{"id":476813,"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":"digest-authentication","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/digest-authentication\/","title":{"rendered":"\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c"},"content":{"rendered":"<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u57fa\u672c\u8a8d\u8a3c\u30b9\u30ad\u30fc\u30e0\u3092\u6539\u826f\u3057\u305f\u3082\u306e\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027\u306e\u4e00\u90e8\u306b\u5bfe\u51e6\u3057\u3066\u3044\u307e\u3059\u3002\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u60c5\u5831\u304c\u4ea4\u63db\u3055\u308c\u3001\u3088\u308a\u5b89\u5168\u306a\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u65b9\u6cd5\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f 1998 \u5e74\u306b RFC 2069 \u306e\u4e00\u90e8\u3068\u3057\u3066\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u6700\u7d42\u30d0\u30fc\u30b8\u30e7\u30f3\u306f 1999 \u5e74\u306b RFC 2617 \u3067\u6587\u66f8\u5316\u3055\u308c\u307e\u3057\u305f\u3002\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u30a2\u30a4\u30c7\u30a2\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u8cc7\u683c\u60c5\u5831\u3092\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u9001\u4fe1\u3057\u3001\u508d\u53d7\u3084\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u3092\u53d7\u3051\u3084\u3059\u3044\u3068\u3044\u3046\u57fa\u672c\u8a8d\u8a3c\u306e\u5236\u9650\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u751f\u307e\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u3002\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u30c8\u30d4\u30c3\u30af\u3092\u62e1\u5f35\u3057\u307e\u3059\u3002<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3067\u306f\u3001\u30c1\u30e3\u30ec\u30f3\u30b8 \u30ec\u30b9\u30dd\u30f3\u30b9 \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u8a8d\u8a3c\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u624b\u9806\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ea\u30af\u30a8\u30b9\u30c8<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u4fdd\u8b77\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u610f\u56f3\u3092\u793a\u3059 HTTP \u8981\u6c42\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d0\u30fc\u30c1\u30e3\u30ec\u30f3\u30b8<\/strong>: \u30b5\u30fc\u30d0\u30fc\u306f 401 Unauthorized \u30b9\u30c6\u30fc\u30bf\u30b9 \u30b3\u30fc\u30c9\u3067\u5fdc\u7b54\u3057\u3001\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3068\u3082\u306b nonce (\u4e00\u610f\u306e\u30c8\u30fc\u30af\u30f3) \u3092\u751f\u6210\u3057\u307e\u3059\u3002nonce \u306f\u6642\u9593\u30d9\u30fc\u30b9\u306e\u5024\u3067\u3042\u308a\u3001\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u306e\u9632\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u53cd\u5fdc<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001MD5 \u306a\u3069\u306e\u30cf\u30c3\u30b7\u30e5 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8cc7\u683c\u60c5\u5831\u3001\u53d7\u4fe1\u3057\u305f nonce\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30cf\u30c3\u30b7\u30e5\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u7d50\u679c\u306e\u30cf\u30c3\u30b7\u30e5\u306f\u3001\u5225\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d0\u30fc\u306e\u691c\u8a3c<\/strong>\u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5fdc\u7b54\u3092\u53d7\u4fe1\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4fdd\u5b58\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u540c\u3058\u30cf\u30c3\u30b7\u30e5\u8a08\u7b97\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\u8a08\u7b97\u3055\u308c\u305f\u30cf\u30c3\u30b7\u30e5\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u53d7\u4fe1\u3057\u305f\u30cf\u30c3\u30b7\u30e5\u3068\u4e00\u81f4\u3059\u308b\u5834\u5408\u3001\u8a8d\u8a3c\u306f\u6210\u529f\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u8981\u6c42\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3067\u306f\u3001\u5b9f\u969b\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30cf\u30c3\u30b7\u30e5\u306e\u307f\u304c\u4ea4\u63db\u3055\u308c\u308b\u305f\u3081\u3001\u653b\u6483\u8005\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304b\u3089\u5143\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ec\u30d9\u30eb\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u5185\u90e8\u69cb\u9020\u3002\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u4ed5\u7d44\u307f\u3002<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30e6\u30fc\u30b6\u30fc\u540d<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3002\u901a\u5e38\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ec\u30eb\u30e0<\/strong>: \u30ec\u30eb\u30e0\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u4fdd\u8b77\u3055\u308c\u305f\u9818\u57df\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002\u901a\u5e38\u3001\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u30e6\u30fc\u30b6\u30fc\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ce\u30f3\u30b9<\/strong>: \u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u3001\u30c1\u30e3\u30ec\u30f3\u30b8\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3055\u308c\u308b\u4e00\u610f\u306e\u5024\u3002\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u3092\u9632\u3050\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>URI (\u30e6\u30cb\u30d5\u30a9\u30fc\u30e0 \u30ea\u30bd\u30fc\u30b9\u8b58\u5225\u5b50)<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u542b\u307e\u308c\u308b\u3001\u8981\u6c42\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306e URI\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5fdc\u7b54<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306e\u8cc7\u683c\u60c5\u5831\u3001nonce\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u8a08\u7b97\u3057\u305f\u30cf\u30c3\u30b7\u30e5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u900f\u660e<\/strong>: \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3088\u3063\u3066\u5909\u66f4\u3055\u308c\u305a\u306b\u8fd4\u3055\u308c\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3002\u30b5\u30fc\u30d0\u30fc\u304c\u7279\u5b9a\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8981\u6c42\u3092\u5bfe\u5fdc\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u5fdc\u7b54\u306b\u95a2\u9023\u4ed8\u3051\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>: \u30cf\u30c3\u30b7\u30e5\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30cf\u30c3\u30b7\u30e5 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3002MD5 \u306f\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b SHA-256 \u3084 SHA-512 \u306a\u3069\u306e\u4ed6\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>QoP (\u4fdd\u8b77\u54c1\u8cea)<\/strong>: \u8a8d\u8a3c\u306b\u9069\u7528\u3055\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ec\u30d9\u30eb\u3092\u793a\u3059\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3002\u300cauth\u300d\u3001\u300cauth-int\u300d\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u5024\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u5168<\/strong>: \u30cf\u30c3\u30b7\u30e5\u5316\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3068 nonce \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u304c\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u508d\u53d7\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u306b\u5bfe\u3059\u308b\u4fdd\u8b77<\/strong>: nonce \u3092\u542b\u3081\u308b\u3053\u3068\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5fdc\u7b54\u304c\u5f8c\u7d9a\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u518d\u5229\u7528\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c1\u30e3\u30ec\u30f3\u30b8\u30ec\u30b9\u30dd\u30f3\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0<\/strong>: \u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u306f\u8907\u6570\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u3001\u653b\u6483\u8005\u304c\u8a8d\u8a3c\u8cc7\u683c\u60c5\u5831\u3092\u507d\u9020\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u67d4\u8edf\u306a\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>: \u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30cf\u30c3\u30b7\u30e5 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u67d4\u8edf\u6027\u3068\u5c06\u6765\u6027\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e45\u5e83\u304f\u30b5\u30dd\u30fc\u30c8<\/strong>: \u6700\u8fd1\u306e\u307b\u3068\u3093\u3069\u306e Web \u30d6\u30e9\u30a6\u30b6\u3068\u30b5\u30fc\u30d0\u30fc\u306f\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5e45\u5e83\u304f\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u7a2e\u985e<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u306f 2 \u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u30a2\u30af\u30bb\u30b9\u8a8d\u8a3c<\/strong>: \u3053\u308c\u306f\u3001\u524d\u8ff0\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f7f\u7528\u3059\u308b\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u6a19\u6e96\u5f62\u5f0f\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u30d7\u30ed\u30ad\u30b7\u8a8d\u8a3c<\/strong>: \u3053\u306e\u30d0\u30ea\u30a2\u30f3\u30c8\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u8981\u6c42\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001\u305d\u306e\u8981\u6c42\u3092\u30bf\u30fc\u30b2\u30c3\u30c8 \u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3059\u308b\u524d\u306b\u3001\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8 \u30d7\u30ed\u30ad\u30b7\u8a8d\u8a3c\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8a8d\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u6b21\u306e\u8868\u306b\u30012 \u3064\u306e\u30bf\u30a4\u30d7\u9593\u306e\u4e3b\u306a\u9055\u3044\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u30a2\u30af\u30bb\u30b9\u8a8d\u8a3c<\/th>\n<th>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u30d7\u30ed\u30ad\u30b7\u8a8d\u8a3c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u76ee\u7684<\/td>\n<td>\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u4fdd\u8b77\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u8a8d\u8a3c\u3057\u307e\u3059\u3002<\/td>\n<td>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8a8d\u8a3c\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9<\/td>\n<td>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u76f4\u63a5\u901a\u4fe1\u3002<\/td>\n<td>\u30bf\u30fc\u30b2\u30c3\u30c8 \u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306b\u30d7\u30ed\u30ad\u30b7\u306b\u3088\u3063\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8a8d\u8a3c\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/td>\n<td>\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u9818\u57df\u3001Nonce\u3001URI\u3001\u5fdc\u7b54\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001QoP\u3002<\/td>\n<td>\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u9818\u57df\u3001Nonce\u3001URI\u3001\u5fdc\u7b54\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001QoP\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u4f7f\u3044\u65b9\u3001\u4f7f\u7528\u4e0a\u306e\u554f\u984c\u70b9\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>: \u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u5fc5\u8981\u3068\u3059\u308b\u6a5f\u5bc6\u30da\u30fc\u30b8\u307e\u305f\u306f\u9818\u57df\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc<\/strong>: \u524d\u8ff0\u306e\u3088\u3046\u306b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u8981\u6c42\u3092\u8ee2\u9001\u3059\u308b\u524d\u306b\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8 \u30d7\u30ed\u30ad\u30b7\u8a8d\u8a3c\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8a8d\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>API\u8a8d\u8a3c<\/strong>: \u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3092\u4f7f\u7528\u3057\u3066 API \u3092\u4fdd\u8b77\u3057\u3001\u627f\u8a8d\u3055\u308c\u305f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u307f\u304c API \u306e\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u305f\u3060\u3057\u3001\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5<\/strong>: \u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f\u30d9\u30fc\u30b7\u30c3\u30af\u8a8d\u8a3c\u3088\u308a\u3082\u5b89\u5168\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u7a2e\u985e\u306e\u653b\u6483\u304b\u3089\u514d\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u3001\u4e2d\u9593\u8005\u653b\u6483\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d6\u30e9\u30a6\u30b6\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b<\/strong>: \u4e00\u90e8\u306e\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u9069\u3055\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ce\u30f3\u30b9\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/strong>: nonce \u306e\u6709\u52b9\u671f\u9593\u306b\u306f\u5236\u9650\u304c\u3042\u308a\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u307e\u3067\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3059\u304e\u308b\u3068\u3001nonce \u306e\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u3066\u8a8d\u8a3c\u304c\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001\u76d7\u8074\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306b HTTPS \u306a\u3069\u306e\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u4f7f\u7528\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4f7f\u3044\u3084\u3059\u3055\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b\u305f\u3081\u306b\u9069\u5207\u306a nonce \u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3068\u3001\u3082\u3046 1 \u3064\u306e\u4e00\u822c\u7684\u306a\u8a8d\u8a3c\u65b9\u6cd5\u3067\u3042\u308b\u57fa\u672c\u8a8d\u8a3c\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c<\/th>\n<th>\u57fa\u672c\u8a8d\u8a3c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8cc7\u683c\u60c5\u5831\u306e\u9001\u4fe1<\/td>\n<td>\u30cf\u30c3\u30b7\u30e5\u5316\u3055\u308c\u305f\u8cc7\u683c\u60c5\u5831\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u4ea4\u63db\u3055\u308c\u307e\u3059\u3002<\/td>\n<td>\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u8cc7\u683c\u60c5\u5831\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u4ea4\u63db\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168<\/td>\n<td>\u5b9f\u969b\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u516c\u958b\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u3088\u308a\u5b89\u5168\u3067\u3059\u3002<\/td>\n<td>\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u9001\u4fe1\u3055\u308c\u308b\u305f\u3081\u3001\u5b89\u5168\u6027\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d6\u30e9\u30a6\u30b6\u306e\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u307b\u3068\u3093\u3069\u306e\u6700\u65b0\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n<td>\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5e45\u5e83\u304f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8907\u96d1<\/td>\n<td>\u30c1\u30e3\u30ec\u30f3\u30b8\u30ec\u30b9\u30dd\u30f3\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3055\u3089\u306b\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\n<td>\u8cc7\u683c\u60c5\u5831\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c 