java的一种加解密方法

1、JSDES 一种java的加解密方法

private int[] des_createKeys(String beinetkey) {
int[] pc2bytes0 = {0, 0x4, 0x20000000, 0x20000004, 0x10000, 0x10004, 0x20010000, 0x20010004, 0x200, 0x204, 0x20000200, 0x20000204, 0x10200, 0x10204, 0x20010200, 0x20010204};
int[] pc2bytes1 = {0, 0x1, 0x100000, 0x100001, 0x4000000, 0x4000001, 0x4100000, 0x4100001, 0x100, 0x101, 0x100100, 0x100101, 0x4000100, 0x4000101, 0x4100100, 0x4100101};
int[] pc2bytes2 = {0, 0x8, 0x800, 0x808, 0x1000000, 0x1000008, 0x1000800, 0x1000808, 0, 0x8, 0x800, 0x808, 0x1000000, 0x1000008, 0x1000800, 0x1000808};
int[] pc2bytes3 = {0, 0x200000, 0x8000000, 0x8200000, 0x2000, 0x202000, 0x8002000, 0x8202000, 0x20000, 0x220000, 0x8020000, 0x8220000, 0x22000, 0x222000, 0x8022000, 0x8222000};
int[] pc2bytes4 = {0, 0x40000, 0x10, 0x40010, 0, 0x40000, 0x10, 0x40010, 0x1000, 0x41000, 0x1010, 0x41010, 0x1000, 0x41000, 0x1010, 0x41010};
int[] pc2bytes5 = {0, 0x400, 0x20, 0x420, 0, 0x400, 0x20, 0x420, 0x2000000, 0x2000400, 0x2000020, 0x2000420, 0x2000000, 0x2000400, 0x2000020, 0x2000420};
int[] pc2bytes6 = {0, 0x10000000, 0x80000, 0x10080000, 0x2, 0x10000002, 0x80002, 0x10080002, 0, 0x10000000, 0x80000, 0x10080000, 0x2, 0x10000002, 0x80002, 0x10080002};
int[] pc2bytes7 = {0, 0x10000, 0x800, 0x10800, 0x20000000, 0x20010000, 0x20000800, 0x20010800, 0x20000, 0x30000, 0x20800, 0x30800, 0x20020000, 0x20030000, 0x20020800, 0x20030800};
int[] pc2bytes8 = {0, 0x40000, 0, 0x40000, 0x2, 0x40002, 0x2, 0x40002, 0x2000000, 0x2040000, 0x2000000, 0x2040000, 0x2000002, 0x2040002, 0x2000002, 0x2040002};
int[] pc2bytes9 = {0, 0x10000000, 0x8, 0x10000008, 0, 0x10000000, 0x8, 0x10000008, 0x400, 0x10000400, 0x408, 0x10000408, 0x400, 0x10000400, 0x408, 0x10000408};
int[] pc2bytes10 = {0, 0x20, 0, 0x20, 0x100000, 0x100020, 0x100000, 0x100020, 0x2000, 0x2020, 0x2000, 0x2020, 0x102000, 0x102020, 0x102000, 0x102020};
int[] pc2bytes11 = {0, 0x1000000, 0x200, 0x1000200, 0x200000, 0x1200000, 0x200200, 0x1200200, 0x4000000, 0x5000000, 0x4000200, 0x5000200, 0x4200000, 0x5200000, 0x4200200, 0x5200200};
int[] pc2bytes12 = {0, 0x1000, 0x8000000, 0x8001000, 0x80000, 0x81000, 0x8080000, 0x8081000, 0x10, 0x1010, 0x8000010, 0x8001010, 0x80010, 0x81010, 0x8080010, 0x8081010};
int[] pc2bytes13 = {0, 0x4, 0x100, 0x104, 0, 0x4, 0x100, 0x104, 0x1, 0x5, 0x101, 0x105, 0x1, 0x5, 0x101, 0x105};

    int iterations = beinetkey.length() >= 24 ? 3 : 1;int[] keys = new int[32 * iterations];int[] shifts = {0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0};int left = 0, right = 0;int lefttemp = 0;int righttemp = 0;int m = 0, n = 0;int temp;for (int j = 0; j < iterations; j++) {int[] tmp = {0, 0, 0, 0, 0, 0, 0, 0};int pos = 24;int iTmp = 0;while (m < beinetkey.length() && iTmp < tmp.length) {if (pos < 0)pos = 24;tmp[iTmp++] = beinetkey.toCharArray()[m++] << pos;pos -= 8;}left = tmp[0] | tmp[1] | tmp[2] | tmp[3];right = tmp[4] | tmp[5] | tmp[6] | tmp[7];temp = ((left >>> 4) ^ right) & 