{"id":171,"date":"2026-04-06T17:17:37","date_gmt":"2026-04-06T09:17:37","guid":{"rendered":"https:\/\/www.sherlock666.cn\/?p=171"},"modified":"2026-04-06T17:19:02","modified_gmt":"2026-04-06T09:19:02","slug":"aes%e7%ae%97%e6%b3%95%e8%af%a6%e8%a7%a3%e4%b8%8e%e4%b8%83%e5%a4%a7%e5%8a%a0%e5%af%86%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.sherlock666.cn\/index.php\/2026\/04\/06\/aes%e7%ae%97%e6%b3%95%e8%af%a6%e8%a7%a3%e4%b8%8e%e4%b8%83%e5%a4%a7%e5%8a%a0%e5%af%86%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"AES\u7b97\u6cd5\u8be6\u89e3\u4e0e\u4e03\u5927\u52a0\u5bc6\u6a21\u5f0f"},"content":{"rendered":"\n

\u5728\u5b66\u4e60AES\u7b97\u6cd5\u4e4b\u524d\uff0c\u6700\u5148\u6e05\u695a\u5730\u5e94\u5f53\u662f\u4e03\u5927\u52a0\u5bc6\u6a21\u5f0f\uff0c\u8fd9\u4e03\u5927\u52a0\u5bc6\u6a21\u5f0f\u4e0b\u7684AES\u52a0\u5bc6\u6709\u7740\u5929\u58e4\u4e4b\u522b\uff0c\u56e0\u6b64\u672c\u6587\u5c06\u4eceAES\u76847\u5927\u52a0\u5bc6\u6a21\u5f0f\u5f00\u59cb\u63a2\u7a76\u9010\u6b65\u6316\u6398AES\u7b97\u6cd5<\/p>\n\n\n\n

\u4e00\u3001\u4e03\u5927\u52a0\u5bc6\u6a21\u5f0f<\/h1>\n\n\n\n

1.ECB\uff1aElectronic Codebook\uff0c\u7535\u5b50\u5bc6\u7801\u672c\u6a21\u5f0f<\/h2>\n\n\n\n

\u539f\u7406<\/h3>\n\n\n\n

\u6bcf\u4e2a\u5206\u7ec4\u72ec\u7acb\uff08\u4ee5\u4e0b\u5747\u5148\u4ee5AES-128\u6765\u5c55\u5f00\uff09<\/p>\n\n\n\n

\u52a0\u5bc6\uff1aC<\/mi>i<\/mi><\/msub>=<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>P<\/mi>i<\/mi><\/msub>)<\/mo><\/mrow>C_i = E_K(P_i)<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

\u89e3\u5bc6\uff1aP<\/mi>i<\/mi><\/msub>=<\/mo>D<\/mi>K<\/mi><\/msub>(<\/mo>C<\/mi>i<\/mi><\/msub>)<\/mo><\/mrow>P_i = D_K(C_i)<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

\u7279\u70b9<\/h3>\n\n\n\n
    \n
  • \u4e0d\u9700\u8981 IV<\/li>\n\n\n\n
  • \u76f8\u540c\u660e\u6587\u5757\uff0c\u5728\u76f8\u540c\u5bc6\u94a5\u4e0b\u4f1a\u5f97\u5230\u76f8\u540c\u5bc6\u6587\u5757<\/strong><\/li>\n\n\n\n
  • \u53ef\u4ee5\u5e76\u884c\u52a0\u5bc6\u3001\u5e76\u884c\u89e3\u5bc6<\/li>\n\n\n\n
  • \u5b9e\u73b0\u6700\u7b80\u5355<\/li>\n<\/ul>\n\n\n\n

    \u662f\u5426\u9700\u8981 padding<\/h3>\n\n\n\n

    \u9700\u8981\u3002\u56e0\u4e3a\u5b83\u662f\u6309\u5757\u5904\u7406\u7684\u3002\u5982\u679c\u660e\u6587\u957f\u5ea6\u4e0d\u662f\u5757\u5927\u5c0f\u6574\u6570\u500d\uff0c\u5c31\u8981 padding\uff1b\u9664\u975e\u4f60\u660e\u786e\u7528 NoPadding \u4e14\u6570\u636e\u672c\u6765\u5c31\u662f\u6574\u5757\u5bf9\u9f50\u3002<\/p>\n\n\n\n

    2.CBC\uff1aCipher Block Chaining\uff0c\u5bc6\u7801\u5757\u94fe\u63a5\u6a21\u5f0f<\/h2>\n\n\n\n

    \u6bcf\u4e00\u5757\u660e\u6587\u5728\u52a0\u5bc6\u524d\uff0c\u5148\u548c\u524d\u4e00\u4e2a\u5bc6\u6587\u5757\u5f02\u6216\u3002\u7b2c\u4e00\u5757\u4f7f\u7528 IV\uff1aC<\/mi>1<\/mn><\/msub>=<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>P<\/mi>1<\/mn><\/msub>\u2295<\/mo>I<\/mi>V<\/mi>)<\/mo><\/mrow>C_1 = E_K(P_1 \\oplus IV)<\/annotation><\/semantics><\/math>C<\/mi>i<\/mi><\/msub>=<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>P<\/mi>i<\/mi><\/msub>\u2295<\/mo>C<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub>)<\/mo>,<\/mo><\/mspace>i<\/mi>\u2265<\/mo>2<\/mn><\/mrow>C_i = E_K(P_i \\oplus C_{i-1}), \\quad i \\ge 2<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

    \u89e3\u5bc6\uff1aP<\/mi>1<\/mn><\/msub>=<\/mo>D<\/mi>K<\/mi><\/msub>(<\/mo>C<\/mi>1<\/mn><\/msub>)<\/mo>\u2295<\/mo>I<\/mi>V<\/mi><\/mrow>P_1 = D_K(C_1) \\oplus IV<\/annotation><\/semantics><\/math>P<\/mi>i<\/mi><\/msub>=<\/mo>D<\/mi>K<\/mi><\/msub>(<\/mo>C<\/mi>i<\/mi><\/msub>)<\/mo>\u2295<\/mo>C<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub><\/mrow>P_i = D_K(C_i) \\oplus C_{i-1}<\/annotation><\/semantics><\/math>\u200b<\/p>\n\n\n\n

