{"id":477412,"date":"2023-08-09T09:14:25","date_gmt":"2023-08-09T09:14:25","guid":{"rendered":""},"modified":"2023-09-05T11:14:40","modified_gmt":"2023-09-05T11:14:40","slug":"handshake-protocol","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/handshake-protocol\/","title":{"rendered":"\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb"},"content":{"rendered":"<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u4e3b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e 2 \u8005\u9593\u3067\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6697\u53f7\u5316\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u7279\u306b\u3001Web \u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u4ea4\u63db\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u306e\u305d\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306a\u3069\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u3001\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u4e00\u9023\u306e\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6280\u8853\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u5f53\u4e8b\u8005\u304c\u76f8\u4e92\u306b\u8a8d\u8a3c\u3057\u3001\u6697\u53f7\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30cd\u30b4\u30b7\u30a8\u30fc\u30c8\u3057\u3001\u30c7\u30fc\u30bf\u4ea4\u63db\u7528\u306e\u5b89\u5168\u306a\u30c1\u30e3\u30cd\u30eb\u3092\u78ba\u7acb\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6b74\u53f2\u306f\u3001\u5b89\u5168\u306a\u901a\u4fe1\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u521d\u671f\u306e\u9803\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u30021970 \u5e74\u4ee3\u5f8c\u534a\u304b\u3089 1980 \u5e74\u4ee3\u524d\u534a\u306b\u304b\u3051\u3066\u3001\u3053\u308c\u3089\u306e\u61f8\u5ff5\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001SSL (Secure Socket Layer) \u3084 TLS (Transport Layer Security) \u306a\u3069\u306e\u521d\u671f\u306e\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u6697\u53f7\u5316\u3068\u8a8d\u8a3c\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u65e5\u77e5\u3089\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u6700\u65b0\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u95a2\u3059\u308b\u6700\u521d\u306e\u8a00\u53ca\u306f\u30012008 \u5e74 8 \u6708\u306b\u516c\u958b\u3055\u308c\u305f Internet Engineering Task Force (IETF) \u306e Request for Comments (RFC) 5246 \u306b\u3042\u308a\u307e\u3059\u3002\u3053\u306e RFC \u3067\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u8a73\u7d30\u306a\u8aac\u660e\u3092\u542b\u3080\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 (TLS) \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 1.2 \u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002TLS 1.3 \u306a\u3069\u306e TLS \u306e\u5f8c\u7d9a\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u5f15\u304d\u7d9a\u304d\u6539\u826f\u304a\u3088\u3073\u5f37\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001TLS \u30d7\u30ed\u30c8\u30b3\u30eb \u30b9\u30a4\u30fc\u30c8\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u305d\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u3001\u5b89\u5168\u306a\u30ad\u30fc\u4ea4\u63db\u3092\u53ef\u80fd\u306b\u3057\u3001\u305d\u306e\u5f8c\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u4f7f\u7528\u3055\u308c\u308b\u6697\u53f7\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30cd\u30b4\u30b7\u30a8\u30fc\u30c8\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (Web \u30d6\u30e9\u30a6\u30b6\u306a\u3069) \u304c\u30b5\u30fc\u30d0\u30fc (Web \u30b5\u30a4\u30c8\u306a\u3069) \u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u958b\u59cb\u3055\u308c\u3001\u4e21\u8005\u306e\u9593\u306b\u5b89\u5168\u306a\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u305d\u306e\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u4e00\u9023\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3053\u3093\u306b\u3061\u306f<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30ea\u30b9\u30c8\u3057\u305f ClientHello \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d0\u30fc\u3053\u3093\u306b\u3061\u306f<\/strong>: \u5fdc\u7b54\u3068\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u9078\u629e\u3055\u308c\u305f\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u793a\u3059 ServerHello \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u306e\u4ea4\u63db<\/strong>: \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u9375\u3092\u542b\u3080\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u8a3c\u660e\u66f8\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e ID \u3092\u8a8d\u8a3c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9375\u4ea4\u63db<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u30d7\u30ec\u30de\u30b9\u30bf\u30fc \u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u3092\u751f\u6210\u3057\u3001\u8a3c\u660e\u66f8\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u3053\u306e\u6697\u53f7\u5316\u3055\u308c\u305f\u30d7\u30ec\u30de\u30b9\u30bf\u30fc \u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u306e\u5c0e\u51fa<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306f\u4e21\u65b9\u3068\u3082\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u4e2d\u306b\u4ea4\u63db\u3055\u308c\u305f\u30d7\u30ec\u30de\u30b9\u30bf\u30fc\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u3068\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304b\u3089\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u3092\u72ec\u7acb\u3057\u3066\u5c0e\u51fa\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d42\u4e86\u3057\u305f<\/strong>: \u5f53\u4e8b\u8005\u306f Finished \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4ea4\u63db\u3057\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u5b8c\u4e86\u3057\u3001\u63a5\u7d9a\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u6b63\u5e38\u306b\u5b8c\u4e86\u3059\u308b\u3068\u3001\u5b89\u5168\u306a\u30c1\u30e3\u30cd\u30eb\u304c\u78ba\u7acb\u3055\u308c\u3001\u30cd\u30b4\u30b7\u30a8\u30fc\u30c8\u3055\u308c\u305f\u6697\u53f7\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u5f8c\u7d9a\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u305d\u308c\u305e\u308c\u7279\u5b9a\u306e\u76ee\u7684\u3092\u679c\u305f\u3059\u8907\u6570\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30e1\u30c3\u30bb\u30fc\u30b8 \u30bf\u30a4\u30d7\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3053\u3093\u306b\u3061\u306f<\/strong>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3088\u3063\u3066\u9001\u4fe1\u3055\u308c\u3001TLS \u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30e9\u30f3\u30c0\u30e0\u5024\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u6697\u53f7\u30b9\u30a4\u30fc\u30c8\u306e\u30ea\u30b9\u30c8\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d0\u30fc\u3053\u3093\u306b\u3061\u306f<\/strong>: \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u306f\u3001\u9078\u629e\u3055\u308c\u305f TLS \u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30e9\u30f3\u30c0\u30e0\u5024\u3001\u9078\u629e\u3055\u308c\u305f\u6697\u53f7\u30b9\u30a4\u30fc\u30c8\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8<\/strong>: \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u9375\u3068\u305d\u306e\u4ed6\u306e\u8b58\u5225\u60c5\u5831\u3092\u542b\u3080\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d0\u30fc\u30ad\u30fc\u4ea4\u63db<\/strong> (\u30aa\u30d7\u30b7\u30e7\u30f3): \u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8ffd\u52a0\u306e\u30ad\u30fc\u30de\u30c6\u30ea\u30a2\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u30ea\u30af\u30a8\u30b9\u30c8<\/strong> (\u30aa\u30d7\u30b7\u30e7\u30f3): \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a8d\u8a3c\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8a3c\u660e\u66f8\u3092\u8981\u6c42\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d0\u30fc\u3053\u3093\u306b\u3061\u306f\u5b8c\u4e86<\/strong>: ServerHello \u304a\u3088\u3073\u30aa\u30d7\u30b7\u30e7\u30f3 \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7d42\u4e86\u3092\u793a\u3059\u305f\u3081\u306b\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ad\u30fc\u4ea4\u63db<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u9375\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u30d7\u30ec\u30de\u30b9\u30bf\u30fc\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u306e\u78ba\u8a8d<\/strong> (\u30aa\u30d7\u30b7\u30e7\u30f3): \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a8d\u8a3c\u304c\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u3001\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e ID \u3092\u8a3c\u660e\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d42\u4e86\u3057\u305f<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u4e21\u65b9\u304c Finished \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u3066\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u6210\u529f\u3057\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u9001\u4fe1\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u305d\u306e\u6709\u52b9\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u8ca2\u732e\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u5168\u306a\u9375\u4ea4\u63db<\/strong>: \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3 \u30ad\u30fc\u3092\u5c0e\u51fa\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u306a\u30d7\u30ec\u30de\u30b9\u30bf\u30fc \u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u6697\u53f7\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u9001\u4fe1\u4e2d\u306b\u6a5f\u5bc6\u6027\u304c\u7dad\u6301\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76f8\u4e92\u8a8d\u8a3c<\/strong>: \u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u76f8\u4e92\u8a8d\u8a3c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u4e21\u65b9\u304c\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3066\u4e92\u3044\u306e