{"id":475825,"date":"2023-08-09T07:23:51","date_gmt":"2023-08-09T07:23:51","guid":{"rendered":""},"modified":"2023-09-05T11:11:21","modified_gmt":"2023-09-05T11:11:21","slug":"aes-encryption","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/aes-encryption\/","title":{"rendered":"AES\u6697\u53f7\u5316"},"content":{"rendered":"<p>AES \u6697\u53f7\u5316 (Advanced Encryption Standard \u306e\u7565) \u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5b89\u5168\u306b\u3057\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3001\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002Joan Daemen \u3068 Vincent Rijmen \u304c\u7387\u3044\u308b\u6697\u53f7\u5b66\u8005\u30c1\u30fc\u30e0\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f AES \u306f\u30012001 \u5e74\u306b\u6642\u4ee3\u9045\u308c\u306b\u306a\u3063\u305f\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u6a19\u6e96 (DES) \u306e\u5f8c\u7d99\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u5805\u7262\u6027\u3001\u52b9\u7387\u6027\u3001\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u901a\u4fe1\u3084\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u6697\u53f7\u5316\u306e\u4e8b\u5b9f\u4e0a\u306e\u6a19\u6e96\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>AES \u6697\u53f7\u5316\u306e\u8d77\u6e90\u306e\u6b74\u53f2<\/h2>\n<p>1990 \u5e74\u4ee3\u306b\u306f\u3001\u6280\u8853\u306e\u9032\u6b69\u306b\u3088\u308a DES \u306a\u3069\u306e\u53e4\u3044\u6697\u53f7\u5316\u65b9\u5f0f\u304c\u653b\u6483\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u308a\u3001\u5f37\u529b\u306a\u6697\u53f7\u5316\u6a19\u6e96\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u7c73\u56fd\u56fd\u7acb\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240 (NIST) \u306f 1997 \u5e74\u306b\u30b3\u30f3\u30c6\u30b9\u30c8\u3092\u958b\u59cb\u3057\u3001\u4e16\u754c\u4e2d\u306e\u6697\u53f7\u5b66\u8005\u306b\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u63d0\u51fa\u3092\u547c\u3073\u304b\u3051\u3001\u8a55\u4fa1\u3092\u4f9d\u983c\u3057\u307e\u3057\u305f\u3002\u6700\u521d\u306e 15 \u306e\u5019\u88dc\u306e\u4e2d\u304b\u3089\u3001Daemen \u3068 Rijmen \u304c\u63d0\u51fa\u3057\u305f Rijndael \u304c\u3001\u305d\u306e\u512a\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u6697\u53f7\u5316\u6a19\u6e96\u3068\u3057\u3066\u9078\u3070\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>AES\u6697\u53f7\u5316\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>AES \u306f\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001\u6697\u53f7\u5316\u3068\u5fa9\u53f7\u5316\u306e\u4e21\u65b9\u306b\u540c\u3058\u30ad\u30fc\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u901a\u5e38\u306f 128\u3001192\u3001\u307e\u305f\u306f 256 \u30d3\u30c3\u30c8\u306e\u56fa\u5b9a\u30b5\u30a4\u30ba\u306e\u30c7\u30fc\u30bf \u30d6\u30ed\u30c3\u30af\u3067\u52d5\u4f5c\u3057\u3001\u30e9\u30a6\u30f3\u30c9\u3068\u547c\u3070\u308c\u308b\u4e00\u9023\u306e\u6570\u5b66\u7684\u5909\u63db\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u96e3\u8aad\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f 128\u3001192\u3001\u307e\u305f\u306f 256 \u30d3\u30c3\u30c8\u306e\u30ad\u30fc \u30b5\u30a4\u30ba\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30e9\u30a6\u30f3\u30c9\u6570\u306f\u30ad\u30fc \u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002128 \u30d3\u30c3\u30c8 \u30ad\u30fc\u306e\u5834\u5408\u306f 10 \u30e9\u30a6\u30f3\u30c9\u3001192 \u30d3\u30c3\u30c8 \u30ad\u30fc\u306e\u5834\u5408\u306f 12 \u30e9\u30a6\u30f3\u30c9\u3001256 \u30d3\u30c3\u30c8 \u30ad\u30fc\u306e\u5834\u5408\u306f 14 \u30e9\u30a6\u30f3\u30c9\u3067\u3059\u3002\u5404\u30e9\u30a6\u30f3\u30c9\u306f\u3001SubBytes\u3001ShiftRows\u3001MixColumns\u3001\u304a\u3088\u3073 AddRoundKey \u306e 4 \u3064\u306e\u7570\u306a\u308b\u5909\u63db\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5909\u63db\u306b\u306f\u3001\u7f6e\u63db\u3001\u8ee2\u7f6e\u3001\u304a\u3088\u3073\u30d3\u30c3\u30c8\u5358\u4f4d\u306e\u64cd\u4f5c\u304c\u542b\u307e\u308c\u3001\u5404\u30c7\u30fc\u30bf \u30d6\u30ed\u30c3\u30af\u304c\u6697\u53f7\u5316\u30ad\u30fc\u3068\u30a8\u30f3\u30bf\u30f3\u30b0\u30eb\u30e1\u30f3\u30c8\u5316\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>AES\u6697\u53f7\u5316\u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>AES \u6697\u53f7\u5316\u306e\u52d5\u4f5c\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ad\u30fc\u62e1\u5f35<\/strong>: \u521d\u671f\u6697\u53f7\u5316\u30ad\u30fc\u304b\u3089\u30ad\u30fc\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u521d\u56de\u30e9\u30a6\u30f3\u30c9<\/strong>\u6700\u521d\u306e\u30e9\u30a6\u30f3\u30c9\u3067\u306f\u3001\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8 \u30d6\u30ed\u30c3\u30af\u3068\u6700\u521d\u306e\u30e9\u30a6\u30f3\u30c9 \u30ad\u30fc\u306e\u9593\u3067\u5358\u7d14\u306a XOR \u6f14\u7b97\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e1\u30a4\u30f3\u30e9\u30a6\u30f3\u30c9<\/strong>: \u4e00\u9023\u306e\u30e9\u30a6\u30f3\u30c9 (10\u300112\u3001\u307e\u305f\u306f 14) \u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u5404\u30e9\u30a6\u30f3\u30c9\u306f\u3001SubBytes\u3001ShiftRows\u3001MixColumns\u3001\u304a\u3088\u3073 AddRoundKey \u5909\u63db\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6700\u7d42\u30e9\u30a6\u30f3\u30c9<\/strong>: \u6700\u5f8c\u306e\u30e9\u30a6\u30f3\u30c9\u3067\u306f\u3001\u5fa9\u53f7\u5316\u30d7\u30ed\u30bb\u30b9\u3092\u7c21\u7d20\u5316\u3059\u308b\u305f\u3081\u306b MixColumns \u5909\u63db\u304c\u9664\u5916\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u51fa\u529b<\/strong>: \u3059\u3079\u3066\u306e\u30e9\u30a6\u30f3\u30c9\u304c\u5b8c\u4e86\u3057\u305f\u5f8c\u3001\u6700\u7d42\u7684\u306a\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>AES\u6697\u53f7\u5316\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<ol>\n<li>\n<p><strong>\u5b89\u5168<\/strong>AES \u306f\u5b89\u5168\u6027\u304c\u975e\u5e38\u306b\u9ad8\u3044\u3068\u5e83\u304f\u8003\u3048\u3089\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u307e\u3067\u306e\u3068\u3053\u308d\u5b9f\u7528\u7684\u306a\u8106\u5f31\u6027\u3084\u5f31\u70b9\u306f\u767a\u898b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>AES \u306f\u8907\u96d1\u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u52b9\u7387\u7684\u306b\u5b9f\u88c5\u3067\u304d\u308b\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u67d4\u8edf\u6027<\/strong>AES \u306f\u8907\u6570\u306e\u30ad\u30fc \u30b5\u30a4\u30ba\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u653b\u6483\u306b\u5bfe\u3059\u308b\u8010\u6027<\/strong>AES \u306f\u3001\u5dee\u5206\u653b\u6483\u3084\u7dda\u5f62\u653b\u6483\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6697\u53f7\u5316\u653b\u6483\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u5b9f\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>AES\u6697\u53f7\u5316\u306e\u7a2e\u985e<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u30ad\u30fc\u30b5\u30a4\u30ba\uff08\u30d3\u30c3\u30c8\uff09<\/th>\n<th>\u30e9\u30a6\u30f3\u30c9\u6570<\/th>\n<th>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>128<\/td>\n<td>10<\/td>\n<td>\u307b\u3068\u3093\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u6c4e\u7528\u6697\u53f7\u5316\u3002<\/td>\n<\/tr>\n<tr>\n<td>192<\/td>\n<td>12<\/td>\n<td>\u3088\u308a\u9ad8\u3044\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>256<\/td>\n<td>14<\/td>\n<td>\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u3088\u308a\u591a\u304f\u306e\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>AES \u6697\u53f7\u5316\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u554f\u984c\u3001\u89e3\u6c7a\u7b56<\/h2>\n<h3>AES \u6697\u53f7\u5316\u306e\u4f7f\u7528\u65b9\u6cd5:<\/h3>\n<ul>\n<li>\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u8ee2\u9001: \u901a\u4fe1\u4e2d\u306b\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u508d\u53d7\u3084\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u6697\u53f7\u5316: \u6a5f\u5bc6\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u30d5\u30a1\u30a4\u30eb\u3068\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li>\n<li>\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316: \u4fdd\u5b58\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u30b9\u30c8\u30ec\u30fc\u30b8 \u30c7\u30d0\u30a4\u30b9\u5168\u4f53\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ul>\n<li><strong>\u9375\u306e\u7ba1\u7406<\/strong>: \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u30ad\u30fc\u7ba1\u7406\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5b89\u5168\u306a\u30ad\u30fc\u306e\u4fdd\u7ba1\u304a\u3088\u3073\u914d\u5e03\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63a1\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483<\/strong>AES \u306f\u3001\u96fb\u529b\u6d88\u8cbb\u3084\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u57fa\u3065\u304f\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483\u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8105\u5a01\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306e\u5bfe\u7b56\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>: \u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u53f0\u982d\u306b\u3088\u308a\u3001AES-256 \u306f\u8106\u5f31\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u5316\u65b9\u5f0f\u304c\u89e3\u6c7a\u7b56\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AES \u5bfe DES<\/td>\n<td>AES \u306f\u3001\u65e7\u5f0f\u306e DES \u306b\u6bd4\u3079\u3066\u3001\u3088\u308a\u9ad8\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u52b9\u7387\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>AES \u5bfe RSA<\/td>\n<td>AES \u306f\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001RSA \u306f\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u5b89\u5168\u306a\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u4e00\u7dd2\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>AES \u5bfe Blowfish<\/td>\n<td>AES \u306f\u4e00\u822c\u306b\u3001\u901f\u5ea6\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u70b9\u3067 Blowfish \u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>AES-128 \u3068 AES-256<\/td>\n<td>AES-256 \u306f\u3088\u308a\u9ad8\u3044\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001AES-128 \u3068\u6bd4\u8f03\u3057\u3066\u3088\u308a\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>AES\u6697\u53f7\u5316\u306b\u95a2\u3059\u308b\u5c55\u671b\u3068\u5c06\u6765\u306e\u6280\u8853<\/h2>\n<p>AES \u6697\u53f7\u5316\u306e\u5c06\u6765\u306f\u3001\u65b0\u305f\u306a\u6280\u8853\u3084\u8105\u5a01\u3078\u306e\u9069\u5fdc\u6027\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u7814\u7a76\u8005\u3084\u6697\u53f7\u5b66\u8005\u306f\u3001\u6f5c\u5728\u7684\u306a\u8106\u5f31\u6027\u3084\u6539\u5584\u70b9\u3092\u7d99\u7d9a\u7684\u306b\u8abf\u67fb\u3057\u3066\u3044\u307e\u3059\u3002AES \u6697\u53f7\u5316\u306b\u95a2\u9023\u3059\u308b\u5c06\u6765\u306e\u6280\u8853\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8a8d\u8a3c\u3055\u308c\u305f\u6697\u53f7\u5316<\/strong>: \u6697\u53f7\u5316\u3068\u8a8d\u8a3c\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u6a5f\u5bc6\u6027\u3068\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306e\u4e21\u65b9\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6e96\u540c\u578b\u6697\u53f7\u5316<\/strong>: \u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5fa9\u53f7\u5316\u305b\u305a\u306b\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u51e6\u7406\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u8010\u91cf\u5b50\u6697\u53f7\u5316<\/strong>\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8105\u5a01\u306b\u8010\u3048\u308b\u6697\u53f7\u5316\u65b9\u5f0f\u306e\u958b\u767a\u3002<\/li>\n<\/ul>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092 AES \u6697\u53f7\u5316\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306f AES \u6697\u53f7\u5316\u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b21\u306e\u65b9\u6cd5\u3067 AES \u6697\u53f7\u5316\u3068\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u4f1d\u9001<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u3092\u5b9b\u5148\u30b5\u30fc\u30d0\u30fc\u306b\u4e2d\u7d99\u3059\u308b\u524d\u306b AES \u3092\u4f7f\u7528\u3057\u3066\u6697\u53f7\u5316\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3055\u3089\u306b\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u533f\u540d\u6027<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u5185\u306e AES \u6697\u53f7\u5316\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3068\u500b\u4eba\u60c5\u5831\u3092\u76d7\u8074\u304b\u3089\u4fdd\u8b77\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>AES \u6697\u53f7\u5316\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li>NIST: AES (<a href=\"https:\/\/csrc.nist.gov\/projects\/advanced-encryption-standard\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/csrc.nist.gov\/projects\/advanced-encryption-standard<\/a>)<\/li>\n<li>\u30b8\u30e7\u30a2\u30f3\u30fb\u30c7\u30a4\u30e1\u30f3\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8: (<a href=\"http:\/\/www.daemen.name\/\" target=\"_new\" rel=\"noopener nofollow\">http:\/\/www.daemen.name\/<\/a>)<\/li>\n<li>\u30f4\u30a3\u30f3\u30bb\u30f3\u30c8\u30fb\u30e9\u30a4\u30e1\u30f3\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8: (<a href=\"https:\/\/www.esat.kuleuven.be\/cosic\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.esat.kuleuven.be\/cosic\/<\/a>)<\/li>\n<\/ol>\n<p>AES \u6697\u53f7\u5316\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u6642\u4ee3\u306e\u30c7\u30fc\u30bf\u4fdd\u8b77\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5185\u90e8\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u3001\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u5b89\u5168\u306a\u901a\u4fe1\u3092\u78ba\u4fdd\u3057\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>","protected":false},"featured_media":475557,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475825","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>AES Encryption: Ensuring Secure Data Transmission with Advanced Encryption Standard<\/mark>","faq_items":[{"question":"What is AES encryption, and why is it important?","answer":"<p>AES encryption, short for Advanced Encryption Standard, is a powerful symmetric encryption algorithm used to secure data transmission and protect sensitive information from unauthorized access. It is essential for ensuring data privacy and maintaining confidentiality in various applications, such as online communication and information security.<\/p>"},{"question":"How did AES encryption come into existence?","answer":"<p>AES encryption originated from a competition held by the U.S. National Institute of Standards and Technology (NIST) in 1997. Cryptographers worldwide participated, and out of fifteen initial candidates, the Rijndael algorithm, submitted by Joan Daemen and Vincent Rijmen, was chosen as the new encryption standard due to its superior security and performance attributes.<\/p>"},{"question":"How does AES encryption work?","answer":"<p>AES encryption works on fixed-size blocks of data, typically 128, 192, or 256 bits, using a series of mathematical transformations called rounds. These rounds include SubBytes, ShiftRows, MixColumns, and AddRoundKey, which obscure the data with the encryption key, making it secure from unauthorized access.<\/p>"},{"question":"What are the main features of AES encryption?","answer":"<p>AES encryption offers several key features, including high security with no practical vulnerabilities, efficient performance in hardware and software implementations, flexibility in supporting different key sizes, and resistance to cryptographic attacks.<\/p>"},{"question":"What are the types of AES encryption available?","answer":"<p>AES encryption comes in three types based on key sizes: AES-128, AES-192, and AES-256. AES-128 uses a 128-bit key, AES-192 uses a 192-bit key, and AES-256 uses a 256-bit key. The higher the key size, the stronger the encryption, but it requires more computational resources.<\/p>"},{"question":"In what ways can AES encryption be used?","answer":"<p>AES encryption has multiple applications, such as securing data transmission to prevent interception, encrypting files and documents to maintain confidentiality, and encrypting entire storage devices to protect data at rest.<\/p>"},{"question":"What are some potential problems with AES encryption and their solutions?","answer":"<p>Common issues with AES encryption include key management, side-channel attacks based on power consumption or timing, and the potential threat of quantum computing. Solutions involve secure key storage and distribution, implementing countermeasures against side-channel attacks, and exploring post-quantum encryption methods.<\/p>"},{"question":"How does AES encryption compare to other encryption methods?","answer":"<p>AES surpasses its predecessor DES in security and efficiency. It differs from RSA, which is an asymmetric encryption algorithm, and outperforms Blowfish in terms of speed and security. AES-256 provides higher security than AES-128 but requires more resources.<\/p>"},{"question":"What future technologies are related to AES encryption?","answer":"<p>The future of AES encryption lies in technologies like authenticated encryption, homomorphic encryption, and quantum-resistant encryption. These advancements aim to enhance data security and privacy in the face of evolving threats.<\/p>"},{"question":"How are proxy servers associated with AES encryption?","answer":"<p>Proxy servers can enhance security by encrypting data using AES before relaying it to the destination server. This added layer of encryption helps protect users' online activities and personal information from potential eavesdropping.<\/p><p>For more information, check out the related links provided in the article!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/475825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/475825\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/475557"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=475825"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}