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数据库密码加密公用秘要生成器，数据库密码加密解密入口
public class Encryptor { public static final String HUNDSUN_VERSION="@system 管理平台 @version 2.0.1 @lastModiDate @describe "; protected static final int BLOCK_SIZE = 8; private int[] workingKey = null; private byte[] userkey = null; /** * standard constructor. */ public Encryptor(byte[] userkey) { this.userkey = userkey; } /** * initialise a DES cipher. * * @param forEncryption whether or not we are for encryption. * @param params the parameters required to set up the cipher. * @exception IllegalArgumentException if the params argument is * inappropriate. */ public void init(boolean encrypting, byte[] key) { if (key != null) { workingKey = generateWorkingKey(encrypting, key); return; } else { throw new IllegalArgumentException( "invalid parameter passed to DES init - "); } } public int getBlockSize() { return BLOCK_SIZE; } /** * <p>it used to check the parameters and then call desfun()</p> */ public int processBlock( byte[] in, int inOff, byte[] out, int outOff) { if (workingKey == null) { throw new IllegalStateException("DES engine not initialised"); } if ( (inOff + BLOCK_SIZE) > in.length) { throw new IllegalStateException("input buffer too short"); } if ( (outOff + BLOCK_SIZE) > out.length) { throw new IllegalStateException("output buffer too short"); } desFunc(workingKey, in, inOff, out, outOff); return BLOCK_SIZE; } /** * what follows is mainly taken from "Applied Cryptography", by * Bruce Schneier, however it also bears great resemblance to Richard * Outerbridge‘s D3DES... */ static short[] Df_Key = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67 }; static short[] bytebit = { 0200, 0100, 040, 020, 010, 04, 02, 01 }; static int[] bigbyte = { 0x800000, 0x400000, 0x200000, 0x100000, 0x80000, 0x40000, 0x20000, 0x10000, 0x8000, 0x4000, 0x2000, 0x1000, 0x800, 0x400, 0x200, 0x100, 0x80, 0x40, 0x20, 0x10, 0x8, 0x4, 0x2, 0x1 }; /* * Use the key schedule specified in the Standard (ANSI X3.92-1981). */ static byte[] pc1 = { 56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 }; static byte[] totrot = { 1, 2, 4, 6, 8, 10, 12, 14, 15, 17, 19, 21, 23, 25, 27, 28 }; static byte[] pc2 = { 13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9, 22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1, 40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47, 43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 }; 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 }; 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 }; 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 }; 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 }; 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 }; 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 }; 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 }; 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 }; /** * generate an integer based working key based on our secret key * and what we processing we are planning to do. * * Acknowledgements for this routine go to James Gillogly & Phil Karn. * (whoever, and wherever they are!). */ protected int[] generateWorkingKey( boolean encrypting, byte[] key) { int[] newKey = new int[32]; boolean[] pc1m = new boolean[56], pcr = new boolean[56]; for (int j = 0; j < 56; j++) { int l = pc1[j]; pc1m[j] = ( (key[l >>> 3] & bytebit[l & 07]) != 0); } for (int i = 0; i < 16; i++) { int l, m, n; if (encrypting) { m = i << 1; } else { m = (15 - i) << 1; } n = m + 1; newKey[m] = newKey[n] = 0; for (int j = 0; j < 28; j++) { l = j + totrot[i]; if (l < 28) { pcr[j] = pc1m[l]; } else { pcr[j] = pc1m[l - 28]; } } for (int j = 28; j < 56; j++) { l = j + totrot[i]; if (l < 56) { pcr[j] = pc1m[l]; } else { pcr[j] = pc1m[l - 28]; } } for (int j = 0; j < 24; j++) { if (pcr[pc2[j]]) { newKey[m] |= bigbyte[j]; } if (pcr[pc2[j + 24]]) { newKey[n] |= bigbyte[j]; } } } // // store the processed key // for (int i = 0; i != 32; i += 2) { int i1, i2; i1 = newKey[i]; i2 = newKey[i + 1]; newKey[i] = ( (i1 & 0x00fc0000) << 6) | ( (i1 & 0x00000fc0) << 10) | ( (i2 & 0x00fc0000) >>> 10) | ( (i2 & 0x00000fc0) >>> 6); newKey[i + 1] = ( (i1 & 0x0003f000) << 12) | ( (i1 & 0x0000003f) << 16) | ( (i2 & 0x0003f000) >>> 4) | (i2 & 0x0000003f); } return newKey; } /** * the DES engine. */ protected void desFunc( int[] wKey, byte[] in, int inOff, byte[] out, int outOff) { int work, right, left; left = (in[inOff + 0] & 0xff) << 24; left |= (in[inOff + 1] & 0xff) << 16; left |= (in[inOff + 2] & 0xff) << 8; left |= (in[inOff + 3] & 0xff); right = (in[inOff + 4] & 0xff) << 24; right |= (in[inOff + 5] & 0xff) << 16; right |= (in[inOff + 6] & 0xff) << 8; right |= (in[inOff + 7] & 0xff); work = ( (left >>> 4) ^ right) & 0x0f0f0f0f; right ^= work; left ^= (work << 4); work = ( (left >>> 16) ^ right) & 0x0000ffff; right ^= work; left ^= (work << 16); work = ( (right >>> 2) ^ left) & 0x33333333; left ^= work; right ^= (work << 2); work = ( (right >>> 8) ^ left) & 0x00ff00ff; left ^= work; right ^= (work << 8); right = ( (right << 1) | ( (right >>> 31) & 1)) & 0xffffffff; work = (left ^ right) & 0xaaaaaaaa; left ^= work; right ^= work; left = ( (left << 1) | ( (left >>> 31) & 1)) & 0xffffffff; for (int round = 0; round < 8; round++) { int fval; work = (right << 28) | (right >>> 4); work ^= wKey[round * 4 + 0]; fval = SP7[work & 0x3f]; fval |= SP5[ (work >>> 8) & 0x3f]; fval |= SP3[ (work >>> 16) & 0x3f]; fval |= SP1[ (work >>> 24) & 0x3f]; work = right ^ wKey[round * 4 + 1]; fval |= SP8[work & 0x3f]; fval |= SP6[ (work >>> 8) & 0x3f]; fval |= SP4[ (work >>> 16) & 0x3f]; fval |= SP2[ (work >>> 24) & 0x3f]; left ^= fval; work = (left << 28) | (left >>> 4); work ^= wKey[round * 4 + 2]; fval = SP7[work & 0x3f]; fval |= SP5[ (work >>> 8) & 0x3f]; fval |= SP3[ (work >>> 16) & 0x3f]; fval |= SP1[ (work >>> 24) & 0x3f]; work = left ^ wKey[round * 4 + 3]; fval |= SP8[work & 0x3f]; fval |= SP6[ (work >>> 8) & 0x3f]; fval |= SP4[ (work >>> 16) & 0x3f]; fval |= SP2[ (work >>> 24) & 0x3f]; right ^= fval; } right = (right << 31) | (right >>> 1); work = (left ^ right) & 0xaaaaaaaa; left ^= work; right ^= work; left = (left << 31) | (left >>> 1); work = ( (left >>> 8) ^ right) & 0x00ff00ff; right ^= work; left ^= (work << 8); work = ( (left >>> 2) ^ right) & 0x33333333; right ^= work; left ^= (work << 2); work = ( (right >>> 16) ^ left) & 0x0000ffff; left ^= work; right ^= (work << 16); work = ( (right >>> 4) ^ left) & 0x0f0f0f0f; left ^= work; right ^= (work << 4); out[outOff + 0] = (byte) ( (right >>> 24) & 0xff); out[outOff + 1] = (byte) ( (right >>> 16) & 0xff); out[outOff + 2] = (byte) ( (right >>> 8) & 0xff); out[outOff + 3] = (byte) (right & 0xff); out[outOff + 4] = (byte) ( (left >>> 24) & 0xff); out[outOff + 5] = (byte) ( (left >>> 16) & 0xff); out[outOff + 6] = (byte) ( (left >>> 8) & 0xff); out[outOff + 7] = (byte) (left & 0xff); } /** * encrypt the data * @param byte[] * @return byte[] */ public byte[] encrypt(byte[] idata) { if(idata =http://www.mamicode.com/= null || idata.length == 0) { return null; } init(true, userkey); int processTimes = idata.length / BLOCK_SIZE; int leftdata = http://www.mamicode.com/idata.length % BLOCK_SIZE; int olen = 