#!/usr/bin/env compileAndGo
# -*- coding: utf-8 mode: java -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
compiler=javac
mainClass=upassword
compileAndGo

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.regex.Pattern;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;

public class upassword {
    public static final String UTF_8 = "UTF-8";

    public static final int MIN_LEN = 8;

    public static final int MIN_UPPER = 0;

    public static final int MIN_LOWER = 0;

    public static final int MIN_ALPHA = 2;

    public static final int MIN_NUMBER = 0;

    public static final int MIN_SYMBOL = 0;

    public static final int MIN_SPECIAL = 2;

    public static final boolean ALLOW_MULTIBYTES = false;

    public static final String getSummary(Exception e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        pw.flush();
        return sw.toString();
    }

    public static final void println(String text) {
        System.out.println(text);
        System.out.flush();
    }

    public static final StringBuilder toHex(StringBuilder sb, byte b) {
        if (sb == null) return null;
        int l = b & 0x0F, u = (b & 0xF0) >> 4;
        u += u < 10? '0': 'A' - 10;
        l += l < 10? '0': 'A' - 10;
        return sb.append((char)u).append((char)l);
    }

    public static final String toHex(byte[] ba) {
        if (ba == null) return null;
        StringBuilder sb = new StringBuilder(2 * ba.length);
        for (int i = 0; i < ba.length; i++) {
            toHex(sb, ba[i]);
        }
        return sb.toString();
    }

    public static final boolean isHex(String str) {
        int l = str.length();
        if (l % 2 != 0) return false;
        for (int i = 0; i < l; i++) {
            char c = str.charAt(i);
            if (!(c >= '0' && c <= '9' || c >= 'A' && c <= 'F' || c >= 'a' && c <= 'f')) {
                return false;
            }
        }
        return true;
    }

    public static final byte[] fromHex(String str) {
        if (str == null) return null;
        int l = str.length();
        byte[] ba = new byte[l / 2];
        int j = 0;
        for (int i = 0; i < l; i += 2) {
            byte b = (byte)Short.parseShort(str.substring(i, i + 2), 16);
            ba[j++] = b;
        }
        return ba;
    }

    public static final boolean strIsempty(String str) {
        return str == null || str.length() == 0;
    }

    public static final boolean strEquals(String s1, String s2) {
        return s1 == s2 || (s1 != null && s1.equals(s2));
    }

    public static final String strNotnull(String str) {
        return str == null? "": str;
    }

    public static final String strSubstr(String str, int start, int end) {
        if (str == null) return null;

        int l = str.length();
        if (l > 0) {
            while (start < 0)
                start += l;
            while (end < 0)
                end += l;
        } else {
            if (start < 0) start = 0;
            if (end < 0) end = 0;
        }
        if (start >= l || start >= end) return "";
        if (end >= l + 1) end = l;

        return str.substring(start, end);
    }

    public static final String strSubstr(String str, int start) {
        if (str == null) return null;
        return strSubstr(str, start, str.length());
    }

    // ------------------------------------------------------------------------
    public static class Base64 {
        public final static int NO_OPTIONS = 0;

        public final static int ENCODE = 1;

        public final static int DECODE = 0;

        public final static int GZIP = 2;

        public final static int DONT_BREAK_LINES = 8;

        private final static int MAX_LINE_LENGTH = 76;

        private final static byte EQUALS_SIGN = (byte)'=';

        private final static byte NEW_LINE = (byte)'\n';

        private final static String PREFERRED_ENCODING = "UTF-8";

        private final static byte[] ALPHABET;

        private final static byte[] _NATIVE_ALPHABET = {
                (byte)'A',
                (byte)'B',
                (byte)'C',
                (byte)'D',
                (byte)'E',
                (byte)'F',
                (byte)'G',
                (byte)'H',
                (byte)'I',
                (byte)'J',
                (byte)'K',
                (byte)'L',
                (byte)'M',
                (byte)'N',
                (byte)'O',
                (byte)'P',
                (byte)'Q',
                (byte)'R',
                (byte)'S',
                (byte)'T',
                (byte)'U',
                (byte)'V',
                (byte)'W',
                (byte)'X',
                (byte)'Y',
                (byte)'Z',
                (byte)'a',
                (byte)'b',
                (byte)'c',
                (byte)'d',
                (byte)'e',
                (byte)'f',
                (byte)'g',
                (byte)'h',
                (byte)'i',
                (byte)'j',
                (byte)'k',
                (byte)'l',
                (byte)'m',
                (byte)'n',
                (byte)'o',
                (byte)'p',
                (byte)'q',
                (byte)'r',
                (byte)'s',
                (byte)'t',
                (byte)'u',
                (byte)'v',
                (byte)'w',
                (byte)'x',
                (byte)'y',
                (byte)'z',
                (byte)'0',
                (byte)'1',
                (byte)'2',
                (byte)'3',
                (byte)'4',
                (byte)'5',
                (byte)'6',
                (byte)'7',
                (byte)'8',
                (byte)'9',
                (byte)'+',
                (byte)'/'};
        static {
            byte[] __bytes;
            try {
                __bytes = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
                        .getBytes(PREFERRED_ENCODING);
            } catch (java.io.UnsupportedEncodingException use) {
                __bytes = _NATIVE_ALPHABET;
            }
            ALPHABET = __bytes;
        }

        private final static byte[] DECODABET = {
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -5,
                -5,
                -9,
                -9,
                -5,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -5,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                62,
                -9,
                -9,
                -9,
                63,
                52,
                53,
                54,
                55,
                56,
                57,
                58,
                59,
                60,
                61,
                -9,
                -9,
                -9,
                -1,
                -9,
                -9,
                -9,
                0,
                1,
                2,
                3,
                4,
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                12,
                13,
                14,
                15,
                16,
                17,
                18,
                19,
                20,
                21,
                22,
                23,
                24,
                25,
                -9,
                -9,
                -9,
                -9,
                -9,
                -9,
                26,
                27,
                28,
                29,
                30,
                31,
                32,
                33,
                34,
                35,
                36,
                37,
                38,
                39,
                40,
                41,
                42,
                43,
                44,
                45,
                46,
                47,
                48,
                49,
                50,
                51,
                -9,
                -9,
                -9,
                -9};

        private final static byte WHITE_SPACE_ENC = -5;

        private final static byte EQUALS_SIGN_ENC = -1;

        private Base64() {
        }

        private static byte[] encode3to4(byte[] b4, byte[] threeBytes, int numSigBytes) {
            encode3to4(threeBytes, 0, numSigBytes, b4, 0);
            return b4;
        }

        private static byte[] encode3to4(byte[] source, int srcOffset, int numSigBytes,
                byte[] destination, int destOffset) {
            int inBuff = (numSigBytes > 0? ((source[srcOffset] << 24) >>> 8): 0)
                    | (numSigBytes > 1? ((source[srcOffset + 1] << 24) >>> 16): 0)
                    | (numSigBytes > 2? ((source[srcOffset + 2] << 24) >>> 24): 0);
            switch (numSigBytes) {
            case 3:
                destination[destOffset] = ALPHABET[(inBuff >>> 18)];
                destination[destOffset + 1] = ALPHABET[(inBuff >>> 12) & 0x3f];
                destination[destOffset + 2] = ALPHABET[(inBuff >>> 6) & 0x3f];
                destination[destOffset + 3] = ALPHABET[(inBuff) & 0x3f];
                return destination;
            case 2:
                destination[destOffset] = ALPHABET[(inBuff >>> 18)];
                destination[destOffset + 1] = ALPHABET[(inBuff >>> 12) & 0x3f];
                destination[destOffset + 2] = ALPHABET[(inBuff >>> 6) & 0x3f];
                destination[destOffset + 3] = EQUALS_SIGN;
                return destination;
            case 1:
                destination[destOffset] = ALPHABET[(inBuff >>> 18)];
                destination[destOffset + 1] = ALPHABET[(inBuff >>> 12) & 0x3f];
                destination[destOffset + 2] = EQUALS_SIGN;
                destination[destOffset + 3] = EQUALS_SIGN;
                return destination;
            default:
                return destination;
            }
        }

        public static String encodeObject(java.io.Serializable serializableObject) {
            return encodeObject(serializableObject, NO_OPTIONS);
        }

        public static String encodeObject(java.io.Serializable serializableObject, int options) {
            java.io.ByteArrayOutputStream baos = null;
            java.io.OutputStream b64os = null;
            java.io.ObjectOutputStream oos = null;
            java.util.zip.GZIPOutputStream gzos = null;
            int gzip = (options & GZIP);
            int dontBreakLines = (options & DONT_BREAK_LINES);
            try {
                baos = new java.io.ByteArrayOutputStream();
                b64os = new Base64.OutputStream(baos, ENCODE | dontBreakLines);
                if (gzip == GZIP) {
                    gzos = new java.util.zip.GZIPOutputStream(b64os);
                    oos = new java.io.ObjectOutputStream(gzos);
                } else oos = new java.io.ObjectOutputStream(b64os);
                oos.writeObject(serializableObject);
            } catch (java.io.IOException e) {
                e.printStackTrace();
                return null;
            } finally {
                try {
                    oos.close();
                } catch (Exception e) {
                }
                try {
                    gzos.close();
                } catch (Exception e) {
                }
                try {
                    b64os.close();
                } catch (Exception e) {
                }
                try {
                    baos.close();
                } catch (Exception e) {
                }
            }
            try {
                return new String(baos.toByteArray(), PREFERRED_ENCODING);
            } catch (java.io.UnsupportedEncodingException uue) {
                return new String(baos.toByteArray());
            }
        }

        public static String encodeBytes(byte[] source) {
            return encodeBytes(source, 0, source.length, NO_OPTIONS);
        }

        public static String encodeBytes(byte[] source, int options) {
            return encodeBytes(source, 0, source.length, options);
        }

        public static String encodeBytes(byte[] source, int off, int len) {
            return encodeBytes(source, off, len, NO_OPTIONS);
        }

        public static String encodeBytes(byte[] source, int off, int len, int options) {
            int dontBreakLines = (options & DONT_BREAK_LINES);
            int gzip = (options & GZIP);
            if (gzip == GZIP) {
                java.io.ByteArrayOutputStream baos = null;
                java.util.zip.GZIPOutputStream gzos = null;
                Base64.OutputStream b64os = null;
                try {
                    baos = new java.io.ByteArrayOutputStream();
                    b64os = new Base64.OutputStream(baos, ENCODE | dontBreakLines);
                    gzos = new java.util.zip.GZIPOutputStream(b64os);
                    gzos.write(source, off, len);
                    gzos.close();
                } catch (java.io.IOException e) {
                    e.printStackTrace();
                    return null;
                } finally {
                    try {
                        gzos.close();
                    } catch (Exception e) {
                    }
                    try {
                        b64os.close();
                    } catch (Exception e) {
                    }
                    try {
                        baos.close();
                    } catch (Exception e) {
                    }
                }
                try {
                    return new String(baos.toByteArray(), PREFERRED_ENCODING);
                } catch (java.io.UnsupportedEncodingException uue) {
                    return new String(baos.toByteArray());
                }
            } else {
                boolean breakLines = dontBreakLines == 0;
                int len43 = len * 4 / 3;
                byte[] outBuff = new byte[(len43) + ((len % 3) > 0? 4: 0)
                        + (breakLines? (len43 / MAX_LINE_LENGTH): 0)];
                int d = 0;
                int e = 0;
                int len2 = len - 2;
                int lineLength = 0;
                for (; d < len2; d += 3, e += 4) {
                    encode3to4(source, d + off, 3, outBuff, e);
                    lineLength += 4;
                    if (breakLines && lineLength == MAX_LINE_LENGTH) {
                        outBuff[e + 4] = NEW_LINE;
                        e++;
                        lineLength = 0;
                    }
                }
                if (d < len) {
                    encode3to4(source, d + off, len - d, outBuff, e);
                    e += 4;
                }
                try {
                    return new String(outBuff, 0, e, PREFERRED_ENCODING);
                } catch (java.io.UnsupportedEncodingException uue) {
                    return new String(outBuff, 0, e);
                }
            }
        }

        private static int decode4to3(byte[] source, int srcOffset, byte[] destination,
                int destOffset) {
            if (source[srcOffset + 2] == EQUALS_SIGN) {
                int outBuff = ((DECODABET[source[srcOffset]] & 0xFF) << 18)
                        | ((DECODABET[source[srcOffset + 1]] & 0xFF) << 12);
                destination[destOffset] = (byte)(outBuff >>> 16);
                return 1;
            } else if (source[srcOffset + 3] == EQUALS_SIGN) {
                int outBuff = ((DECODABET[source[srcOffset]] & 0xFF) << 18)
                        | ((DECODABET[source[srcOffset + 1]] & 0xFF) << 12)
                        | ((DECODABET[source[srcOffset + 2]] & 0xFF) << 6);
                destination[destOffset] = (byte)(outBuff >>> 16);
                destination[destOffset + 1] = (byte)(outBuff >>> 8);
                return 2;
            } else {
                try {
                    int outBuff = ((DECODABET[source[srcOffset]] & 0xFF) << 18)
                            | ((DECODABET[source[srcOffset + 1]] & 0xFF) << 12)
                            | ((DECODABET[source[srcOffset + 2]] & 0xFF) << 6)
                            | ((DECODABET[source[srcOffset + 3]] & 0xFF));
                    destination[destOffset] = (byte)(outBuff >> 16);
                    destination[destOffset + 1] = (byte)(outBuff >> 8);
                    destination[destOffset + 2] = (byte)(outBuff);
                    return 3;
                } catch (Exception e) {
                    System.out.println("" + source[srcOffset] + ": "
                            + (DECODABET[source[srcOffset]]));
                    System.out.println("" + source[srcOffset + 1] + ": "
                            + (DECODABET[source[srcOffset + 1]]));
                    System.out.println("" + source[srcOffset + 2] + ": "
                            + (DECODABET[source[srcOffset + 2]]));
                    System.out.println("" + source[srcOffset + 3] + ": "
                            + (DECODABET[source[srcOffset + 3]]));
                    return -1;
                }
            }
        }

        public static byte[] decode(byte[] source, int off, int len) {
            int len34 = len * 3 / 4;
            byte[] outBuff = new byte[len34];
            int outBuffPosn = 0;
            byte[] b4 = new byte[4];
            int b4Posn = 0;
            int i = 0;
            byte sbiCrop = 0;
            byte sbiDecode = 0;
            for (i = off; i < off + len; i++) {
                sbiCrop = (byte)(source[i] & 0x7f);
                sbiDecode = DECODABET[sbiCrop];
                if (sbiDecode >= WHITE_SPACE_ENC) {
                    if (sbiDecode >= EQUALS_SIGN_ENC) {
                        b4[b4Posn++] = sbiCrop;
                        if (b4Posn > 3) {
                            outBuffPosn += decode4to3(b4, 0, outBuff, outBuffPosn);
                            b4Posn = 0;
                            if (sbiCrop == EQUALS_SIGN) break;
                        }
                    }
                } else {
                    throw new IllegalArgumentException("Bad Base64 input character at " + i + ": "
                            + source[i] + "(decimal)");
                }
            }
            byte[] out = new byte[outBuffPosn];
            System.arraycopy(outBuff, 0, out, 0, outBuffPosn);
            return out;
        }

        public static byte[] decode(String s) {
            byte[] bytes;
            try {
                bytes = s.getBytes(PREFERRED_ENCODING);
            } catch (java.io.UnsupportedEncodingException uee) {
                bytes = s.getBytes();
            }
            bytes = decode(bytes, 0, bytes.length);
            if (bytes != null && bytes.length >= 4) {
                int head = ((int)bytes[0] & 0xff) | ((bytes[1] << 8) & 0xff00);
                if (java.util.zip.GZIPInputStream.GZIP_MAGIC == head) {
                    java.io.ByteArrayInputStream bais = null;
                    java.util.zip.GZIPInputStream gzis = null;
                    java.io.ByteArrayOutputStream baos = null;
                    byte[] buffer = new byte[2048];
                    int length = 0;
                    try {
                        baos = new java.io.ByteArrayOutputStream();
                        bais = new java.io.ByteArrayInputStream(bytes);
                        gzis = new java.util.zip.GZIPInputStream(bais);
                        while ((length = gzis.read(buffer)) >= 0) {
                            baos.write(buffer, 0, length);
                        }
                        bytes = baos.toByteArray();
                    } catch (java.io.IOException e) {
                    } finally {
                        try {
                            baos.close();
                        } catch (Exception e) {
                        }
                        try {
                            gzis.close();
                        } catch (Exception e) {
                        }
                        try {
                            bais.close();
                        } catch (Exception e) {
                        }
                    }
                }
            }
            return bytes;
        }

