手机端wordpress模板,重庆网站seo技术,网站制作时间代码,网站建设要学会什么软件到底是不是ECB模式Pkcs7#xff1f;因为需要在别的语言中实现(js前端)#xff0c;需要对接后端的加密方式#xff0c;这是后端的方法不懂java#xff0c;在http://tool.chacuo.net/cryptd...#xff0c;都加不出相同的结果来看上去应该是和这篇文章的方法类似#xff0c;…到底是不是ECB模式Pkcs7因为需要在别的语言中实现(js前端)需要对接后端的加密方式这是后端的方法不懂java在http://tool.chacuo.net/cryptd...都加不出相同的结果来看上去应该是和这篇文章的方法类似但是具体是什么加密呢package com.loty.crypto;/*** ********************************************** DES 算法* 翻译自C语言版本。* ************************************************/public class Des {private String key 09876543210987654321098765432109;public String getKey() {return key;}public void setKey(String key) {this.key key;}/*** 加密** param byteArray* return*/public byte[] encode(byte[] byteArray) {int iLen byteArray.length;int iByteLen ((int) Math.floor(iLen / 8) 1) * 8;byte[] bEncoded new byte[iByteLen];int i ENCRYPT(key.getBytes(), byteArray, bEncoded, iLen);byte[] result new byte[i];System.arraycopy(bEncoded, 0, result, 0, i);return result;}/*** 解密** param byteArray* return*/public byte[] decode(byte[] byteArray) {int iLen byteArray.length;byte[] bDecoded new byte[iLen];int i DECRYPT(key.getBytes(), bDecoded, byteArray, iLen);int n 0;while (n i) {if (bDecoded[n] 0) break;n;}byte[] result new byte[n];System.arraycopy(bDecoded, 0, result, 0, n);return result;}public String digestHexStr;//28static final int pc_1_cp[] {57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36};//28static final int pc_1_dp[] {63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4};//48static final int pc_2p[] {14, 17, 11, 24, 1, 5,3, 28, 15, 6, 21, 10,23, 19, 12, 4, 26, 8,16, 7, 27, 20, 13, 2,41, 52, 31, 37, 47, 55,30, 40, 51, 45, 33, 48,44, 49, 39, 56, 34, 53,46, 42, 50, 36, 29, 32};//16static final int ls_countp[] {1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1};//64static final int iip_tab_p[] {58, 50, 42, 34, 26, 18, 10, 2,60, 52, 44, 36, 28, 20, 12, 4,62, 54, 46, 38, 30, 22, 14, 6,64, 56, 48, 40, 32, 24, 16, 8,57, 49, 41, 33, 25, 17, 9, 1,59, 51, 43, 35, 27, 19, 11, 3,61, 53, 45, 37, 29, 21, 13, 5,63, 55, 47, 39, 31, 23, 15, 7};//64static final int _iip_tab_p[] {40, 8, 48, 16, 56, 24, 64, 32,39, 7, 47, 15, 55, 23, 63, 31,38, 6, 46, 14, 54, 22, 62, 30,37, 5, 45, 13, 53, 21, 61, 29,36, 4, 44, 12, 52, 20, 60, 28,35, 3, 43, 11, 51, 19, 59, 27,34, 2, 42, 10, 50, 18, 58, 26,33, 1, 41, 9, 49, 17, 57, 25};//48static final int e_r_p[] {32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9,8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 17,16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 25,24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 1};//32static final int local_PP[] {16, 7, 20, 21, 29, 12, 28, 17,1, 15, 23, 26, 5, 18, 31, 10,2, 8, 24, 14, 32, 27, 3, 9,19, 13, 30, 6, 22, 11, 4, 25};//[8][4][16]static final int ccom_SSS_p[][][] {{{14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7},{0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8},{4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0},{15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13}},{{15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10},{3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5},{0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15},{13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9}},{{10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8},{13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1},{13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7},{1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12}},{{7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15},{13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9},{10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4},{3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14}}, /* err