0x0f0f0f0f;right ^= temp;left ^= (temp << 4);temp = ((right >>> -16) ^ left) & 0x0000ffff;left ^= temp;right ^= (temp << -16);temp = ((left >>> 2) ^ right) & 0x33333333;right ^= temp;left ^= (temp << 2);temp = ((right >>> -16) ^ left) & 0x0000ffff;left ^= temp;right ^= (temp << -16);temp = ((left >>> 1) ^ right) & 0x55555555;right ^= temp;left ^= (temp << 1);temp = ((right >>> 8) ^ left) & 0x00ff00ff;left ^= temp;right ^= (temp << 8);temp = ((left >>> 1) ^ right) & 0x55555555;right ^= temp;left ^= (temp << 1);temp = (left << 8) | ((right >>> 20) & 0x000000f0);left = (right << 24) | ((right << 8) & 0xff0000) | ((right >>> 8) & 0xff00) | ((right >>> 24) & 0xf0);right = temp;for (int i = 0; i < shifts.length; i++) {if (shifts[i] == 1) {left = (left << 2) | (left >>> 26);right = (right << 2) | (right >>> 26);} else {left = (left << 1) | (left >>> 27);right = (right << 1) | (right >>> 27);}left &= -0xf;right &= -0xf;lefttemp = pc2bytes0[(left >>> 28)] | pc2bytes1[(left >>> 24) & 0xf]| pc2bytes2[(left >>> 20) & 0xf] | pc2bytes3[(left >>> 16) & 0xf]| pc2bytes4[(left >>> 12) & 0xf] | pc2bytes5[(left >>> 8) & 0xf]| pc2bytes6[(left >>> 4) & 0xf];righttemp = pc2bytes7[(right >>> 28)] | pc2bytes8[(right >>> 24) & 0xf]| pc2bytes9[(right >>> 20) & 0xf] | pc2bytes10[(right >>> 16) & 0xf]| pc2bytes11[(right >>> 12) & 0xf] | pc2bytes12[(right >>> 8) & 0xf]| pc2bytes13[(right >>> 4) & 0xf];temp = ((righttemp >>> 16) ^ lefttemp) & 0x0000ffff;keys[n++] = lefttemp ^ temp;keys[n++] = righttemp ^ (temp << 16);}}return keys;
}private  String des(String beinetkey, String message, boolean encrypt, boolean mode, String iv) {long[] spfunction1 = {0x1010400, 0, 0x10000, 0x1010404, 0x1010004, 0x10404, 0x4, 0x10000, 0x400, 0x1010400, 0x1010404, 0x400, 0x1000404, 0x1010004, 0x1000000, 0x4, 0x404, 0x1000400, 0x1000400, 0x10400, 0x10400, 0x1010000, 0x1010000, 0x1000404, 0x10004, 0x1000004, 0x1000004, 0x10004, 0, 0x404, 0x10404, 0x1000000, 0x10000, 0x1010404, 0x4, 0x1010000, 0x1010400, 0x1000000, 0x1000000, 0x400, 0x1010004, 0x10000, 0x10400, 0x1000004, 0x400, 0x4, 0x1000404, 0x10404, 0x1010404, 0x10004, 0x1010000, 0x1000404, 0x1000004, 0x404, 0x10404, 0x1010400, 0x404, 0x1000400, 0x1000400, 0, 0x10004, 0x10400, 0, 0x1010004};long[] spfunction2 = {-0x7fef7fe0, -0x7fff8000, 0x8000, 0x108020, 0x100000, 0x20, -0x7fefffe0, -0x7fff7fe0, -0x7fffffe0, -0x7fef7fe0, -0x7fef8000, -0x80000000, -0x7fff8000, 0x100000, 0x20, -0x7fefffe0, 0x108000, 0x100020, -0x7fff7fe0, 0, -0x80000000, 0x8000, 0x108020, -0x7ff00000, 0x100020, -0x7fffffe0, 0, 0x108000, 0x8020, -0x7fef8000, -0x7ff00000, 0x8020, 0, 0x108020, -0x7fefffe0, 0x100000, -0x7fff7fe0, -0x7ff00000, -0x7fef8000, 0x8000, -0x7ff00000, -0x7fff8000, 0x20, -0x7fef7fe0, 0x108020, 0x20, 0x8000, -0x80000000, 0x8020, -0x7fef8000, 0x100000, -0x7fffffe0, 0x100020, -0x7fff7fe0, -0x7fffffe0, 0x100020, 0x108000, 0, -0x7fff8000, 0x8020, -0x80000000, -0x7fefffe0, -0x7fef7fe0, 0x108000};long[] spfunction3 = {0x208, 0x8020200, 0, 0x8020008, 0x8000200, 0, 0x20208, 0x8000200, 0x20008, 0x8000008, 0x8000008, 0x20000, 0x8020208, 0x20008, 0x8020000, 0x208, 0x8000000, 0x8, 0x8020200, 0x200, 0x20200, 0x8020000, 0x8020008, 0x20208, 0x8000208, 0x20200, 0x20000, 0x8000208, 0x8, 0x8020208, 0x200, 0x8000000, 0x8020200, 0x8000000, 0x20008, 0x208, 0x20000, 0x8020200, 0x8000200, 0, 0x200, 0x20008, 0x8020208, 0x8000200, 0x8000008, 0x200, 0, 0x8020008, 0x8000208, 0x20000, 0x8000000, 0x8020208, 0x8, 0x20208, 0x20200, 0x8000008, 0x8020000, 0x8000208, 0x208, 0x8020000, 0x20208, 0x8, 0x8020008, 0x20200};long[] spfunction4 = {0x802001, 0x2081, 0x2081, 0x80, 0x802080, 0x800081, 0x800001, 0x2001, 0, 0x802000, 0x802000, 0x802081, 0x81, 0, 0x800080, 0x800001, 0x1, 0x2000, 0x800000, 0x802001, 0x80, 0x800000, 0x2001, 0x2080, 0x800081, 0x1, 0x2080, 0x800080, 0x2000, 0x802080, 0x802081, 0x81, 0x800080, 0x800001, 0x802000, 0x802081, 0x81, 0, 0, 0x802000, 0x2080, 0x800080, 0x800081, 0x1, 0x802001, 0x2081, 0x2081, 0x80, 0x802081, 0x81, 0x1, 0x2000, 0x800001, 0x2001, 0x802080, 0x800081, 0x2001, 0x2080, 0x800000, 0x802001, 0x80, 0x800000, 0x2000, 0x802080};long[] spfunction5 = {0x100, 0x2080100, 0x2080000, 0x42000100, 0x80000, 0x100, 0x40000000, 0x2080000, 0x40080100, 0x80000, 0x2000100, 0x40080100, 0x42000100, 0x42080000, 0x80100, 0x40000000, 0x2000000, 0x40080000, 0x40080000, 0, 0x40000100, 0x42080100, 0x42080100, 0x2000100, 0x42080000, 0x40000100, 0, 0x42000000, 0x2080100, 0x2000000, 0x42000000, 0x80100, 0x80000, 0x42000100, 0x100, 0x2000000, 0x40000000, 0x2080000, 0x42000100, 0x40080100, 0x2000100, 0x40000000, 0x42080000, 0x2080100, 0x40080100, 0x100, 0x2000000, 0x42080000, 0x42080100, 0x80100, 0x42000000, 0x42080100, 0x2080000, 0, 0x40080000, 0x42000000, 0x80100, 0x2000100, 0x40000100, 0x80000, 0, 0x40080000, 0x2080100, 0x40000100};long[] spfunction6 = {0x20000010, 0x20400000, 0x4000, 0x20404010, 0x20400000, 0x10, 0x20404010, 0x400000, 0x20004000, 0x404010, 0x400000, 0x20000010, 0x400010, 0x20004000, 0x20000000, 0x4010, 0, 0x400010, 0x20004010, 0x4000, 0x404000, 0x20004010, 0x10, 0x20400010, 0x20400010, 0, 0x404010, 0x20404000, 0x4010, 0x404000, 0x20404000, 0x20000000, 0x20004000, 0x10, 0x20400010, 0x404000, 0x20404010, 0x400000, 0x4010, 0x20000010, 0x400000, 0x20004000, 0x20000000, 0x4010, 0x20000010, 0x20404010, 0x404000, 0x20400000, 0x404010, 0x20404000, 0, 0x20400010, 0x10, 0x4000, 0x20400000, 0x404010, 0x4000, 0x400010, 0x20004010, 0, 0x20404000, 0x20000000, 0x400010, 0x20004010};long[] spfunction7 = {0x200000, 0x4200002, 0x4000802, 0, 0x800, 0x4000802, 0x200802, 0x4200800, 0x4200802, 0x200000, 0, 0x4000002, 0x2, 0x4000000, 0x4200002, 0x802, 0x4000800, 0x200802, 0x200002, 0x4000800, 0x4000002, 0x4200000, 0x4200800, 0x200002, 0x4200000, 0x800, 0x802, 0x4200802, 0x200800, 0x2, 0x4000000, 0x200800, 0x4000000, 0x200800, 0x200000, 0x4000802, 0x4000802, 0x4200002, 0x4200002, 0x2, 0x200002, 0x4000000, 0x4000800, 0x200000, 