        public static Object decodeToObject(String encodedObject) {
            byte[] objBytes = decode(encodedObject);
            java.io.ByteArrayInputStream bais = null;
            java.io.ObjectInputStream ois = null;
            Object obj = null;
            try {
                bais = new java.io.ByteArrayInputStream(objBytes);
                ois = new java.io.ObjectInputStream(bais);
                obj = ois.readObject();
            } catch (java.io.IOException e) {
                e.printStackTrace();
                obj = null;
            } catch (java.lang.ClassNotFoundException e) {
                e.printStackTrace();
                obj = null;
            } finally {
                try {
                    bais.close();
                } catch (Exception e) {
                }
                try {
                    ois.close();
                } catch (Exception e) {
                }
            }
            return obj;
        }

        public static boolean encodeToFile(byte[] dataToEncode, String filename) {
            boolean success = false;
            Base64.OutputStream bos = null;
            try {
                bos = new Base64.OutputStream(new java.io.FileOutputStream(filename), Base64.ENCODE);
                bos.write(dataToEncode);
                success = true;
            } catch (java.io.IOException e) {
                success = false;
            } finally {
                try {
                    bos.close();
                } catch (Exception e) {
                }
            }
            return success;
        }

        public static boolean decodeToFile(String dataToDecode, String filename) {
            boolean success = false;
            Base64.OutputStream bos = null;
            try {
                bos = new Base64.OutputStream(new java.io.FileOutputStream(filename), Base64.DECODE);
                bos.write(dataToDecode.getBytes(PREFERRED_ENCODING));
                success = true;
            } catch (java.io.IOException e) {
                success = false;
            } finally {
                try {
                    bos.close();
                } catch (Exception e) {
                }
            }
            return success;
        }

        public static byte[] decodeFromFile(String filename) {
            byte[] decodedData = null;
            Base64.InputStream bis = null;
            try {
                java.io.File file = new java.io.File(filename);
                byte[] buffer = null;
                int length = 0;
                int numBytes = 0;
                if (file.length() > Integer.MAX_VALUE) {
                    throw new IllegalArgumentException(
                            "File is too big for this convenience method (" + file.length()
                                    + " bytes).");
                }
                buffer = new byte[(int)file.length()];
                bis = new Base64.InputStream(new java.io.BufferedInputStream(
                        new java.io.FileInputStream(file)), Base64.DECODE);
                while ((numBytes = bis.read(buffer, length, 4096)) >= 0)
                    length += numBytes;
                decodedData = new byte[length];
                System.arraycopy(buffer, 0, decodedData, 0, length);
            } catch (java.io.IOException e) {
                throw new IllegalArgumentException("Error decoding from file " + filename);
            } finally {
                try {
                    bis.close();
                } catch (Exception e) {
                }
            }
            return decodedData;
        }

        public static String encodeFromFile(String filename) {
            String encodedData = null;
            Base64.InputStream bis = null;
            try {
                java.io.File file = new java.io.File(filename);
                byte[] buffer = new byte[(int)(file.length() * 1.4)];
                int length = 0;
                int numBytes = 0;
                bis = new Base64.InputStream(new java.io.BufferedInputStream(
                        new java.io.FileInputStream(file)), Base64.ENCODE);
                while ((numBytes = bis.read(buffer, length, 4096)) >= 0)
                    length += numBytes;
                encodedData = new String(buffer, 0, length, Base64.PREFERRED_ENCODING);
            } catch (java.io.IOException e) {
                System.err.println("Error encoding from file " + filename);
            } finally {
                try {
                    bis.close();
                } catch (Exception e) {
                }
            }
            return encodedData;
        }

        public static class InputStream extends java.io.FilterInputStream {
            private boolean encode;

            private int position;

            private byte[] buffer;

            private int bufferLength;

            private int numSigBytes;

            private int lineLength;

            private boolean breakLines;

            public InputStream(java.io.InputStream in) {
                this(in, DECODE);
            }

            public InputStream(java.io.InputStream in, int options) {
                super(in);
                this.breakLines = (options & DONT_BREAK_LINES) != DONT_BREAK_LINES;
                this.encode = (options & ENCODE) == ENCODE;
                this.bufferLength = encode? 4: 3;
                this.buffer = new byte[bufferLength];
                this.position = -1;
                this.lineLength = 0;
            }

            public int read() throws java.io.IOException {
                if (position < 0) {
                    if (encode) {
                        byte[] b3 = new byte[3];
                        int numBinaryBytes = 0;
                        for (int i = 0; i < 3; i++) {
                            try {
                                int b = in.read();
                                if (b >= 0) {
                                    b3[i] = (byte)b;
                                    numBinaryBytes++;
                                }
                            } catch (java.io.IOException e) {
                                if (i == 0) throw e;
                            }
                        }
                        if (numBinaryBytes > 0) {
                            encode3to4(b3, 0, numBinaryBytes, buffer, 0);
                            position = 0;
                            numSigBytes = 4;
                        } else {
                            return -1;
                        }
                    } else {
                        byte[] b4 = new byte[4];
                        int i = 0;
                        for (i = 0; i < 4; i++) {
                            int b = 0;
                            do {
                                b = in.read();
                            } while (b >= 0 && DECODABET[b & 0x7f] <= WHITE_SPACE_ENC);
                            if (b < 0) break;
                            b4[i] = (byte)b;
                        }
                        if (i == 4) {
                            numSigBytes = decode4to3(b4, 0, buffer, 0);
                            position = 0;
                        } else if (i == 0) {
                            return -1;
                        } else {
                            throw new java.io.IOException("Improperly padded Base64 input.");
                        }
                    }
                }
                if (position >= 0) {
                    if ( /* !encode && */position >= numSigBytes) return -1;
                    if (encode && breakLines && lineLength >= MAX_LINE_LENGTH) {
                        lineLength = 0;
                        return '\n';
                    } else {
                        lineLength++;
                        int b = buffer[position++];
                        if (position >= bufferLength) position = -1;
                        return b & 0xFF;
                    }
                } else {
                    throw new java.io.IOException("Error in Base64 code reading stream.");
                }
            }

            public int read(byte[] dest, int off, int len) throws java.io.IOException {
                int i;
                int b;
                for (i = 0; i < len; i++) {
                    b = read();
                    if (b >= 0) dest[off + i] = (byte)b;
                    else if (i == 0) return -1;
                    else break;
                }
                return i;
            }
        }

        public static class OutputStream extends java.io.FilterOutputStream {
            private boolean encode;

            private int position;

            private byte[] buffer;

            private int bufferLength;

            private int lineLength;

            private boolean breakLines;

            private byte[] b4;

            private boolean suspendEncoding;

            public OutputStream(java.io.OutputStream out) {
                this(out, ENCODE);
            }

            public OutputStream(java.io.OutputStream out, int options) {
                super(out);
                this.breakLines = (options & DONT_BREAK_LINES) != DONT_BREAK_LINES;
                this.encode = (options & ENCODE) == ENCODE;
                this.bufferLength = encode? 3: 4;
                this.buffer = new byte[bufferLength];
                this.position = 0;
                this.lineLength = 0;
                this.suspendEncoding = false;
                this.b4 = new byte[4];
            }

            public void write(int theByte) throws java.io.IOException {
                if (suspendEncoding) {
                    super.out.write(theByte);
                    return;
                }
                if (encode) {
                    buffer[position++] = (byte)theByte;
                    if (position >= bufferLength) {
                        out.write(encode3to4(b4, buffer, bufferLength));
                        lineLength += 4;
                        if (breakLines && lineLength >= MAX_LINE_LENGTH) {
                            out.write(NEW_LINE);
                            lineLength = 0;
                        }
                        position = 0;
                    }
                } else {
                    if (DECODABET[theByte & 0x7f] > WHITE_SPACE_ENC) {
                        buffer[position++] = (byte)theByte;
                        if (position >= bufferLength) {
                            int len = Base64.decode4to3(buffer, 0, b4, 0);
                            out.write(b4, 0, len);
                            position = 0;
                        }
                    } else if (DECODABET[theByte & 0x7f] != WHITE_SPACE_ENC) {
                        throw new java.io.IOException("Invalid character in Base64 data.");
                    }
                }
            }

            public void write(byte[] theBytes, int off, int len) throws java.io.IOException {
                if (suspendEncoding) {
                    super.out.write(theBytes, off, len);
                    return;
                }
                for (int i = 0; i < len; i++) {
                    write(theBytes[off + i]);
                }
            }

            public void flushBase64() throws java.io.IOException {
                if (position > 0) {
                    if (encode) {
                        out.write(encode3to4(b4, buffer, position));
                        position = 0;
                    } else {
                        throw new java.io.IOException("Base64 input not properly padded.");
                    }
                }
            }

            public void close() throws java.io.IOException {
                flushBase64();
                super.close();
                buffer = null;
                out = null;
            }

            public void suspendEncoding() throws java.io.IOException {
                flushBase64();
                this.suspendEncoding = true;
            }

            public void resumeEncoding() {
                this.suspendEncoding = false;
            }
        }
    }

    // ------------------------------------------------------------------------
    public static class DES {
        private int[] encryptKeys = new int[32];

        private int[] decryptKeys = new int[32];

        private int[] tempInts = new int[2];

        public DES() {
        }

        public DES(byte[] key) {
            if (key.length == 7) {
                byte[] key8 = new byte[8];
                makeSMBKey(key, key8);
                setKey(key8);
            } else {
                setKey(key);
            }
        }

        public static void makeSMBKey(byte[] key7, byte[] key8) {
            int i;
            key8[0] = (byte)((key7[0] >> 1) & 0xff);
            key8[1] = (byte)((((key7[0] & 0x01) << 6) | (((key7[1] & 0xff) >> 2) & 0xff)) & 0xff);
            key8[2] = (byte)((((key7[1] & 0x03) << 5) | (((key7[2] & 0xff) >> 3) & 0xff)) & 0xff);
            key8[3] = (byte)((((key7[2] & 0x07) << 4) | (((key7[3] & 0xff) >> 4) & 0xff)) & 0xff);
            key8[4] = (byte)((((key7[3] & 0x0F) << 3) | (((key7[4] & 0xff) >> 5) & 0xff)) & 0xff);
            key8[5] = (byte)((((key7[4] & 0x1F) << 2) | (((key7[5] & 0xff) >> 6) & 0xff)) & 0xff);
            key8[6] = (byte)((((key7[5] & 0x3F) << 1) | (((key7[6] & 0xff) >> 7) & 0xff)) & 0xff);
            key8[7] = (byte)(key7[6] & 0x7F);
            for (i = 0; i < 8; i++) {
                key8[i] = (byte)(key8[i] << 1);
            }
        }

        public void setKey(byte[] key) {
            deskey(key, true, encryptKeys);
            deskey(key, false, decryptKeys);
        }

        private void deskey(byte[] keyBlock, boolean encrypting, int[] KnL) {
            int i, j, l, m, n;
            int[] pc1m = new int[56];
            int[] pcr = new int[56];
            int[] kn = new int[32];
            for (j = 0; j < 56; ++j) {
                l = pc1[j];
                m = l & 07;
                pc1m[j] = ((keyBlock[l >>> 3] & bytebit[m]) != 0)? 1: 0;
            }
            for (i = 0; i < 16; ++i) {
                if (encrypting) m = i << 1;
                else m = (15 - i) << 1;
                n = m + 1;
                kn[m] = kn[n] = 0;
                for (j = 0; j < 28; ++j) {
                    l = j + totrot[i];
                    if (l < 28) pcr[j] = pc1m[l];
                    else pcr[j] = pc1m[l - 28];
                }
                for (j = 28; j < 56; ++j) {
                    l = j + totrot[i];
                    if (l < 56) pcr[j] = pc1m[l];
                    else pcr[j] = pc1m[l - 28];
                }
                for (j = 0; j < 24; ++j) {
                    if (pcr[pc2[j]] != 0) kn[m] |= bigbyte[j];
                    if (pcr[pc2[j + 24]] != 0) kn[n] |= bigbyte[j];
                }
            }
            cookey(kn, KnL);
        }

        private void cookey(int[] raw, int KnL[]) {
            int raw0, raw1;
            int rawi, KnLi;
            int i;
            for (i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {
                raw0 = raw[rawi++];
                raw1 = raw[rawi++];
                KnL[KnLi] = (raw0 & 0x00fc0000) << 6;
                KnL[KnLi] |= (raw0 & 0x00000fc0) << 10;
                KnL[KnLi] |= (raw1 & 0x00fc0000) >>> 10;
                KnL[KnLi] |= (raw1 & 0x00000fc0) >>> 6;
                ++KnLi;
                KnL[KnLi] = (raw0 & 0x0003f000) << 12;
                KnL[KnLi] |= (raw0 & 0x0000003f) << 16;
                KnL[KnLi] |= (raw1 & 0x0003f000) >>> 4;
                KnL[KnLi] |= (raw1 & 0x0000003f);
                ++KnLi;
            }
        }

        private void encrypt(byte[] clearText, int clearOff, byte[] cipherText, int cipherOff) {
            squashBytesToInts(clearText, clearOff, tempInts, 0, 2);
            des(tempInts, tempInts, encryptKeys);
            spreadIntsToBytes(tempInts, 0, cipherText, cipherOff, 2);
        }

        private void decrypt(byte[] cipherText, int cipherOff, byte[] clearText, int clearOff) {
            squashBytesToInts(cipherText, cipherOff, tempInts, 0, 2);
            des(tempInts, tempInts, decryptKeys);
            spreadIntsToBytes(tempInts, 0, clearText, clearOff, 2);
        }

        private void des(int[] inInts, int[] outInts, int[] keys) {
            int fval, work, right, leftt;
            int round;
            int keysi = 0;
            leftt = inInts[0];
            right = inInts[1];
            work = ((leftt >>> 4) ^ right) & 0x0f0f0f0f;
            right ^= work;
            leftt ^= (work << 4);
            work = ((leftt >>> 16) ^ right) & 0x0000ffff;
            right ^= work;
            leftt ^= (work << 16);
            work = ((right >>> 2) ^ leftt) & 0x33333333;
            leftt ^= work;
            right ^= (work << 2);
            work = ((right >>> 8) ^ leftt) & 0x00ff00ff;
            leftt ^= work;
            right ^= (work << 8);
            right = (right << 1) | ((right >>> 31) & 1);
            work = (leftt ^ right) & 0xaaaaaaaa;
            leftt ^= work;
            right ^= work;
            leftt = (leftt << 1) | ((leftt >>> 31) & 1);
            for (round = 0; round < 8; ++round) {
                work = (right << 28) | (right >>> 4);
                work ^= keys[keysi++];
                fval = SP7[work & 0x0000003f];
                fval |= SP5[(work >>> 8) & 0x0000003f];
                fval |= SP3[(work >>> 16) & 0x0000003f];
                fval |= SP1[(work >>> 24) & 0x0000003f];
                work = right ^ keys[keysi++];
                fval |= SP8[work & 0x0000003f];
                fval |= SP6[(work >>> 8) & 0x0000003f];
                fval |= SP4[(work >>> 16) & 0x0000003f];
                fval |= SP2[(work >>> 24) & 0x0000003f];
                leftt ^= fval;
                work = (leftt << 28) | (leftt >>> 4);
                work ^= keys[keysi++];
                fval = SP7[work & 0x0000003f];
                fval |= SP5[(work >>> 8) & 0x0000003f];
                fval |= SP3[(work >>> 16) & 0x0000003f];
                fval |= SP1[(work >>> 24) & 0x0000003f];
                work = leftt ^ keys[keysi++];
                fval |= SP8[work & 0x0000003f];
                fval |= SP6[(work >>> 8) & 0x0000003f];
                fval |= SP4[(work >>> 16) & 0x0000003f];
                fval |= SP2[(work >>> 24) & 0x0000003f];
                right ^= fval;
            }
            right = (right << 31) | (right >>> 1);
            work = (leftt ^ right) & 0xaaaaaaaa;
            leftt ^= work;
            right ^= work;
            leftt = (leftt << 31) | (leftt >>> 1);
            work = ((leftt >>> 8) ^ right) & 0x00ff00ff;
            right ^= work;
            leftt ^= (work << 8);
            work = ((leftt >>> 2) ^ right) & 0x33333333;
            right ^= work;
            leftt ^= (work << 2);
            work = ((right >>> 16) ^ leftt) & 0x0000ffff;
            leftt ^= work;
            right ^= (work << 16);
            work = ((right >>> 4) ^ leftt) & 0x0f0f0f0f;
            leftt ^= work;
            right ^= (work << 4);
            outInts[0] = right;
            outInts[1] = leftt;
        }

