\u7f51\u4e0a\u5173\u4e8eDES\u7b97\u6cd5\u7684\u8bb2\u8ff0\u6709\u5f88\u591a\uff0c\u5927\u81f4\u601d\u8def\u4e00\u81f4\u3002\u4f46\u662f\u5f88\u591a\u7ec6\u8282\u7684\u5904\u7406\u4e0a\u6ca1\u6709\u4ea4\u4ee3\u6e05\u695a\uff0c\u6e90\u7801\u8d28\u91cf\u4e5f\u53c2\u5dee\u4e0d\u9f50\uff0c\u4e3a\u6b64\u4e5f\u82b1\u4e86\u5f88\u591a\u65f6\u95f4\u7814\u7a76\u4e86\u4e00\u4e0b\uff0c\u73b0\u5728\u628a\u5b8c\u6574\u601d\u8def\u548c\u6e90\u7801\u6574\u7406\u5982\u4e0b\u3002<\/p>\n
1. DES\u7b97\u6cd5\u7b80\u4ecb\uff1a<\/p>\n
DES\u7b97\u6cd5\u4e3a\u5bc6\u7801\u4f53\u5236\u4e2d\u7684\u5bf9\u79f0\u5bc6\u7801\u4f53\u5236\uff0c\u53c8\u88ab\u79f0\u4e3a\u7f8e\u56fd\u6570\u636e\u52a0\u5bc6\u6807\u51c6\uff0c\u662f1972\u5e74\u7f8e\u56fdIBM\u516c\u53f8\u7814\u5236\u7684\u5bf9\u79f0\u5bc6\u7801\u4f53\u5236\u52a0\u5bc6\u7b97\u6cd5\u3002 \u660e\u6587\u630964\u4f4d\u8fdb\u884c\u5206\u7ec4\uff0c\u5bc6\u94a5\u957f64\u4f4d\uff0c\u5bc6\u94a5\u4e8b\u5b9e\u4e0a\u662f56\u4f4d\u53c2\u4e0eDES\u8fd0\u7b97\uff08\u7b2c8\u300116\u300124\u300132\u300140\u300148\u300156\u300164\u4f4d\u662f\u6821\u9a8c\u4f4d\uff0c \u4f7f\u5f97\u6bcf\u4e2a\u5bc6\u94a5\u90fd\u6709\u5947\u6570\u4e2a1\uff09\u5206\u7ec4\u540e\u7684\u660e\u6587\u7ec4\u548c56\u4f4d\u7684\u5bc6\u94a5\u6309\u4f4d\u66ff\u4ee3\u6216\u4ea4\u6362\u7684\u65b9\u6cd5\u5f62\u6210\u5bc6\u6587\u7ec4\u7684\u52a0\u5bc6\u65b9\u6cd5\u3002<\/p>\n
2. DES\u6b65\u9aa4\uff1a<\/p>\n
1.\u9996\u5148\u8f93\u5165\u4e00\u4e2a8\u5b57\u8282\u7684\u5bc6\u94a5M8\u3002\u5c068\u5b57\u8282\u7684\u5bc6\u94a5\u8f6c\u6362\u6210\u621064\u4f4d\u7684\u4e8c\u8fdb\u5236\u4f4dM64\u3002\u5176\u4e2d\u7b2c8\uff0c16\uff0c24\uff0c32\uff0c40\uff0c48\uff0c56\uff0c64\u4f4d\u662f\u6821\u9a8c\u4f4d\uff0c \u4f7f\u5f97\u6bcf\u4e2a\u5bc6\u94a5\u90fd\u6709\u5947\u6570\u4e2a1\u3002\u6240\u4ee5\u5bc6\u94a5\u4e8b\u5b9e\u4e0a\u662f56\u4f4d\uff0c\u50a8\u5b58\u65f6\u53ef\u4ee5\u5148\u50a8\u5b5864\u4f4d\uff0c\u5728\u4e0b\u4e00\u6b65\u9aa4\u4e2d\u7684PC1\u7f6e\u6362\u4e2d\u53ef\u4ee5\u6263\u9664\u3002<\/p>\n
\u8fd9\u91cc\u6ce8\u610f\u9ad8\u4f4e\u4f4d\u95ee\u9898\uff1a\u6bd4\u5982’L’\u7684ASCII\u4e3a75\uff0c\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u4e3a’01001011’\uff0c\u5728\u8fd9\u91cc\u4e8c\u8fdb\u5236\u4ece\u5de6\u5230\u53f3\u4e3a\u4ece\u9ad8\u5230\u4f4e\u4f4d\uff0c\u5728\u5bc6\u94a5\u8f6c\u6362\u65f6\uff0c\u5219\u4ece\u4f4e\u4f4d\u5411\u9ad8\u4f4d\u50a8\u5b58<\/p>\n