on */{{2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9},{14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6}, /* err on */{4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14},{11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3}},{{12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11},{10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8},{9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6},{4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13}},{{4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1},{13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6},{1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2},{6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12}},{{13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7},{1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2},{7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8},{2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11}}};byte[][] C new byte[17][28];byte[][] D new byte[17][28];byte[][] K new byte[17][48];public Des() {return;}/*iu2b把int转换成byte*/private static byte iu2b(int input) {byte output1;output1 (byte) (input 0xff);return output1;}/*b2iu把byte按照不考虑正负号的原则的升位成int程序因为java没有unsigned运算*/private static int b2iu(byte b) {return b 0 ? b 0x7F 128 : b;}/*byteHEX()用来把一个byte类型的数转换成十六进制的ASCII表示因为java中的byte的toString无法实现这一点我们又没有C语言中的sprintf(outbuf,%02X,ib)*/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;}/* desMemcpy是一个内部使用的byte数组的块拷贝函数从input的inpos开始把len长度的字节拷贝到output的outpos位置开始*/private void desMemcpy(byte[] output, byte[] input, int outpos, int inpos, int len) {int i;for (i 0; i len; i)output[outpos i] input[inpos i];}private void Fexpand0(byte[] in, byte[] out) {int divide;int i, j;byte temp1;for (i 0; i 8; i) {divide 7;for (j 0; j 8; j) {temp1 in[i];out[8 * i j] iu2b((b2iu(temp1) divide) 1);divide--;}}}private void FLS(byte[] bits, byte[] buffer, int count) {int i, j;for (i 0; i 28; i) {buffer[i] bits[(i count) % 28];}}private void Fson(byte[] cc, byte[] dd, byte[] kk) {int i, j;byte[] buffer new byte[56];for (i 0; i 28; i)buffer[i] cc[i];for (i 28; i 56; i)buffer[i] dd[i - 28];for (i 0; i 48; i)kk[i] buffer[pc_2p[i] - 1];}private void Fsetkeystar(byte[] bits) {int i, j;for (i 0; i 28; i)C[0][i] bits[pc_1_cp[i] - 1];for (i 0; i 28; i)D[0][i] bits[pc_1_dp[i] - 1];for (j 0; j 16; j) {FLS(C[j], C[j 1], ls_countp[j]);FLS(D[j], D[j 1], ls_countp[j]);Fson(C[j 1], D[j 1], K[j 1]);}}private void Fiip(byte[] text, byte[] ll, byte[] rr) {int i, j;byte[] buffer new byte[64];byte[] tmp new byte[64];Fexpand0(text, buffer);for (i 0; i 32; i)ll[i] buffer[iip_tab_p[i] - 1];for (i 0; i 32; i)rr[i] buffer[iip_tab_p[i 32] - 1];}private void Fs_box(byte[] aa, byte[] bb) {int i, j, k, m;int y, z;byte[] ss new byte[8];m 0;for (i 0; i 8; i) {j 6 * i;y b2iu(aa[j]) * 2 b2iu(aa[j 5]);z b2iu(aa[j 1]) * 8 b2iu(aa[j 2]) * 4 b2iu(aa[j 3]) * 2 b2iu(aa[j 4]);ss[i] iu2b(ccom_SSS_p[i][y][z]);y 3;for (k 0; k 4; k) {bb[m] iu2b((b2iu(ss[i]) y) 1);y--;}}}private void FF(int