        public void encrypt(byte[] clearText, byte[] cipherText) {
            encrypt(clearText, 0, cipherText, 0);
        }

        public void decrypt(byte[] cipherText, byte[] clearText) {
            decrypt(cipherText, 0, clearText, 0);
        }

        public byte[] encrypt(byte[] clearText) {
            int length = clearText.length;
            if (length % 8 != 0) {
                System.out.println("Array must be a multiple of 8");
                return null;
            }
            byte[] cipherText = new byte[length];
            int count = length / 8;
            for (int i = 0; i < count; i++)
                encrypt(clearText, i * 8, cipherText, i * 8);
            return cipherText;
        }

        public byte[] decrypt(byte[] cipherText) {
            int length = cipherText.length;
            if (length % 8 != 0) {
                System.out.println("Array must be a multiple of 8");
                return null;
            }
            byte[] clearText = new byte[length];
            int count = length / 8;
            for (int i = 0; i < count; i++)
                encrypt(cipherText, i * 8, clearText, i * 8);
            return clearText;
        }

        private static byte[] bytebit = {
                (byte)0x80,
                (byte)0x40,
                (byte)0x20,
                (byte)0x10,
                (byte)0x08,
                (byte)0x04,
                (byte)0x02,
                (byte)0x01};

        private static int[] bigbyte = {
                0x800000,
                0x400000,
                0x200000,
                0x100000,
                0x080000,
                0x040000,
                0x020000,
                0x010000,
                0x008000,
                0x004000,
                0x002000,
                0x001000,
                0x000800,
                0x000400,
                0x000200,
                0x000100,
                0x000080,
                0x000040,
                0x000020,
                0x000010,
                0x000008,
                0x000004,
                0x000002,
                0x000001};

        private static byte[] pc1 = {
                (byte)56,
                (byte)48,
                (byte)40,
                (byte)32,
                (byte)24,
                (byte)16,
                (byte)8,
                (byte)0,
                (byte)57,
                (byte)49,
                (byte)41,
                (byte)33,
                (byte)25,
                (byte)17,
                (byte)9,
                (byte)1,
                (byte)58,
                (byte)50,
                (byte)42,
                (byte)34,
                (byte)26,
                (byte)18,
                (byte)10,
                (byte)2,
                (byte)59,
                (byte)51,
                (byte)43,
                (byte)35,
                (byte)62,
                (byte)54,
                (byte)46,
                (byte)38,
                (byte)30,
                (byte)22,
                (byte)14,
                (byte)6,
                (byte)61,
                (byte)53,
                (byte)45,
                (byte)37,
                (byte)29,
                (byte)21,
                (byte)13,
                (byte)5,
                (byte)60,
                (byte)52,
                (byte)44,
                (byte)36,
                (byte)28,
                (byte)20,
                (byte)12,
                (byte)4,
                (byte)27,
                (byte)19,
                (byte)11,
                (byte)3};

        private static int[] totrot = {1, 2, 4, 6, 8, 10, 12, 14, 15, 17, 19, 21, 23, 25, 27, 28};

        private static byte[] pc2 = {
                (byte)13,
                (byte)16,
                (byte)10,
                (byte)23,
                (byte)0,
                (byte)4,
                (byte)2,
                (byte)27,
                (byte)14,
                (byte)5,
                (byte)20,
                (byte)9,
                (byte)22,
                (byte)18,
                (byte)11,
                (byte)3,
                (byte)25,
                (byte)7,
                (byte)15,
                (byte)6,
                (byte)26,
                (byte)19,
                (byte)12,
                (byte)1,
                (byte)40,
                (byte)51,
                (byte)30,
                (byte)36,
                (byte)46,
                (byte)54,
                (byte)29,
                (byte)39,
                (byte)50,
                (byte)44,
                (byte)32,
                (byte)47,
                (byte)43,
                (byte)48,
                (byte)38,
                (byte)55,
                (byte)33,
                (byte)52,
                (byte)45,
                (byte)41,
                (byte)49,
                (byte)35,
                (byte)28,
                (byte)31,};

        private static int[] SP1 = {
                0x01010400,
                0x00000000,
                0x00010000,
                0x01010404,
                0x01010004,
                0x00010404,
                0x00000004,
                0x00010000,
                0x00000400,
                0x01010400,
                0x01010404,
                0x00000400,
                0x01000404,
                0x01010004,
                0x01000000,
                0x00000004,
                0x00000404,
                0x01000400,
                0x01000400,
                0x00010400,
                0x00010400,
                0x01010000,
                0x01010000,
                0x01000404,
                0x00010004,
                0x01000004,
                0x01000004,
                0x00010004,
                0x00000000,
                0x00000404,
                0x00010404,
                0x01000000,
                0x00010000,
                0x01010404,
                0x00000004,
                0x01010000,
                0x01010400,
                0x01000000,
                0x01000000,
                0x00000400,
                0x01010004,
                0x00010000,
                0x00010400,
                0x01000004,
                0x00000400,
                0x00000004,
                0x01000404,
                0x00010404,
                0x01010404,
                0x00010004,
                0x01010000,
                0x01000404,
                0x01000004,
                0x00000404,
                0x00010404,
                0x01010400,
                0x00000404,
                0x01000400,
                0x01000400,
                0x00000000,
                0x00010004,
                0x00010400,
                0x00000000,
                0x01010004};

        private static int[] SP2 = {
                0x80108020,
                0x80008000,
                0x00008000,
                0x00108020,
                0x00100000,
                0x00000020,
                0x80100020,
                0x80008020,
                0x80000020,
                0x80108020,
                0x80108000,
                0x80000000,
                0x80008000,
                0x00100000,
                0x00000020,
                0x80100020,
                0x00108000,
                0x00100020,
                0x80008020,
                0x00000000,
                0x80000000,
                0x00008000,
                0x00108020,
                0x80100000,
                0x00100020,
                0x80000020,
                0x00000000,
                0x00108000,
                0x00008020,
                0x80108000,
                0x80100000,
                0x00008020,
                0x00000000,
                0x00108020,
                0x80100020,
                0x00100000,
                0x80008020,
                0x80100000,
                0x80108000,
                0x00008000,
                0x80100000,
                0x80008000,
                0x00000020,
                0x80108020,
                0x00108020,
                0x00000020,
                0x00008000,
                0x80000000,
                0x00008020,
                0x80108000,
                0x00100000,
                0x80000020,
                0x00100020,
                0x80008020,
                0x80000020,
                0x00100020,
                0x00108000,
                0x00000000,
                0x80008000,
                0x00008020,
                0x80000000,
                0x80100020,
                0x80108020,
                0x00108000};

        private static int[] SP3 = {
                0x00000208,
                0x08020200,
                0x00000000,
                0x08020008,
                0x08000200,
                0x00000000,
                0x00020208,
                0x08000200,
                0x00020008,
                0x08000008,
                0x08000008,
                0x00020000,
                0x08020208,
                0x00020008,
                0x08020000,
                0x00000208,
                0x08000000,
                0x00000008,
                0x08020200,
                0x00000200,
                0x00020200,
                0x08020000,
                0x08020008,
                0x00020208,
                0x08000208,
                0x00020200,
                0x00020000,
                0x08000208,
                0x00000008,
                0x08020208,
                0x00000200,
                0x08000000,
                0x08020200,
                0x08000000,
                0x00020008,
                0x00000208,
                0x00020000,
                0x08020200,
                0x08000200,
                0x00000000,
                0x00000200,
                0x00020008,
                0x08020208,
                0x08000200,
                0x08000008,
                0x00000200,
                0x00000000,
                0x08020008,
                0x08000208,
                0x00020000,
                0x08000000,
                0x08020208,
                0x00000008,
                0x00020208,
                0x00020200,
                0x08000008,
                0x08020000,
                0x08000208,
                0x00000208,
                0x08020000,
                0x00020208,
                0x00000008,
                0x08020008,
                0x00020200};

        private static int[] SP4 = {
                0x00802001,
                0x00002081,
                0x00002081,
                0x00000080,
                0x00802080,
                0x00800081,
                0x00800001,
                0x00002001,
                0x00000000,
                0x00802000,
                0x00802000,
                0x00802081,
                0x00000081,
                0x00000000,
                0x00800080,
                0x00800001,
                0x00000001,
                0x00002000,
                0x00800000,
                0x00802001,
                0x00000080,
                0x00800000,
                0x00002001,
                0x00002080,
                0x00800081,
                0x00000001,
                0x00002080,
                0x00800080,
                0x00002000,
                0x00802080,
                0x00802081,
                0x00000081,
                0x00800080,
                0x00800001,
                0x00802000,
                0x00802081,
                0x00000081,
                0x00000000,
                0x00000000,
                0x00802000,
                0x00002080,
                0x00800080,
                0x00800081,
                0x00000001,
                0x00802001,
                0x00002081,
                0x00002081,
                0x00000080,
                0x00802081,
                0x00000081,
                0x00000001,
                0x00002000,
                0x00800001,
                0x00002001,
                0x00802080,
                0x00800081,
                0x00002001,
                0x00002080,
                0x00800000,
                0x00802001,
                0x00000080,
                0x00800000,
                0x00002000,
                0x00802080};

        private static int[] SP5 = {
                0x00000100,
                0x02080100,
                0x02080000,
                0x42000100,
                0x00080000,
                0x00000100,
                0x40000000,
                0x02080000,
                0x40080100,
                0x00080000,
                0x02000100,
                0x40080100,
                0x42000100,
                0x42080000,
                0x00080100,
                0x40000000,
                0x02000000,
                0x40080000,
                0x40080000,
                0x00000000,
                0x40000100,
                0x42080100,
                0x42080100,
                0x02000100,
                0x42080000,
                0x40000100,
                0x00000000,
                0x42000000,
                0x02080100,
                0x02000000,
                0x42000000,
                0x00080100,
                0x00080000,
                0x42000100,
                0x00000100,
                0x02000000,
                0x40000000,
                0x02080000,
                0x42000100,
                0x40080100,
                0x02000100,
                0x40000000,
                0x42080000,
                0x02080100,
                0x40080100,
                0x00000100,
                0x02000000,
                0x42080000,
                0x42080100,
                0x00080100,
                0x42000000,
                0x42080100,
                0x02080000,
                0x00000000,
                0x40080000,
                0x42000000,
                0x00080100,
                0x02000100,
                0x40000100,
                0x00080000,
                0x00000000,
                0x40080000,
                0x02080100,
                0x40000100};

        private static int[] SP6 = {
                0x20000010,
                0x20400000,
                0x00004000,
                0x20404010,
                0x20400000,
                0x00000010,
                0x20404010,
                0x00400000,
                0x20004000,
                0x00404010,
                0x00400000,
                0x20000010,
                0x00400010,
                0x20004000,
                0x20000000,
                0x00004010,
                0x00000000,
                0x00400010,
                0x20004010,
                0x00004000,
                0x00404000,
                0x20004010,
                0x00000010,
                0x20400010,
                0x20400010,
                0x00000000,
                0x00404010,
                0x20404000,
                0x00004010,
                0x00404000,
                0x20404000,
                0x20000000,
                0x20004000,
                0x00000010,
                0x20400010,
                0x00404000,
                0x20404010,
                0x00400000,
                0x00004010,
                0x20000010,
                0x00400000,
                0x20004000,
                0x20000000,
                0x00004010,
                0x20000010,
                0x20404010,
                0x00404000,
                0x20400000,
                0x00404010,
                0x20404000,
                0x00000000,
                0x20400010,
                0x00000010,
                0x00004000,
                0x20400000,
                0x00404010,
                0x00004000,
                0x00400010,
                0x20004010,
                0x00000000,
                0x20404000,
                0x20000000,
                0x00400010,
                0x20004010};

        private static int[] SP7 = {
                0x00200000,
                0x04200002,
                0x04000802,
                0x00000000,
                0x00000800,
                0x04000802,
                0x00200802,
                0x04200800,
                0x04200802,
                0x00200000,
                0x00000000,
                0x04000002,
                0x00000002,
                0x04000000,
                0x04200002,
                0x00000802,
                0x04000800,
                0x00200802,
                0x00200002,
                0x04000800,
                0x04000002,
                0x04200000,
                0x04200800,
                0x00200002,
                0x04200000,
                0x00000800,
                0x00000802,
                0x04200802,
                0x00200800,
                0x00000002,
                0x04000000,
                0x00200800,
                0x04000000,
                0x00200800,
                0x00200000,
                0x04000802,
                0x04000802,
                0x04200002,
                0x04200002,
                0x00000002,
                0x00200002,
                0x04000000,
                0x04000800,
                0x00200000,
                0x04200800,
                0x00000802,
                0x00200802,
                0x04200800,
                0x00000802,
                0x04000002,
                0x04200802,
                0x04200000,
                0x00200800,
                0x00000000,
                0x00000002,
                0x04200802,
                0x00000000,
                0x00200802,
                0x04200000,
                0x00000800,
                0x04000002,
                0x04000800,
                0x00000800,
                0x00200002};

        private static int[] SP8 = {
                0x10001040,
                0x00001000,
                0x00040000,
                0x10041040,
                0x10000000,
                0x10001040,
                0x00000040,
                0x10000000,
                0x00040040,
                0x10040000,
                0x10041040,
                0x00041000,
                0x10041000,
                0x00041040,
                0x00001000,
                0x00000040,
                0x10040000,
                0x10000040,
                0x10001000,
                0x00001040,
                0x00041000,
                0x00040040,
                0x10040040,
                0x10041000,
                0x00001040,
                0x00000000,
                0x00000000,
                0x10040040,
                0x10000040,
                0x10001000,
                0x00041040,
                0x00040000,
                0x00041040,
                0x00040000,
                0x10041000,
                0x00001000,
                0x00000040,
                0x10040040,
                0x00001000,
                0x00041040,
                0x10001000,
                0x00000040,
                0x10000040,
                0x10040000,
                0x10040040,
                0x10000000,
                0x00040000,
                0x10001040,
                0x00000000,
                0x10041040,
                0x00040040,
                0x10000040,
                0x10040000,
                0x10001000,
                0x10001040,
                0x00000000,
                0x10041040,
                0x00041000,
                0x00041000,
                0x00001040,
                0x00001040,
                0x00040040,
                0x10000000,
                0x10041000};

        public static void squashBytesToInts(byte[] inBytes, int inOff, int[] outInts, int outOff,
                int intLen) {
            for (int i = 0; i < intLen; ++i)
                outInts[outOff + i] = ((inBytes[inOff + i * 4] & 0xff) << 24)
                        | ((inBytes[inOff + i * 4 + 1] & 0xff) << 16)
                        | ((inBytes[inOff + i * 4 + 2] & 0xff) << 8)
                        | (inBytes[inOff + i * 4 + 3] & 0xff);
        }

        public static void spreadIntsToBytes(int[] inInts, int inOff, byte[] outBytes, int outOff,
                int intLen) {
            for (int i = 0; i < intLen; ++i) {
                outBytes[outOff + i * 4] = (byte)(inInts[inOff + i] >>> 24);
                outBytes[outOff + i * 4 + 1] = (byte)(inInts[inOff + i] >>> 16);
                outBytes[outOff + i * 4 + 2] = (byte)(inInts[inOff + i] >>> 8);
                outBytes[outOff + i * 4 + 3] = (byte)inInts[inOff + i];
            }
        }
    }