    \u7279\u70b9<\/h3>\n\n\n\n
      \n
    • \u9700\u8981 IV<\/li>\n\n\n\n
    • \u5373\u4f7f\u4e24\u4e2a\u660e\u6587\u5757\u76f8\u540c\uff0c\u53ea\u8981\u524d\u9762\u7684\u94fe\u4e0d\u540c\uff0c\u5bc6\u6587\u901a\u5e38\u4e5f\u4e0d\u540c<\/li>\n\n\n\n
    • \u89e3\u51b3\u4e86 ECB \u7684\u201c\u91cd\u590d\u5757\u6cc4\u9732\u201d\u95ee\u9898<\/li>\n\n\n\n
    • \u52a0\u5bc6\u662f\u4e32\u884c\u7684\uff0c\u4e0d\u80fd\u5929\u7136\u5e76\u884c<\/li>\n\n\n\n
    • \u89e3\u5bc6\u53ef\u5e76\u884c\uff08\u56e0\u4e3a\u6bcf\u5757\u53ea\u4f9d\u8d56\u5f53\u524d\u5bc6\u6587\u5757\u548c\u524d\u4e00\u5bc6\u6587\u5757\uff09<\/li>\n<\/ul>\n\n\n\n

      IV \u8981\u6c42<\/h3>\n\n\n\n

      CBC \u7684 IV \u4e00\u822c\u8981\u6c42\uff1a<\/p>\n\n\n\n

        \n
      • \u957f\u5ea6\u7b49\u4e8e\u5757\u5927\u5c0f<\/li>\n\n\n\n
      • \u4e0d\u53ef\u9884\u6d4b \/ \u968f\u673a<\/strong><\/li>\n\n\n\n
      • \u540c\u4e00\u5bc6\u94a5\u4e0b\u6700\u597d\u4e0d\u8981\u91cd\u590d<\/li>\n<\/ul>\n\n\n\n

        \u662f\u5426\u9700\u8981 padding<\/h3>\n\n\n\n

        \u9700\u8981\u3002<\/p>\n\n\n\n

        3.CTR\uff1aCounter\uff0c\u8ba1\u6570\u5668\u6a21\u5f0f<\/h2>\n\n\n\n

        \u539f\u7406<\/h3>\n\n\n\n

        CTR \u628a\u5206\u7ec4\u5bc6\u7801\u53d8\u6210\u201c\u5bc6\u94a5\u6d41\u751f\u6210\u5668\u201d<\/p>\n\n\n\n

        \u5148\u5bf9 nonce + counter \u52a0\u5bc6\uff0c\u5f97\u5230\u4e00\u4e2a\u5bc6\u94a5\u6d41\u5757\uff1aS<\/mi>i<\/mi><\/msub>=<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>Nonce<\/mtext>\u2225<\/mi>Counter<\/mtext>i<\/mi><\/msub>)<\/mo><\/mrow>S_i = E_K(\\text{Nonce} \\| \\text{Counter}_i)<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

        \u7136\u540e\u4e0e\u660e\u6587\u5f02\u6216\uff1aC<\/mi>i<\/mi><\/msub>=<\/mo>P<\/mi>i<\/mi><\/msub>\u2295<\/mo>S<\/mi>i<\/mi><\/msub><\/mrow>C_i = P_i \\oplus S_i<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

        \u89e3\u5bc6\u540c\u6837\u4e5f\u662f\u5f02\u6216\uff1aP<\/mi>i<\/mi><\/msub>=<\/mo>C<\/mi>i<\/mi><\/msub>\u2295<\/mo>S<\/mi>i<\/mi><\/msub><\/mrow>P_i = C_i \\oplus S_i<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

        \u7279\u70b9<\/h3>\n\n\n\n
          \n
        • \u4e0d\u9700\u8981 padding<\/li>\n\n\n\n
        • \u53ef\u4ee5\u968f\u673a\u8bbf\u95ee\u67d0\u4e2a\u5757<\/li>\n\n\n\n
        • \u52a0\u5bc6\u89e3\u5bc6\u90fd\u53ef\u5e76\u884c<\/li>\n\n\n\n
        • \u6027\u80fd\u9ad8\uff0c\u5de5\u7a0b\u4e0a\u5f88\u5e38\u7528<\/li>\n<\/ul>\n\n\n\n

          4.GCM\uff1aGalois\/Counter Mode\uff0c\u4f3d\u7f57\u74e6\/\u8ba1\u6570\u5668\u6a21\u5f0f<\/h2>\n\n\n\n

          \u539f\u7406<\/h3>\n\n\n\n

          GCM = CTR \u52a0\u5bc6<\/strong> + GHASH \u8ba4\u8bc1<\/strong><\/p>\n\n\n\n

          \u5b83\u4e00\u8fb9\u7528 CTR \u4ea7\u751f\u5bc6\u94a5\u6d41\u52a0\u5bc6\u6d88\u606f\uff0c\u4e00\u8fb9\u5bf9\uff1a<\/p>\n\n\n\n

            \n
          • AAD\uff08\u9644\u52a0\u8ba4\u8bc1\u6570\u636e\uff0c\u4e0d\u52a0\u5bc6\uff09<\/li>\n\n\n\n
          • \u5bc6\u6587
            \u505a\u4e00\u4e2a GF(2^128) \u4e0a\u7684\u8ba4\u8bc1\u8ba1\u7b97\uff0c\u6700\u540e\u5f97\u5230 tag\u3002<\/li>\n<\/ul>\n\n\n\n

            \u8f93\u51fa\u4e00\u822c\u662f\uff1a<\/p>\n\n\n\n

              \n
            • ciphertext<\/li>\n\n\n\n
            • authentication tag<\/li>\n<\/ul>\n\n\n\n

              AAD \u662f\u4ec0\u4e48<\/h3>\n\n\n\n

              AAD \u662f\u201c\u8981\u8ba4\u8bc1\u4f46\u4e0d\u52a0\u5bc6\u201d\u7684\u6570\u636e\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n