0x4200800, 0x802, 0x200802, 0x4200800, 0x802, 0x4000002, 0x4200802, 0x4200000, 0x200800, 0, 0x2, 0x4200802, 0, 0x200802, 0x4200000, 0x800, 0x4000002, 0x4000800, 0x800, 0x200002};long[] spfunction8 = {0x10001040, 0x1000, 0x40000, 0x10041040, 0x10000000, 0x10001040, 0x40, 0x10000000, 0x40040, 0x10040000, 0x10041040, 0x41000, 0x10041000, 0x41040, 0x1000, 0x40, 0x10040000, 0x10000040, 0x10001000, 0x1040, 0x41000, 0x40040, 0x10040040, 0x10041000, 0x1040, 0, 0, 0x10040040, 0x10000040, 0x10001000, 0x41040, 0x40000, 0x41040, 0x40000, 0x10041000, 0x1000, 0x40, 0x10040040, 0x1000, 0x41040, 0x10001000, 0x40, 0x10000040, 0x10040000, 0x10040040, 0x10000000, 0x40000, 0x10001040, 0, 0x10041040, 0x40040, 0x10000040, 0x10040000, 0x10001000, 0x10001040, 0, 0x10041040, 0x41000, 0x41000, 0x1040, 0x1040, 0x40040, 0x10000000, 0x10041000};int[] keys = des_createKeys(beinetkey);int m = 0;int i, j;int temp, right1, right2, left, right;int[] looping;int cbcleft = 0, cbcleft2 = 0, cbcright = 0, cbcright2 = 0;int endloop;int loopinc;int len = message.length();int chunk = 0;int iterations = keys.length == 32 ? 3 : 9;if (iterations == 3) {looping = encrypt ? new int[]{0, 32, 2} : new int[]{30, -2, -2};} else {looping = encrypt ? new int[]{0, 32, 2, 62, 30, -2, 64, 96, 2} : new int[]{94, 62, -2, 32, 64, 2, 30, -2, -2};}if (encrypt) {message += "\0\0\0\0\0\0\0\0";}String result = "";String tempresult = "";if (mode) {int[] tmp = {0, 0, 0, 0, 0, 0, 0, 0};int pos = 24;int iTmp = 0;while (m < iv.length() && iTmp < tmp.length) {if (pos < 0)pos = 24;tmp[iTmp++] = iv.toCharArray()[m++] << pos;pos -= 8;}cbcleft = tmp[0] | tmp[1] | tmp[2] | tmp[3];cbcright = tmp[4] | tmp[5] | tmp[6] | tmp[7];m = 0;}while (m < len) {if (encrypt) {left = (message.toCharArray()[m++] << 16) | message.toCharArray()[m++];right = (message.toCharArray()[m++] << 16) | message.toCharArray()[m++];} else {left = (message.toCharArray()[m++] << 24) | (message.toCharArray()[m++] << 16) | (message.toCharArray()[m++] << 8) | message.toCharArray()[m++];right = (message.toCharArray()[m++] << 24) | (message.toCharArray()[m++] << 16) | (message.toCharArray()[m++] << 8) | message.toCharArray()[m++];}if (mode) {if (encrypt) {left ^= cbcleft;right ^= cbcright;} else {cbcleft2 = cbcleft;cbcright2 = cbcright;cbcleft = left;cbcright = right;}}temp = ((left >>> 4) ^ right) & 0x0f0f0f0f;right ^= temp;left ^= (temp << 4);temp = ((left >>> 16) ^ right) & 0x0000ffff;right ^= temp;left ^= (temp << 16);temp = ((right >>> 2) ^ left) & 0x33333333;left ^= temp;right ^= (temp << 2);temp = ((right >>> 8) ^ left) & 0x00ff00ff;left ^= temp;right ^= (temp << 8);temp = ((left >>> 1) ^ right) & 0x55555555;right ^= temp;left ^= (temp << 1);left = ((left << 1) | (left >>> 31));right = ((right << 1) | (right >>> 31));for (j = 0; j < iterations; j += 3) {endloop = looping[j + 1];loopinc = looping[j + 2];for (i = looping[j]; i != endloop; i += loopinc) {right1 = right ^ keys[i];right2 = ((right >>> 4) | (right << 28)) ^ keys[i + 1];temp = left;left = right;right = (int) (temp ^ (spfunction2[(right1 >>> 24) & 0x3f] | spfunction4[(right1 >>> 16) & 0x3f] | spfunction6[(right1 >>> 8) & 0x3f] | spfunction8[right1 & 0x3f] | spfunction1[(right2 >>> 24) & 0x3f] | spfunction3[(right2 >>> 16) & 0x3f] | spfunction5[(right2 >>> 8) & 0x3f] | spfunction7[right2 & 0x3f]));}temp = left;left = right;right = temp;}left = ((left >>> 1) | (left << 31));right = ((right >>> 1) | (right << 31));temp = ((left >>> 1) ^ right) & 0x55555555;right ^= temp;left ^= (temp << 1);temp = ((right >>> 8) ^ left) & 0x00ff00ff;left ^= temp;right ^= (temp << 8);temp = ((right >>> 2) ^ left) & 0x33333333;left ^= temp;right ^= (temp << 2);temp = ((left >>> 16) ^ right) & 0x0000ffff;right ^= temp;left ^= (temp << 16);temp = ((left >>> 4) ^ right) & 0x0f0f0f0f;right ^= temp;left ^= (temp << 4);if (mode) {if (encrypt) {cbcleft = left;cbcright = right;} else {left ^= cbcleft2;right ^= cbcright2;}}if (encrypt) {tempresult += new String(new char[]{(char) (left >>> 24),(char) ((left >>> 16) & 0xff),(char) ((left >>> 8) & 0xff),(char) (left & 0xff),(char) (right >>> 24),(char) ((right >>> 16) & 0xff),(char) ((right >>> 8) & 0xff),(char) (right & 0xff)});} else {int tmpch = ((left >>> 16) & 0xffff);if (tmpch != 0)tempresult += (char) tmpch;tmpch = (left & 0xffff);if (tmpch != 0)tempresult += (char) tmpch;tmpch = ((right >>> 16) & 0xffff);if (tmpch != 0)tempresult += (char) tmpch;tmpch = (right & 0xffff);if (tmpch != 0)tempresult += (char) tmpch;}chunk += encrypt ? 16 : 8;if (chunk == 512) {result += tempresult;tempresult = "";chunk = 0;}}return result + tempresult;
}private  String stringToHex(String s) {String r = "";String[] hexes = new String[]{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};for (int i = 0; i < (s.length()); i++) {r += hexes[s.toCharArray()[i] >>> 4] + hexes[s.toCharArray()[i] & 15];}return r;
}/*** 对字符串JSDES加密处理** @Param: 字符串, 秘钥* @return: 加密后的字符串* @Author: Wulis* @Date: 2019/12/11 16:30*/
@Override
public  String enJSDES(String inputString, String key) throws Exception {try {if (StringUtils.isEmpty(key)) {return inputString;}String desc = des(key, inputString, true, false, "");return stringToHex(desc);} catch (Exception ex) {return inputString;}
}private String HexTostring(String s) {String ret = "";for (int i = 0; i < s.length(); i += 2) {int sxx = Integer.parseInt(s.substring(i, i + 2), 16);  // Convert.ToInt32(s.Substring(i, 2), 16);ret += (char) sxx;}return ret;
}/*** @解密JSDES字符串* @Param: 加密后的字符串, 秘钥* @return: 解密后的字符串* @Author: Wulis* @Date: 2019/12/11 16:29*/
public  String deJSDES(String inputString, String key) {try {if (StringUtils.isEmpty(key)) {return inputString;}return des(key, HexTostring(inputString), false, false, "");} catch (Exception ex) {return inputString;}
}

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java的一种加解密方法

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