    // ------------------------------------------------------------------------
    public static class MD4 extends MessageDigest implements Cloneable {
        private static final int BLOCK_LENGTH = 64;

        private int[] context = new int[4];

        private long count;

        private byte[] buffer = new byte[BLOCK_LENGTH];

        private int[] X = new int[16];

        public MD4() {
            super("MD4");
            engineReset();
        }

        private MD4(MD4 md) {
            this();
            context = (int[])md.context.clone();
            buffer = (byte[])md.buffer.clone();
            count = md.count;
        }

        public Object clone() {
            return new MD4(this);
        }

        public void engineReset() {
            context[0] = 0x67452301;
            context[1] = 0xEFCDAB89;
            context[2] = 0x98BADCFE;
            context[3] = 0x10325476;
            count = 0L;
            for (int i = 0; i < BLOCK_LENGTH; i++)
                buffer[i] = 0;
        }

        public void engineUpdate(byte b) {
            int i = (int)(count % BLOCK_LENGTH);
            count++;
            buffer[i] = b;
            if (i == BLOCK_LENGTH - 1) transform(buffer, 0);
        }

        public void engineUpdate(byte[] input, int offset, int len) {
            if (offset < 0 || len < 0 || (long)offset + len > input.length)
                throw new ArrayIndexOutOfBoundsException();
            int bufferNdx = (int)(count % BLOCK_LENGTH);
            count += len;
            int partLen = BLOCK_LENGTH - bufferNdx;
            int i = 0;
            if (len >= partLen) {
                System.arraycopy(input, offset, buffer, bufferNdx, partLen);
                transform(buffer, 0);
                for (i = partLen; i + BLOCK_LENGTH - 1 < len; i += BLOCK_LENGTH)
                    transform(input, offset + i);
                bufferNdx = 0;
            }
            if (i < len) System.arraycopy(input, offset + i, buffer, bufferNdx, len - i);
        }

        public byte[] engineDigest() {
            int bufferNdx = (int)(count % BLOCK_LENGTH);
            int padLen = (bufferNdx < 56)? (56 - bufferNdx): (120 - bufferNdx);
            byte[] tail = new byte[padLen + 8];
            tail[0] = (byte)0x80;
            for (int i = 0; i < 8; i++)
                tail[padLen + i] = (byte)((count * 8) >>> (8 * i));
            engineUpdate(tail, 0, tail.length);
            byte[] result = new byte[16];
            for (int i = 0; i < 4; i++)
                for (int j = 0; j < 4; j++)
                    result[i * 4 + j] = (byte)(context[i] >>> (8 * j));
            engineReset();
            return result;
        }

        private void transform(byte[] block, int offset) {
            for (int i = 0; i < 16; i++)
                X[i] = (block[offset++] & 0xFF) | (block[offset++] & 0xFF) << 8
                        | (block[offset++] & 0xFF) << 16 | (block[offset++] & 0xFF) << 24;
            int A = context[0];
            int B = context[1];
            int C = context[2];
            int D = context[3];
            A = FF(A, B, C, D, X[0], 3);
            D = FF(D, A, B, C, X[1], 7);
            C = FF(C, D, A, B, X[2], 11);
            B = FF(B, C, D, A, X[3], 19);
            A = FF(A, B, C, D, X[4], 3);
            D = FF(D, A, B, C, X[5], 7);
            C = FF(C, D, A, B, X[6], 11);
            B = FF(B, C, D, A, X[7], 19);
            A = FF(A, B, C, D, X[8], 3);
            D = FF(D, A, B, C, X[9], 7);
            C = FF(C, D, A, B, X[10], 11);
            B = FF(B, C, D, A, X[11], 19);
            A = FF(A, B, C, D, X[12], 3);
            D = FF(D, A, B, C, X[13], 7);
            C = FF(C, D, A, B, X[14], 11);
            B = FF(B, C, D, A, X[15], 19);
            A = GG(A, B, C, D, X[0], 3);
            D = GG(D, A, B, C, X[4], 5);
            C = GG(C, D, A, B, X[8], 9);
            B = GG(B, C, D, A, X[12], 13);
            A = GG(A, B, C, D, X[1], 3);
            D = GG(D, A, B, C, X[5], 5);
            C = GG(C, D, A, B, X[9], 9);
            B = GG(B, C, D, A, X[13], 13);
            A = GG(A, B, C, D, X[2], 3);
            D = GG(D, A, B, C, X[6], 5);
            C = GG(C, D, A, B, X[10], 9);
            B = GG(B, C, D, A, X[14], 13);
            A = GG(A, B, C, D, X[3], 3);
            D = GG(D, A, B, C, X[7], 5);
            C = GG(C, D, A, B, X[11], 9);
            B = GG(B, C, D, A, X[15], 13);
            A = HH(A, B, C, D, X[0], 3);
            D = HH(D, A, B, C, X[8], 9);
            C = HH(C, D, A, B, X[4], 11);
            B = HH(B, C, D, A, X[12], 15);
            A = HH(A, B, C, D, X[2], 3);
            D = HH(D, A, B, C, X[10], 9);
            C = HH(C, D, A, B, X[6], 11);
            B = HH(B, C, D, A, X[14], 15);
            A = HH(A, B, C, D, X[1], 3);
            D = HH(D, A, B, C, X[9], 9);
            C = HH(C, D, A, B, X[5], 11);
            B = HH(B, C, D, A, X[13], 15);
            A = HH(A, B, C, D, X[3], 3);
            D = HH(D, A, B, C, X[11], 9);
            C = HH(C, D, A, B, X[7], 11);
            B = HH(B, C, D, A, X[15], 15);
            context[0] += A;
            context[1] += B;
            context[2] += C;
            context[3] += D;
        }

        private int FF(int a, int b, int c, int d, int x, int s) {
            int t = a + ((b & c) | (~b & d)) + x;
            return t << s | t >>> (32 - s);
        }

        private int GG(int a, int b, int c, int d, int x, int s) {
            int t = a + ((b & (c | d)) | (c & d)) + x + 0x5A827999;
            return t << s | t >>> (32 - s);
        }

        private int HH(int a, int b, int c, int d, int x, int s) {
            int t = a + (b ^ c ^ d) + x + 0x6ED9EBA1;
            return t << s | t >>> (32 - s);
        }
    }

    // ------------------------------------------------------------------------
    public static class jcrypt {
        private jcrypt() {
        }

        private static final int ITERATIONS = 16;

        private static final int con_salt[] = {
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,
                0x01,
                0x02,
                0x03,
                0x04,
                0x05,
                0x06,
                0x07,
                0x08,
                0x09,
                0x0A,
                0x0B,
                0x05,
                0x06,
                0x07,
                0x08,
                0x09,
                0x0A,
                0x0B,
                0x0C,
                0x0D,
                0x0E,
                0x0F,
                0x10,
                0x11,
                0x12,
                0x13,
                0x14,
                0x15,
                0x16,
                0x17,
                0x18,
                0x19,
                0x1A,
                0x1B,
                0x1C,
                0x1D,
                0x1E,
                0x1F,
                0x20,
                0x21,
                0x22,
                0x23,
                0x24,
                0x25,
                0x20,
                0x21,
                0x22,
                0x23,
                0x24,
                0x25,
                0x26,
                0x27,
                0x28,
                0x29,
                0x2A,
                0x2B,
                0x2C,
                0x2D,
                0x2E,
                0x2F,
                0x30,
                0x31,
                0x32,
                0x33,
                0x34,
                0x35,
                0x36,
                0x37,
                0x38,
                0x39,
                0x3A,
                0x3B,
                0x3C,
                0x3D,
                0x3E,
                0x3F,
                0x00,
                0x00,
                0x00,
                0x00,
                0x00,};

        private static final boolean shifts2[] = {
                false,
                false,
                true,
                true,
                true,
                true,
                true,
                true,
                false,
                true,
                true,
                true,
                true,
                true,
                true,
                false};

        private static final int skb[][] = {
                {
                        0x00000000,
                        0x00000010,
                        0x20000000,
                        0x20000010,
                        0x00010000,
                        0x00010010,
                        0x20010000,
                        0x20010010,
                        0x00000800,
                        0x00000810,
                        0x20000800,
                        0x20000810,
                        0x00010800,
                        0x00010810,
                        0x20010800,
                        0x20010810,
                        0x00000020,
                        0x00000030,
                        0x20000020,
                        0x20000030,
                        0x00010020,
                        0x00010030,
                        0x20010020,
                        0x20010030,
                        0x00000820,
                        0x00000830,
                        0x20000820,
                        0x20000830,
                        0x00010820,
                        0x00010830,
                        0x20010820,
                        0x20010830,
                        0x00080000,
                        0x00080010,
                        0x20080000,
                        0x20080010,
                        0x00090000,
                        0x00090010,
                        0x20090000,
                        0x20090010,
                        0x00080800,
                        0x00080810,
                        0x20080800,
                        0x20080810,
                        0x00090800,
                        0x00090810,
                        0x20090800,
                        0x20090810,
                        0x00080020,
                        0x00080030,
                        0x20080020,
                        0x20080030,
                        0x00090020,
                        0x00090030,
                        0x20090020,
                        0x20090030,
                        0x00080820,
                        0x00080830,
                        0x20080820,
                        0x20080830,
                        0x00090820,
                        0x00090830,
                        0x20090820,
                        0x20090830,},
                {
                        0x00000000,
                        0x02000000,
                        0x00002000,
                        0x02002000,
                        0x00200000,
                        0x02200000,
                        0x00202000,
                        0x02202000,
                        0x00000004,
                        0x02000004,
                        0x00002004,
                        0x02002004,
                        0x00200004,
                        0x02200004,
                        0x00202004,
                        0x02202004,
                        0x00000400,
                        0x02000400,
                        0x00002400,
                        0x02002400,
                        0x00200400,
                        0x02200400,
                        0x00202400,
                        0x02202400,
                        0x00000404,
                        0x02000404,
                        0x00002404,
                        0x02002404,
                        0x00200404,
                        0x02200404,
                        0x00202404,
                        0x02202404,
                        0x10000000,
                        0x12000000,
                        0x10002000,
                        0x12002000,
                        0x10200000,
                        0x12200000,
                        0x10202000,
                        0x12202000,
                        0x10000004,
                        0x12000004,
                        0x10002004,
                        0x12002004,
                        0x10200004,
                        0x12200004,
                        0x10202004,
                        0x12202004,
                        0x10000400,
                        0x12000400,
                        0x10002400,
                        0x12002400,
                        0x10200400,
                        0x12200400,
                        0x10202400,
                        0x12202400,
                        0x10000404,
                        0x12000404,
                        0x10002404,
                        0x12002404,
                        0x10200404,
                        0x12200404,
                        0x10202404,
                        0x12202404,},
                {
                        0x00000000,
                        0x00000001,
                        0x00040000,
                        0x00040001,
                        0x01000000,
                        0x01000001,
                        0x01040000,
                        0x01040001,
                        0x00000002,
                        0x00000003,
                        0x00040002,
                        0x00040003,
                        0x01000002,
                        0x01000003,
                        0x01040002,
                        0x01040003,
                        0x00000200,
                        0x00000201,
                        0x00040200,
                        0x00040201,
                        0x01000200,
                        0x01000201,
                        0x01040200,
                        0x01040201,
                        0x00000202,
                        0x00000203,
                        0x00040202,
                        0x00040203,
                        0x01000202,
                        0x01000203,
                        0x01040202,
                        0x01040203,
                        0x08000000,
                        0x08000001,
                        0x08040000,
                        0x08040001,
                        0x09000000,
                        0x09000001,
                        0x09040000,
                        0x09040001,
                        0x08000002,
                        0x08000003,
                        0x08040002,
                        0x08040003,
                        0x09000002,
                        0x09000003,
                        0x09040002,
                        0x09040003,
                        0x08000200,
                        0x08000201,
                        0x08040200,
                        0x08040201,
                        0x09000200,
                        0x09000201,
                        0x09040200,
                        0x09040201,
                        0x08000202,
                        0x08000203,
                        0x08040202,
                        0x08040203,
                        0x09000202,
                        0x09000203,
                        0x09040202,
                        0x09040203,},
                {
                        0x00000000,
                        0x00100000,
                        0x00000100,
                        0x00100100,
                        0x00000008,
                        0x00100008,
                        0x00000108,
                        0x00100108,
                        0x00001000,
                        0x00101000,
                        0x00001100,
                        0x00101100,
                        0x00001008,
                        0x00101008,
                        0x00001108,
                        0x00101108,
                        0x04000000,
                        0x04100000,
                        0x04000100,
                        0x04100100,
                        0x04000008,
                        0x04100008,
                        0x04000108,
                        0x04100108,
                        0x04001000,
                        0x04101000,
                        0x04001100,
                        0x04101100,
                        0x04001008,
                        0x04101008,
                        0x04001108,
                        0x04101108,
                        0x00020000,
                        0x00120000,
                        0x00020100,
                        0x00120100,
                        0x00020008,
                        0x00120008,
                        0x00020108,
                        0x00120108,
                        0x00021000,
                        0x00121000,
                        0x00021100,
                        0x00121100,
                        0x00021008,
                        0x00121008,
                        0x00021108,
                        0x00121108,
                        0x04020000,
                        0x04120000,
                        0x04020100,
                        0x04120100,
                        0x04020008,
                        0x04120008,
                        0x04020108,
                        0x04120108,
                        0x04021000,
                        0x04121000,
                        0x04021100,
                        0x04121100,
                        0x04021008,
                        0x04121008,
                        0x04021108,
                        0x04121108,},
                {
                        0x00000000,
                        0x10000000,
                        0x00010000,
                        0x10010000,
                        0x00000004,
                        0x10000004,
                        0x00010004,
                        0x10010004,
                        0x20000000,
                        0x30000000,
                        0x20010000,
                        0x30010000,
                        0x20000004,
                        0x30000004,
                        0x20010004,
                        0x30010004,
                        0x00100000,
                        0x10100000,
                        0x00110000,
                        0x10110000,
                        0x00100004,
                        0x10100004,
                        0x00110004,
                        0x10110004,
                        0x20100000,
                        0x30100000,
                        0x20110000,
                        0x30110000,
                        0x20100004,
                        0x30100004,
                        0x20110004,
                        0x30110004,
                        0x00001000,
                        0x10001000,
                        0x00011000,
                        0x10011000,
                        0x00001004,
                        0x10001004,
                        0x00011004,
                        0x10011004,
                        0x20001000,
                        0x30001000,
                        0x20011000,
                        0x30011000,
                        0x20001004,
                        0x30001004,
                        0x20011004,
                        0x30011004,
                        0x00101000,
                        0x10101000,
                        0x00111000,
                        0x10111000,
                        0x00101004,
                        0x10101004,
                        0x00111004,
                        0x10111004,
                        0x20101000,
                        0x30101000,
                        0x20111000,
                        0x30111000,
                        0x20101004,
                        0x30101004,
                        0x20111004,
                        0x30111004,},
                {
                        0x00000000,
                        0x08000000,
                        0x00000008,
                        0x08000008,
                        0x00000400,
                        0x08000400,
                        0x00000408,
                        0x08000408,
                        0x00020000,
                        0x08020000,
                        0x00020008,
                        0x08020008,
                        0x00020400,
                        0x08020400,
                        0x00020408,
                        0x08020408,
                        0x00000001,
                        0x08000001,
                        0x00000009,
                        0x08000009,
                        0x00000401,
                        0x08000401,
                        0x00000409,
                        0x08000409,
                        0x00020001,
                        0x08020001,
                        0x00020009,
                        0x08020009,
                        0x00020401,
                        0x08020401,
                        0x00020409,
                        0x08020409,
                        0x02000000,
                        0x0A000000,
                        0x02000008,
                        0x0A000008,
                        0x02000400,
                        0x0A000400,
                        0x02000408,
                        0x0A000408,
                        0x02020000,
                        0x0A020000,
                        0x02020008,
                        0x0A020008,
                        0x02020400,
                        0x0A020400,
                        0x02020408,
                        0x0A020408,
                        0x02000001,
                        0x0A000001,
                        0x02000009,
                        0x0A000009,
                        0x02000401,
                        0x0A000401,
                        0x02000409,
                        0x0A000409,
                        0x02020001,
                        0x0A020001,
                        0x02020009,
                        0x0A020009,
                        0x02020401,
                        0x0A020401,
                        0x02020409,
                        0x0A020409,},
                {
                        0x00000000,
                        0x00000100,
                        0x00080000,
                        0x00080100,
                        0x01000000,
                        0x01000100,
                        0x01080000,
                        0x01080100,
                        0x00000010,
                        0x00000110,
                        0x00080010,
                        0x00080110,
                        0x01000010,
                        0x01000110,
                        0x01080010,
                        0x01080110,
                        0x00200000,
                        0x00200100,
                        0x00280000,
                        0x00280100,
                        0x01200000,
                        0x01200100,
                        0x01280000,
                        0x01280100,
                        0x00200010,
                        0x00200110,
                        0x00280010,
                        0x00280110,
                        0x01200010,
                        0x01200110,
                        0x01280010,
                        0x01280110,
                        0x00000200,
                        0x00000300,
                        0x00080200,
                        0x00080300,
                        0x01000200,
                        0x01000300,
                        0x01080200,
                        0x01080300,
                        0x00000210,
                        0x00000310,
                        0x00080210,
                        0x00080310,
                        0x01000210,
                        0x01000310,
                        0x01080210,
                        0x01080310,
                        0x00200200,
                        0x00200300,
                        0x00280200,
                        0x00280300,
                        0x01200200,
                        0x01200300,
                        0x01280200,
                        0x01280300,
                        0x00200210,
                        0x00200310,
                        0x00280210,
                        0x00280310,
                        0x01200210,
                        0x01200310,
                        0x01280210,
                        0x01280310,},
                {
                        0x00000000,
                        0x04000000,
                        0x00040000,
                        0x04040000,
                        0x00000002,
                        0x04000002,
                        0x00040002,
                        0x04040002,
                        0x00002000,
                        0x04002000,
                        0x00042000,
                        0x04042000,
                        0x00002002,
                        0x04002002,
                        0x00042002,
                        0x04042002,
                        0x00000020,
                        0x04000020,
                        0x00040020,
                        0x04040020,
                        0x00000022,
                        0x04000022,
                        0x00040022,
                        0x04040022,
                        0x00002020,
                        0x04002020,
                        0x00042020,
                        0x04042020,
                        0x00002022,
                        0x04002022,
                        0x00042022,
                        0x04042022,
                        0x00000800,
                        0x04000800,
                        0x00040800,
                        0x04040800,
                        0x00000802,
                        0x04000802,
                        0x00040802,
                        0x04040802,
                        0x00002800,
                        0x04002800,
                        0x00042800,
                        0x04042800,
                        0x00002802,
                        0x04002802,
                        0x00042802,
                        0x04042802,
                        0x00000820,
                        0x04000820,
                        0x00040820,
                        0x04040820,
                        0x00000822,
                        0x04000822,
                        0x00040822,
                        0x04040822,
                        0x00002820,
                        0x04002820,
                        0x00042820,
                        0x04042820,
                        0x00002822,
                        0x04002822,
                        0x00042822,
                        0x04042822,},};