\u5982\uff1a’L’\u7684ASCII\u4e3a75\uff0c\u4e8c\u8fdb\u5236\u4e3a’01001011’\uff0c\u8f6c\u6362\u81f3\u6570\u7ec4\u5185\u4e3a\uff1achar a = {0,1,0,0,1,0,1,1};<\/p>\n
\u7f51\u4e0a\u5404\u6e90\u4ee3\u7801\u5bf9\u6b64\u5904\u7684\u5904\u7406\u6709\u6240\u4e0d\u540c\uff0c\u8fd9\u79cd\u5904\u7406\u529e\u6cd5\u80fd\u591f\u83b7\u5f97\u6b63\u786e\u7684\u89e3\u6790\u7ed3\u679c\u3002<\/p>\n
2. \u5c0664\u4f4dM64\u7ecf\u8fc7PC1\u7f6e\u6362\u8f6c\u6362\u4e3a56\u4f4d\uff08\u6263\u9664\u5947\u5076\u6821\u9a8c\u4f4d\uff09\u3002<\/p>\n
\u5bf9\u8fd956\u4f4d\u5bc6\u94a5\u8fdb\u884c\u5982\u4e0b\u8868\u7684\u6362\u4f4d\u3002<\/p>\n
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, 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,<\/p>\n
\u8868\u7684\u610f\u601d\u662f\u7b2c57\u4f4d\u79fb\u5230\u7b2c1\u4f4d\uff0c\u7b2c49\u4f4d\u79fb\u5230\u7b2c2\u4f4d\uff0c…… \u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n
3. \u53d8\u6362\u540e\u5f97\u523056\u4f4d\u6570\u636eM56\uff0c\u5c06\u5b83\u5206\u6210\u4e24\u90e8\u5206\uff0cC[0][28], D[0][28]\u3002<\/p>\n
4. \u8ba1\u7b9716\u4e2a\u5b50\u5bc6\u94a5\u3002\u8ba1\u7b97\u65b9\u6cd5C[i][28] D[i][28]\u4e3a\u5bf9\u524d\u4e00\u4e2aC[i-1][28], D[i-1][28]\u505a\u5faa\u73af\u5de6\u79fb\u64cd\u4f5c\u300216\u6b21\u7684\u5de6\u79fb\u4f4d\u6570\u5982\u4e0b\u8868:<\/p>\n
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 (\u5de6\u79fb\u4f4d\u6570)<\/p>\n
\u5728\u8fd9\u91cc\u768416\u6b21\u5faa\u73af\u4e2d\uff0c\u6bcf\u4e00\u6b21\u5faa\u73af\u4e2d\uff0c\u5de6\u79fb\u540e\uff0c\u5c06C[i][28]\uff0cD[i][28]\u91cd\u65b0\u51d1\u621056\u4f4d\u540e\uff0c\u5bf9\u8fd956\u4f4d\u8fdb\u884c\u4e00\u6b21PC2\u7f6e\u6362\uff0c\u5f97\u523048\u4f4d\u7684\u5b50\u5bc6\u94a5sub[i][48]\u300216\u6b21\u5faa\u73af\u540e\u5c31\u670916\u4e2a\u5b50\u5bc6\u94a5\u3002PC2\u53d8\u6362\u5982\u4e0b\uff1a<\/p>\n
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,<\/p>\n
\u8868\u7684\u610f\u601d\u662f\u7b2c14\u4f4d\u79fb\u5230\u7b2c1\u4f4d\uff0c\u7b2c17\u4f4d\u79fb\u5230\u7b2c2\u4f4d\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u73b0\u7b2c9\uff0c18\uff0c22\uff0c25\uff0c 35\uff0c38\uff0c43\uff0c54\u4f4d\u4e22\u5f03\u3002<\/p>\n
