{"id":108729,"date":"2023-08-12T10:30:00","date_gmt":"2023-08-12T01:30:00","guid":{"rendered":"https:\/\/www.kotora.jp/c\/?p=108729"},"modified":"2025-08-12T10:32:51","modified_gmt":"2025-08-12T01:32:51","slug":"108729-2","status":"publish","type":"post","link":"https:\/\/www.kotora.jp/c\/108729-2\/","title":{"rendered":"WEP\u3063\u3066\u4f55\uff1f\u521d\u5fc3\u8005\u3067\u3082\u308f\u304b\u308bWi-Fi\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u89e3\u8aac"},"content":{"rendered":"<div class=\"smb-contents-outline wp-block-snow-monkey-blocks-contents-outline\">\n\t\n<div\n\tclass=\"wpco-wrapper \"\n\taria-hidden=\"true\"\n\tid=\"\"\n\tdata-wpco-post-class=\".post-108729\"\n\tdata-wpco-selector=\".c-entry__content,.c-entry__content .wp-block-group,.c-entry__content .wp-block-group__inner-container\"\n\tdata-wpco-headings=\"h2,h3,h4\"\n\tdata-wpco-move=\"true\"\n\tdata-wpco-move-to=\".c-entry__content\"\n\t>\n\t\n\t<div class=\"wpco\">\n\t\t\t\t\t<h2 class=\"wpco__title\">\u76ee\u6b21<\/h2>\n\t\t\n\t\t<div class=\"contents-outline\"><\/div>\n\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">WEP\u306e\u57fa\u672c\u6982\u8981<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">WEP\u306e\u610f\u5473\u3068\u6b74\u53f2<\/h3>\n\n\n\n<p>WEP\u3068\u306f\u300cWired Equivalent Privacy\u300d\u306e\u7565\u3067\u3001\u7121\u7dda\u901a\u4fe1\u306b\u304a\u3044\u3066\u6709\u7dda\u901a\u4fe1\u3068\u540c\u7b49\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u6697\u53f7\u5316\u65b9\u5f0f\u3067\u3059\u3002WEP\u306f1997\u5e74\u306b\u898f\u683c\u5316\u3055\u308c\u30011999\u5e74\u306b\u6b63\u5f0f\u306bIEEE 802.11\u306e\u4e00\u90e8\u3068\u3057\u3066\u627f\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u5f53\u6642\u3001Wi-Fi\u306e\u666e\u53ca\u304c\u9032\u3080\u4e2d\u3001\u7121\u7dda\u901a\u4fe1\u304c\u6301\u3064\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u30ea\u30b9\u30af\u3092\u88dc\u3046\u305f\u3081\u306b\u4f5c\u3089\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u306f\u300140\u30d3\u30c3\u30c8\u307e\u305f\u306f128\u30d3\u30c3\u30c8\u306e\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u304c\u63a1\u7528\u3055\u308c\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u5f8c\u3001\u8106\u5f31\u6027\u304c\u898b\u3064\u304b\u308a\u3001\u73fe\u5728\u3067\u306fWEP\u306e\u5229\u7528\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WEP\u306e\u958b\u767a\u80cc\u666f<\/h3>\n\n\n\n<p>WEP\u306f\u3001\u7121\u7dda\u901a\u4fe1\u304c\u7528\u3044\u3089\u308c\u308b\u969b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002\u7121\u7dda\u901a\u4fe1\u306f\u3001\u305d\u306e\u7279\u6027\u4e0a\u3001\u96fb\u6ce2\u304c\u5e83\u7bc4\u56f2\u306b\u5c4a\u304f\u305f\u3081\u3001\u508d\u53d7\u3084\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u3068\u3044\u3046\u8ab2\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001\u6709\u7dda\u901a\u4fe1\u3068\u540c\u69d8\u306b\u5b89\u5168\u306a\u901a\u4fe1\u8def\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u6027\u304c\u3042\u308a\u307e\u3057\u305f\u3002WEP\u306f\u3001\u3053\u306e\u8ab2\u984c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001\u4e00\u610f\u306e\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u3092\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u3067\u3001\u7121\u7dda\u901a\u4fe1\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6709\u7dda\u901a\u4fe1\u3068\u306e\u9055\u3044<\/h3>\n\n\n\n<p>\u6709\u7dda\u901a\u4fe1\u306f\u3001\u7269\u7406\u7684\u306a\u30b1\u30fc\u30d6\u30eb\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c\u9001\u53d7\u4fe1\u3055\u308c\u308b\u305f\u3081\u3001\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