        private static final int SPtrans[][] = {
                {
                        0x00820200,
                        0x00020000,
                        0x80800000,
                        0x80820200,
                        0x00800000,
                        0x80020200,
                        0x80020000,
                        0x80800000,
                        0x80020200,
                        0x00820200,
                        0x00820000,
                        0x80000200,
                        0x80800200,
                        0x00800000,
                        0x00000000,
                        0x80020000,
                        0x00020000,
                        0x80000000,
                        0x00800200,
                        0x00020200,
                        0x80820200,
                        0x00820000,
                        0x80000200,
                        0x00800200,
                        0x80000000,
                        0x00000200,
                        0x00020200,
                        0x80820000,
                        0x00000200,
                        0x80800200,
                        0x80820000,
                        0x00000000,
                        0x00000000,
                        0x80820200,
                        0x00800200,
                        0x80020000,
                        0x00820200,
                        0x00020000,
                        0x80000200,
                        0x00800200,
                        0x80820000,
                        0x00000200,
                        0x00020200,
                        0x80800000,
                        0x80020200,
                        0x80000000,
                        0x80800000,
                        0x00820000,
                        0x80820200,
                        0x00020200,
                        0x00820000,
                        0x80800200,
                        0x00800000,
                        0x80000200,
                        0x80020000,
                        0x00000000,
                        0x00020000,
                        0x00800000,
                        0x80800200,
                        0x00820200,
                        0x80000000,
                        0x80820000,
                        0x00000200,
                        0x80020200,},
                {
                        0x10042004,
                        0x00000000,
                        0x00042000,
                        0x10040000,
                        0x10000004,
                        0x00002004,
                        0x10002000,
                        0x00042000,
                        0x00002000,
                        0x10040004,
                        0x00000004,
                        0x10002000,
                        0x00040004,
                        0x10042000,
                        0x10040000,
                        0x00000004,
                        0x00040000,
                        0x10002004,
                        0x10040004,
                        0x00002000,
                        0x00042004,
                        0x10000000,
                        0x00000000,
                        0x00040004,
                        0x10002004,
                        0x00042004,
                        0x10042000,
                        0x10000004,
                        0x10000000,
                        0x00040000,
                        0x00002004,
                        0x10042004,
                        0x00040004,
                        0x10042000,
                        0x10002000,
                        0x00042004,
                        0x10042004,
                        0x00040004,
                        0x10000004,
                        0x00000000,
                        0x10000000,
                        0x00002004,
                        0x00040000,
                        0x10040004,
                        0x00002000,
                        0x10000000,
                        0x00042004,
                        0x10002004,
                        0x10042000,
                        0x00002000,
                        0x00000000,
                        0x10000004,
                        0x00000004,
                        0x10042004,
                        0x00042000,
                        0x10040000,
                        0x10040004,
                        0x00040000,
                        0x00002004,
                        0x10002000,
                        0x10002004,
                        0x00000004,
                        0x10040000,
                        0x00042000,},
                {
                        0x41000000,
                        0x01010040,
                        0x00000040,
                        0x41000040,
                        0x40010000,
                        0x01000000,
                        0x41000040,
                        0x00010040,
                        0x01000040,
                        0x00010000,
                        0x01010000,
                        0x40000000,
                        0x41010040,
                        0x40000040,
                        0x40000000,
                        0x41010000,
                        0x00000000,
                        0x40010000,
                        0x01010040,
                        0x00000040,
                        0x40000040,
                        0x41010040,
                        0x00010000,
                        0x41000000,
                        0x41010000,
                        0x01000040,
                        0x40010040,
                        0x01010000,
                        0x00010040,
                        0x00000000,
                        0x01000000,
                        0x40010040,
                        0x01010040,
                        0x00000040,
                        0x40000000,
                        0x00010000,
                        0x40000040,
                        0x40010000,
                        0x01010000,
                        0x41000040,
                        0x00000000,
                        0x01010040,
                        0x00010040,
                        0x41010000,
                        0x40010000,
                        0x01000000,
                        0x41010040,
                        0x40000000,
                        0x40010040,
                        0x41000000,
                        0x01000000,
                        0x41010040,
                        0x00010000,
                        0x01000040,
                        0x41000040,
                        0x00010040,
                        0x01000040,
                        0x00000000,
                        0x41010000,
                        0x40000040,
                        0x41000000,
                        0x40010040,
                        0x00000040,
                        0x01010000,},
                {
                        0x00100402,
                        0x04000400,
                        0x00000002,
                        0x04100402,
                        0x00000000,
                        0x04100000,
                        0x04000402,
                        0x00100002,
                        0x04100400,
                        0x04000002,
                        0x04000000,
                        0x00000402,
                        0x04000002,
                        0x00100402,
                        0x00100000,
                        0x04000000,
                        0x04100002,
                        0x00100400,
                        0x00000400,
                        0x00000002,
                        0x00100400,
                        0x04000402,
                        0x04100000,
                        0x00000400,
                        0x00000402,
                        0x00000000,
                        0x00100002,
                        0x04100400,
                        0x04000400,
                        0x04100002,
                        0x04100402,
                        0x00100000,
                        0x04100002,
                        0x00000402,
                        0x00100000,
                        0x04000002,
                        0x00100400,
                        0x04000400,
                        0x00000002,
                        0x04100000,
                        0x04000402,
                        0x00000000,
                        0x00000400,
                        0x00100002,
                        0x00000000,
                        0x04100002,
                        0x04100400,
                        0x00000400,
                        0x04000000,
                        0x04100402,
                        0x00100402,
                        0x00100000,
                        0x04100402,
                        0x00000002,
                        0x04000400,
                        0x00100402,
                        0x00100002,
                        0x00100400,
                        0x04100000,
                        0x04000402,
                        0x00000402,
                        0x04000000,
                        0x04000002,
                        0x04100400,},
                {
                        0x02000000,
                        0x00004000,
                        0x00000100,
                        0x02004108,
                        0x02004008,
                        0x02000100,
                        0x00004108,
                        0x02004000,
                        0x00004000,
                        0x00000008,
                        0x02000008,
                        0x00004100,
                        0x02000108,
                        0x02004008,
                        0x02004100,
                        0x00000000,
                        0x00004100,
                        0x02000000,
                        0x00004008,
                        0x00000108,
                        0x02000100,
                        0x00004108,
                        0x00000000,
                        0x02000008,
                        0x00000008,
                        0x02000108,
                        0x02004108,
                        0x00004008,
                        0x02004000,
                        0x00000100,
                        0x00000108,
                        0x02004100,
                        0x02004100,
                        0x02000108,
                        0x00004008,
                        0x02004000,
                        0x00004000,
                        0x00000008,
                        0x02000008,
                        0x02000100,
                        0x02000000,
                        0x00004100,
                        0x02004108,
                        0x00000000,
                        0x00004108,
                        0x02000000,
                        0x00000100,
                        0x00004008,
                        0x02000108,
                        0x00000100,
                        0x00000000,
                        0x02004108,
                        0x02004008,
                        0x02004100,
                        0x00000108,
                        0x00004000,
                        0x00004100,
                        0x02004008,
                        0x02000100,
                        0x00000108,
                        0x00000008,
                        0x00004108,
                        0x02004000,
                        0x02000008,},
                {
                        0x20000010,
                        0x00080010,
                        0x00000000,
                        0x20080800,
                        0x00080010,
                        0x00000800,
                        0x20000810,
                        0x00080000,
                        0x00000810,
                        0x20080810,
                        0x00080800,
                        0x20000000,
                        0x20000800,
                        0x20000010,
                        0x20080000,
                        0x00080810,
                        0x00080000,
                        0x20000810,
                        0x20080010,
                        0x00000000,
                        0x00000800,
                        0x00000010,
                        0x20080800,
                        0x20080010,
                        0x20080810,
                        0x20080000,
                        0x20000000,
                        0x00000810,
                        0x00000010,
                        0x00080800,
                        0x00080810,
                        0x20000800,
                        0x00000810,
                        0x20000000,
                        0x20000800,
                        0x00080810,
                        0x20080800,
                        0x00080010,
                        0x00000000,
                        0x20000800,
                        0x20000000,
                        0x00000800,
                        0x20080010,
                        0x00080000,
                        0x00080010,
                        0x20080810,
                        0x00080800,
                        0x00000010,
                        0x20080810,
                        0x00080800,
                        0x00080000,
                        0x20000810,
                        0x20000010,
                        0x20080000,
                        0x00080810,
                        0x00000000,
                        0x00000800,
                        0x20000010,
                        0x20000810,
                        0x20080800,
                        0x20080000,
                        0x00000810,
                        0x00000010,
                        0x20080010,},
                {
                        0x00001000,
                        0x00000080,
                        0x00400080,
                        0x00400001,
                        0x00401081,
                        0x00001001,
                        0x00001080,
                        0x00000000,
                        0x00400000,
                        0x00400081,
                        0x00000081,
                        0x00401000,
                        0x00000001,
                        0x00401080,
                        0x00401000,
                        0x00000081,
                        0x00400081,
                        0x00001000,
                        0x00001001,
                        0x00401081,
                        0x00000000,
                        0x00400080,
                        0x00400001,
                        0x00001080,
                        0x00401001,
                        0x00001081,
                        0x00401080,
                        0x00000001,
                        0x00001081,
                        0x00401001,
                        0x00000080,
                        0x00400000,
                        0x00001081,
                        0x00401000,
                        0x00401001,
                        0x00000081,
                        0x00001000,
                        0x00000080,
                        0x00400000,
                        0x00401001,
                        0x00400081,
                        0x00001081,
                        0x00001080,
                        0x00000000,
                        0x00000080,
                        0x00400001,
                        0x00000001,
                        0x00400080,
                        0x00000000,
                        0x00400081,
                        0x00400080,
                        0x00001080,
                        0x00000081,
                        0x00001000,
                        0x00401081,
                        0x00400000,
                        0x00401080,
                        0x00000001,
                        0x00001001,
                        0x00401081,
                        0x00400001,
                        0x00401080,
                        0x00401000,
                        0x00001001,},
                {
                        0x08200020,
                        0x08208000,
                        0x00008020,
                        0x00000000,
                        0x08008000,
                        0x00200020,
                        0x08200000,
                        0x08208020,
                        0x00000020,
                        0x08000000,
                        0x00208000,
                        0x00008020,
                        0x00208020,
                        0x08008020,
                        0x08000020,
                        0x08200000,
                        0x00008000,
                        0x00208020,
                        0x00200020,
                        0x08008000,
                        0x08208020,
                        0x08000020,
                        0x00000000,
                        0x00208000,
                        0x08000000,
                        0x00200000,
                        0x08008020,
                        0x08200020,
                        0x00200000,
                        0x00008000,
                        0x08208000,
                        0x00000020,
                        0x00200000,
                        0x00008000,
                        0x08000020,
                        0x08208020,
                        0x00008020,
                        0x08000000,
                        0x00000000,
                        0x00208000,
                        0x08200020,
                        0x08008020,
                        0x08008000,
                        0x00200020,
                        0x08208000,
                        0x00000020,
                        0x00200020,
                        0x08008000,
                        0x08208020,
                        0x00200000,
                        0x08200000,
                        0x08000020,
                        0x00208000,
                        0x00008020,
                        0x08008020,
                        0x08200000,
                        0x00000020,
                        0x08208000,
                        0x00208020,
                        0x00000000,
                        0x08000000,
                        0x08200020,
                        0x00008000,
                        0x00208020}};

        private static final int cov_2char[] = {
                0x2E,
                0x2F,
                0x30,
                0x31,
                0x32,
                0x33,
                0x34,
                0x35,
                0x36,
                0x37,
                0x38,
                0x39,
                0x41,
                0x42,
                0x43,
                0x44,
                0x45,
                0x46,
                0x47,
                0x48,
                0x49,
                0x4A,
                0x4B,
                0x4C,
                0x4D,
                0x4E,
                0x4F,
                0x50,
                0x51,
                0x52,
                0x53,
                0x54,
                0x55,
                0x56,
                0x57,
                0x58,
                0x59,
                0x5A,
                0x61,
                0x62,
                0x63,
                0x64,
                0x65,
                0x66,
                0x67,
                0x68,
                0x69,
                0x6A,
                0x6B,
                0x6C,
                0x6D,
                0x6E,
                0x6F,
                0x70,
                0x71,
                0x72,
                0x73,
                0x74,
                0x75,
                0x76,
                0x77,
                0x78,
                0x79,
                0x7A};

        private static final int byteToUnsigned(byte b) {
            int value = (int)b;

            return (value >= 0? value: value + 256);
        }

        private static int fourBytesToInt(byte b[], int offset) {
            int value;

            value = byteToUnsigned(b[offset++]);
            value |= (byteToUnsigned(b[offset++]) << 8);
            value |= (byteToUnsigned(b[offset++]) << 16);
            value |= (byteToUnsigned(b[offset++]) << 24);

            return (value);
        }

        private static final void intToFourBytes(int iValue, byte b[], int offset) {
            b[offset++] = (byte)((iValue) & 0xff);
            b[offset++] = (byte)((iValue >>> 8) & 0xff);
            b[offset++] = (byte)((iValue >>> 16) & 0xff);
            b[offset++] = (byte)((iValue >>> 24) & 0xff);
        }

        private static final void PERM_OP(int a, int b, int n, int m, int results[]) {
            int t;

            t = ((a >>> n) ^ b) & m;
            a ^= t << n;
            b ^= t;

            results[0] = a;
            results[1] = b;
        }

        private static final int HPERM_OP(int a, int n, int m) {
            int t;

            t = ((a << (16 - n)) ^ a) & m;
            a = a ^ t ^ (t >>> (16 - n));

            return (a);
        }

        private static int[] des_set_key(byte key[]) {
            int schedule[] = new int[ITERATIONS * 2];

            int c = fourBytesToInt(key, 0);
            int d = fourBytesToInt(key, 4);

            int results[] = new int[2];

            PERM_OP(d, c, 4, 0x0f0f0f0f, results);
            d = results[0];
            c = results[1];

            c = HPERM_OP(c, -2, 0xcccc0000);
            d = HPERM_OP(d, -2, 0xcccc0000);

            PERM_OP(d, c, 1, 0x55555555, results);
            d = results[0];
            c = results[1];

            PERM_OP(c, d, 8, 0x00ff00ff, results);
            c = results[0];
            d = results[1];