*********************************************************************<\/p>\n
5.\u5f97\u5230\u5b50\u5bc6\u94a5\u4ee5\u540e\uff0c\u5c31\u662f\u5bf9\u660e\u6587\u8fdb\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\u64cd\u4f5c\u4e86\uff0c\u52a0\u5bc6\u548c\u89e3\u5bc6\u64cd\u4f5c\u5177\u6709\u5bf9\u79f0\u6027\uff0c\u56e0\u6b64\u4ecb\u7ecd\u52a0\u5bc6\u64cd\u4f5c\uff1a<\/p>\n
6.\u8f93\u5165\u660e\u6587\uff0c\u8981\u6c42\u8fbe\u52308\u5b57\u8282\uff0c\u82e5\u6ca1\u6709\u8fbe\u52308\u5b57\u8282\u5219\u8fdb\u884c\u6269\u5c55\uff0c\u6269\u5c55\u81f38\u5b57\u8282\uff08\u88650\u6216\u8865’\\0’\uff09\u3002<\/p>\n
7.\u5c068\u5b57\u8282\u7684\u660e\u6587\u8f6c\u6362\u6210\u621064\u4f4d\u7684\u4e8c\u8fdb\u5236\u4f4d\u3002<\/p>\n
8. \u5bf964bit\u7684\u660e\u6587\u8f93\u5165\u8fdb\u884c\u6362\u4f4d\u53d8\u6362\u3002\u6362\u4f4d\u8868\u5982\u4e0b:<\/p>\n
58, 50, 12, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,<\/p>\n
62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8,<\/p>\n
57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3,<\/p>\n
61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7<\/p>\n
\u8868\u7684\u610f\u601d\u5c31\u662f\u7b2c\u4e00\u6b21\u53d8\u6362\u65f6\uff0c\u7b2c58\u4f4d\u79fb\u5230\u7b2c1\u4f4d\uff0c\u7b2c50\u4f4d\u79fb\u5230\u7b2c2\u4f4d\uff0c…… \u4f9d\u6b64\u7c7b\u63a8\u3002\u5f97\u523064\u4f4d\u6570\u636edata[64]\u3002<\/p>\n
9.\u63a5\u4e0b\u6765\u5c06\u8fdb\u5165\u5faa\u73af\u5904\u7406\u9636\u6bb5\uff0c\u603b\u5171\u8fdb\u884c16\u6b21\u5faa\u73af\uff0c\u6bcf\u6b21\u5faa\u73af\u9075\u5faa\u5982\u4e0b\u64cd\u4f5c\uff1a<\/p>\n
for(int i=0;i<16;i++) { 10.\u5c0664\u4f4d\u6570\u636edata[64]\u524d\u540e\u5206\u6210\u4e24\u5757L[i][32], R[i][32]\u3002 11. \u5bf9R[i][32]\u8fdb\u884c\u6269\u5c55\u53d8\u6362\u621048\u4f4d\u6570\uff0c\u65b9\u6cd5\u5982\u4e0b\uff0c \u8bb0\u4e3aE(R[i][32]) 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, 12.\u5c06E(R[i][32])\u4e0esub[i][48]\uff08\u7531\u5bc6\u94a5\u5904\u7406\u83b7\u5f97\u7684\u5b50\u5bc6\u94a5\uff0c\u89c1\u6b65\u9aa44\uff09\u4f5c\u5f02\u6216\u8fd0\u7b97\uff0c\u5f97\u523048\u4f4d\u6570B[48]\u3002 13.\u5c0648\u4f4d\u6570\u987a\u5e8f\u5206\u62108\u4efd\uff0c6\u4f4d\u4e00\u4efd\uff0cB[48]->B[8][6]\u3002<\/p>\n