0; byte[] buf = new byte[BLOCK_SIZE * (processTimes + 1)]; for (int i = 0; i < processTimes; i++) { olen = i * BLOCK_SIZE; processBlock(idata, olen, buf, olen); } if(processTimes>0) //modified by jyh 20071211 olen += BLOCK_SIZE; if (leftdata != 0) { byte[] temp = new byte[BLOCK_SIZE]; for (int j = 0; j < leftdata; j++) { temp[j] = idata[j + olen]; } for (int k = leftdata; k < BLOCK_SIZE; k++) { //temp[k] = (byte) (BLOCK_SIZE - leftdata); //MODIFIED BY JYH 20080610 发现与后台unix端的加密算法不一致 temp[k] = ‘\0‘; } processBlock(temp, 0, buf, olen); olen += BLOCK_SIZE; } byte[] result = new byte[olen]; for (int j = 0; j < olen; j++) { result[j] = buf[j]; } return result; } /** * decrypt the data * @param byte[] * @return byte[] */ public byte[] decrypt(byte[] idata) { if (idata =http://www.mamicode.com/= null || idata.length == 0) { return null; } init(false, userkey); int processTimes = idata.length / BLOCK_SIZE; int leftdata = http://www.mamicode.com/idata.length % BLOCK_SIZE; if (leftdata != 0) { throw new IllegalStateException("input not BLOCK_SIZE times"); } int olen = 0; byte[] buf = new byte[idata.length]; for (int i = 0; i < processTimes; i++) { olen = i * BLOCK_SIZE; processBlock(idata, olen, buf, olen); } byte bt; for (int j = 1; j < BLOCK_SIZE; j++) { bt = buf[olen + j]; int k = j; for (; k < BLOCK_SIZE; k++) { if (bt != buf[olen + k]) { break; } } if (k == BLOCK_SIZE) { if (j == BLOCK_SIZE - bt) { olen = olen + j; break; } else if (j == BLOCK_SIZE - 1) { olen += BLOCK_SIZE; } } } byte[] odata = http://www.mamicode.com/new byte[olen]; for (int k = 0; k < olen; k++) { odata[k] = buf[k]; } return odata; }}
public class HsDes { /** * des加密 * @param arg * @return */ public static final String HUNDSUN_VERSION="@system 管理平台 @version 2.0.1 @lastModiDate @describe "; public static String enc(String arg){ //加密一段文本串 if(arg==null || arg.length()==0){ //如果为null或者空则加密对0x00处理 byte [] b={0x00}; arg =new String(new String(b)); //如果为空则返回空 } Encryptor enc=new Encryptor("HsAndMoe".getBytes()); return byte2hex( enc.encrypt(arg.getBytes())); } /** * des解密 * @param arg * @return */ public static String dec(String arg){ //加密一段文本串 if(arg==null || arg.length()==0){ //如果为null或者空则返回空串 return new String(); //跟unix端c一致 } Encryptor dec=new Encryptor("HsAndMoe".getBytes()); byte decByte[]=dec.decrypt(hex2byte(arg)); return byte2string(decByte); } /** * 由于java字符串没有结束符号,去掉0x00后转换成字符串 * @param decByte * @return */ public static String byte2string(byte[] decByte){ int len=0; for(int i=0;i<decByte.length;i++,len++){ //将结束符号0x00的去掉，然后再转成字符串， if(decByte[i]==0x00){ len=i; break; } } return len==0?new String():new String(decByte,0,len); } /** * 字节数组转换成16进制字符串 * @param b * @return */ public static String byte2hex(byte[] b) {//二行制转字符串 String hs=""; String stmp=""; for (int n=0;n<b.length;n++) { stmp=byteHEX(b[n]); hs=hs+stmp; } return hs; } public static String byteHEX(byte ib) { char[] Digit = { ‘0‘,‘1‘,‘2‘,‘3‘,‘4‘,‘5‘,‘6‘,‘7‘,‘8‘,‘9‘, ‘A‘,‘B‘,‘C‘,‘D‘,‘E‘,‘F‘ }; char [] ob = new char[2]; ob[0] = Digit[(ib >>> 4) & 0X0F]; ob[1] = Digit[ib & 0X0F]; String s = new String(ob); return s; } /** * 16进制字符串转换成字节数组 * @param hex * @return */ public static byte[] hex2byte(String hex) { int len = (hex.length() / 2); byte[] result = new byte[len]; char[] achar = hex.toCharArray(); for (int i = 0; i < len; i++) { int pos = i * 2; result[i] = (byte) (toByte(achar[pos]) << 4 | toByte(achar[pos + 1])); } return result; } private static byte toByte(char c) { byte b = (byte) "0123456789ABCDEF".indexOf(c); return b; } }
数据库密码加密公用秘要生成器，数据库密码加密解密入口
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