            PERM_OP(d, c, 1, 0x55555555, results);
            d = results[0];
            c = results[1];

            d = (((d & 0x000000ff) << 16) | (d & 0x0000ff00) | ((d & 0x00ff0000) >>> 16) | ((c & 0xf0000000) >>> 4));
            c &= 0x0fffffff;

            int s, t;
            int j = 0;

            for (int i = 0; i < ITERATIONS; i++) {
                if (shifts2[i]) {
                    c = (c >>> 2) | (c << 26);
                    d = (d >>> 2) | (d << 26);
                } else {
                    c = (c >>> 1) | (c << 27);
                    d = (d >>> 1) | (d << 27);
                }

                c &= 0x0fffffff;
                d &= 0x0fffffff;

                s = skb[0][(c) & 0x3f] | skb[1][((c >>> 6) & 0x03) | ((c >>> 7) & 0x3c)]
                        | skb[2][((c >>> 13) & 0x0f) | ((c >>> 14) & 0x30)]
                        | skb[3][((c >>> 20) & 0x01) | ((c >>> 21) & 0x06) | ((c >>> 22) & 0x38)];

                t = skb[4][(d) & 0x3f] | skb[5][((d >>> 7) & 0x03) | ((d >>> 8) & 0x3c)]
                        | skb[6][(d >>> 15) & 0x3f]
                        | skb[7][((d >>> 21) & 0x0f) | ((d >>> 22) & 0x30)];

                schedule[j++] = ((t << 16) | (s & 0x0000ffff)) & 0xffffffff;
                s = ((s >>> 16) | (t & 0xffff0000));

                s = (s << 4) | (s >>> 28);
                schedule[j++] = s & 0xffffffff;
            }
            return (schedule);
        }

        private static final int D_ENCRYPT(int L, int R, int S, int E0, int E1, int s[]) {
            int t, u, v;

            v = R ^ (R >>> 16);
            u = v & E0;
            v = v & E1;
            u = (u ^ (u << 16)) ^ R ^ s[S];
            t = (v ^ (v << 16)) ^ R ^ s[S + 1];
            t = (t >>> 4) | (t << 28);

            L ^= SPtrans[1][(t) & 0x3f] | SPtrans[3][(t >>> 8) & 0x3f]
                    | SPtrans[5][(t >>> 16) & 0x3f] | SPtrans[7][(t >>> 24) & 0x3f]
                    | SPtrans[0][(u) & 0x3f] | SPtrans[2][(u >>> 8) & 0x3f]
                    | SPtrans[4][(u >>> 16) & 0x3f] | SPtrans[6][(u >>> 24) & 0x3f];

            return (L);
        }

        private static final int[] body(int schedule[], int Eswap0, int Eswap1) {
            int left = 0;
            int right = 0;
            int t = 0;

            for (int j = 0; j < 25; j++) {
                for (int i = 0; i < ITERATIONS * 2; i += 4) {
                    left = D_ENCRYPT(left, right, i, Eswap0, Eswap1, schedule);
                    right = D_ENCRYPT(right, left, i + 2, Eswap0, Eswap1, schedule);
                }
                t = left;
                left = right;
                right = t;
            }

            t = right;

            right = (left >>> 1) | (left << 31);
            left = (t >>> 1) | (t << 31);

            left &= 0xffffffff;
            right &= 0xffffffff;

            int results[] = new int[2];

            PERM_OP(right, left, 1, 0x55555555, results);
            right = results[0];
            left = results[1];

            PERM_OP(left, right, 8, 0x00ff00ff, results);
            left = results[0];
            right = results[1];

            PERM_OP(right, left, 2, 0x33333333, results);
            right = results[0];
            left = results[1];

            PERM_OP(left, right, 16, 0x0000ffff, results);
            left = results[0];
            right = results[1];

            PERM_OP(right, left, 4, 0x0f0f0f0f, results);
            right = results[0];
            left = results[1];

            int out[] = new int[2];

            out[0] = left;
            out[1] = right;

            return (out);
        }

        public static final String crypt(String salt, String original) {
            while (salt.length() < 2)
                salt += "A";

            StringBuffer buffer = new StringBuffer("             ");

            char charZero = salt.charAt(0);
            char charOne = salt.charAt(1);

            buffer.setCharAt(0, charZero);
            buffer.setCharAt(1, charOne);

            int Eswap0 = con_salt[(int)charZero];
            int Eswap1 = con_salt[(int)charOne] << 4;

            byte key[] = new byte[8];

            for (int i = 0; i < key.length; i++)
                key[i] = (byte)0;

            for (int i = 0; i < key.length && i < original.length(); i++) {
                int iChar = (int)original.charAt(i);

                key[i] = (byte)(iChar << 1);
            }

            int schedule[] = des_set_key(key);
            int out[] = body(schedule, Eswap0, Eswap1);

            byte b[] = new byte[9];

            intToFourBytes(out[0], b, 0);
            intToFourBytes(out[1], b, 4);
            b[8] = 0;

            for (int i = 2, y = 0, u = 0x80; i < 13; i++) {
                for (int j = 0, c = 0; j < 6; j++) {
                    c <<= 1;

                    if (((int)b[y] & u) != 0) c |= 1;

                    u >>>= 1;

                    if (u == 0) {
                        y++;
                        u = 0x80;
                    }
                    buffer.setCharAt(i, (char)cov_2char[c]);
                }
            }
            return (buffer.toString());
        }

        public static void main(String args[]) {
            if (args.length >= 2) {
                System.out.println("[" + args[0] + "] [" + args[1] + "] => ["
                        + jcrypt.crypt(args[0], args[1]) + "]");
            }
        }
    }

    // ------------------------------------------------------------------------
    public static class Hash {
        private Hash() {
        }

        private static final byte[] getBytes(String s) {
            try {
                return s.getBytes(UTF_8);
            } catch (UnsupportedEncodingException e) {
                return s.getBytes();
            }
        }

        public static final String crypt(String original, String salt) {
            return jcrypt.crypt(salt, original);
        }

        public static final byte[] md5_bytes(String original) {
            MessageDigest md;
            try {
                md = MessageDigest.getInstance("MD5");
            } catch (NoSuchAlgorithmException e) {
                throw new AssertionError("MD5 n'est pas disponible: " + getSummary(e));
            }
            return md.digest(getBytes(original));
        }

        public static final String md5(String original) {
            return Base64.encodeBytes(md5_bytes(original));
        }

        public static final byte[] smd5_bytes(String original, byte[] salt) {
            if (salt == null) salt = new byte[0];
            MessageDigest md;
            try {
                md = MessageDigest.getInstance("MD5");
            } catch (NoSuchAlgorithmException e) {
                throw new AssertionError("MD5 n'est pas disponible: " + getSummary(e));
            }
            md.update(getBytes(original));
            md.update(salt);
            byte[] tmpdigest = md.digest();
            byte[] digest = new byte[tmpdigest.length + salt.length];
            System.arraycopy(tmpdigest, 0, digest, 0, tmpdigest.length);
            System.arraycopy(salt, 0, digest, tmpdigest.length, salt.length);
            return digest;
        }

        public static final String smd5(String original, byte[] salt) {
            return Base64.encodeBytes(smd5_bytes(original, salt));
        }

        public static final byte[] sha_bytes(String original) {
            MessageDigest md;
            try {
                md = MessageDigest.getInstance("SHA-1");
            } catch (NoSuchAlgorithmException e) {
                throw new AssertionError("SHA-1 n'est pas disponible: " + getSummary(e));
            }
            return md.digest(getBytes(original));
        }

        public static final String sha(String original) {
            return Base64.encodeBytes(sha_bytes(original));
        }

        public static final byte[] ssha_bytes(String original, byte[] salt) {
            if (salt == null) salt = new byte[0];
            MessageDigest md;
            try {
                md = MessageDigest.getInstance("SHA-1");
            } catch (NoSuchAlgorithmException e) {
                throw new AssertionError("SHA-1 n'est pas disponible: " + getSummary(e));
            }
            md.update(getBytes(original));
            md.update(salt);
            byte[] tmpdigest = md.digest();
            byte[] digest = new byte[tmpdigest.length + salt.length];
            System.arraycopy(tmpdigest, 0, digest, 0, tmpdigest.length);
            System.arraycopy(salt, 0, digest, tmpdigest.length, salt.length);
            return digest;
        }

        public static final String ssha(String original, byte[] salt) {
            return Base64.encodeBytes(ssha_bytes(original, salt));
        }

        public static final byte[] ntHash_bytes(String password) {
            try {
                return new MD4().digest(password.getBytes("UTF-16LE"));
            } catch (UnsupportedEncodingException e) {
                throw new AssertionError("UTF-16LE n'est pas disponible: " + getSummary(e));
            }
        }

        public static final String ntlm(String password) {
            return toHex(ntHash_bytes(password));
        }

        public static final byte[] lmHash_bytes(String password) {
            try {
                byte[] oemPassword = password.toUpperCase().getBytes("US-ASCII");
                int length = Math.min(oemPassword.length, 14);
                byte[] keys = new byte[14];
                System.arraycopy(oemPassword, 0, keys, 0, length);
                byte[] magic = "KGS!@#$%".getBytes("US-ASCII");
                byte[] key1 = new byte[7];
                System.arraycopy(keys, 0, key1, 0, 7);
                byte[] hash1 = new DES(key1).encrypt(magic);
                byte[] key2 = new byte[7];
                System.arraycopy(keys, 7, key2, 0, 7);
                byte[] hash2 = new DES(key2).encrypt(magic);
                byte[] hash = new byte[16];
                System.arraycopy(hash1, 0, hash, 0, 8);
                System.arraycopy(hash2, 0, hash, 8, 8);
                return hash;
            } catch (UnsupportedEncodingException e) {
                throw new AssertionError("US-ASCII n'est pas disponible: " + getSummary(e));
            }
        }

        public static final String lm(String password) {
            return toHex(lmHash_bytes(password));
        }
    }

    // ------------------------------------------------------------------------
    public static class Salt {
        public static final String getCryptSalt(String pw) {
            if (pw == null) return null;
            if (strSubstr(pw, 0, 7).equalsIgnoreCase("{crypt}")) pw = strSubstr(pw, 7);
            return strSubstr(pw, 0, 2);
        }

        public static final byte[] getSmd5Salt(byte[] digest) {
            if (digest == null) return null;
            if (digest.length <= 16) return new byte[0];
            byte[] salt = new byte[digest.length - 16];
            System.arraycopy(digest, 16, salt, 0, salt.length);
            return salt;
        }

        public static final byte[] getSmd5Salt(String pw) {
            if (pw == null) return null;
            if (strSubstr(pw, 0, 6).equalsIgnoreCase("{smd5}")) pw = strSubstr(pw, 6);
            try {
                return getSmd5Salt(Base64.decode(pw));
            } catch (IllegalArgumentException e) {
                return null;
            }
        }

        public static final byte[] getSshaSalt(byte[] digest) {
            if (digest == null) return null;
            if (digest.length <= 20) return new byte[0];
            byte[] salt = new byte[digest.length - 20];
            System.arraycopy(digest, 20, salt, 0, salt.length);
            return salt;
        }

        public static final byte[] getSshaSalt(String pw) {
            if (pw == null) return null;
            if (strSubstr(pw, 0, 6).equalsIgnoreCase("{ssha}")) pw = strSubstr(pw, 6);
            try {
                return getSshaSalt(Base64.decode(pw));
            } catch (IllegalArgumentException e) {
                return null;
            }
        }

        public static final String[] DEFAULT_CRYPT_SALT_SECTIONS = new String[] {
                PasswordGenerator.UPPER,
                PasswordGenerator.LOWER,
                PasswordGenerator.NUMBERS};

        private static final SecureRandom newSecureRandom() {
            try {
                return SecureRandom.getInstance("SHA1PRNG");
            } catch (NoSuchAlgorithmException e) {
                return new SecureRandom();
            }
        }

        private static final SecureRandom DEFAULT_RAND = newSecureRandom();

        private static final int DEFAULT_BINARY_SALT_LENGTH = 20;

        private static final Salt instance = new Salt();

        public static final Salt getInstance() {
            return instance;
        }

        public Salt(Random rand, String[] cryptSaltSections, int binarySaltLength) {
            if (rand == null) rand = DEFAULT_RAND;
            if (cryptSaltSections == null) cryptSaltSections = DEFAULT_CRYPT_SALT_SECTIONS;
            if (binarySaltLength <= 0) binarySaltLength = DEFAULT_BINARY_SALT_LENGTH;
            this.rand = rand;
            this.cryptSaltSections = cryptSaltSections;
            this.binarySaltLength = binarySaltLength;
        }

        public Salt() {
            this(null, null, -1);
        }

        private Random rand;

        private String[] cryptSaltSections;

        public String newCryptSalt() {
            return PasswordGenerator.generate(2, cryptSaltSections, rand);
        }

        private int binarySaltLength;

        public byte[] newBinarySalt() {
            byte[] salt = new byte[binarySaltLength];
            rand.nextBytes(salt);
            return salt;
        }
    }

    // ------------------------------------------------------------------------
    public static class Password {
        public static final String CLEARTEXT = "", CRYPT = "CRYPT", MD5 = "MD5", SMD5 = "SMD5",
                SHA = "SHA", SSHA = "SSHA";

        public static final String DEFAULT_SCHEME = SSHA;

        public static final List<String> VALID_SCHEMES = Arrays.asList(new String[] {
                CLEARTEXT,
                CRYPT,
                MD5,
                SMD5,
                SHA,
                SSHA});

        private static final Pattern NORMALIZED_FORMAT = Pattern.compile("\\{.+\\}.+");

        public static final boolean isNormalizedFormat(String pw) {
            return NORMALIZED_FORMAT.matcher(pw).matches();
        }

        public static final String getNormalizedScheme(String pw) {
            if (pw == null) return null;
            if (isNormalizedFormat(pw)) {
                int p = pw.indexOf('}');
                return strSubstr(pw, 1, p).toUpperCase();
            } else {
                return CLEARTEXT;
            }
        }

        public static final String getNormalizedPassword(String pw) {
            if (pw == null) return null;
            if (isNormalizedFormat(pw)) {
                int p = pw.indexOf('}');
                return strSubstr(pw, p + 1);
            } else {
                return pw;
            }
        }

        public static final boolean isClearScheme(String pw) {
            String scheme = getNormalizedScheme(pw);
            return strIsempty(scheme) || CLEARTEXT.equals(scheme);
        }

        public static final boolean isCryptScheme(String pw) {
            return CRYPT.equals(getNormalizedScheme(pw));
        }

        public static final boolean isMd5Scheme(String pw) {
            return MD5.equals(getNormalizedScheme(pw));
        }

        public static final boolean isSmd5Scheme(String pw) {
            return SMD5.equals(getNormalizedScheme(pw));
        }

        public static final boolean isShaScheme(String pw) {
            return SHA.equals(getNormalizedScheme(pw));
        }

        public static final boolean isSshaScheme(String pw) {
            return SSHA.equals(getNormalizedScheme(pw));
        }

        public static final boolean validate(String clear, String normalized) {
            return new Password(normalized).validate(clear);
        }

        private Salt saltGenerator = Salt.getInstance();

        public void setSaltGenerator(Salt saltGenerator) {
            if (saltGenerator == null) saltGenerator = Salt.getInstance();
            this.saltGenerator = saltGenerator;
        }

        public Password(String clear, String scheme, String crypted, String lmhash, String ntlmhash) {
            reset(true);
            setClear(clear);
            setScheme(scheme);
            this.crypted = crypted;
            this.lmHash = lmhash;
            this.ntlmHash = ntlmhash;
        }

        public Password() {
            reset(true);
        }

        public Password(String normalized) {
            this();
            setNormalized(normalized);
        }

        public Password(String clear, String scheme) {
            this();
            setClear(clear);
            setScheme(scheme);
        }

        protected String scheme;

        public String getScheme() {
            return scheme;
        }

        public void setScheme(String scheme) {
            if (scheme == null) scheme = DEFAULT_SCHEME;
            if (!strEquals(this.scheme, scheme)) {
                this.scheme = scheme;
                crypted = normalized = ntlmHash = lmHash = null;
            }
        }

        public boolean isClearScheme() {
            return strIsempty(scheme) || CLEARTEXT.equals(scheme);
        }

        public boolean isCryptScheme() {
            return CRYPT.equals(scheme);
        }

        public boolean isMd5Scheme() {
            return MD5.equals(scheme);
        }

        public boolean isSmd5Scheme() {
            return SMD5.equals(scheme);
        }

        public boolean isShaScheme() {
            return SHA.equals(scheme);
        }

        public boolean isSshaScheme() {
            return SSHA.equals(scheme);
        }

        private final void reset(boolean resetScheme) {
            if (resetScheme || scheme == null) scheme = DEFAULT_SCHEME;
            clear = crypted = normalized = lmHash = ntlmHash = null;
        }

        protected String clear;