                \n
              • \u534f\u8bae\u5934<\/li>\n\n\n\n
              • \u957f\u5ea6\u5b57\u6bb5<\/li>\n\n\n\n
              • \u5e8f\u53f7<\/li>\n\n\n\n
              • \u5143\u6570\u636e<\/li>\n<\/ul>\n\n\n\n

                \u7279\u70b9<\/h3>\n\n\n\n
                  \n
                • \u65e2\u4fdd\u5bc6\uff0c\u53c8\u9632\u7be1\u6539<\/li>\n\n\n\n
                • \u53ef\u5e76\u884c<\/li>\n\n\n\n
                • \u9ad8\u6027\u80fd<\/li>\n\n\n\n
                • \u73b0\u4ee3\u534f\u8bae\u91cc\u6781\u5176\u5e38\u89c1\uff08TLS\u3001IPsec \u7b49\uff09<\/li>\n<\/ul>\n\n\n\n

                  5.CCM\uff1aCounter with CBC-MAC\uff0c\u8ba1\u6570\u5668\u4e0e CBC-MAC \u6a21\u5f0f<\/h2>\n\n\n\n

                  \u539f\u7406<\/h3>\n\n\n\n

                  CCM = CTR \u52a0\u5bc6<\/strong> + CBC-MAC \u8ba4\u8bc1<\/strong><\/p>\n\n\n\n

                  \u548c GCM \u4e00\u6837\uff0c\u4e5f\u662f AEAD\uff0c\u53ea\u662f\u8ba4\u8bc1\u90e8\u5206\u4e0d\u662f GHASH\uff0c\u800c\u662f CBC-MAC\u3002<\/p>\n\n\n\n

                  6.OFB\uff1aOutput Feedback\uff0c\u8f93\u51fa\u53cd\u9988\u6a21\u5f0f<\/h2>\n\n\n\n

                  \u539f\u7406<\/h3>\n\n\n\n

                  \u5148\u7528 IV \u7ecf\u52a0\u5bc6\u5668\u4ea7\u751f\u8f93\u51fa\uff0c\u518d\u628a\u8fd9\u4e2a\u8f93\u51fa\u7ee7\u7eed\u9001\u56de\u52a0\u5bc6\u5668\uff0c\u5f62\u6210\u5bc6\u94a5\u6d41\uff1aO<\/mi>1<\/mn><\/msub>=<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>I<\/mi>V<\/mi>)<\/mo><\/mrow>O_1 = E_K(IV)<\/annotation><\/semantics><\/math>O<\/mi>i<\/mi><\/msub>=<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>O<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub>)<\/mo><\/mrow>O_i = E_K(O_{i-1})<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                  \u7136\u540e\uff1aC<\/mi>i<\/mi><\/msub>=<\/mo>P<\/mi>i<\/mi><\/msub>\u2295<\/mo>O<\/mi>i<\/mi><\/msub><\/mrow>C_i = P_i \\oplus O_i<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                  \u89e3\u5bc6\u540c\u6837\uff1aP<\/mi>i<\/mi><\/msub>=<\/mo>C<\/mi>i<\/mi><\/msub>\u2295<\/mo>O<\/mi>i<\/mi><\/msub><\/mrow>P_i = C_i \\oplus O_i<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                  \u7279\u70b9<\/h3>\n\n\n\n
                    \n
                  • \u4e0d\u9700\u8981 padding<\/li>\n\n\n\n
                  • \u672c\u8d28\u4e0a\u628a\u5206\u7ec4\u5bc6\u7801\u53d8\u6210\u540c\u6b65\u6d41\u5bc6\u7801<\/li>\n\n\n\n
                  • \u67d0\u4e2a\u5bc6\u6587 bit \u51fa\u9519\uff0c\u53ea\u4f1a\u5f71\u54cd\u89e3\u5bc6\u540e\u5bf9\u5e94\u90a3\u4e00 bit<\/li>\n\n\n\n
                  • \u4e0d\u4f1a\u50cf CBC \u90a3\u6837\u5927\u9762\u79ef\u4f20\u64ad<\/li>\n<\/ul>\n\n\n\n

                    7.CFB\uff1aCipher Feedback\uff0c\u5bc6\u7801\u53cd\u9988\u6a21\u5f0f<\/h2>\n\n\n\n

                    \u539f\u7406<\/h3>\n\n\n\n

                    \u628a\u201c\u524d\u4e00\u4e2a\u5bc6\u6587\u5757\u201d\u9001\u8fdb\u52a0\u5bc6\u5668\uff0c\u8f93\u51fa\u540e\u4e0e\u5f53\u524d\u660e\u6587\u5f02\u6216\uff1a<\/p>\n\n\n\n

                    \u9996\u5757\uff1aC<\/mi>1<\/mn><\/msub>=<\/mo>P<\/mi>1<\/mn><\/msub>\u2295<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>I<\/mi>V<\/mi>)<\/mo><\/mrow>C_1 = P_1 \\oplus E_K(IV)<\/annotation><\/semantics><\/math>C1\u200b=P1\u200b\u2295EK\u200b(IV)<\/p>\n\n\n\n

                    \u540e\u7eed\uff1aC<\/mi>i<\/mi><\/msub>=<\/mo>P<\/mi>i<\/mi><\/msub>\u2295<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>C<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub>)<\/mo><\/mrow>C_i = P_i \\oplus E_K(C_{i-1})<\/annotation><\/semantics><\/math>Ci\u200b=Pi\u200b\u2295EK\u200b(Ci\u22121\u200b)<\/p>\n\n\n\n

                    \u89e3\u5bc6\u65f6\uff1aP<\/mi>1<\/mn><\/msub>=<\/mo>C<\/mi>1<\/mn><\/msub>\u2295<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>I<\/mi>V<\/mi>)<\/mo><\/mrow>P_1 = C_1 \\oplus E_K(IV)<\/annotation><\/semantics><\/math>P1\u200b=C1\u200b\u2295EK\u200b(IV) P<\/mi>i<\/mi><\/msub>=<\/mo>C<\/mi>i<\/mi><\/msub>\u2295<\/mo>E<\/mi>K<\/mi><\/msub>(<\/mo>C<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub>)<\/mo><\/mrow>P_i = C_i \\oplus E_K(C_{i-1})<\/annotation><\/semantics><\/math>Pi\u200b=Ci\u200b\u2295EK\u200b(Ci\u22121\u200b)<\/p>\n\n\n\n