u304c\u6bd4\u8f03\u7684\u4f4e\u3044\u3067\u3059\u3002\u4e00\u65b9\u3001\u7121\u7dda\u901a\u4fe1\u306f\u96fb\u6ce2\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u4f1d\u9001\u3059\u308b\u305f\u3081\u3001\u5efa\u7269\u306e\u58c1\u3084\u4ed5\u5207\u308a\u3092\u8d8a\u3048\u3066\u901a\u4fe1\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u305d\u306e\u7bc4\u56f2\u5185\u306b\u3044\u308c\u3070\u30c7\u30fc\u30bf\u3092\u508d\u53d7\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u7121\u7dda\u901a\u4fe1\u3067\u306f\u6709\u7dda\u901a\u4fe1\u3068\u540c\u7b49\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001WEP\u304c\u305d\u306e\u5f79\u5272\u3092\u62c5\u3046\u521d\u671f\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066\u767b\u5834\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Wi-Fi\u6697\u53f7\u5316\u306b\u304a\u3051\u308bWEP\u306e\u5f79\u5272<\/h3>\n\n\n\n<p>WEP\u306f\u3001Wi-Fi\u6697\u53f7\u5316\u6280\u8853\u306e\u9ece\u660e\u671f\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3057\u305f\u3002\u7121\u7ddaLAN\u3067\u9001\u53d7\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u306a\u508d\u53d7\u3092\u9632\u3050\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001WEP\u30ad\u30fc\u3068\u3044\u3046\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3068\u63a5\u7d9a\u7aef\u672b\u306e\u9593\u306e\u901a\u4fe1\u3092\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306b\u3001Wi-Fi\u901a\u4fe1\u3092\u666e\u53ca\u3055\u305b\u308b\u4e0a\u3067\u3001WEP\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3067\u306e\u4fe1\u983c\u611f\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u57fa\u76e4\u3092\u63d0\u4f9b\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.kotora.jp\/c\/96494-2\n<\/div><\/figure>\n\n\n\n<p class=\"has-text-align-right\"><strong><a href=\"https:\/\/www.kotora.jp\/service\/tenshoku_entry.php?utm_campaign=kotora_contents_108729\">\u8ee2\u8077\u306e\u3054\u76f8\u8ac7\uff08\u7121\u6599\uff09\u306f\u3053\u3061\u3089\uff1e<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WEP\u306e\u4ed5\u7d44\u307f\u3068\u7279\u5fb4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6697\u53f7\u5316\u65b9\u5f0f\u306e\u6982\u8981<\/h3>\n\n\n\n<p>WEP\uff08Wired Equivalent Privacy\uff09\u306f\u3001\u7121\u7ddaLAN\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u6697\u53f7\u5316\u65b9\u5f0f\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001RC4\u3068\u547c\u3070\u308c\u308b\u30b9\u30c8\u30ea\u30fc\u30e0\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u7121\u7dda\u901a\u4fe1\u304c\u76d7\u8074\u3055\u308c\u3066\u3082\u5185\u5bb9\u304c\u5206\u304b\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u521d\u306e\u5c0e\u5165\u76ee\u7684\u306f\u3001\u6709\u7dda\u901a\u4fe1\u3068\u540c\u7b49\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>WEP\u306e\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u306f\u3001\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f\u5c02\u7528\u306e\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u6697\u53f7\u5316\u3055\u308c\u3001\u76f8\u624b\u5074\u304c\u540c\u3058\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u5fa9\u53f7\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u901a\u4fe1\u76f8\u624b\u4ee5\u5916\u304c\u30c7\u30fc\u30bf\u306e\u4e2d\u8eab\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u3092\u9632\u3050\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WEP\u30ad\u30fc\u3068\u306f\uff1f<\/h3>\n\n\n\n<p>WEP\u30ad\u30fc\u3068\u306f\u3001\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u304a\u3088\u3073\u5fa9\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u79d8\u5bc6\u9375\u3067\u3059\u3002