        public boolean hasClear() {
            return clear != null;
        }

        protected String randomCryptSalt() {
            return saltGenerator.newCryptSalt();
        }

        protected byte[] randomBinarySalt() {
            return saltGenerator.newBinarySalt();
        }

        public static class NotAvailableException extends Exception {
            private static final long serialVersionUID = 1L;

            public static final String DEFAULT_MESSAGE = "Mot de passe en clair non disponible";

            public NotAvailableException(String message) {
                super(message != null? message: DEFAULT_MESSAGE);
            }

            public NotAvailableException() {
                this(null);
            }
        }

        public String getClear() throws NotAvailableException {
            if (clear != null || crypted == null) return clear;
            throw new NotAvailableException();
        }

        public String getClearOrNull() {
            return clear;
        }

        public Password setClear(String clear) {
            reset(false);
            this.clear = clear;
            return this;
        }

        public Password setCryptPassword(String pw) {
            reset(true);
            scheme = CRYPT;
            crypted = pw;
            return this;
        }

        public Password setMd5Password(String pw) {
            reset(true);
            scheme = MD5;
            crypted = pw;
            return this;
        }

        public Password setSmd5Password(String pw) {
            reset(true);
            scheme = SMD5;
            crypted = pw;
            return this;
        }

        public Password setShaPassword(String pw) {
            reset(true);
            scheme = SHA;
            crypted = pw;
            return this;
        }

        public Password setSshaPassword(String pw) {
            reset(true);
            scheme = SSHA;
            crypted = pw;
            return this;
        }

        private static final String DISABLED = "*disabled*";

        public boolean isDisabled() {
            return !isClearScheme() && strEquals(crypted, DISABLED);
        }

        public Password setDisabled(boolean disabled) {
            if (disabled && !isClearScheme()) {
                crypted = DISABLED;
                ntlmHash = lmHash = normalized = null;
            }
            return this;
        }

        protected String crypted;

        public String getCrypted() {
            if (isClearScheme()) return clear;
            else if (crypted == null) {
                if (isCryptScheme()) crypted = Hash.crypt(clear, randomCryptSalt());
                else if (isMd5Scheme()) crypted = Hash.md5(clear);
                else if (isSmd5Scheme()) crypted = Hash.smd5(clear, randomBinarySalt());
                else if (isShaScheme()) crypted = Hash.sha(clear);
                else if (isSshaScheme()) crypted = Hash.ssha(clear, randomBinarySalt());
                else throw new IllegalStateException("Type de cryptage non reconnu: " + scheme);
            }
            return crypted;
        }

        public String getCryptCrypted() {
            if (isCryptScheme()) return getCrypted();
            else if (clear != null) return Hash.crypt(clear, randomCryptSalt());
            else return null;
        }

        public String getMd5Crypted() {
            if (isMd5Scheme()) return getCrypted();
            else if (clear != null) return Hash.md5(clear);
            else return null;
        }

        public String getSmd5Crypted() {
            if (isSmd5Scheme()) return getCrypted();
            else if (clear != null) return Hash.smd5(clear, randomBinarySalt());
            else return null;
        }

        public String getShaCrypted() {
            if (isShaScheme()) return getCrypted();
            else if (clear != null) return Hash.sha(clear);
            else return null;
        }

        public String getSshaCrypted() {
            if (isSshaScheme()) return getCrypted();
            else if (clear != null) return Hash.ssha(clear, randomBinarySalt());
            else return null;
        }

        protected String normalized;

        public String getNormalized() {
            if (normalized == null) {
                if (isClearScheme()) normalized = clear;
                else normalized = "{" + scheme + "}" + getCrypted();
            }
            return normalized;
        }

        public String toString() {
            return getNormalized();
        }

        public Password setNormalized(String pw) {
            reset(true);
            if (pw == null) {
                scheme = CLEARTEXT;
                return this;
            }
            if (isNormalizedFormat(pw)) {
                int p = pw.indexOf('}');
                scheme = strSubstr(pw, 1, p).toUpperCase();
                crypted = strSubstr(pw, p + 1);
            } else {
                scheme = CLEARTEXT;
                clear = pw;
            }
            return this;
        }

        private static final String NTLM_DISABLED = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";

        protected String ntlmHash;

        public String getNtlmHash() throws NotAvailableException {
            if (ntlmHash == null) {
                if (isDisabled()) ntlmHash = NTLM_DISABLED;
                else if (hasClear()) ntlmHash = Hash.ntlm(clear);
                else throw new NotAvailableException();
            }
            return ntlmHash;
        }

        protected String lmHash;

        public String getLmHash() throws NotAvailableException {
            if (lmHash == null) {
                if (isDisabled()) lmHash = NTLM_DISABLED;
                else if (hasClear()) lmHash = Hash.lm(clear);
                else throw new NotAvailableException();
            }
            return lmHash;
        }

        public boolean validate(String userPassword) {
            getNormalized();
            if (isClearScheme()) {
                return strEquals(strNotnull(this.clear), strNotnull(userPassword));
            }
            if (userPassword == null) return false;
            if (isCryptScheme()) {
                return Hash.crypt(userPassword, Salt.getCryptSalt(crypted)).equals(crypted);
            } else if (isMd5Scheme()) {
                return Hash.md5(userPassword).equals(crypted);
            } else if (isSmd5Scheme()) {
                return Hash.smd5(userPassword, Salt.getSmd5Salt(crypted)).equals(crypted);
            } else if (isShaScheme()) {
                return Hash.sha(userPassword).equals(crypted);
            } else if (isSshaScheme()) {
                return Hash.ssha(userPassword, Salt.getSshaSalt(crypted)).equals(crypted);
            }
            return false;
        }

        public boolean equals(Object obj) {
            if (obj == null) return false;
            else if (obj instanceof String) {
                String pw = (String)obj;
                if (isNormalizedFormat(pw)) {
                    return strEquals(getNormalized(), pw);
                } else return validate((String)obj);
            } else if (obj instanceof Password) {
                return strEquals(getNormalized(), ((Password)obj).getNormalized());
            }
            throw new IllegalArgumentException("Ne peut comparer qu'avec une instance de "
                    + getClass() + " (obtenu une " + "instance de " + obj.getClass() + ")");
        }
    }

    // ------------------------------------------------------------------------
    public static class PasswordChecker {
        public PasswordChecker(int minLen, int minUpper, int minLower, int minAlpha, int minNumber,
                int minSymbol, int minSpecial, boolean allowMultibytes) {
            this.minLen = minLen;
            this.minUpper = minUpper;
            this.minLower = minLower;
            this.minAlpha = minAlpha;
            this.minNumber = minNumber;
            this.minSymbol = minSymbol;
            this.minSpecial = minSpecial;
            this.allowMultibytes = allowMultibytes;
        }

        public PasswordChecker() {
            this(MIN_LEN, MIN_UPPER, MIN_LOWER, MIN_ALPHA, MIN_NUMBER, MIN_SYMBOL, MIN_SPECIAL,
                    ALLOW_MULTIBYTES);
        }

        private int minLen;

        public int getMinLen() {
            return minLen;
        }

        public void setMinLen(int minLen) {
            this.minLen = minLen;
        }

        private int minUpper;

        public int getMinUpper() {
            return minUpper;
        }

        public void setMinUpper(int minUpper) {
            this.minUpper = minUpper;
        }

        private int minLower;

        public int getMinLower() {
            return minLower;
        }

        public void setMinLower(int minLower) {
            this.minLower = minLower;
        }

        private int minAlpha;

        public int getMinAlpha() {
            return minAlpha;
        }

        public void setMinAlpha(int minAlpha) {
            this.minAlpha = minAlpha;
        }

        private int minNumber;

        public int getMinNumber() {
            return minNumber;
        }

        public void setMinNumber(int minNumber) {
            this.minNumber = minNumber;
        }

        private int minSymbol;

        public int getMinSymbol() {
            return minSymbol;
        }

        public void setMinSymbol(int minSymbol) {
            this.minSymbol = minSymbol;
        }

        private int minSpecial;

        public int getMinSpecial() {
            return minSpecial;
        }

        public void setMinSpecial(int minSpecial) {
            this.minSpecial = minSpecial;
        }

        private boolean allowMultibytes;

        public boolean isAllowMultibytes() {
            return allowMultibytes;
        }

        public void setAllowMultibytes(boolean allowMultibytes) {
            this.allowMultibytes = allowMultibytes;
        }

        /**
         * Obtenir une description des caractéristiques du mot de passe. La chaine retournée est de
         * la forme '$prefix doit faire au moins N caractères, et contenir au moins 2 lettres, 2
         * chiffres ou caractères spéciaux'.
         * <p>
         * Les valeurs actualXxx sont les nombres effectifs de caractères de chaque classe, ou -1 si
         * leur valeur doit être ignorée. Si le nombre effectif est satisfaisant, cette
         * caractéristique n'est pas mentionnée. hasMultibytes==<code>true</code> si le mot de passe
         * contient des caractères qui doivent être encodés sur plusieurs octets en UTF-8.
         * </p>
         */
        public String getQualityDescription(String prefix, int actualLen, int actualUpper,
                int actualLower, int actualAlpha, int actualNumber, int actualSymbol,
                int actualSpecial, boolean hasMultibytes) {
            if (prefix == null) prefix = "Le mot de passe";
            if (minLen <= 0 && minUpper <= 0 && minLower <= 0 && minAlpha <= 0 && minNumber <= 0
                    && minSymbol <= 0 && minSpecial <= 0 && allowMultibytes) {
                return prefix + " n'as pas de restrictions particulières";
            }
            StringBuilder sb = new StringBuilder();
            sb.append(prefix);
            boolean mb = false;
            if (!allowMultibytes && hasMultibytes) {
                sb.append(" ne doit pas contenir de caractères accentués");
                mb = true;
            }
            if (mb) sb.append(", doit ");
            else sb.append(" doit ");
            String ccPrefix;
            if (minLen > 0 && (actualLen == -1 || actualLen < minLen)) {
                sb.append("faire au moins ");
                sb.append(minLen);
                sb.append(" caractères");
                ccPrefix = ", et contenir au moins";
            } else {
                sb.append("contenir au moins");
                ccPrefix = "";
            }
            boolean first = true;
            if (minUpper > 0 && (actualUpper == -1 || actualUpper < minUpper)) {
                if (first) sb.append(ccPrefix);
                else sb.append(",");
                sb.append(" ");
                sb.append(minUpper);
                if (minUpper > 1) sb.append(" lettres majuscules");
                else sb.append(" lettre majuscule");
                first = false;
            }
            if (minLower > 0 && (actualLower == -1 || actualLower < minLower)) {
                if (first) sb.append(ccPrefix);
                else sb.append(",");
                sb.append(" ");
                sb.append(minLower);
                if (minLower > 1) sb.append(" lettres minuscules");
                else sb.append(" lettre minuscule");
                first = false;
            }
            if (minAlpha > 0 && (actualAlpha == -1 || actualAlpha < minAlpha)) {
                if (first) sb.append(ccPrefix);
                else sb.append(",");
                sb.append(" ");
                sb.append(minAlpha);
                if (minAlpha > 1) sb.append(" lettres");
                else sb.append(" lettre");
                first = false;
            }
            if (minNumber > 0 && (actualNumber == -1 || actualNumber < minNumber)) {
                if (first) sb.append(ccPrefix);
                else sb.append(",");
                sb.append(" ");
                sb.append(minNumber);
                if (minNumber > 1) sb.append(" chiffres");
                else sb.append(" chiffre");
                first = false;
            }
            if (minSymbol > 0 && (actualSymbol == -1 || actualSymbol < minSymbol)) {
                if (first) sb.append(ccPrefix);
                else sb.append(",");
                sb.append(" ");
                sb.append(minSymbol);
                if (minSymbol > 1) sb.append(" caractères spéciaux");
                else sb.append(" caractère spécial");
                first = false;
            }
            if (minSpecial > 0 && (actualSpecial == -1 || actualSpecial < minSpecial)) {
                if (first) sb.append(ccPrefix);
                else sb.append(",");
                sb.append(" ");
                sb.append(minSpecial);
                if (minSpecial > 1) sb.append(" chiffres ou caractères spéciaux");
                else sb.append(" chiffre ou caractère spécial");
                first = false;
            }
            return sb.toString();
        }

        public String getQualityDescription(String prefix) {
            return getQualityDescription(prefix, -1, -1, -1, -1, -1, -1, -1, false);
        }

        private static final Pattern RE_NOT_UPPER = Pattern.compile("[^A-Z]");

        private static final Pattern RE_NOT_LOWER = Pattern.compile("[^a-z]");

        private static final Pattern RE_NOT_ALPHA = Pattern.compile("[^a-zA-Z]");

        private static final Pattern RE_NOT_NUMBER = Pattern.compile("[^0-9]");

        private static final Pattern RE_NOT_SYMBOL = Pattern.compile("[a-zA-Z0-9]");

        private static final Pattern RE_NOT_SPECIAL = Pattern.compile("[a-zA-Z]");

        /**
         * Vérifier que le mot de spécifié est de qualité.
         * 
         * @return null si le mot de passe est correct. Sinon, retourner un message qui indique ce
         *         qui ne va pas.
         */
        public String validateQuality(String password) {
            password = strNotnull(password);
            String upper = RE_NOT_UPPER.matcher(password).replaceAll("");
            String lower = RE_NOT_LOWER.matcher(password).replaceAll("");
            String alpha = RE_NOT_ALPHA.matcher(password).replaceAll("");
            String number = RE_NOT_NUMBER.matcher(password).replaceAll("");
            String symbol = RE_NOT_SYMBOL.matcher(password).replaceAll("");
            String special = RE_NOT_SPECIAL.matcher(password).replaceAll("");
            int nbChars = password.length();
            int nbBytes;
            try {
                byte[] passwordBytes = password.getBytes(UTF_8);
                nbBytes = passwordBytes.length;
            } catch (UnsupportedEncodingException e) {
                nbBytes = 0;
            }
            boolean hasMultibytes = nbChars != nbBytes;
            String qualityDescription = getQualityDescription(
                    "Il",
                    password.length(),
                    upper.length(),
                    lower.length(),
                    alpha.length(),
                    number.length(),
                    symbol.length(),
                    special.length(),
                    hasMultibytes);
            if (password.length() < minLen) {
                return "Votre mot de passe est trop court (" + qualityDescription + ")";
            }
            if (!allowMultibytes && hasMultibytes) {
                return "Votre mot de passe ne convient pas (" + qualityDescription + ")";
            }
            if (upper.length() < minUpper || lower.length() < minLower || alpha.length() < minAlpha
                    || number.length() < minNumber || symbol.length() < minSymbol
                    || special.length() < minSpecial) {
                return "Votre mot de passe est trop simple (" + qualityDescription + ")";
            }
            return null;
        }
    }