n, byte[] ll, byte[] rr, byte[] LL, byte[] RR) {int i, j;byte[] buffer new byte[64], tmp new byte[64];for (i 0; i 48; i)buffer[i] rr[e_r_p[i] - 1];for (i 0; i 48; i)buffer[i] iu2b((b2iu(buffer[i]) b2iu(K[n][i])) 1);Fs_box(buffer, tmp);for (i 0; i 32; i)buffer[i] tmp[local_PP[i] - 1];for (i 0; i 32; i)RR[i] iu2b((b2iu(buffer[i]) b2iu(ll[i])) 1);for (i 0; i 32; i)LL[i] rr[i];}private void _Fiip(byte[] text, byte[] ll, byte[] rr) {int i, j;byte[] tmp new byte[64];for (i 0; i 32; i)tmp[i] ll[i];for (i 32; i 64; i)tmp[i] rr[i - 32];for (i 0; i 64; i)text[i] tmp[_iip_tab_p[i] - 1];}private void Fcompress016(byte[] out, byte[] in) {int times;int i, j;for (i 0; i 16; i) {times 3;in[i] 0;for (j 0; j 4; j) {in[i] iu2b(b2iu(in[i]) (b2iu(out[i * 16 j]) times));times--;}}}void Fcompress0(byte[] out, byte[] in) {int times;int i, j;for (i 0; i 8; i) {times 7;in[i] 0;for (j 0; j 8; j) {in[i] iu2b(b2iu(in[i]) (b2iu(out[i * 8 j]) times));times--;}}}private void Fencrypt0(byte[] text, byte[] mtext) {byte[] ll new byte[64], rr new byte[64], LL new byte[64], RR new byte[64];byte[] tmp new byte[64];int i, j;Fiip(text, ll, rr);for (i 1; i 17; i) {FF(i, ll, rr, LL, RR);for (j 0; j 32; j) {ll[j] LL[j];rr[j] RR[j];}}_Fiip(tmp, rr, ll);Fcompress0(tmp, mtext);}private void FDES(byte[] key, byte[] text, byte[] mtext) {byte[] tmp new byte[64];Fexpand0(key, tmp);Fsetkeystar(tmp);Fencrypt0(text, mtext);}/*加密*/public int ENCRYPT(byte[] key, byte[] s, byte[] d, int len) {int i, j;byte[] cData new byte[8];byte[] cEncryptData new byte[8];for (i 0; i len; i 8) {if ((i 8) len) {desMemcpy(cData, s, 0, i, len - i);for (j len - i; j 8; j)cData[j] 0;} elsedesMemcpy(cData, s, 0, i, 8);FDES(key, cData, cEncryptData);desMemcpy(d, cEncryptData, i, 0, 8);}return i;}private void Fdiscrypt0(byte[] mtext, byte[] text) {byte[] ll new byte[64], rr new byte[64], LL new byte[64], RR new byte[64];byte[] tmp new byte[64];int i, j;Fiip(mtext, ll, rr);for (i 16; i 0; i--) {FF(i, ll, rr, LL, RR);for (j 0; j 32; j) {ll[j] LL[j];rr[j] RR[j];}}_Fiip(tmp, rr, ll);Fcompress0(tmp, text);}/*** *************************************************************************** function: DES* parameter: u_char * key ; key for encrypt* u_char * mtext ; encipher data* u_char * text ; plain data* return: none* ****************************************************************************/private void _FDES(byte[] key, byte[] mtext, byte[] text) {byte[] tmp new byte[64];Fexpand0(key, tmp);Fsetkeystar(tmp);Fdiscrypt0(mtext, text);}/*解密*/public int DECRYPT(byte[] key, byte[] s, byte[] d, int len) {int i;byte[] cData new byte[8];byte[] cEncryptData new byte[8];for (i 0; i len; i 8) {desMemcpy(cEncryptData, d, 0, i, 8);_FDES(key, cEncryptData, cData);desMemcpy(s, cData, i, 0, 8);}return i;}public static byte[] hexStr2ByteArr(String strIn) {byte[] arrB strIn.getBytes();int iLen arrB.length;//两个字符表示一个字节所以字节数组长度是字符串长度除以2byte[] arrOut new byte[iLen / 2];for (int i 0; i iLen; i i 2) {String strTmp new String(arrB, i, 2);arrOut[i / 2] (byte) Integer.parseInt(strTmp, 16);}return arrOut;}public String byteArr2HexStr(byte[] arrB, int iLen) throws Exception {// 每个byte用两个字符才能表示所以字符串的长度是数组长度的两倍StringBuffer sb new StringBuffer(iLen * 2);for (int i 0; i iLen; i) {int intTmp arrB[i];while (intTmp 0) {intTmp intTmp 256;}if (intTmp 16) {sb.append(0);}sb.append(Integer.toString(intTmp, 16));}String result sb.toString();return result;}}