\u901a\u4fe1\u3092\u884c\u3046\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u3053\u306eWEP\u30ad\u30fc\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u3067\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u304f\u89e3\u8aad\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30ad\u30fc\u306e\u9577\u3055\u3068\u3057\u306640\u30d3\u30c3\u30c8\u307e\u305f\u306f128\u30d3\u30c3\u30c8\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u30ad\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u304cWi-Fi\u8a2d\u5b9a\u6642\u306b\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>40\u30d3\u30c3\u30c8\u30ad\u30fc\u306f5\u6587\u5b57\u306e\u82f1\u6570\u5b57\u3067\u69cb\u6210\u3055\u308c\u3001128\u30d3\u30c3\u30c8\u30ad\u30fc\u306f13\u6587\u5b57\u3067\u69cb\u6210\u3055\u308c\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u4e00\u898b\u3059\u308b\u3068\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u601d\u308f\u308c\u307e\u3059\u304c\u3001\u73fe\u5728\u3067\u306fWEP\u30ad\u30fc\u306b\u306f\u8106\u5f31\u6027\u304c\u591a\u3044\u3053\u3068\u304c\u6307\u6458\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u6e96\u3067\u306f\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u3068\u5fa9\u53f7\u5316\u306e\u6d41\u308c<\/h3>\n\n\n\n<p>WEP\u306e\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u3068\u5fa9\u53f7\u5316\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u306a\u4ed5\u7d44\u307f\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u3001\u9001\u4fe1\u5074\u3067\u306f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u524d\u306b\u3001RC4\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066WEP\u30ad\u30fc\u3092\u3082\u3068\u306b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u969b\u3001IV\uff08Initialization Vector\uff09\u3068\u547c\u3070\u308c\u308b\u521d\u671f\u5316\u30d9\u30af\u30c8\u30eb\u304c\u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3055\u308c\u3001WEP\u30ad\u30fc\u3068\u5171\u306b\u6697\u53f7\u5316\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001\u901a\u4fe1\u76f8\u624b\u3067\u3042\u308b\u53d7\u4fe1\u5074\u306b\u9001\u3089\u308c\u307e\u3059\u3002\u53d7\u4fe1\u5074\u3067\u306f\u3001WEP\u30ad\u30fc\u3068IV\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u5fa9\u53f7\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u9001\u4fe1\u8005\u3068\u53d7\u4fe1\u8005\u306e\u9593\u3067\u30c7\u30fc\u30bf\u304c\u5b89\u5168\u306b\u3084\u308a\u53d6\u308a\u3067\u304d\u308b\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u6697\u53f7\u5316\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u8106\u5f31\u6027\u304c\u3042\u308a\u3001\u7279\u5b9a\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3059\u308c\u3070\u7b2c\u4e09\u8005\u304c\u5bb9\u6613\u306b\u30ad\u30fc\u3092\u89e3\u8aad\u3067\u304d\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">40bit\u3068128bit\u306e\u9055\u3044<\/h3>\n\n\n\n<p>WEP\u3067\u306f40\u30d3\u30c3\u30c8\u3068128\u30d3\u30c3\u30c8\u306e2\u7a2e\u985e\u306e\u30ad\u30fc\u9577\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u306e\u9055\u3044\u306f\u3001\u4e3b\u306b\u6697\u53f7\u5316\u306e\u5f37\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u90e8\u5206\u3067\u3059\u300240\u30d3\u30c3\u30c8\u30ad\u30fc\u306f5\u6587\u5b57\u306e\u82f1\u6570\u5b57\u3067\u69cb\u6210\u3055\u308c\u3001128\u30d3\u30c3\u30c8\u30ad\u30fc\u306f13\u6587\u5b57\u306e\u82f1\u6570\u5b57\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u7406\u8ad6\u4e0a\u3001128\u30d3\u30c3\u30c8\u30ad\u30fc\u306e\u65b9\u304c\u6697\u53f7\u5316\u3092\u89e3\u8aad\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u6642\u9593\u3068\u624b\u9593\u304c\u5897\u3048\u308