14.\u4f7f\u75288\u4e2aS\u76d2\u5bf9\u5206\u62108\u4efd\u7684B[8][6]\u8fdb\u884c\u66ff\u6362\uff0c\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
a) \u53d6\u51faB[j][6]\u7684\u7b2c1\u4f4d\u548c\u7b2c6\u4f4d\u8fde\u6210\u4e00\u4e2a2\u4f4d\u4e8c\u8fdb\u5236\u6570m\uff0c\u8303\u56f4\uff080-3\uff09\uff0c\u8f6c\u6362\u6210\u5341\u8fdb\u5236\u6570\u540e\u4f5c\u4e3a\u7b2cj\u4e2aS\u76d2\u7684\u884c\u6807<\/p>\n
\u5982\uff1a\u5047\u8bbeB[0]\u4e3a’010011’\uff0c\u5219\u53d6\u51fa\u7b2c\u4e00\u4f4d0\u548c\u7b2c\u516d\u4f4d1\uff0c\u7ec4\u621001,01\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u4e3a1\uff0c\u56e0\u6b64m\u4ee3\u8868\u4e86\u7b2c0\u4e2aS\u76d2\u4e2d\u7684\u7b2c2\u884c\uff08\u6570\u7ec4\u4e0b\u6807\u4ece0\u5f00\u59cb\uff09<\/p>\n
b) \u53d6\u51faB[j][6]\u7684\u7b2c2\u30013\u30014\u30015\u4f4d\u8fde\u6210\u4e00\u4e2a4\u4f4d\u4e8c\u8fdb\u5236\u6570n\uff0c\u8303\u56f4\uff080-15\uff09\uff0c\u8f6c\u6362\u6210\u5341\u8fdb\u5236\u6570\u540e\u4f5c\u4e3a\u7b2cj\u4e2aS\u76d2\u7684\u5217\u6807<\/p>\n
\u5982\uff1a\u5047\u8bbeB[0]\u4e3a’010011’\uff0c\u5219\u53d6\u51fa’1001’\uff0c\u8f6c\u6362\u6210\u5341\u8fdb\u5236\u4e3a9\uff0c\u56e0\u6b64n\u4ee3\u8868\u4e86\u7b2c0\u4e2aS\u76d2\u4e2d\u7684\u7b2c10\u5217\uff08\u6570\u7ec4\u4e0b\u6807\u4ece0\u5f00\u59cb\uff09<\/p>\n
c) \u6709\u4e86\u884c\u6807\u548c\u5217\u8868\u5219\u8fdb\u5165\u7b2cj\u4e2aS\u76d2\u4e2d\u67e5\u627e\u5bf9\u5e94\u7684\u6570\u5b57<\/p>\n
\u63a5\u4e0a\u4f8b\uff0c\u7b2c0\u4e2aS\u76d2\u4e2d\u7b2c\u4e8c\u884c\u7b2c\u5341\u5217\u83b7\u5f97\u6570\u5b57\uff1a6<\/p>\n
d) \u5c06\u83b7\u5f97\u7684\u6570\u5b57\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\uff0c\u66ff\u636248\u4f4d\u7684B\u4e2d\u7684\u524d4\u4f4d\u3002<\/p>\n
\u63a5\u4e0a\u4f8b\uff0c6\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u4e3a0110\uff0c\u8fd9\u6837B\u7684\u524d\u56db\u4f4d\u5c31\u4e3a0110\uff0c\u5faa\u73af\u540e\u4ece\u7b2c5\u4f4d\u7ee7\u7eed\u3002<\/p>\n
e) \u7ecf\u8fc78\u6b21\u5faa\u73af\uff0c\u6bcf\u6b21\u66ff\u63624\u4f4d\uff0c\u6700\u7ec8B\u7684\u524d32\u4f4d\u5219\u4e3a\u6211\u4eec\u65b0\u83b7\u5f97\u7684\u52a0\u5bc6\u6570\u636eB[32]<\/p>\n
15.\u5bf9B[32]\u8fdb\u884c\u5982\u4e0b\u53d8\u6362\u5f97\u5230B'[32]:<\/p>\n