ID \u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b8c\u5168\u524d\u65b9\u79d8\u533f\u6027 (PFS)<\/strong>: \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f PFS \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5c06\u6765\u30b5\u30fc\u30d0\u30fc\u306e\u79d8\u5bc6\u30ad\u30fc\u304c\u4fb5\u5bb3\u3055\u308c\u305f\u5834\u5408\u3067\u3082\u3001\u30bb\u30c3\u30b7\u30e7\u30f3 \u30ad\u30fc\u306f\u4e00\u6642\u7684\u306a\u3082\u306e\u3067\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u79d8\u5bc6\u30ad\u30fc\u304b\u3089\u6d3e\u751f\u3057\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u904e\u53bb\u306e\u901a\u4fe1\u306f\u5b89\u5168\u306a\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e92\u63db\u6027\u3068\u67d4\u8edf\u6027<\/strong>: \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30cd\u30b4\u30b7\u30a8\u30fc\u30c8\u3067\u304d\u308b\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304a\u3088\u3073\u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd\u306b\u9069\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u653b\u6483\u306b\u5bfe\u3059\u308b\u62b5\u6297<\/strong>: \u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u4e2d\u9593\u8005\u653b\u6483\u3084\u76d7\u8074\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u6697\u53f7\u5316\u653b\u6483\u306b\u8010\u3048\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u4e3b\u306b TLS \u30d7\u30ed\u30c8\u30b3\u30eb \u30b9\u30a4\u30fc\u30c8\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001TLS \u306e\u7279\u5b9a\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3088\u3063\u3066\u3001\u4f7f\u7528\u3055\u308c\u308b\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30e1\u30c3\u30bb\u30fc\u30b8 \u30d5\u30ed\u30fc\u3068\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u6b63\u78ba\u306b\u6c7a\u307e\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002TLS \u306e\u4e3b\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u305d\u306e\u4e3b\u306a\u7279\u5fb4\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>TLS \u30d0\u30fc\u30b8\u30e7\u30f3<\/th>\n<th>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u6a5f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>TLS1.0<\/td>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6539\u5584\u304c\u9650\u5b9a\u3055\u308c\u305f\u521d\u671f\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/td>\n<\/tr>\n<tr>\n<td>TLS1.1<\/td>\n<td>TLS 1.0 \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002<\/td>\n<\/tr>\n<tr>\n<td>TLS1.2<\/td>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304a\u3088\u3073\u6697\u53f7\u5316\u30b9\u30a4\u30fc\u30c8\u306e\u5927\u5e45\u306a\u6539\u5584\u3002<\/td>\n<\/tr>\n<tr>\n<td>TLS1.3 \u306b\u3064\u3044\u3066<\/td>\n<td>\u5408\u7406\u5316\u3055\u308c\u305f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3001\u5f37\u5316\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073 PFS \u30b5\u30dd\u30fc\u30c8\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u5b89\u5168\u306a\u901a\u4fe1\u306e\u57fa\u672c\u7684\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30a6\u30a7\u30d6\u306e\u95b2\u89a7<\/strong>: HTTPS \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316<\/strong>: \u96fb\u5b50\u30e1\u30fc\u30eb \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u3068\u306e\u63a5\u7d9a\u3092\u4fdd\u8b77\u3057\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u901a\u4fe1\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (VPN)<\/strong>: VPN \u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068 VPN \u30b5\u30fc\u30d0\u30fc\u9593\u306e\u63a5\u7d9a\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u5805\u7262\u3067\u3059\u304c\u3001\u7279\u5b9a\u306e\u8ab2\u984c\u304b\u3089\u514d\u308c\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u306e\u4e00\u90e8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5f31\u3044\u6697\u53f7\u30b9\u30a4\u30fc\u30c8<\/strong>: \u53e4\u304f\u3066\u5f31\u3044\u6697\u53f7\u5316\u30b9\u30a4\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u89e3\u6c7a\u7b56: \u30b5\u30fc\u30d0\u30fc\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5f37\u529b\u306a\u6697\u53f7\u5316\u30b9\u30a4\u30fc\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u512a\u5148\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u7ba1\u7406<\/strong>: \u671f\u9650\u5207\u308c\u307e\u305f\u306f\u8aa4\u3063\u3066\u69cb\u6210\u3055\u308c\u305f\u8a3c\u660e\u66f8\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u5931\u6557\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u89e3\u6c7a\u7b56: \u5805\u7262\u306a\u8a3c\u660e\u66f8\u7ba1\u7406\u6226\u7565\u3092\u5b9f\u88c5\u3057\u3001\u9069\u5207\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d3\u30b9\u62d2\u5426 (DoS) \u653b\u6483<\/strong>: \u653b\u6483\u8005\u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u8981\u6c42\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u5727\u5012\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u4e2d\u65ad\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u89e3\u6c7a\u7b56: \u30ec\u30fc\u30c8\u5236\u9650\u3068\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb \u30eb\u30fc\u30eb\u3092\u5b9f\u88c5\u3057\u3066\u3001DoS \u653b\u6483\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\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>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb<\/td>\n<td>\u5f53\u4e8b\u8005\u9593\u306e\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b TLS \u3067\u4f7f\u7528\u3055\u308c\u308b\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u3002<\/td>\n<\/tr>\n<tr>\n<td>SSL<\/td>\n<td>TLS \u306e\u524d\u8eab\u3067\u3042\u308a\u3001\u5b89\u5168\u306a\u901a\u4fe1\u306e\u305f\u3081\u306e\u6697\u53f7\u5316\u3068\u8a8d\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>TLS<\/td>\n<td>\u6539\u5584\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u63d0\u4f9b\u3059\u308b SSL \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6697\u53f7\u5316<\/td>\n<td>\u9001\u4fe1\u4e2d\u306e\u6a5f\u5bc6\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u30c7\u30fc\u30bf\u3092\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8a8d\u8a3c<\/td>\n<td>\u901a\u4fe1\u306b\u95a2\u4e0e\u3059\u308b\u5f53\u4e8b\u8005\u306e\u8eab\u5143\u306e\u78ba\u8a8d\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a3\u30b8\u30fc<\/td>\n<td>Perfect Forward Secrecy \u306b\u3088\u308a\u3001\u79d8\u5bc6\u9375\u304c\u4fb5\u5bb3\u3055\u308c\u305f\u5834\u5408\u3067\u3082\u30bb\u30c3\u30b7\u30e7\u30f3 \u30ad\u30fc\u304c\u5b89\u5168\u306b\u4fdd\u305f\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u6280\u8853\u306e\u9032\u5316\u306b\u4f34\u3044\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u65b0\u305f\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u6539\u826f\u3055\u308c\u7d9a\u3051\u307e\u3059\u3002TLS \u306e\u6700\u8fd1\u306e\u9032\u6b69\u306e 1 \u3064\u306f TLS 1.3 \u3067\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30bb\u30b9\u304c\u5408\u7406\u5316\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u5316\u3055\u308c\u307e\u3057\u305f\u3002\u73fe\u5728\u9032\u884c\u4e2d\u306e\u7814\u7a76\u958b\u767a\u306e\u53d6\u308a\u7d44\u307f\u306f\u3001\u6b21\u306e\u70b9\u306b\u91cd\u70b9\u304c\u7f6e\u304b\u308c\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7<\/strong>: \u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u53f0\u982d\u306b\u3088\u308a\u3001\u91cf\u5b50\u653b\u6483\u306b\u8010\u6027\u306e\u3042\u308b\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5fc5\u8981\u6027\u304c\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002TLS \u306e\u5c06\u6765\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u9577\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u5316\u304c\u7d44\u307f\u8fbc\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52d5\u5316\u306e\u5f37\u5316<\/strong>: \u4eba\u70ba\u7684\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u3001TLS \u8a3c\u660e\u66f8\u3068\u6697\u53f7\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u69cb\u6210\u3068\u7ba1\u7406\u3092\u81ea\u52d5\u5316\u3059\u308b\u53d6\u308a\u7d44\u307f\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/strong>: \u7279\u306b\u4f4e\u96fb\u529b\u30c7\u30d0\u30a4\u30b9\u3068\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u95a2\u4fc2\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6700\u9069\u5316\u3057\u3066\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3068\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306f\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\u7d4c\u7531\u3067\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u81ea\u4f53\u306f\u5b89\u5168\u306a\u30ad\u30fc\u4ea4\u63db\u3068\u6697\u53f7\u5316\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u62c5\u5f53\u3057\u307e\u3059\u304c\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6b21\u306e\u3088\u3046\u306a\u8ffd\u52a0\u306e\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7740\u4fe1\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u8981\u6c42\u3092\u8907\u6570\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3001\u6700\u9069\u306a\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u7387\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30bb\u30b9\u306e\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3001\u540c\u3058\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u5f8c\u7d9a\u306e\u63a5\u7d9a\u3092\u9ad8\u901f\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30d0\u30c3\u30d5\u30a1\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u691c\u67fb\u3057\u3066\u6f5c\u5728\u7684\u306a\u8105\u5a01\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5730\u7406\u4f4d\u7f6e\u60c5\u5831\u3068\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u3001\u30a2\u30af\u30bb\u30b9 \u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3057\u3001\u5730\u7406\u7684\u4f4d\u7f6e\u3084\u305d\u306e\u4ed6\u306e\u57fa\u6e96\u306b\u57fa\u3065\u3044\u3066\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u8981\u6c42\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u8a73\u7d30\u306a\u60c5\u5831\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><a href=\"https:\/\/tools.ietf.org\/html\/rfc5246\" target=\"_new\" rel=\"noopener nofollow\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 (TLS) RFC 5246<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc8446\" target=\"_new\" rel=\"noopener nofollow\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 (TLS) RFC 8446<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Transport_Layer_Security#TLS_handshake_protocol\" target=\"_new\" rel=\"noopener nofollow\">TLS \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u305d\u306e\u5805\u7262\u6027\u3001\u6697\u53f7\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3001\u76f8\u4e92\u8a8d\u8a3c\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u73fe\u4ee3\u306e\u6697\u53f7\u5316\u901a\u4fe1\u306e\u57fa\u672c\u7684\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u6280\u8853\u304c\u9032\u6b69\u3059\u308b\u306b\u3064\u308c\u3001\u7814\u7a76\u958b\u767a\u306e\u7d99\u7d9a\u7684\u306a\u53d6\u308a\u7d44\u307f\u306b\u3088\u308a\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u52b9\u7387\u6027\u304c\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u3001\u4eca\u5f8c\u4f55\u5e74\u306b\u3082\u308f\u305f\u3063\u3066\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u4ea4\u63db\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>","protected":false},"featured_media":477413,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477412","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Handshake Protocol: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is the Handshake protocol?","answer":"<p>The Handshake protocol is a cryptographic communication protocol used for establishing secure connections between two parties over a network. It enables secure data exchange, authentication, and negotiation of encryption parameters.<\/p>"},{"question":"How did the Handshake protocol originate?","answer":"<p>The history of the Handshake protocol can be traced back to the early days of the internet. It was first mentioned in the Internet Engineering Task Force (IETF) Request for Comments (RFC) 5246, which introduced the TLS protocol version 1.2 in August 2008.<\/p>"},{"question":"How does the Handshake protocol work?","answer":"<p>The Handshake protocol follows a series of steps, including ClientHello, ServerHello, certificate exchange, key exchange, session keys derivation, and Finished messages to establish a secure connection.<\/p>"},{"question":"What are the key features of the Handshake protocol?","answer":"<p>The Handshake protocol offers secure key exchange, mutual authentication, Perfect Forward Secrecy (PFS), compatibility, flexibility, and resistance to attacks.<\/p>"},{"question":"What types of Handshake protocol exist?","answer":"<p>The Handshake protocol is primarily associated with different versions of TLS, such as TLS 1.0, TLS 1.1, TLS 1.2, and TLS 1.3, each with specific handshake message flows and cryptographic algorithms.<\/p>"},{"question":"In what ways is the Handshake protocol used?","answer":"<p>The Handshake protocol is used in various applications, including web browsing, email encryption, and VPNs, to ensure secure communication.<\/p>"},{"question":"What are the common problems related to the Handshake protocol?","answer":"<p>Some issues with the Handshake protocol include weak cipher suites, certificate management challenges, and susceptibility to Denial of Service (DoS) attacks.<\/p>"},{"question":"How might the Handshake protocol evolve in the future?","answer":"<p>Future advancements may include post-quantum cryptography, increased automation, and performance optimization to adapt to emerging security challenges.<\/p>"},{"question":"How can proxy servers be associated with the Handshake protocol?","answer":"<p>Proxy servers can enhance security, load balancing, caching, and access control in conjunction with the Handshake protocol.<\/p>"},{"question":"Where can I find more information about the Handshake protocol?","answer":"<p>For more detailed information, you can refer to the resources provided in the \"Related links\" section at the end of the article.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477412","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\/477412\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/477413"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477412"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}