                    \u7279\u70b9<\/h3>\n\n\n\n
                      \n
                    • \u4e0d\u9700\u8981 padding<\/li>\n\n\n\n
                    • \u53ef\u4ee5\u6309\u5b57\u8282\/\u6309\u4f4d\u5de5\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u6309\u6574\u5757\u5de5\u4f5c<\/li>\n\n\n\n
                    • \u81ea\u540c\u6b65\uff1a\u4e22\u4e86\u4e00\u4e9b\u6570\u636e\u540e\uff0c\u7ecf\u8fc7\u82e5\u5e72\u53cd\u9988\u957f\u5ea6\u540e\u6709\u673a\u4f1a\u91cd\u65b0\u540c\u6b65<\/li>\n\n\n\n
                    • \u52a0\u5bc6\u901a\u5e38\u4e32\u884c<\/li>\n<\/ul>\n\n\n\n

                      \u4e8c\u3001AES\u8be6\u89e3<\/h1>\n\n\n\n

                      AES\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u7684\u5730\u4f4d\uff1a\u88ab\u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u4e0e\u6280\u672f\u7814\u7a76\u9662\u4e8e2001\u5e74\u6b63\u5f0f\u91c7\u7eb3\u4e3a\u8054\u90a6\u4fe1\u606f\u5904\u7406\u6807\u51c6\u3002<\/p>\n\n\n\n

                      1\u3001AES\u7b97\u6cd5\u6982\u8ff0<\/h2>\n\n\n\n

                      AES\u662f\u4e00\u79cd\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u6570\u636e\u88ab\u5206\u5272\u6210\u56fa\u5b9a\u5927\u5c0f\u7684\u5757\uff08128\u4f4d|16\u5b57\u8282\uff09\u8fdb\u884c\u52a0\u5bc6\uff0cAES\u652f\u6301\u4e09\u79cd\u5bc6\u94a5\u957f\u5ea6\uff0c\u5206\u522b\u5bf9\u5e94128\u3001192\u3001256\u3002<\/p>\n\n\n\n

                      2.AES\u52a0\u5bc6\u539f\u7406<\/h2>\n\n\n\n

                      AES\u52a0\u5bc6\u603b\u4f53\u6b65\u9aa4<\/h3>\n\n\n\n

                      AES\u7b97\u6cd5\u91c7\u7528\u591a\u8f6e\u53d8\u6362\u64cd\u4f5c\u5b9e\u73b0\u52a0\u5bc6\uff0c\u6bcf\u8f6e\u90fd\u5305\u542b\u56db\u4e2a\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n

                      1\u3001\u5b57\u8282\u66ff\u6362\uff1a\u901a\u8fc7S\u76d2\u5b9e\u73b0\u975e\u7ebf\u6027\u5b57\u8282\u66ff\u6362<\/p>\n\n\n\n

                      2\u3001\u884c\u79fb\u4f4d\uff1a\u5bf9\u72b6\u6001\u77e9\u9635\u8fdb\u884c\u5faa\u73af\u79fb\u4f4d<\/p>\n\n\n\n

                      3\u3001\u5217\u6df7\u6dc6\uff1a\u5bf9\u5217\u8fdb\u884c\u7ebf\u6027\u53d8\u6362<\/p>\n\n\n\n

                      4\u3001\u8f6e\u5bc6\u94a5\u52a0\uff1a\u4e0e\u8f6e\u5bc6\u94a5\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97<\/p>\n\n\n\n

                      \u6211\u4eec\u53ef\u4ee5\u53d1\u73b0AES\u51e0\u4e4e\u96c6\u6210\u4e86\u4f20\u7edf\u52a0\u5bc6\u65b9\u5f0f\u7684\u6240\u6709\u53d8\u6362\u7279\u70b9\uff0c\u56e0\u6b64\u5176\u52a0\u5bc6\u7684\u590d\u6742\u6027\u4e5f\u76f8\u5bf9\u8f83\u9ad8<\/p>\n\n\n\n

                      AES\u7684\u5e38\u89c1\u6570\u636e\u89c4\u683c<\/h3>\n\n\n\n

                      AES-128:\u5bc6\u94a5\u957f\u5ea6128\u3001\u5206\u7ec4\u957f\u5ea6128\u3001\u8f6e\u657010<\/p>\n\n\n\n

                      AES-192:\u79d8\u94a5\u957f\u5ea6192\u3001\u5206\u7ec4\u957f\u5ea6128\u3001\u8f6e\u657012<\/p>\n\n\n\n

                      AES-256:\u5bc6\u94a5\u957f\u5ea6256\u3001\u5206\u7ec4\u957f\u5ea6128\u3001\u8f6e\u657014<\/p>\n\n\n\n

                      \u5bf9\u5e94\u5173\u7cfb\u901a\u5e38\u8bb0\u6210\uff1a<\/p>\n\n\n\n

                        \n
                      • Nb = 4<\/code>\uff0c\u8868\u793a\u72b6\u6001\u77e9\u9635\u6709 4 \u5217\uff08\u56fa\u5b9a\uff09 #Nb = BlockSize \/ 32 = 128 \/ 32 = 4<\/li>\n\n\n\n
                      • Nk = 4\/6\/8<\/code>\uff0c\u5bf9\u5e94\u5bc6\u94a5\u5b57\u6570\uff081\u5b57\u8868\u793a32\u5b57\u8282\uff09 #Nk = KeySize \/ 32<\/li>\n\n\n\n
                      • Nr = 10\/12\/14<\/code>\uff0c\u5bf9\u5e94\u8f6e\u6570 #Nr<\/code> \u7531\u5bc6\u94a5\u957f\u5ea6\u51b3\u5b9a<\/li>\n<\/ul>\n\n\n\n

