{"id":476816,"date":"2023-08-09T07:36:15","date_gmt":"2023-08-09T07:36:15","guid":{"rendered":""},"modified":"2023-09-05T11:13:29","modified_gmt":"2023-09-05T11:13:29","slug":"digital-certificate","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/digital-certificate\/","title":{"rendered":"\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8"},"content":{"rendered":"<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u3001\u516c\u958b\u9375\u8a3c\u660e\u66f8\u307e\u305f\u306f SSL\/TLS \u8a3c\u660e\u66f8\u3068\u3082\u547c\u3070\u308c\u3001\u5b89\u5168\u306a\u30aa\u30f3\u30e9\u30a4\u30f3\u901a\u4fe1\u306b\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3059\u3002\u500b\u4eba\u3001\u7d44\u7e54\u3001\u307e\u305f\u306f Web \u30b5\u30a4\u30c8\u306e ID \u3092\u691c\u8a3c\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u8cc7\u683c\u60c5\u5831\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u4ea4\u63db\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3001\u6574\u5408\u6027\u3001\u6a5f\u5bc6\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u3001\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3066\u6a5f\u5bc6\u60c5\u5831\u3092\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u6982\u5ff5\u306f\u3001Whitfield Diffie \u3068 Martin Hellman \u304c\u516c\u958b\u9375\u6697\u53f7\u3092\u5c0e\u5165\u3057\u305f 1970 \u5e74\u4ee3\u521d\u982d\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u304c\u5e83\u304f\u4f7f\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u306f\u3001SSL\/TLS \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u51fa\u73fe\u306b\u3088\u308a 1990 \u5e74\u4ee3\u306b\u306a\u3063\u3066\u304b\u3089\u3067\u3057\u305f\u3002\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u304c\u521d\u3081\u3066\u6b63\u5f0f\u306b\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30011977 \u5e74\u306b Ronald Rivest\u3001Adi Shamir\u3001Leonard Adleman \u304c\u7279\u8a31\u3092\u53d6\u5f97\u3057\u305f RSA \u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u307e\u3067\u9061\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831: \u30c8\u30d4\u30c3\u30af\u306e\u62e1\u5f35<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u3001\u57fa\u672c\u7684\u306b\u3001\u8a8d\u8a3c\u5c40 (CA) \u3068\u547c\u3070\u308c\u308b\u4fe1\u983c\u3067\u304d\u308b\u7b2c\u4e09\u8005\u6a5f\u95a2\u306b\u3088\u3063\u3066\u767a\u884c\u3055\u308c\u308b\u96fb\u5b50\u6587\u66f8\u3067\u3059\u3002\u8a3c\u660e\u66f8\u306f\u3001\u516c\u958b\u30ad\u30fc\u3092 ID (\u30c9\u30e1\u30a4\u30f3\u540d\u3084\u500b\u4eba\u306a\u3069) \u306b\u30d0\u30a4\u30f3\u30c9\u3057\u3001\u305d\u306e\u4fe1\u983c\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b CA \u306b\u3088\u3063\u3066\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3055\u308c\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c SSL\/TLS \u3067\u4fdd\u8b77\u3055\u308c\u305f Web \u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001Web \u30d6\u30e9\u30a6\u30b6\u30fc\u306f\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u671f\u9650\u304c\u5207\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3068\u3001\u8a8d\u5b9a\u3055\u308c\u305f CA \u306b\u3088\u3063\u3066\u767a\u884c\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u5185\u90e8\u69cb\u9020: \u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u5185\u90e8\u69cb\u9020\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30b7\u30ea\u30a2\u30eb\u30ca\u30f3\u30d0\u30fc<\/strong>: CA \u306b\u3088\u3063\u3066\u8a3c\u660e\u66f8\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e3b\u984c<\/strong>: \u8a3c\u660e\u66f8\u304c\u767a\u884c\u3055\u308c\u308b\u7d44\u7e54\u307e\u305f\u306f\u500b\u4eba\u3002\u901a\u5e38\u306f Web \u30b5\u30a4\u30c8\u306e\u6240\u6709\u8005\u306e\u540d\u524d\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u516c\u958b\u9375<\/strong>: SSL\/TLS \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u4e2d\u306b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u79d8\u5bc6\u9375\u306b\u5bfe\u5fdc\u3059\u308b\u516c\u958b\u9375\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u767a\u884c\u8005<\/strong>: \u8a3c\u660e\u66f8\u3092\u767a\u884c\u3057\u305f CA \u306e\u540d\u524d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6709\u52b9\u671f\u9593<\/strong>: \u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9593\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d<\/strong>: \u8a3c\u660e\u66f8\u306e\u4fe1\u983c\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001CA \u306e\u79d8\u5bc6\u9375\u3092\u4f7f\u7528\u3057\u3066\u751f\u6210\u3055\u308c\u305f\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u62c7\u5370<\/strong>: \u8a3c\u660e\u66f8\u304b\u3089\u8a08\u7b97\u3055\u308c\u305f\u30cf\u30c3\u30b7\u30e5\u5024\u3002\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (Web \u30d6\u30e9\u30a6\u30b6\u306a\u3069) \u304c\u5b89\u5168\u306a Web \u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u63d0\u793a\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u7f72\u540d\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u8a3c\u660e\u66f8\u304c\u671f\u9650\u5207\u308c\u307e\u305f\u306f\u53d6\u308a\u6d88\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u8a3c\u660e\u66f8\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u691c\u8a3c\u304c\u6210\u529f\u3059\u308b\u3068\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306f\u5b89\u5168\u306a SSL\/TLS \u6697\u53f7\u5316\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u8a8d\u8a3c<\/strong>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306b\u3088\u308a\u3001Web \u30b5\u30a4\u30c8\u306e ID \u3092\u5f37\u529b\u306b\u8a8d\u8a3c\u3067\u304d\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u507d\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u306a\u304f\u672c\u7269\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6697\u53f7\u5316<\/strong>SSL\/TLS \u8a3c\u660e\u66f8\u306f\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u3092\u5bb9\u6613\u306b\u3057\u3001\u9001\u4fe1\u4e2d\u306b\u6a5f\u5bc6\u60c5\u5831\u304c\u508d\u53d7\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027<\/strong>: \u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u306b\u3088\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u4ea4\u63db\u3055\u308c\u308b\u30c7\u30fc\u30bf\u304c\u305d\u306e\u307e\u307e\u306e\u72b6\u614b\u3067\u5909\u66f4\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4fe1\u983c\u968e\u5c64<\/strong>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u968e\u5c64\u7684\u306a\u4fe1\u983c\u30e2\u30c7\u30eb\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u968e\u5c64\u306e\u30eb\u30fc\u30c8\u306b\u3042\u308b CA \u304c\u4e0b\u4f4d\u306e CA \u306e\u4fe1\u983c\u6027\u3092\u4fdd\u8a3c\u3057\u3001\u6b21\u306b\u305d\u308c\u3089\u306e CA \u304c\u4ed6\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u7a2e\u985e<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c\u3042\u308a\u3001\u76ee\u7684\u3084\u691c\u8a3c\u30ec\u30d9\u30eb\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u7a2e\u985e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30c9\u30e1\u30a4\u30f3\u691c\u8a3c\u6e08\u307f<\/td>\n<td>\u57fa\u672c\u7684\u306a\u6697\u53f7\u5316\u3092\u63d0\u4f9b\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u6240\u6709\u6a29\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7d44\u7e54\u691c\u8a3c\u6e08\u307f<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306e\u6240\u6709\u6a29\u3068\u3068\u3082\u306b\u7d44\u7e54\u306e ID \u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u3044\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u62e1\u5f35\u691c\u8a3c<\/td>\n<td>\u7d44\u7e54\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u5fb9\u5e95\u7684\u306b\u5be9\u67fb\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9<\/td>\n<td>\u5358\u4e00\u306e\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u3068\u305d\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30de\u30eb\u30c1\u30c9\u30e1\u30a4\u30f3<\/td>\n<td>\u5358\u4e00\u306e\u8a3c\u660e\u66f8\u5185\u3067\u8907\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u307e\u305f\u306f\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30fc\u30c9\u30b5\u30a4\u30cb\u30f3\u30b0<\/td>\n<td>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u4f34\u3046\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<h3>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u4f7f\u7528\u65b9\u6cd5:<\/h3>\n<ol>\n<li>\n<p><strong>\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u901a\u4fe1<\/strong>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306b\u3088\u308a\u3001Web \u30b5\u30fc\u30d0\u30fc\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u9593\u306e\u5b89\u5168\u306a HTTPS \u63a5\u7d9a\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u8ee2\u9001\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3068\u7f72\u540d<\/strong>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u7f72\u540d\u3057\u3066\u6697\u53f7\u5316\u3057\u3001\u305d\u306e\u5185\u5bb9\u3092\u4fdd\u8b77\u3057\u3001\u9001\u4fe1\u8005\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b3\u30fc\u30c9\u3068\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u7f72\u540d<\/strong>: \u8a3c\u660e\u66f8\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u7f72\u540d\u3057\u3066\u3001\u305d\u306e\u4fe1\u983c\u6027\u3068\u6574\u5408\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\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>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u3001VPN \u3067\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ol>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650<\/strong>: \u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9593\u306f\u9650\u3089\u308c\u3066\u304a\u308a\u3001\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u308b\u3068\u901a\u4fe1\u306b\u554f\u984c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u65ad\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u5b9a\u671f\u7684\u306a\u8a3c\u660e\u66f8\u306e\u7ba1\u7406\u3068\u66f4\u65b0\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u306e\u5931\u52b9<\/strong>: \u8a3c\u660e\u66f8\u304c\u4fb5\u5bb3\u3055\u308c\u305f\u308a\u3001\u6709\u52b9\u3067\u306a\u304f\u306a\u3063\u305f\u308a\u3057\u305f\u5834\u5408\u306f\u3001\u5931\u52b9\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5931\u52b9\u306e\u51e6\u7406\u306b\u306f\u3001CRL (\u8a3c\u660e\u66f8\u5931\u52b9\u30ea\u30b9\u30c8) \u307e\u305f\u306f OCSP (\u30aa\u30f3\u30e9\u30a4\u30f3\u8a3c\u660e\u66f8\u30b9\u30c6\u30fc\u30bf\u30b9 \u30d7\u30ed\u30c8\u30b3\u30eb) \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a3c\u660e\u66f8\u30c1\u30a7\u30fc\u30f3\u306e\u554f\u984c<\/strong>: \u30c7\u30d0\u30a4\u30b9\u3084\u30d6\u30e9\u30a6\u30b6\u304c\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3057\u305f CA \u3092\u8a8d\u8b58\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u9593\u8a3c\u660e\u66f8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3068\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0<\/strong>: \u653b\u6483\u8005\u306f\u507d\u306e\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3066\u3001\u6b63\u5f53\u306a Web \u30b5\u30a4\u30c8\u306b\u306a\u308a\u3059\u307e\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Extended Validation \u8a3c\u660e\u66f8\u306f\u3001\u3088\u308a\u9ad8\u3044\u30ec\u30d9\u30eb\u306e\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\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>SSL (\u30bb\u30ad\u30e5\u30a2\u30bd\u30b1\u30c3\u30c8\u30ec\u30a4\u30e4\u30fc)<\/td>\n<td>TLS \u306e\u524d\u8eab\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u5b89\u5168\u306a\u901a\u4fe1\u3092\u63d0\u4f9b\u3059\u308b\u975e\u63a8\u5968\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>TLS (\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3)<\/td>\n<td>SSL \u306e\u6700\u65b0\u304b\u3064\u3088\u308a\u5b89\u5168\u306a\u5f8c\u7d99\u6280\u8853\u3067\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>PKI (\u516c\u958b\u9375\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3)<\/td>\n<td>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u4f5c\u6210\u3001\u914d\u5e03\u3001\u5931\u52b9\u3092\u7ba1\u7406\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/td>\n<\/tr>\n<tr>\n<td>SSH (\u30bb\u30ad\u30e5\u30a2 \u30b7\u30a7\u30eb)<\/td>\n<td>\u30ea\u30e2\u30fc\u30c8 \u30b5\u30fc\u30d0\u30fc\u3078\u306e\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u6697\u53f7\u5316\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306e\u5c06\u6765\u306b\u306f\u3001\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9032\u6b69\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u306e\u305f\u3081\u306e\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9593\u306e\u77ed\u7e2e\u3001\u8a3c\u660e\u66f8\u7ba1\u7406\u306e\u9769\u65b0\u304c\u542b\u307e\u308c\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u6210\u719f\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u91cf\u5b50\u8010\u6027\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u81ea\u52d5\u5316\u3068 AI \u30c6\u30af\u30ce\u30ed\u30b8\u306b\u3088\u3063\u3066\u8a3c\u660e\u66f8\u306e\u767a\u884c\u3068\u66f4\u65b0\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u52b9\u7387\u5316\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4f7f\u3044\u3084\u3059\u3055\u304c\u5411\u4e0a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5f37\u5316\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3067\u3001\u6b21\u306e\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>SSL\/TLS\u51e6\u7406\u306e\u30aa\u30d5\u30ed\u30fc\u30c9<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f SSL\/TLS \u6697\u53f7\u5316\u3068\u5fa9\u53f7\u5316\u3092\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 Web \u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u3001Web \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30bf\u30fc\u30b2\u30c3\u30c8 \u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u3001\u6f5c\u5728\u7684\u306a\u8105\u5a01\u304c\u306a\u3044\u304b\u691c\u67fb\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d\u6027\u306e\u5f37\u5316<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306f\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4ecb\u3057\u3066 Web \u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001IP \u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3057\u3066\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8981\u6c42\u3092\u8907\u6570\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3066\u3001\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3001SSL\/TLS\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\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<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Certificate_authority\" target=\"_new\" rel=\"noopener