b\u305f\u3081\u3001\u3088\u308a\u5b89\u5168\u3060\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3069\u3061\u3089\u306e\u5834\u5408\u3067\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8ab2\u984c\u304c\u9855\u8457\u3067\u3001\u4eca\u65e5\u3067\u306f\u653b\u6483\u8005\u306b\u3088\u3063\u3066\u3059\u3050\u306b\u7834\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u3001WEP\u3067\u4f7f\u7528\u3055\u308c\u308bRC4\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068IV\u306e\u518d\u5229\u7528\u306b\u95a2\u3059\u308b\u8106\u5f31\u6027\u304c\u3001\u30ad\u30fc\u306e\u9577\u3055\u306b\u304b\u304b\u308f\u3089\u305a\u5168\u4f53\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u640d\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u73fe\u4ee3\u306eWi-Fi\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001WEP\u305d\u306e\u3082\u306e\u306e\u5229\u7528\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.kotora.jp\/c\/94008-2\n<\/div><\/figure>\n\n\n\n<p class=\"has-text-align-right\"><strong><a href=\"https:\/\/www.kotora.jp\/service\/tenshoku_entry.php?utm_campaign=kotora_contents_108729\">\u8ee2\u8077\u306e\u3054\u76f8\u8ac7\uff08\u7121\u6599\uff09\u306f\u3053\u3061\u3089\uff1e<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WEP\u306e\u8106\u5f31\u6027\u3068\u8ab2\u984c<\/h2>\n\n\n\n<h3 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class=\"wp-block-heading\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u306e\u6982\u8981<\/h3>\n\n\n\n<p>WEP\u306b\u306f\u6697\u53f7\u5316\u3060\u3051\u3067\u306a\u304f\u3001\u30c7\u30fc\u30bf\u6539\u3056\u3093\u3092\u9632\u3050\u4ed5\u7d44\u307f\u306b\u3082\u5927\u304d\u306a\u6b20\u9665\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u6765\u3001\u901a\u4fe1\u306e\u6574\u5408\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u306f\u3001\u6539\u3056\u3093\u691c\u77e5\u306e\u4ed5\u7d44\u307f\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u304c\u3001WEP\u3067\u306f\u300cCRC-32\u300d\u3068\u3044\u3046\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u624b\u6cd5\u306e\u307f\u306b\u983c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u6697\u53f7\u5316\u3068\u306f\u72ec\u7acb\u3057\u305f\u6280\u8853\u3067\u3042\u308b\u305f\u3081\u3001\u60aa\u610f\u306e\u3042\u308b\u7b2c\u4e09\u8005\u304c\u7c21\u5358\u306b\u30c7\u30fc\u30bf\u3092\u6539\u3056\u3093\u3057\u3001\u305d\u308c\u304c\u691c\u51fa\u3055\u308c\u306a\u3044\u72b6\u6cc1\u3092\u4f5c\u308a\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u6539\u3056\u3093\u3084\u76d7\u8074\u3068\u3044\u3063\u305f\u653b\u6483\u306e\u30ea\u30b9\u30af\u3092\u9632\u3050\u3053\u3068\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u969b\u306b\u4f7f\u308f\u308c\u305f\u653b\u6483\u624b\u6cd5<\/h3>\n\n\n\n<p>WEP\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u305f\u653b\u6483\u624b\u6cd5\u3068\u3057\u3066\u3001\u300c\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u300d\u3068\u300c\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u300d\u304c\u4ee3\u8868\u7684\u3067\u3059\u3002\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u3067\u306f\u3001\u653b\u6483\u8005\u304cWEP\u901a\u4fe1\u3092\u508d\u53d7\u3057\u3066\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3001\u6697\u53f7\u30d1\u30bf\u30fc\u30f3\u3092\u89e3\u6790\u3059\u308b\u3053\u3068\u3067\u9375\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30ea\u30d7\u30ec\u30a4\u653b\u6483\u3067\u306f\u3001\u904e\u53bb\u306b\u9001\u53d7\u4fe1\u3055\u308c\u305f\u7279\u5b9a\u306e\u6697\u53f7\u5316\u30d1\u30b1\u30c3\u30c8\u3092\u518d\u9001\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u4fe1\u306e\u6574\u5408\u6027\u3092\u5d29