                        \u5206\u5757<\/h3>\n\n\n\n

                        AES\u4e00\u6b21\u5904\u740616\u5b57\u8282\u8f93\u5165\u5757\uff0c\u8fd916\u5b57\u8282\u8f93\u5165\u5757\u4f1a\u88ab\u6392\u62104*4\u7684\u72b6\u6001\u77e9\u9635state<\/p>\n\n\n\n

                        \u5982\u679c\u660e\u6587\u5757\u662f\uff1ab<\/mi>0<\/mn><\/msub>,<\/mo>b<\/mi>1<\/mn><\/msub>,<\/mo>b<\/mi>2<\/mn><\/msub>,<\/mo>\u2026<\/mo>,<\/mo>b<\/mi>15<\/mn><\/msub><\/mrow>b_0,b_1,b_2,\\dots,b_{15}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                        AES \u5185\u90e8\u901a\u5e38\u6309\u5217\u586b\u5145\u4e3a\uff1a[<\/mo>b<\/mi>0<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>4<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>8<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>12<\/mn><\/msub><\/mstyle><\/mtd><\/mtr>b<\/mi>1<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>5<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>9<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>13<\/mn><\/msub><\/mstyle><\/mtd><\/mtr>b<\/mi>2<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>6<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>10<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>14<\/mn><\/msub><\/mstyle><\/mtd><\/mtr>b<\/mi>3<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>7<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>11<\/mn><\/msub><\/mstyle><\/mtd>b<\/mi>15<\/mn><\/msub><\/mstyle><\/mtd><\/mtr><\/mtable>]<\/mo><\/mrow>\\begin{bmatrix} b_0 & b_4 & b_8 & b_{12}\\\\ b_1 & b_5 & b_9 & b_{13}\\\\ b_2 & b_6 & b_{10} & b_{14}\\\\ b_3 & b_7 & b_{11} & b_{15} \\end{bmatrix}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                        AES\u6574\u4f53\u52a0\u5bc6\u6d41\u7a0b<\/h3>\n\n\n\n

                        AES\u4e0d\u662f\u4e00\u4e0a\u6765\u5c31\u5faa\u73af\u52a0\u5bc6\uff0c\u800c\u662f\u5148\u8fdb\u884c\u521d\u59cb\u8f6e\u5bc6\u94a5\u52a0\u3001\u4e2d\u95f4\u82e5\u5e72\u8f6e\u3001\u6700\u540e\u4e00\u8f6e<\/p>\n\n\n\n

                        \u4e0b\u9762\u4ee5AES-128\u4e3a\u4f8b\u5c55\u5f00\uff08\u4ee5\u4e0b\u540d\u8bcd\u5206\u522b\u5bf9\u5e94\u524d\u9762\u5199\u76844\u5927\u6b65\u9aa4\uff09<\/p>\n\n\n\n

                        1\uff09\u5148\u6267\u884c\u4e00\u6b21AddRoundKey<\/p>\n\n\n\n

                        2\uff09\u524d 9 \u8f6e<\/p>\n\n\n\n

                        \u6bcf\u8f6e\u6267\u884c\uff1a<\/p>\n\n\n\n

                        SubBytes<\/strong><\/p>\n\n\n\n

                        ShiftRows<\/strong><\/p>\n\n\n\n

                        MixColumns<\/strong><\/p>\n\n\n\n

                        AddRoundKey<\/strong><\/p>\n\n\n\n

                        3\uff09\u6700\u540e\u4e00\u8f6e<\/p>\n\n\n\n

                        \u6267\u884c\uff1a<\/p>\n\n\n\n

                          \n
                        • SubBytes<\/strong><\/li>\n\n\n\n
                        • ShiftRows<\/strong><\/li>\n\n\n\n
                        • AddRoundKey<\/strong><\/li>\n<\/ul>\n\n\n\n

                          \u6ce8\u610f\uff1a<\/p>\n\n\n\n

                          \u6700\u540e\u4e00\u8f6e\u6ca1\u6709 MixColumns\u3002<\/strong><\/p>\n\n\n\n

                          AES\u56db\u5927\u6838\u5fc3\u53d8\u6362\u8be6\u89e3<\/h3>\n\n\n\n

                          1.AddRoundKey\uff08\u8f6e\u5bc6\u94a5\u52a0\uff09<\/h4>\n\n\n\n

                          \u628a\u5f53\u524d\u72b6\u6001\u77e9\u9635 State \u4e0e\u8be5\u8f6e\u7684\u8f6e\u5bc6\u94a5\u9010\u5b57\u8282\u5f02\u6216\uff1aS<\/mi>t<\/mi>a<\/mi>t<\/mi>e<\/mi>=<\/mo>S<\/mi>t<\/mi>a<\/mi>t<\/mi>e<\/mi>\u2295<\/mo>R<\/mi>o<\/mi>u<\/mi>n<\/mi>d<\/mi>K<\/mi>e<\/mi>y<\/mi><\/mrow>State = State \\oplus RoundKey<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                          2.SubBytes\uff08\u5b57\u8282\u4ee3\u6362\uff09<\/h4>\n\n\n\n

                          \u5b83\u4f1a\u5bf9 State \u4e2d\u7684\u6bcf\u4e2a\u5b57\u8282\u5355\u72ec\u66ff\u6362\uff1ab<\/mi>\u21a6<\/mo>S<\/mi>(<\/mo>b<\/mi>)<\/mo><\/mrow>b \\mapsto S(b)<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                          \u8fd9\u4e2a S-box \u4e0d\u662f\u968f\u4fbf\u67e5\u8868\uff0c\u800c\u662f\u4e24\u6b65\u6784\u9020\u51fa\u6765\u7684\uff1a<\/p>\n\n\n\n

                          \u7b2c\u4e00\u6b65\uff1a\u5728 GF(2^8) \u4e2d\u6c42\u4e58\u6cd5\u9006<\/h5>\n\n\n\n

                          \u628a\u6bcf\u4e2a\u5b57\u8282\u770b\u6210\u6709\u9650\u57df GF(2^8) \u4e0a\u7684\u5143\u7d20\u3002
                          \u9664\u4e86 0 \u4ee5\u5916\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u53d6\u4e58\u6cd5\u9006\u5143\uff1b0 \u7279\u5224\u4e3a 0\u3002<\/p>\n\n\n\n

