{"id":757,"date":"2023-05-19T11:44:17","date_gmt":"2023-05-19T03:44:17","guid":{"rendered":"https:\/\/cms.aaasec.com.tw\/?p=757"},"modified":"2023-05-19T17:03:04","modified_gmt":"2023-05-19T09:03:04","slug":"aes02","status":"publish","type":"post","link":"https:\/\/cms.aaasec.com.tw\/index.php\/2023\/05\/19\/aes02\/","title":{"rendered":"\u300a\u73fe\u4ee3\u52a0\u5bc6\u6280\u8853 \u2500 \u9032\u968e\u52a0\u5bc6\u6cd5AES\u300b\u4e0b\u7bc7"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u524d\u8a00<\/strong><\/p>\n\n\n\n

\u5728\u4e0a\u4e00\u7bc7AES\u52a0\u5bc6\u6cd5\u7684\u4ecb\u7d39\u4e2d\uff0c\u6211\u5011\u8a8d\u8b58\u5230\u4ed6\u7684\u6b77\u53f2\u53ca\u61c9\u7528\uff0c\u4e5f\u700f\u89bd\u5728\u7121\u7dda\u7db2\u8def\u3001\u96fb\u5b50\u5546\u52d9\u6216\u662f\u8edf\u786c\u9ad4\u5be6\u73fe\u4e0a\u7684\u61c9\u7528\u3002\u800c\u73fe\u5728\u9019\u4e00\u7bc7\u5247\u662f\u8981\u4f86\u8ac7\u8ac7AES\u7684\u5143\u4ef6\u4ee5\u53ca\u5176\u64cd\u4f5c\u7684\u539f\u7406\uff0c\u9032\u4e00\u6b65\u63a2\u7d22\u8a72\u600e\u9ebc\u5be6\u73fe\u3002<\/p>\n\n\n\n

\uff08\u5ef6\u4f38\u95b1\u8b80\uff1a\u300a\u73fe\u4ee3\u52a0\u5bc6\u6280\u8853 \u2500 \u9032\u968e\u52a0\u5bc6\u6cd5AES\u300b\u4e0a\u7bc7<\/a>\uff09<\/p>\n\n\n\n

AES<\/strong>\u52a0\u5bc6\u6d41\u7a0b<\/strong><\/strong><\/p>\n\n\n\n

\u5728\u4ecb\u7d39AES\u52a0\u5bc6\u6cd5\u600e\u9ebc\u904b\u4f5c\u4e4b\u524d\uff0c\u6211\u5011\u5fc5\u9808\u5148\u4e86\u89e3\u4ed6\u5c0d\u65bc\u660e\u6587\u5340\u584a\u548c\u91d1\u9470\u7684\u9577\u5ea6\u7684\u898f\u7bc4\u3002\u5728\u4e0a\u7bc7\u4e2d\u6709\u63d0\u5230\u7684Rijndael\u6f14\u7b97\u6cd5\u652f\u63f4128\u3001192\u6216\u662f256\u500b\u4f4d\u5143\u7684\u660e\u6587\u5340\u584a\uff0c\u96d6\u7136\u539f\u7406\u76f8\u540c\uff0c\u4f46\u70ba\u4e86\u65b9\u4fbf\u4f7f\u7528\uff0cAES\u52a0\u5bc6\u6cd5\u6bcf\u7d44\u53ea\u63d0\u4f9b\u4e86128\u4f4d\u5143\u7684\u5340\u584a\u4f86\u5b58\u653e\u660e\u6587\u8cc7\u6599\u3002\u800c\u91d1\u9470\u9577\u5ea6\u5c31\u4e0d\u4e00\u6a23\uff0c\u7531\u65bc\u6709128\u3001192\u3001256\u4e09\u500b\u4f4d\u5143\u9577\u5ea6\u53ef\u4ee5\u9078\u64c7\uff0c\u56e0\u6b64\u5bc6\u78bc\u7684\u7cfb\u7d71\u6709AES-128\u3001AES-192\u53caAES-256\u4e09\u7a2e\u3002\u4e0b\u8868\u53ef\u4ee5\u770b\u51fa\u4e09\u7a2e\u4e0d\u540c\u9577\u5ea6\u91d1\u9470\u6240\u9700\u8981\u52a0\u5bc6\u7684\u8f2a\u6578\u4e5f\u6709\u4e0d\u540c\u3002<\/p>\n\n\n\n