1 \u56de\u3060\u3051\u306a\u306e\u3067\u7c21\u5358\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f\u3001\u9577\u5e74\u306b\u308f\u305f\u3063\u3066\u5b89\u5168\u306a\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u306e\u6709\u52b9\u306a\u65b9\u6cd5\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001Web \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u72b6\u6cc1\u306f\u5e38\u306b\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u8a8d\u8a3c\u3068\u30c7\u30fc\u30bf\u4fdd\u8b77\u3092\u3055\u3089\u306b\u5f37\u5316\u3059\u308b\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u65b9\u6cd5\u304c\u767b\u5834\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>1 \u3064\u306e\u53ef\u80fd\u6027\u306e\u3042\u308b\u65b9\u5411\u6027\u306f\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b MD5 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u4ee3\u308f\u308a\u306b\u3001SHA-256 \u3084 SHA-512 \u306a\u3069\u306e\u3088\u308a\u5805\u7262\u306a\u30cf\u30c3\u30b7\u30e5 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u6f5c\u5728\u7684\u306a\u30d6\u30eb\u30fc\u30c8 \u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306b\u5bfe\u3057\u3066\u3001\u3088\u308a\u9ad8\u3044\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u8010\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u3068\u751f\u4f53\u8a8d\u8a3c\u306e\u9032\u6b69\u306b\u3088\u308a\u3001\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u304c\u3053\u308c\u3089\u306e\u3088\u308a\u9ad8\u5ea6\u306a\u6280\u8853\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3055\u308c\u3001\u3088\u308a\u5f37\u529b\u306a\u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u63d0\u4f9b\u3055\u308c\u308b\u65b9\u6cd5\u306b\u3082\u5f71\u97ff\u304c\u51fa\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\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u533f\u540d\u6027\u3092\u5f37\u5316\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8 \u30d7\u30ed\u30ad\u30b7\u8a8d\u8a3c\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u524d\u306b\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u5b9f\u65bd\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8a31\u53ef\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u30d7\u30ed\u30ad\u30b7\u7d4c\u7531\u3067\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068 Web \u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u3082\u6a5f\u80fd\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6700\u7d42\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30d7\u30ed\u30ad\u30b7 \u30ec\u30d9\u30eb\u3067\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30bf\u30fc\u30b2\u30c3\u30c8 \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\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:\/\/tools.ietf.org\/html\/rfc2617\" target=\"_new\" rel=\"noopener nofollow\">RFC 2617 \u2013 HTTP \u8a8d\u8a3c: \u57fa\u672c\u8a8d\u8a3c\u3068\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8 \u30a2\u30af\u30bb\u30b9\u8a8d\u8a3c<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Authentication#digest_authentication\" target=\"_new\" rel=\"noopener nofollow\">MDN Web Docs \u2013 HTTP \u30c0\u30a4\u30b8\u30a7\u30b9\u30c8 \u30a2\u30af\u30bb\u30b9\u8a8d\u8a3c<\/a><\/li>\n<li><a href=\"https:\/\/www.sitepoint.com\/http-authentication-in-node-js\/\" target=\"_new\" rel=\"noopener nofollow\">Node.js \u306b\u304a\u3051\u308b HTTP \u8a8d\u8a3c\u306e\u69cb\u9020<\/a><\/li>\n<li><a href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/Authentication_Cheat_Sheet.html\" target=\"_new\" rel=\"noopener nofollow\">OWASP \u8a8d\u8a3c\u306e\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306f\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u5805\u7262\u306a\u65b9\u6cd5\u3067\u3059\u3002\u30c1\u30e3\u30ec\u30f3\u30b8 \u30ec\u30b9\u30dd\u30f3\u30b9 \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63a1\u7528\u3057\u3001\u30cf\u30c3\u30b7\u30e5\u3055\u308c\u305f\u8cc7\u683c\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u57fa\u672c\u8a8d\u8a3c\u3088\u308a\u3082\u5b89\u5168\u306a\u4ee3\u66ff\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u540c\u69d8\u306b\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3068\u30e6\u30fc\u30b6\u30fc\u8cc7\u683c\u60c5\u5831\u3092\u4fdd\u8b77\u3059\u308b\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u8a8d\u8a3c\u306e\u6709\u52b9\u6027\u3092\u7d99\u7d9a\u7684\u306b\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u6700\u65b0\u306e\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u30c6\u30af\u30ce\u30ed\u30b8\u3092\u5e38\u306b\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>","protected":false},"featured_media":476814,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476813","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Digest