                          \u6709\u9650\u57df\u4f7f\u7528\u7684\u4e0d\u53ef\u7ea6\u591a\u9879\u5f0f\u662f\uff1am<\/mi>(<\/mo>x<\/mi>)<\/mo>=<\/mo>x<\/mi>8<\/mn><\/msup>+<\/mo>x<\/mi>4<\/mn><\/msup>+<\/mo>x<\/mi>3<\/mn><\/msup>+<\/mo>x<\/mi>+<\/mo>1<\/mn><\/mrow>m(x)=x^8+x^4+x^3+x+1<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                          \u5b83\u5bf9\u5e94\u5341\u516d\u8fdb\u5236 0x11B<\/code>\u3002<\/p>\n\n\n\n

                          \u7b2c\u4e8c\u6b65\uff1a\u505a\u4eff\u5c04\u53d8\u6362<\/h5>\n\n\n\n

                          \u5bf9\u9006\u5143\u7ed3\u679c\u518d\u8fdb\u884c\u4e00\u6b21\u7ebf\u6027\/\u4eff\u5c04\u53d8\u6362\uff0c\u5f97\u5230\u6700\u7ec8 S-box \u8f93\u51fa\u3002<\/p>\n\n\n\n

                          \u6240\u4ee5 AES \u7684 S-box \u4e0d\u662f\u4efb\u610f\u5e38\u91cf\u8868\uff0c\u800c\u662f\u6709\u660e\u786e\u4ee3\u6570\u7ed3\u6784\u3002<\/p>\n\n\n\n

                          3.ShiftRows\uff08\u884c\u79fb\u4f4d\uff09<\/h4>\n\n\n\n

                          \u8fd9\u4e00\u6b65\u5bf9 State \u7684\u6bcf\u4e00\u884c\u505a\u5faa\u73af\u5de6\u79fb\uff1a<\/p>\n\n\n\n

                            \n
                          • \u7b2c 0 \u884c\uff1a\u4e0d\u79fb<\/li>\n\n\n\n
                          • \u7b2c 1 \u884c\uff1a\u5de6\u79fb 1 \u5b57\u8282<\/li>\n\n\n\n
                          • \u7b2c 2 \u884c\uff1a\u5de6\u79fb 2 \u5b57\u8282<\/li>\n\n\n\n
                          • \u7b2c 3 \u884c\uff1a\u5de6\u79fb 3 \u5b57\u8282<\/li>\n<\/ul>\n\n\n\n

                            4.MixColumns\uff08\u5217\u6df7\u5408\uff09<\/h4>\n\n\n\n

                            \u5bf9 State \u7684\u6bcf\u4e00\u5217\uff0c\u90fd\u628a 4 \u4e2a\u5b57\u8282\u5f53\u6210\u4e00\u4e2a\u5411\u91cf\uff0c\u7136\u540e\u4e0e\u56fa\u5b9a\u77e9\u9635\u76f8\u4e58\uff1a[<\/mo>02<\/mn><\/mstyle><\/mtd>03<\/mn><\/mstyle><\/mtd>01<\/mn><\/mstyle><\/mtd>01<\/mn><\/mstyle><\/mtd><\/mtr>01<\/mn><\/mstyle><\/mtd>02<\/mn><\/mstyle><\/mtd>03<\/mn><\/mstyle><\/mtd>01<\/mn><\/mstyle><\/mtd><\/mtr>01<\/mn><\/mstyle><\/mtd>01<\/mn><\/mstyle><\/mtd>02<\/mn><\/mstyle><\/mtd>03<\/mn><\/mstyle><\/mtd><\/mtr>03<\/mn><\/mstyle><\/mtd>01<\/mn><\/mstyle><\/mtd>01<\/mn><\/mstyle><\/mtd>02<\/mn><\/mstyle><\/mtd><\/mtr><\/mtable>]<\/mo><\/mrow>\u22c5<\/mo>[<\/mo>s<\/mi>0<\/mn><\/msub><\/mstyle><\/mtd><\/mtr>s<\/mi>1<\/mn><\/msub><\/mstyle><\/mtd><\/mtr>s<\/mi>2<\/mn><\/msub><\/mstyle><\/mtd><\/mtr>s<\/mi>3<\/mn><\/msub><\/mstyle><\/mtd><\/mtr><\/mtable>]<\/mo><\/mrow><\/mrow>\\begin{bmatrix} 02 & 03 & 01 & 01\\\\ 01 & 02 & 03 & 01\\\\ 01 & 01 & 02 & 03\\\\ 03 & 01 & 01 & 02 \\end{bmatrix} \\cdot \\begin{bmatrix} s_0\\\\ s_1\\\\ s_2\\\\ s_3 \\end{bmatrix}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                            \u4e58\u6cd5\u548c\u52a0\u6cd5\u90fd\u4e0d\u662f\u666e\u901a\u6574\u6570\u8fd0\u7b97\uff0c\u800c\u662f\u5728 GF(2^8)<\/strong> \u4e2d\u8fdb\u884c\uff1a<\/p>\n\n\n\n

                              \n
                            • \u52a0\u6cd5 = XOR<\/li>\n\n\n\n
                            • \u4e58\u6cd5 = \u6709\u9650\u57df\u4e58\u6cd5<\/li>\n<\/ul>\n\n\n\n

                              \u4e09\u3001AES \u89e3\u5bc6\u8fc7\u7a0b<\/h1>\n\n\n\n

                              AES \u89e3\u5bc6\u4e0d\u662f\u201c\u628a\u52a0\u5bc6\u5012\u7740\u5199\u4e00\u4e0b\u201d\u90a3\u4e48\u7b80\u5355\uff0c\u4f46\u601d\u8def\u5c31\u662f\u5bf9\u6bcf\u6b65\u505a\u9006\u8fd0\u7b97\uff0c\u8fd9\u8fb9\u4e0d\u505a\u8be6\u7ec6\u9610\u8ff0\u4e86<\/p>\n\n\n\n