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,<\/p>\n
16.B'[32]\u4e0eL[i][32]\u4f5c\u5f02\u6216\u8fd0\u7b97\uff0c\u628a\u7ed3\u679c\u8986\u76d6data[64]\u7684\u5de6\u534a\u90e8\u5206\uff0c\u82e5i!=15,\u5219\u4ea4\u6362data[64]\u7684\u5de6\u53f3\u90e8\u5206\uff08\u5373\u5f02\u6216\u8fd0\u7b97\u7ed3\u679c\u4f5c\u4e3a\u4e0b\u4e00\u6b21\u5faa\u73af\u7684\u53f3\u8fb9\uff0c\u539f\u6765\u7684\u53f3\u8fb9\u4f5c\u4e3a\u4e0b \u4e00\u6b21\u8fd0\u7b97\u7ed3\u679c\u7684\u5de6\u8fb9\uff09\u3002\u82e5i=15\uff0c\u5219\u4e0d\u8fdb\u884c\u4ea4\u6362\u3002<\/p>\n
}<\/p>\n
17. \u7ed3\u675f\u5faa\u73af\u540e\uff0c\u5c0616\u6b21\u5904\u7406\u8fc7\u540e\u7684data[64]\u8fdb\u884c\u4e00\u6b21\u9006\u521d\u59cb\u7f6e\u6362\uff0c\u8fd9\u662f\u5bf9\u7b2c8\u6b65\u7684\u9006\u53d8\u6362<\/p>\n
40, 8, 48, 16, 56, 24, 64, 32,<\/p>\n
39, 7, 47, 15, 55, 23, 63, 31,<\/p>\n
38, 6, 46, 14, 54, 22, 62, 30,<\/p>\n
37, 5, 45, 13, 53, 21, 61, 29,<\/p>\n
36, 4, 44, 12, 52, 20, 60, 28,<\/p>\n
35, 3, 43, 11, 51, 19, 59, 27,<\/p>\n
34, 2, 42, 10, 50, 18, 58, 26,<\/p>\n
33, 1, 41, 9, 49, 17, 57, 25<\/p>\n
\u8fd9\u6837\u5c31\u5f97\u5230\u4e86\u6700\u7ec8\u7684\u5bc6\u6587\u4e86QUQ~<\/p>\n
\u89e3\u5bc6\u8fc7\u7a0b\u540c\u52a0\u5bc6\u8fc7\u7a0b\u5b8c\u5168\u76f8\u540c\uff0c\u4e0d\u540c\u7684\u662f\u5bf9\u5b50\u5bc6\u94a5\u7684\u5f02\u6216\u987a\u5e8f\u4e0d\u540c\uff0c\u52a0\u5bc6\u8fc7\u7a0b i \u4ece0-15\u4e0e\u5b50\u5bc6\u94a5\u914d\u5bf9\uff0c\u89e3\u5bc6\u8fc7\u7a0b\u4e2d\u5219\u4ece15-0\u4e0e\u5b50\u5bc6\u94a5\u8fdb\u884c\u5f02\u6216\u3002<\/p>\n
\u6e90\u4ee3\u7801\u89c1\u94fe\u63a5\uff1a<\/p>\n
http:\/\/pan.baidu.com\/s\/1c0D1RAo<\/p>\n
5.1.cpp\u4e3a\u5b57\u7b26char\u4e0e8\u4f4d\u4e8c\u8fdb\u5236char\u4e4b\u95f4\u7684\u8f6c\u6362<\/p>\n
5.2&5.3.cpp\u4e3aDES\u7684\u52a0\u5bc6\u7a0b\u5e8f\uff0c\u5176\u4e2d\u8f93\u51fa\u4e2d\u95f4\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n
a. \u5bc6\u94a5\u5bf9\u5e94\u5bc6\u94a5\u768464\u4f4d\u6bd4\u7279\uff088X8\u5f62\u5f0f\u8f93\u51fa\uff0c\u4f7f\u75285.1\u4e2d\u7684\u51fd\u6570\u8fdb\u884c\u8f6c\u6362)\uff1b<\/p>\n
b. \u7ecf\u8fc7\u7f6e\u6362\u9009\u62e91\u540e\uff0c\u5206\u522b\u8f93\u51fa\u7684C 0 \uff0828\u4f4d\uff09\u548cD 0 \uff0828\u4f4d\uff09\u5bf9\u5e94\u7684\u6bd4\u7279\uff1b<\/p>\n