AES<\/td>\u91d1\u9470\u9577\u5ea6: \u53ef\u5206\u70ba\u5e7e\u500b32bits\u5340\u6bb5<\/td>\u5206\u7d44\u9577\u5ea6: 128bits \/ 32bits<\/td>\u52a0\u5bc6\u91cd\u8907\u6b21\u6578: 6 + max(\u91d1\u9470, \u5206\u7d44)<\/td><\/tr>
AES-128<\/td>4<\/td>4<\/td>10<\/td><\/tr>
AES-192<\/td>6<\/td>4<\/td>12<\/td><\/tr>
AES-256<\/td>8<\/td>4<\/td>14<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u90a3\u6709\u660e\u6587\u8ddf\u91d1\u9470\uff0c\u6211\u5011\u8a72\u600e\u9ebc\u52a0\u5bc6\u5462\uff1f\u6211\u5011\u5c07\u4ed6\u653e\u5728\u4e00\u500b4*4\u7684\u4f4d\u5143\u7d44\u77e9\u9663\uff08\u4e5f\u7a31\u70bastate\uff09\u4f86\u904b\u7b97\uff0c\u800cstate\u4e2d\u7684\u6bcf\u4e00\u500b\u5143\u7d20\u5c31\u662f\u660e\u6587\u4e2d\u7684\u4e00\u500bbyte\uff0c\u6bcf\u4e00\u6b21\u52a0\u5bc6\u5c31\u6703\u9032\u884c\u4ee5\u4e0b\u56db\u500b\u6b65\u9a5f\uff1a<\/p>\n\n\n\n

  1. AddRoundKey\u2014state\u4e2d\u7684\u6bcf\u500b\u4f4d\u5143\u7d44\u90fd\u548c\u91d1\u9470\u505aXOR\u904b\u7b97\uff0c\u76ee\u7684\u662f\u70ba\u4e86\u6df7\u6dc6\u5bc6\u6587\u3001\u660e\u6587\u548c\u5bc6\u9470\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/li>
  2. SubBytes\u2014\u5c07\u6bcf\u500b\u4f4d\u5143\u7d44\u900f\u904e\u4e00\u500b8\u4f4d\u5143\u7684Substitution-box\u9032\u884c\u67e5\u627e\u548c\u66ff\u63db\u8f38\u5165\u72c0\u614b\u7684\u64cd\u4f5c\uff0c\u4ee5\u5be6\u73fe\u53ef\u9006\u7684\u975e\u7dda\u6027\u8b8a\u63db\u3002<\/li>
  3. ShiftRows\u2014\u9019\u4e00\u6b65\u9a5f\u662f\u8b93state\u4e2d\u6bcf\u4e00\u884c\u90fd\u504f\u79fb\u4e00\u4e9b\uff0c\u7528\u4f86\u63d0\u4f9b\u6b64\u6f14\u7b97\u6cd5\u64f4\u6563\u6027<\/li>
  4. MixColumns\u2014\u5c07state\u8207\u4e00\u500b\u56fa\u5b9a\u77e9\u9663C\u76f8\u4e58\uff0c\u4f7f\u5217\u4e5f\u6709\u64f4\u6563\u6027\u3002<\/li><\/ol>\n\n\n\n