\u3057\u305f\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u6a5f\u4f1a\u3092\u4f5c\u308a\u51fa\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u300cAircrack-ng\u300d\u306a\u3069\u306e\u5c02\u7528\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u3053\u308c\u3089\u306e\u653b\u6483\u306f\u521d\u5fc3\u8005\u3067\u3082\u5bb9\u6613\u306b\u5b9f\u884c\u53ef\u80fd\u3067\u3042\u308a\u3001\u5b9f\u969b\u306b\u591a\u304f\u306e\u88ab\u5bb3\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.kotora.jp\/c\/91174-2\n<\/div><\/figure>\n\n\n\n<p class=\"has-text-align-right\"><strong><a href=\"https:\/\/www.kotora.jp\/service\/tenshoku_entry.php?utm_campaign=kotora_contents_108729\">\u8ee2\u8077\u306e\u3054\u76f8\u8ac7\uff08\u7121\u6599\uff09\u306f\u3053\u3061\u3089\uff1e<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WEP\u3092\u6539\u5584\u3059\u308b\u66ff\u308f\u308a\u306e\u30d7\u30ed\u30c8\u30b3\u30eb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">WPA\u3068WPA2\u306e\u767b\u5834<\/h3>\n\n\n\n<p>WEP\u306e\u8106\u5f31\u6027\u3092\u88dc\u3046\u305f\u3081\u30012003\u5e74\u306b\u65b0\u305f\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066WPA\uff08Wi-Fi Protected Access\uff09\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002WPA\u306f\u3001WEP\u306e\u5171\u6709\u9375\u65b9\u5f0f\u306e\u8ab2\u984c\u3092\u514b\u670d\u3057\u3001TKIP\uff08Temporal Key Integrity Protocol\uff09\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3092\u63a1\u7528\u3057\u305f\u3053\u3068\u3067\u3001\u9375\u306e\u52d5\u7684\u751f\u6210\u3068\u30d1\u30b1\u30c3\u30c8\u3054\u3068\u306e\u6697\u53f7\u5316\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001WPA\u3082\u5b8c\u5168\u3067\u306f\u306a\u304f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306f\u4f9d\u7136\u3068\u3057\u3066\u5b58\u5728\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u30012004\u5e74\u306b\u767b\u5834\u3057\u305fWPA2\u306f\u3001\u3088\u308a\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u3001AES\uff08Advanced Encryption Standard\uff09\u3092\u63a1\u7528\u3057\u305f\u3053\u3068\u3067\u6697\u53f7\u5316\u306e\u5b89\u5168\u6027\u3092\u3055\u3089\u306b\u5411\u4e0a\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u306eAES\u306e\u5f37\u5316\u306b\u3088\u308a\u3001WPA2\u306f\u73fe\u5728\u3001\u5e83\u304f\u4f7f\u7528\u3055\u308c\u308b\u6a19\u6e96\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TKIP\u3068AES\u306e\u9055\u3044<\/h3>\n\n\n\n<p>TKIP\u3068AES\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u6697\u53f7\u5316\u6280\u8853\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002TKIP\u306f\u3001\u5f53\u6642\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u305d\u306e\u307e\u307e\u6d3b\u7528\u3057\u306a\u304c\u3089WEP\u306e\u6b20\u70b9\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u3002\u4e00\u65b9\u3067\u3001AES\u306f\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u305d\u306e\u3082\u306e\u304c\u5927\u5e45\u306b\u6539\u826f\u3055\u308c\u3066\u304a\u308a\u3001\u73fe\u5728\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u305f\u65b9\u5f0f\u3067\u3059\u3002AES\u306f\u3001\u3088\u308a\u5f37\u56fa\u306a\u6697\u53f7\u5316\u624b\u6cd5\u3092\u63d0\u4f9b\u3057\u3001\u30af\u30e9\u30c3\u30ad\u30f3\u30b0\u304c\u56f0\u96e3\u306a\u70b9\u304c\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001WPA2\u306b\u304a\u3044\u3066\u3082TKIP\u3088\u308aAES\u304c\u63a8\u5968\u3055\u308c\u3001\u6700\u65b0\u306eWi-Fi\u5bfe\u5fdc\u6a5f\u5668\u3067\u306f\u307b\u3068\u3093\u3069AES\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WPA3\u3068\u306f\uff1f\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a19\u6e96<\/h3>\n\n\n\n<p>WPA3\u306f2018\u5e74\u306b\u767a\u8868\u3055\u308c\u305f\u6700\u65b0\u4e16\u4ee3\u306eWi-Fi\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3001\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u6c42\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002WPA3\u3067\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5f37\u5316\u3001\u516c\u958b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u3001\u3055\u3089\u306b\u524d\u65b9\u79d8\u533f\u6027\uff08Forward