                              \u5bf9\u5e94\u56db\u4e2a\u9006\u53d8\u6362\uff1a<\/p>\n\n\n\n

                                \n
                              • InvSubBytes<\/strong><\/li>\n\n\n\n
                              • InvShiftRows<\/strong><\/li>\n\n\n\n
                              • InvMixColumns<\/strong><\/li>\n\n\n\n
                              • AddRoundKey<\/strong>\uff08\u5f02\u6216\u81ea\u5df1\u5c31\u662f\u9006\uff09<\/li>\n<\/ul>\n\n\n\n

                                \u89e3\u5bc6\u5927\u81f4\u6d41\u7a0b\u662f\uff1a<\/p>\n\n\n\n

                                  \n
                                1. \u5148\u52a0\u6700\u540e\u4e00\u8f6e\u8f6e\u5bc6\u94a5<\/li>\n\n\n\n
                                2. \u505a\u82e5\u5e72\u8f6e\u9006\u53d8\u6362<\/li>\n\n\n\n
                                3. \u6700\u540e\u4e00\u8f6e\u4e0d\u505a InvMixColumns<\/li>\n<\/ol>\n\n\n\n

                                  \u9006\u77e9\u9635\u5bf9\u5e94\u4e3a\uff1a[<\/mo>0<\/mn>E<\/mi><\/mrow><\/mstyle><\/mtd>0<\/mn>B<\/mi><\/mrow><\/mstyle><\/mtd>0<\/mn>D<\/mi><\/mrow><\/mstyle><\/mtd>09<\/mn><\/mstyle><\/mtd><\/mtr>09<\/mn><\/mstyle><\/mtd>0<\/mn>E<\/mi><\/mrow><\/mstyle><\/mtd>0<\/mn>B<\/mi><\/mrow><\/mstyle><\/mtd>0<\/mn>D<\/mi><\/mrow><\/mstyle><\/mtd><\/mtr>0<\/mn>D<\/mi><\/mrow><\/mstyle><\/mtd>09<\/mn><\/mstyle><\/mtd>0<\/mn>E<\/mi><\/mrow><\/mstyle><\/mtd>0<\/mn>B<\/mi><\/mrow><\/mstyle><\/mtd><\/mtr>0<\/mn>B<\/mi><\/mrow><\/mstyle><\/mtd>0<\/mn>D<\/mi><\/mrow><\/mstyle><\/mtd>09<\/mn><\/mstyle><\/mtd>0<\/mn>E<\/mi><\/mrow><\/mstyle><\/mtd><\/mtr><\/mtable>]<\/mo><\/mrow>\\begin{bmatrix} 0E & 0B & 0D & 09\\\\ 09 & 0E & 0B & 0D\\\\ 0D & 09 & 0E & 0B\\\\ 0B & 0D & 09 & 0E \\end{bmatrix}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                                  \u8fd9\u4e5f\u662f\u5728 GF(2^8) \u4e0a\u8fd0\u7b97\u3002<\/p>\n\n\n\n

                                  \u56db\u3001AES \u7684\u5bc6\u94a5\u6269\u5c55\uff08Key Schedule\uff09<\/h1>\n\n\n\n

                                  AES \u4e0d\u662f\u6bcf\u8f6e\u90fd\u76f4\u63a5\u62ff\u539f\u59cb\u5bc6\u94a5\u6765\u5f02\u6216\uff0c\u5b83\u4f1a\u5148\u628a\u4e3b\u5bc6\u94a5\u6269\u5c55\u6210\u591a\u4e2a \u8f6e\u5bc6\u94a5<\/strong>\u3002<\/p>\n\n\n\n

                                  1.AES-128 \u5bc6\u94a5\u6269\u5c55\u6838\u5fc3\u64cd\u4f5c<\/h2>\n\n\n\n

                                  \u8bbe\u539f\u59cb\u5bc6\u94a5\u5206\u6210 4 \u4e2a word\uff1aW<\/mi>0<\/mn><\/msub>,<\/mo>W<\/mi>1<\/mn><\/msub>,<\/mo>W<\/mi>2<\/mn><\/msub>,<\/mo>W<\/mi>3<\/mn><\/msub><\/mrow>W_0,W_1,W_2,W_3<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                                  \u540e\u9762\u9010\u6b65\u751f\u6210\uff1aW<\/mi>4<\/mn><\/msub>,<\/mo>W<\/mi>5<\/mn><\/msub>,<\/mo>\u2026<\/mo>,<\/mo>W<\/mi>43<\/mn><\/msub><\/mrow>W_4,W_5,\\dots,W_{43}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                                  \u89c4\u5219\u5927\u81f4\u662f\uff1a<\/p>\n\n\n\n

                                    \n
                                  • \u82e5 i mod Nk != 0<\/code>\uff0c\u5219 #Nk\u662f\u524d\u9762\u8bf4\u7684key\u7684\u5b57\u6570\uff0832bit\u4e3a\u4e00\u5b57\uff0c\u653e\u5728128\u91ccNk==4\uff09<\/li>\n<\/ul>\n\n\n\n

                                    W<\/mi>i<\/mi><\/msub>=<\/mo>W<\/mi>i<\/mi>\u2212<\/mo>N<\/mi>k<\/mi><\/mrow><\/msub>\u2295<\/mo>W<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub><\/mrow>W_i = W_{i-Nk} \\oplus W_{i-1}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n
                                      \n
                                    • \u82e5 i mod Nk = 0<\/code>\uff0c\u5219<\/li>\n<\/ul>\n\n\n\n

                                      W<\/mi>i<\/mi><\/msub>=<\/mo>W<\/mi>i<\/mi>\u2212<\/mo>N<\/mi>k<\/mi><\/mrow><\/msub>\u2295<\/mo>g<\/mi>(<\/mo>W<\/mi>i<\/mi>\u2212<\/mo>1<\/mn><\/mrow><\/msub>)<\/mo><\/mrow>W_i = W_{i-Nk} \\oplus g(W_{i-1})<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                                      \u5176\u4e2d\u51fd\u6570 g()<\/code> \u5305\u62ec\uff1a<\/p>\n\n\n\n