    \u4ee5AES-128\u70ba\u4f8b\uff0c\u6211\u5011\u5df2\u7d93\u77e5\u9053\u7e3d\u5171\u6703\u670910\u8f2a\u7684\u52a0\u5bc6\u6b21\u6578\uff0c\u56e0\u6b64\u524d\u97629\u8f2a\u5176\u5be6\u90fd\u662f\u91cd\u8907\u9032\u884c\u4e0a\u8ff0\u7684\u56db\u500b\u6b65\u9a5f\uff0c\u4f46\u5728\u6700\u5f8c\u4e00\u8f2a\u4e2d\u9032\u884c\u4e86\u7279\u6b8a\u8655\u7406\uff0c\u5c11\u6389\u4e86MixColumns\u9019\u4e00\u6b65\u9a5f\uff0c\u4e0b\u5716\u7c21\u55ae\u63cf\u8ff0\u4e86AES-128\u52a0\u5bc6\u7684\u6d41\u7a0b\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u5176\u4ed6AES\u7cfb\u7d71\u7684\u505a\u6cd5\u4e5f\u662f\u4f9d\u7167\u6b64\u6a21\u578b\u53bb\u5be6\u4f5c\uff0c\u800c\u56e0\u70ba\u52a0\u5bc6\u904e\u7a0b\u6709\u4e00\u5b9a\u7684\u898f\u5f8b\uff0c\u56e0\u6b64\u82e5\u8981\u89e3\u5bc6\u6642\u53ea\u8981\u7167\u8457\u6b65\u9a5f\u9006\u8f49\u63db\u5c31\u80fd\u5f97\u51fa\u539f\u672c\u7684\u660e\u6587\u3002\u6216\u8a31\u9019\u500b\u52a0\u5bc6\u6cd5\u770b\u4f3c\u7c21\u55ae\u3001\u5f88\u5bb9\u6613\u5c31\u80fd\u7406\u89e3\uff0c\u4f46\u5176\u5be6\u5b83\u8a2d\u8a08\u7d50\u69cb\u548c\u5bc6\u9470\u7684\u9577\u5ea6\u4e0a\u5df2\u7d93\u9054\u5230\u53ef\u4ee5\u4fdd\u8b77\u6a5f\u5bc6\u8cc7\u6599\u7684\u6a19\u6e96\uff0c\u751a\u81f3\u7f8e\u570b\u4e5f\u5df2\u7d93\u6279\u51c6\u5c07\u5176\u904b\u7528\u5728\u6700\u9ad8\u53ca\u570b\u5bb6\u5b89\u5168\u6a5f\u5bc6\u7684\u50b3\u905e\u4e0a\u3002<\/p>\n\n\n\n

    \u7d50\u8a9e<\/strong><\/strong><\/p>\n\n\n\n

    AES\u52a0\u5bc6\u6cd5\u9019\u7a2e\u88ab\u7528\u5728\u570b\u5bb6\u7b49\u7d1a\u5b89\u5168\u9632\u8b77\u4e0a\u7684\u6f14\u7b97\u6cd5\uff0c\u5176\u5be6\u4e5f\u53ef\u4ee5\u904b\u7528\u5728\u6211\u5011\u7684\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u5f88\u5bb9\u6613\u5c31\u80fd\u627e\u5230\u8cc7\u6e90\u4e26\u5229\u7528\u3002\u5982\u679c\u6709\u8208\u8da3\uff0c\u4e0d\u59a8\u4e5f\u81ea\u5df1\u5617\u8a66\u4f7f\u7528\u770b\u770b\u9019\u500b\u7c21\u55ae\u53c8\u6709\u6548\u7684\u52a0\u5bc6\u6cd5\u5427\uff01<\/p>\n\n\n\n

    \n\n\n\n

    <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    \u524d\u8a00 \u5728\u4e0a\u4e00\u7bc7AES\u52a0\u5bc6\u6cd5\u7684\u4ecb\u7d39\u4e2d\uff0c\u6211\u5011…<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts\/757"}],"collection":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/comments?post=757"}],"version-history":[{"count":3,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts\/757\/revisions"}],"predecessor-version":[{"id":763,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/posts\/757\/revisions\/763"}],"wp:attachment":[{"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/media?parent=757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/categories?post=757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms.aaasec.com.tw\/index.php\/wp-json\/wp\/v2\/tags?post=757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}