Secrecy\uff09\u3068\u547c\u3070\u308c\u308b\u6a5f\u80fd\u306b\u3088\u308a\u3001\u904e\u53bb\u306e\u30c7\u30fc\u30bf\u3092\u5fa9\u53f7\u3055\u308c\u306b\u304f\u304f\u3059\u308b\u4ed5\u7d44\u307f\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001AES\u306b\u57fa\u3065\u304f\u3088\u308a\u9ad8\u5ea6\u306a\u6697\u53f7\u5316\u65b9\u5f0f\u3067\u3042\u308bCNSA\uff08Commercial National Security Algorithm Suite\uff09\u3092\u4e00\u90e8\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4e00\u5c64\u5f37\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001WPA3\u306f\u5bb6\u5ead\u7528\u3060\u3051\u3067\u306a\u304f\u3001\u696d\u52d9\u7528\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3082\u6700\u9069\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u308c\u304b\u3089\u306eWi-Fi\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c55\u671b<\/h3>\n\n\n\n<p>\u3053\u308c\u304b\u3089\u306eWi-Fi\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001WPA3\u3092\u6a19\u6e96\u3068\u3057\u306a\u304c\u3089\u3055\u3089\u306b\u9032\u5316\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002IoT\u6a5f\u5668\u306e\u5897\u52a0\u3084\u516c\u8846Wi-Fi\u306e\u666e\u53ca\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u6027\u306f\u307e\u3059\u307e\u3059\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u8efd\u91cf\u306a\u6697\u53f7\u5316\u6280\u8853\u306e\u958b\u767a\u3084\u3001AI\u3092\u6d3b\u7528\u3057\u305f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u8105\u5a01\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\u304c\u691c\u8a0e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4e0d\u8981\u3068\u3059\u308b\u65b0\u3057\u3044\u8a8d\u8a3c\u65b9\u5f0f\u3001\u4f8b\u3048\u3070\u751f\u4f53\u8a8d\u8a3c\u6280\u8853\u3084\u7269\u7406\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c8\u30fc\u30af\u30f3\u306e\u5c0e\u5165\u3082\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002Wi-Fi\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u672a\u6765\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b7\u30f3\u30d7\u30eb\u306b\u5229\u7528\u3067\u304d\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u80cc\u5f8c\u3067\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u50cd\u304f\u4ed5\u7d44\u307f\u3092\u76ee\u6307\u3057\u3066\u9032\u5316\u3057\u3066\u3044\u304f\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WEP\u306e\u57fa\u672c\u6982\u8981 WEP\u306e\u610f\u5473\u3068\u6b74\u53f2 WEP\u3068\u306f\u300cWired Equivalent Privacy\u300d\u306e\u7565\u3067\u3001\u7121\u7dda\u901a\u4fe1\u306b\u304a\u3044\u3066\u6709\u7dda\u901a\u4fe1\u3068\u540c\u7b49\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u6697\u53f7\u5316\u65b9\u5f0f\u3067\u3059\u3002WEP\u306f1997\u5e74\u306b\u898f\u683c\u5316 [&hellip;]<\/p>\n","protected":false},"author":59,"featured_media":94116,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wp-seo-meta-description":"","wp-seo-meta-robots":[]},"categories":[42],"tags":[],"class_list":{"0":"post-108729","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-it","8":"c-entry"},"acf":{"moreSummary":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - 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