c. \u8f93\u51fa\u7b2c5\u6b21\u8fed\u4ee3\u65f6\uff0c\u4ea7\u751f\u7684\u5b50\u5bc6\u94a5K 5 \u6240\u5bf9\u5e94\u768448\u4f4d\u6bd4\u7279;<\/p>\n
d. \u539f\u6587\u5bf9\u5e94\u768464\u4f4d2\u8fdb\u5236\u6bd4\u7279\u5e8f\u5217\uff1b<\/p>\n
e. 64\u6bd4\u7279\u5e8f\u5217\u7ecf\u8fc7\u521d\u59cb\u7f6e\u6362IP\u540e\uff0c\u5f97\u5230\u65b0\u768464\u4f4d\u6bd4\u7279\uff1b<\/p>\n
f. \u4e58\u79ef\u53d8\u6362\u9700\u8981\u8fdb\u884c16\u6b21\u8fed\u4ee3\uff0c\u8f93\u51fa\u7ecf\u8fc75\u6b21\u8fed\u4ee3\u540e\uff0c\u5f97\u5230\u768464\u4f4d\u6bd4\u7279\uff1b<\/p>\n
g. \u8f93\u51fa\u5b8c\u6210\u4e58\u79ef\u53d8\u6362\uff0816\u6b21\u8fed\u4ee3\uff09\u540e\u5f97\u5230\u768464\u4f4d\u6bd4\u7279\uff1b<\/p>\n
h. \u8f93\u51fa\u52a0\u5bc6\u540e\u7684\u5bc6\u6587\u768464\u4f4d\u6bd4\u7279\uff1b<\/p>\n
5.4.cpp\u662f\u9488\u5bf9\u4e00\u6bb5\u6307\u5b9a\u7684\u5bc6\u6587\u8fdb\u884c\u89e3\u5bc6\u7684\u7a0b\u5e8f\u3002<\/p>\n
5.5.cpp\uff0c\u5c06\u7ed9\u5b9a\u7684\u6587\u672c\u6587\u4ef6\u201cDES.txt\u201d\u8fdb\u884c\u52a0\u5bc6\uff0c\u5bc6\u94a5\u4f9d\u65e7\u662f\u201cKEYMIYAO\u201d\uff0c\u628a\u5bc6\u6587\u4fdd\u5b58\u5728\u53e6\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff08\u201cDES_Encrypt.txt\u201d\uff09\u4e2d\uff0c\u7136\u540e\u5bf9\u8fd9\u4e2a\u6587\u4ef6\u8fdb\u884c\u89e3\u5bc6\uff0c\u5f97\u5230\u7684\u539f\u6587\u4fdd\u5b58\u5230\u6587\u672c\u6587\u4ef6\uff08\u201cDES_Final.txt\u201d\uff09\u4e2d\u3002\u5176\u4e2d\u5305\u62ec\u4e86\u5b57\u7b26\u4e0d\u8db3\u65f6\u7684\u6269\u5c55\u3002\u5c06\u6b64\u6587\u4ef6\u52a0\u5165vs\u4e2d\u540e\u8981\u81ea\u5df1\u521b\u5efa\u4ee5\u4e0a\u63d0\u5230\u76843\u4e2atxt\u8d44\u6e90\u6587\u4ef6\u3002<\/p>\n
DESc\u7248\u672c.cpp\uff0c\u662fDES\u7684c\u8bed\u8a00\u5b9e\u73b0\uff0c\u6548\u7387\u9ad8\uff0c\u5199\u7684\u597d\u3002\u522b\u770b\u6211\u6211\u662f\u4ece\u4fe1\u606f\u5b89\u5168\u4e13\u4e1a\u90a3\u91cc\u6252\u6765\u7684\u6342\u8138QUQ\u3002<\/p>\n
\u5728\u4f4e\u7248\u672c\u7684VS\u4e2d\u53ef\u80fd\u4f1a\u51fa\u73b0for\u5faa\u73af\u4e2d\u4e0d\u5141\u8bb8\u58f0\u660eint\u7684\u95ee\u9898\uff0c\u81ea\u884c\u4fee\u6539int\u53d8\u91cf\u63d0\u81f3\u51fd\u6570\u5f00\u5934\u3002<\/p>\n
\u6709\u7a7a\u518d\u6765\u8865\u51453DES\u7b97\u6cd5\u4e86\u00b7\u00b7<\/p>\n","protected":false},"excerpt":{"rendered":"