nofollow\">\u8a3c\u660e\u6a5f\u95a2 (CA) \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Transport_Layer_Security\" target=\"_new\" rel=\"noopener nofollow\">SSL\/TLS \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Public_key_infrastructure\" target=\"_new\" rel=\"noopener nofollow\">PKI \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Certificate_revocation_list\" target=\"_new\" rel=\"noopener nofollow\">\u8a3c\u660e\u66f8\u306e\u5931\u52b9 \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/www.digicert.com\/what-is-ssl-tls-https\/\" target=\"_new\" rel=\"noopener nofollow\">SSL\/TLS \u3068\u306f? \u2013 Digicert<\/a><\/li>\n<li><a href=\"https:\/\/www.globalsign.com\/en\/ssl-information-center\/what-is-a-digital-certificate\" target=\"_new\" rel=\"noopener nofollow\">\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u7406\u89e3\u3059\u308b \u2013 GlobalSign<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u5b89\u5168\u3067\u4fe1\u983c\u3067\u304d\u308b\u30aa\u30f3\u30e9\u30a4\u30f3\u901a\u4fe1\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u3001ID \u306e\u691c\u8a3c\u3001Web \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u3068\u3044\u3046\u5f79\u5272\u3092\u6301\u3064\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306f\u3001\u73fe\u4ee3\u306e\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u3068 OneProxy (oneproxy.pro) \u306a\u3069\u306e Web \u30b5\u30a4\u30c8\u9593\u306e\u5b89\u5168\u306a\u3084\u308a\u53d6\u308a\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>","protected":false},"featured_media":468220,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476816","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Digital Certificate for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"<strong>What is a digital certificate, and why is it important for OneProxy's website?<\/strong>","answer":"<p>A digital certificate is an electronic document issued by a trusted entity known as a Certificate Authority (CA). It verifies the identity of a website, ensuring secure and authentic communication between users and OneProxy (oneproxy.pro). Digital certificates are crucial for establishing encrypted connections, protecting sensitive data, and safeguarding against phishing and impersonation attacks.<\/p>"},{"question":"<strong>How do digital certificates work, and what are their key features?<\/strong>","answer":"<p>Digital certificates bind a public key to an entity's identity, such as a domain name. When a user connects to OneProxy's secure website, their web browser checks the certificate's authenticity by verifying its digital signature and expiration date. Key features include authentication, encryption, data integrity, and a trust hierarchy that ensures the legitimacy of the certificate issuer.<\/p>"},{"question":"<strong>What are the different types of digital certificates available?<\/strong>","answer":"<p>There are various types of digital certificates. Domain Validated certificates offer basic encryption and domain ownership verification, while Organization Validated certificates add higher assurance by verifying the organization's identity. Extended Validation certificates provide the highest level of assurance. Other types include Wildcard, Multi-Domain, and Code Signing certificates.<\/p>"},{"question":"<strong>How are digital certificates used, and what problems can arise?<\/strong>","answer":"<p>Digital certificates are used to secure website communication, encrypt emails, sign software, and establish secure VPN connections. Common problems include certificate expiration, revocation issues, and certificate chain errors. Regular certificate management and using Extended Validation certificates can mitigate these problems.<\/p>"},{"question":"<strong>How does the future look for digital certificates and related technologies?<\/strong>","answer":"<p>The future holds advancements in encryption algorithms, shorter certificate lifetimes, and automation technologies for efficient certificate management. Quantum-resistant algorithms will become crucial as quantum computing advances. Proxy servers may also play a role in enhancing security in conjunction with digital certificates.<\/p>"},{"question":"<strong>How can proxy servers be associated with digital certificates for OneProxy's website?<\/strong>","answer":"<p>Proxy servers can enhance security and privacy by offloading SSL\/TLS processing, filtering web traffic for threats, and providing load balancing. Users can also access websites through proxy servers to enhance anonymity and protect their IP addresses.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476816","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\/476816\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468220"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476816"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}