                                        \n
                                      1. RotWord<\/strong>\uff1a\u5faa\u73af\u5de6\u79fb 1 \u5b57\u8282<\/li>\n\n\n\n
                                      2. SubWord<\/strong>\uff1a\u6bcf\u5b57\u8282\u8fc7 S-box<\/li>\n\n\n\n
                                      3. Rcon<\/strong>\uff1a\u4e0e\u8f6e\u5e38\u91cf\u5f02\u6216<\/li>\n<\/ol>\n\n\n\n

                                        RotWord<\/h3>\n\n\n\n

                                        \u4f8b\u5982\uff1a[<\/mo>a<\/mi>0<\/mn><\/msub>,<\/mo>a<\/mi>1<\/mn><\/msub>,<\/mo>a<\/mi>2<\/mn><\/msub>,<\/mo>a<\/mi>3<\/mn><\/msub>]<\/mo>\u2192<\/mo>[<\/mo>a<\/mi>1<\/mn><\/msub>,<\/mo>a<\/mi>2<\/mn><\/msub>,<\/mo>a<\/mi>3<\/mn><\/msub>,<\/mo>a<\/mi>0<\/mn><\/msub>]<\/mo><\/mrow>[a_0,a_1,a_2,a_3] \\rightarrow [a_1,a_2,a_3,a_0]<\/annotation><\/semantics><\/math><\/p>\n\n\n\n

                                        SubWord<\/h3>\n\n\n\n

                                        \u628a 4 \u4e2a\u5b57\u8282\u5206\u522b\u7ecf\u8fc7 AES S-box \u66ff\u6362\u3002<\/p>\n\n\n\n

                                        Rcon<\/h3>\n\n\n\n

                                        \u8f6e\u5e38\u91cf\u4e00\u822c\u5199\u6210\uff1a<\/p>\n\n\n\n

                                          \n
                                        • 01 00 00 00<\/li>\n\n\n\n
                                        • 02 00 00 00<\/li>\n\n\n\n
                                        • 04 00 00 00<\/li>\n\n\n\n
                                        • 08 00 00 00<\/li>\n\n\n\n
                                        • 10 00 00 00<\/li>\n\n\n\n
                                        • ...<\/li>\n<\/ul>\n\n\n\n

                                          \u672c\u8d28\u662f\u6709\u9650\u57df\u4e2d\u7684\u5e42\u9012\u63a8\u3002<\/p>\n\n\n\n

                                          AES-256 \u7684\u5bc6\u94a5\u6269\u5c55\u7a0d\u590d\u6742<\/h2>\n\n\n\n

                                          AES-256 \u4e2d\uff1a<\/p>\n\n\n\n

                                            \n
                                          • Nk = 8<\/code><\/li>\n\n\n\n
                                          • \u67d0\u4e9b\u4f4d\u7f6e\u9664\u4e86 g()<\/code> \u5916\uff0c\u8fd8\u4f1a\u989d\u5916\u505a\u4e00\u6b21 SubWord<\/code><\/li>\n<\/ul>\n\n\n\n

                                            \u6240\u4ee5 AES-256 \u7684 key schedule \u548c AES-128 \u5e76\u4e0d\u53ea\u662f\u201c\u591a\u51e0\u8f6e\u201d\u90a3\u4e48\u7b80\u5355\u3002<\/p>\n\n\n\n

                                            \u4e94\u3001\u603b\u7ed3<\/h1>\n\n\n\n

                                            AES\u8d1f\u8d23\u5c0616\u5b57\u8282\u660e\u6587\u8fdb\u884c\u52a0\u5bc6\uff0c\u800c\u52a0\u5bc6\u6a21\u5f0f\u8d1f\u8d23\u628a\u8f93\u5165\u7684\u5185\u5bb9\uff08\u4efb\u610f\u957f\u5ea6\uff09\u62c6\u6210\u591a\u7ec416\u5b57\u8282\u7684\u5185\u5bb9\u518d\u8fdb\u884c\u52a0\u5bc6\uff0c\u5b9e\u73b0AES\u52a0\u5bc6\u7684\u8fde\u7eed\u6027\u3002\u672c\u4eba\u76ee\u524d\u5c1a\u672a\u89c1\u8fc7\u5bf9\u4e8eAES\u7b97\u6cd5\u7684\u9b54\u6539\u9898\u76ee\uff0c\u56e0\u6b64\uff0c\u505a CTF \u9006\u5411\u548c\u5e94\u6025\uff0cAES \u6700\u91cd\u8981\u7684\u4e0d\u662f\u201c\u80cc\u7b97\u6cd5\u201d\uff0c\u800c\u662f\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u5b83\u662f\u6807\u51c6\u5b9e\u73b0\u3001\u4ec0\u4e48\u65f6\u5019\u5b83\u88ab\u9519\u8bef\u4f7f\u7528\u3001\u4ec0\u4e48\u65f6\u5019\u5b83\u88ab\u6545\u610f\u6539\u574f\uff0c\u4ee5\u53ca\u4f60\u8be5\u4ece\u54ea\u91cc\u628a key \u548c\u6a21\u5f0f\u8bc1\u636e\u6316\u51fa\u6765\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                                            \u5728\u5b66\u4e60AES\u7b97\u6cd5\u4e4b\u524d\uff0c\u6700\u5148\u6e05\u695a\u5730\u5e94\u5f53\u662f\u4e03\u5927\u52a0\u5bc6\u6a21\u5f0f\uff0c\u8fd9\u4e03\u5927\u52a0\u5bc6\u6a21\u5f0f\u4e0b\u7684AES\u52a0\u5bc6\u6709\u7740\u5929\u58e4\u4e4b\u522b\uff0c\u56e0\u6b64\u672c\u6587\u5c06\u4eceAES\u76847\u5927\u52a0\u5bc6\u6a21\u5f0f\u5f00\u59cb …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-171","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/posts\/171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/comments?post=171"}],"version-history":[{"count":6,"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/posts\/171\/revisions"}],"predecessor-version":[{"id":185,"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/posts\/171\/revisions\/185"}],"wp:attachment":[{"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/media?parent=171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/categories?post=171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sherlock666.cn\/index.php\/wp-json\/wp\/v2\/tags?post=171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}