    // ------------------------------------------------------------------------
    public static class PasswordGenerator {
        public static final String UPPER = "AZERTYUIOPQSDFGHJKLMWXCVBN",
                LOWER = "azertyuiopqsdfghjklmwxcvbn", NUMBERS = "1234567890",
                SYMBOLS = "&\"'(-_)=^$*!:;,?./%+#{[|\\]}";

        public static final String[] DEFAULT_SECTIONS = new String[] {
                UPPER,
                LOWER,
                NUMBERS,
                SYMBOLS};

        public static final int[] DEFAULT_MIN_COUNTS = new int[] {2, 2, 2, 1};

        private static final Random DEFAULT_RAND = new Random();

        private static final PasswordGenerator instance = new PasswordGenerator();

        public static PasswordGenerator getInstance() {
            return instance;
        }

        public static final String generate(int minLen, String[] sections, int[] minCounts,
                Random rand) {
            if (sections == null) sections = DEFAULT_SECTIONS;
            if (minCounts == null) minCounts = new int[sections.length];
            if (sections.length != minCounts.length) {
                throw new IllegalArgumentException("Les tableaux sections et minCounts "
                        + "doivent faire la même taille");
            } else {
                int[] tmp = new int[minCounts.length];
                System.arraycopy(minCounts, 0, tmp, 0, minCounts.length);
                minCounts = tmp;
            }
            StringBuffer sb = new StringBuffer();
            int i = 0;
            while (true) {
                int index;
                do {
                    index = rand.nextInt(sections.length);
                } while (minCounts[index] <= 0);
                String section = sections[index];
                sb.append(section.charAt(rand.nextInt(section.length())));
                minCounts[index]--;
                i++;
                boolean done = true;
                for (int j = 0; j < minCounts.length; j++) {
                    if (minCounts[j] > 0) {
                        done = false;
                        break;
                    }
                }
                if (done) break;
            }
            while (sb.length() < minLen) {
                String section = sections[rand.nextInt(sections.length)];
                sb.append(section.charAt(rand.nextInt(section.length())));
            }
            return sb.toString();
        }

        public static final String generate(int minLen, String[] sections, int[] minCounts) {
            return generate(minLen, sections, minCounts, DEFAULT_RAND);
        }

        public static final String generate(int minLen, int maxLen, String[] sections,
                int[] minCounts, Random rand) {
            int len;
            if (minLen > maxLen) {
                len = minLen;
                minLen = maxLen;
                maxLen = len;
            }
            if (minLen == maxLen) len = minLen;
            else len = rand.nextInt(maxLen - minLen) + minLen;
            return generate(len, sections, minCounts);
        }

        public static final String generate(int minLen, int maxLen, String[] sections,
                int[] minCounts) {
            return generate(minLen, maxLen, sections, minCounts, DEFAULT_RAND);
        }

        public static final String generate(int len, String[] sections, Random rand) {
            StringBuffer sb = new StringBuffer();
            for (int i = 0; i < len; i++) {
                String section = sections[rand.nextInt(sections.length)];
                sb.append(section.charAt(rand.nextInt(section.length())));
            }
            return sb.toString();
        }

        public static final String generate(int len, String[] sections) {
            return generate(len, sections, DEFAULT_RAND);
        }

        public static final String generate(int minLen, int maxLen, String[] sections, Random rand) {
            int len;
            if (minLen > maxLen) {
                len = minLen;
                minLen = maxLen;
                maxLen = len;
            }
            if (minLen == maxLen) len = minLen;
            else len = rand.nextInt(maxLen - minLen) + minLen;
            return generate(len, sections);
        }

        public static final String generate(int minLen, int maxLen, String[] sections) {
            return generate(minLen, maxLen, sections, DEFAULT_RAND);
        }

        public PasswordGenerator(int minLen, String[] sections, int[] minCounts, Random rand) {
            setMinLen(minLen);
            setSections(sections);
            setMinCounts(minCounts);
            setRand(rand);
        }

        public PasswordGenerator() {
            this(-1, null, null, null);
        }

        private int minLen;

        public int getMinLen() {
            return minLen;
        }

        public void setMinLen(int minLen) {
            if (minLen < 0) minLen = MIN_LEN;
            this.minLen = minLen;
        }

        private String[] sections;

        public String[] getSections() {
            return sections;
        }

        public void setSections(String[] sections) {
            if (sections == null) sections = DEFAULT_SECTIONS;
            this.sections = sections;
        }

        private int[] minCounts;

        public int[] getMinCounts() {
            return minCounts;
        }

        public void setMinCounts(int[] minCounts) {
            if (minCounts == null) minCounts = DEFAULT_MIN_COUNTS;
            this.minCounts = minCounts;
        }

        private Random rand;

        public Random getRand() {
            return rand;
        }

        public void setRand(Random rand) {
            if (rand == null) rand = DEFAULT_RAND;
            this.rand = rand;
        }

        public String generate() {
            return generate(minLen, sections, minCounts, rand);
        }

        public String generate(int maxLen) {
            return generate(minLen, maxLen, sections, minCounts, rand);
        }
    }

    // ------------------------------------------------------------------------
    public static class AESEnc {
        private static final String AES = "AES";

        private static final String CIPHER = "AES/ECB/PKCS5Padding";

        public static final byte[] genkey() throws Exception {
            KeyGenerator kg = KeyGenerator.getInstance(AES);
            kg.init(new SecureRandom());
            SecretKey key = kg.generateKey();
            return key.getEncoded();
        }

        public static final String genskey() throws Exception {
            return Base64.encodeBytes(genkey());
        }

        public static final byte[] genkey(String password, byte[] salt, int iterations)
                throws Exception {
            if (salt == null) salt = Salt.getInstance().newBinarySalt();
            if (iterations <= 0) iterations = 10000;
            SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
            SecretKey tmp = factory.generateSecret(new PBEKeySpec(password.toCharArray(), salt,
                    iterations, 128));
            SecretKeySpec key = new SecretKeySpec(tmp.getEncoded(), AES);
            return key.getEncoded();
        }

        public static final byte[] genkey(String password) throws Exception {
            return genkey(password, null, -1);
        }

        public static final String genskey(String password, byte[] salt, int iterations)
                throws Exception {
            return Base64.encodeBytes(genkey(password, salt, iterations));
        }

        public static final String genskey(String password) throws Exception {
            return Base64.encodeBytes(genkey(password));
        }

        public static final byte[] getKey(String skey) {
            return Base64.decode(skey);
        }

        public static final String getSkey(byte[] key) {
            return Base64.encodeBytes(key, Base64.DONT_BREAK_LINES);
        }

        public static final byte[] encrypt(byte[] clear, byte[] key) throws Exception {
            if (clear == null) return null;
            if (key == null) throw new NullPointerException("key is required");

            Cipher aes = Cipher.getInstance(CIPHER);
            aes.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key, AES));
            return aes.doFinal(clear);
        }

        public static final String sencrypt(String sclear, byte[] key) throws Exception {
            if (sclear == null) return null;
            byte[] input = sclear.getBytes(UTF_8);
            byte[] output = encrypt(input, key);
            return Base64.encodeBytes(output, Base64.DONT_BREAK_LINES);
        }

        public static final String sencrypt(String sclear, String skey) throws Exception {
            return sencrypt(sclear, getKey(skey));
        }

        public static final byte[] decrypt(byte[] crypted, byte[] key) throws Exception {
            if (crypted == null) return null;
            if (key == null) throw new NullPointerException("key is required");

            Cipher aes = Cipher.getInstance(CIPHER);
            aes.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key, AES));
            return aes.doFinal(crypted);
        }

        public static final String sdecrypt(String scrypted, byte[] key) throws Exception {
            if (scrypted == null) return null;
            byte[] input = Base64.decode(scrypted);
            byte[] output = decrypt(input, key);
            return new String(output, UTF_8);
        }

        public static final String sdecrypt(String scrypted, String skey) throws Exception {
            return sdecrypt(scrypted, getKey(skey));
        }
    }

    // ------------------------------------------------------------------------

    private Password getPasswordAnySalt(String clear, String scheme, final String anySalt) {
        return new Password(clear, scheme) {
            @Override
            protected String randomCryptSalt() {
                String salt = Salt.getCryptSalt(anySalt);
                if (salt == null) salt = super.randomCryptSalt();
                return salt;
            }

            @Override
            protected byte[] randomBinarySalt() {
                byte[] salt = null;
                if (isSshaScheme()) salt = Salt.getSshaSalt(anySalt);
                else if (isSmd5Scheme()) salt = Salt.getSmd5Salt(anySalt);
                if (salt == null) salt = super.randomBinarySalt();
                return salt;
            }
        };
    }

    private Password getPasswordCryptSalt(String clear, String scheme, final String cryptSalt) {
        return new Password(clear, scheme) {
            @Override
            protected String randomCryptSalt() {
                String salt = cryptSalt;
                if (salt == null) salt = super.randomCryptSalt();
                return salt;
            }
        };
    }

    private Password getPasswordBinarySalt(String clear, String scheme, final byte[] binarySalt) {
        return new Password(clear, scheme) {
            @Override
            protected byte[] randomBinarySalt() {
                byte[] salt = binarySalt;
                if (salt == null) salt = super.randomBinarySalt();
                return salt;
            }
        };
    }

    private static final void die(String msg, Exception e) {
        if (msg != null) System.err.println(msg);
        if (e != null) e.printStackTrace(System.err);
        System.err.flush();
        System.exit(1);
    }

    // actions
    private static enum EAction {
        HASH_PASSWORD, GEN_AESKEY, SHOW_AESKEY, AES_ENCRYPT, AES_DECRYPT;
    }

    private static final void checkExisting(String aeskeyfile) {
        if (aeskeyfile == null) die("Vous devez spécifier l'option -f", null);
        if (!new File(aeskeyfile).exists()) die(aeskeyfile + ": Fichier introuvable", null);
    }

    private static final byte[] readAeskeyfile(String aeskeyfile) {
        if (aeskeyfile == null) return null;
        byte[] aeskey = null;
        try {
            FileInputStream fis = new FileInputStream(aeskeyfile);
            try {
                aeskey = new byte[16];
                fis.read(aeskey);
            } finally {
                fis.close();
            }
        } catch (Exception e) {
            die(null, e);
        }
        return aeskey;
    }

    private static final void writeAeskeyfile(String aeskeyfile, byte[] key) {
        if (aeskeyfile == null) return;
        try {
            FileOutputStream fis = new FileOutputStream(aeskeyfile);
            try {
                fis.write(key);
            } finally {
                fis.close();
            }
        } catch (Exception e) {
            die(null, e);
        }
    }

    private void run(String[] args) {
        if (args.length == 1 && strEquals(args[0], "--help")) {
            println("USAGE:" //
                    + "\n    upassword -p [-f aeskeyfile] [clear [salts...]]"
                    + "\n    upassword -f aeskeyfile -G [password [salt]]"
                    + "\n    upassword -f aeskeyfile -s"
                    + "\n    upassword -f aeskeyfile -e clear"
                    + "\n    upassword -f aeskeyfile -d crypted");
            System.exit(0);
        }

        EAction action = EAction.HASH_PASSWORD;
        String aeskeyfile = null;
        int i = 0, max = args.length;
        while (i < args.length) {
            String arg = args[i];
            if (arg.equals("-p")) {
                action = EAction.HASH_PASSWORD;
                i++;
            } else if (arg.equals("-G")) {
                action = EAction.GEN_AESKEY;
                i++;
            } else if (arg.equals("-s")) {
                action = EAction.SHOW_AESKEY;
                i++;
            } else if (arg.equals("-e")) {
                action = EAction.AES_ENCRYPT;
                i++;
            } else if (arg.equals("-d")) {
                action = EAction.AES_DECRYPT;
                i++;
            } else if (arg.substring(0, 2).equals("-f")) {
                int shift = 1;
                if (arg.equals("-f")) {
                    if (args.length > i + 1) {
                        aeskeyfile = args[i + 1];
                        shift = 2;
                    }
                } else {
                    aeskeyfile = arg.substring(2);
                }
                i += shift;
            } else {
                String[] newargs = new String[args.length - i];
                System.arraycopy(args, i, newargs, 0, newargs.length);
                args = newargs;
                break;
            }
        }

        switch (action) {
        case HASH_PASSWORD: {
            byte[] aeskey = readAeskeyfile(aeskeyfile);

            String clear = null;
            if (args.length > 0) clear = args[0];

            if (clear == null) {
                PasswordGenerator pg = new PasswordGenerator();
                clear = pg.generate();
            }

            if (args.length <= 1) {
                // Pas de salt, afficher simplement les versions cryptées des mots
                // de passe pour tous les schemes. Le salt est choisi au hasard pour
                // chaque mot de passe. Il est donc différent à chaque fois.
                Password p = getPasswordAnySalt(clear, null, null);
                String lm = null;
                String ntlm = null;
                try {
                    lm = p.getLmHash();
                    ntlm = p.getNtlmHash();
                } catch (Password.NotAvailableException e) {
                }
                String crypt = getPasswordAnySalt(clear, Password.CRYPT, null).getNormalized();
                String sha = getPasswordAnySalt(clear, Password.SHA, null).getNormalized();
                String ssha = getPasswordAnySalt(clear, Password.SSHA, null).getNormalized();
                String md5 = getPasswordAnySalt(clear, Password.MD5, null).getNormalized();
                String smd5 = getPasswordAnySalt(clear, Password.SMD5, null).getNormalized();
                String aes = null;
                if (aeskey != null) {
                    try {
                        aes = AESEnc.sencrypt(clear, aeskey);
                    } catch (Exception e) {
                        die("Impossible de crypter avec AES", e);
                    }
                }

                println("clear: " + clear);
                println("lm:    " + lm);
                println("ntlm:  " + ntlm);
                println("crypt: " + crypt);
                println("sha:   " + sha);
                println("ssha:  " + ssha);
                println("md5:   " + md5);
                println("smd5:  " + smd5);
                if (aes != null) println("aes:   " + aes);
            } else {
                // Afficher uniquement les versions cryptées des mots de passe avec
                // les schemes correspondant aux salts spécifiés, pour chacun des
                // salts spécifiés.
                println("clear: " + clear);
                i = 1;
                max = args.length;
                while (i < max) {
                    String salt = args[i++];
                    if (Password.isNormalizedFormat(salt)) {
                        if (Password.isCryptScheme(salt)) {
                            String cryptSalt = Salt.getCryptSalt(salt);
                            String crypt = getPasswordCryptSalt(clear, Password.CRYPT, cryptSalt)
                                    .getNormalized();
                            println("salt:  " + cryptSalt);
                            println("crypt: " + crypt);
                        } else if (Password.isSshaScheme(salt)) {
                            byte[] sshaSalt = Salt.getSshaSalt(salt);
                            String ssha = getPasswordBinarySalt(clear, Password.SSHA, sshaSalt)
                                    .getNormalized();
                            println("salt:  " + toHex(sshaSalt));
                            println("ssha:  " + ssha);
                        } else if (Password.isSmd5Scheme(salt)) {
                            byte[] smd5Salt = Salt.getSmd5Salt(salt);
                            String smd5 = getPasswordBinarySalt(clear, Password.SMD5, smd5Salt)
                                    .getNormalized();
                            println("salt:  " + toHex(smd5Salt));
                            println("smd5:  " + smd5);
                        } else {
                            println("salt:  " + salt + " !not supported");
                        }
                    } else if (isHex(salt)) {
                        byte[] binarySalt = fromHex(salt);
                        String ssha = getPasswordBinarySalt(clear, Password.SSHA, binarySalt)
                                .getNormalized();
                        String smd5 = getPasswordBinarySalt(clear, Password.SMD5, binarySalt)
                                .getNormalized();
                        println("salt:  " + toHex(binarySalt));
                        println("ssha:  " + ssha);
                        println("smd5:  " + smd5);
                        if (salt.length() >= 2) {
                            String cryptSalt = Salt.getCryptSalt(salt);
                            String crypt = getPasswordCryptSalt(clear, Password.CRYPT, cryptSalt)
                                    .getNormalized();
                            if (!salt.equals(cryptSalt)) println("salt:  " + cryptSalt);
                            println("crypt: " + crypt);
                        }
                    } else {
                        String cryptSalt = Salt.getCryptSalt(salt);
                        String crypt = getPasswordCryptSalt(clear, Password.CRYPT, cryptSalt)
                                .getNormalized();
                        println("salt:  " + cryptSalt);
                        println("crypt: " + crypt);
                    }
                }
            }
            break;
        }

        case GEN_AESKEY: {
            if (aeskeyfile == null) die("Vous devez spécifier l'option -f", null);
            if (new File(aeskeyfile).exists()) {
                die(aeskeyfile + ": Refus d'écraser un fichier existant", null);
            }

            String password = null;
            if (args.length > 0) password = args[0];
            String salt = null;
            if (args.length > 1) salt = args[1];

            byte[] key = null;
            try {
                if (password != null && salt != null) {
                    key = AESEnc.genkey();
                } else {
                    key = AESEnc.genkey(password, salt.getBytes(UTF_8), -1);
                }
            } catch (Exception e) {
                die(null, e);
            }
            writeAeskeyfile(aeskeyfile, key);

            break;
        }

        case SHOW_AESKEY: {
            checkExisting(aeskeyfile);
            byte[] key = readAeskeyfile(aeskeyfile);
            println(AESEnc.getSkey(key));
            break;
        }

        case AES_ENCRYPT: {
            checkExisting(aeskeyfile);
            byte[] key = readAeskeyfile(aeskeyfile);
            String sclear = null;
            if (args.length > 0) sclear = args[0];
            if (sclear != null) {
                try {
                    println(AESEnc.sencrypt(sclear, key));
                } catch (Exception e) {
                    die(null, e);
                }
            }
            break;
        }

        case AES_DECRYPT: {
            checkExisting(aeskeyfile);
            byte[] key = readAeskeyfile(aeskeyfile);
            String scrypted = null;
            if (args.length > 0) scrypted = args[0];
            if (scrypted != null) {
                try {
                    println(AESEnc.sdecrypt(scrypted, key));
                } catch (Exception e) {
                    die(null, e);
                }
            }
            break;
        }
        }
    }

    public static void main(String[] args) {
        new upassword().run(args);
    }
}