Authentication: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is Digest authentication, and why is it essential for web applications and proxy servers?","answer":"<p>Digest authentication is a secure method of user authentication used in web applications and proxy servers. It ensures that passwords are never transmitted in plaintext, enhancing security against interception and unauthorized access. By employing a challenge-response mechanism and exchanging hashed credentials, Digest authentication offers a more robust alternative to Basic authentication.<\/p>"},{"question":"How does Digest authentication work, and what are its key components?","answer":"<p>Digest authentication involves a multi-step process. When a user attempts to access a protected resource, the server generates a nonce (a unique token) and sends it to the client along with other parameters. The client calculates a hash of the user's credentials, including the nonce, and sends it back to the server. The server verifies the response by recalculating the hash using the stored password. Key components include username, realm, nonce, URI, response, algorithm, and QoP (Quality of Protection).<\/p>"},{"question":"What types of Digest authentication exist, and how do they differ?","answer":"<p>There are two types of Digest authentication:<\/p><ol><li>Digest Access Authentication: Used for authenticating users accessing protected resources on a server.<\/li><li>Digest Proxy Authentication: Designed for proxy servers to authenticate clients before forwarding requests to the target server. Both types share similar components and mechanisms.<\/li><\/ol>"},{"question":"How can Digest authentication be used in web applications and proxy servers?","answer":"<p>In web applications, Digest authentication secures sensitive pages and areas that require user authentication. Proxy servers can use Digest Proxy Authentication to authenticate clients before granting access to external resources. It can also act as an intermediary, performing authentication before forwarding the request to the final destination.<\/p>"},{"question":"What are the main advantages of Digest authentication over Basic authentication?","answer":"<p>Digest authentication offers several advantages:<\/p><ol><li>Enhanced Security: User passwords are not exposed in plaintext, making it more secure.<\/li><li>Protection against Replay Attacks: Nonces prevent attackers from reusing intercepted credentials.<\/li><li>Widely Supported: Most modern browsers and servers support Digest authentication, ensuring broader applicability.<\/li><li>Flexible Hash Algorithms: Digest authentication allows various hashing algorithms for improved security.<\/li><\/ol>"},{"question":"Are there any challenges or potential problems with Digest authentication?","answer":"<p>While Digest authentication is more secure, it is not immune to certain attacks like man-in-the-middle. Additionally, some older browsers might not support it fully. Nonce timeout can also cause authentication failures if a request takes too long to reach the server. To address these issues, using additional security measures like HTTPS and setting appropriate nonce timeout values is recommended.<\/p>"},{"question":"What can we expect for the future of Digest authentication?","answer":"<p>The future of Digest authentication may include the adoption of more robust hashing algorithms, such as SHA-256 or SHA-512, for increased security. Additionally, advancements in multi-factor and biometric authentication could complement Digest authentication to provide even stronger user verification methods.<\/p>"},{"question":"How does Digest Proxy Authentication contribute to proxy server security?","answer":"<p>Digest Proxy Authentication allows proxy servers to authenticate clients before granting access to external resources. By enforcing user authentication at the proxy level, it can reduce the load on the target server and enhance overall performance. This additional layer of security helps ensure that only authorized clients can access the internet through the proxy.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476813","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\/476813\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476814"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476813"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}