{"id":1014,"date":"2017-03-30T09:47:06","date_gmt":"2017-03-30T00:47:06","guid":{"rendered":"https:\/\/column.prime-strategy.co.jp\/?p=1014"},"modified":"2022-12-15T10:25:38","modified_gmt":"2022-12-15T01:25:38","slug":"%e5%ae%89%e5%85%a8%e3%81%aa%e3%83%8f%e3%83%83%e3%82%b7%e3%83%a5%e9%96%a2%e6%95%b0%e3%81%a8password_hash","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_1014","title":{"rendered":"\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068password_hash()"},"content":{"rendered":"<p>\u4eca\u56de\u3088\u308a\u3053\u3053\u3067\u9023\u8f09\u3092\u3055\u305b\u3066\u3044\u305f\u3060\u304f\u3053\u3068\u306b\u306a\u3063\u305f\u5c0f\u5c71 (<a href=\"http:\/\/twitter.com\/koyhoge\">koyhoge<\/a>)\u3067\u3059\u3002\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3057\u3066\u304a\u308a\u307e\u3057\u3066\u3001\u4ed6\u306b<a href=\"http:\/\/mb.cloud.nifty.com\/\">\u30cb\u30d5\u30c6\u30a3\u30af\u30e9\u30a6\u30c9 mobile backend (NCMB)<\/a> \u3068\u3044\u3046 mBaaS \u30b5\u30fc\u30d3\u30b9\u306e\u30a8\u30d0\u30f3\u30b8\u30a7\u30ea\u30b9\u30c8\u3082\u3084\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u304c\u304d\u3063\u304b\u3051\u3067\u3053\u3053\u306b\u66f8\u304b\u305b\u3066\u3082\u3089\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3055\u3066\u7b2c1\u56de\u76ee\u306f\u3001PHP 5.5.0 \u304b\u3089\u65b0\u305f\u306b\u5c0e\u5165\u3055\u308c\u305f <a href=\"http:\/\/php.net\/password_hash\">password_hash()<\/a> \u95a2\u6570\u306b\u3064\u3044\u3066\u6df1\u6398\u308a\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%8F%E3%83%83%E3%82%B7%E3%83%A5%E9%96%A2%E6%95%B0%E3%81%A8%E3%81%AF\"><\/span>\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u306e\u30c6\u30fc\u30de\u3092\u53d6\u308a\u4e0a\u3052\u308b\u304d\u3063\u304b\u3051\u306f\u3001\u4eca\u5e74\u306e1\u670831\u65e5\u306b\u958b\u50ac\u3055\u308c\u305fPHP\u52c9\u5f37\u4f1a\uff20\u6771\u4eac\u3067\u306e\u3001\u9577\u8c37\u5ddd\u667a\u5e0c\u3055\u3093\u306e\u767a\u8868\u3067\u3059\u3002<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30cf\u30c3\u30b7\u30e5\u3068\u6697\u53f7\u306f\u9055\u3046\u305e\uff01 \/ Do not confuse hashes and ciphers.\" id=\"talk_frame_377748\" class=\"speakerdeck-iframe\" src=\"\/\/speakerdeck.com\/player\/7f78fe75934844f08fc6e3e9e8554680\" width=\"1200\" height=\"900\" style=\"aspect-ratio:1200\/900; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\" mozallowfullscreen=\"true\" webkitallowfullscreen=\"true\"><\/iframe><br \/>\n<a href=\"https:\/\/speakerdeck.com\/tomzoh\/do-not-confuse-hashes-and-ciphers#\">\u30cf\u30c3\u30b7\u30e5\u3068\u6697\u53f7\u306f\u9055\u3046\u305e\uff01 \/ Do not confuse hashes and ciphers.<\/a><\/p>\n<p>\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u7279\u5fb4\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u3042\u308b\u5024\u306b\u51e6\u7406\u3092\u884c\u3063\u305f\u969b\u306b\u3001\u3082\u3068\u306e\u5024\u3068\u306f\u95a2\u4fc2\u304f\u898b\u3048\u308b\u5225\u306e\u5024\u306b\u5909\u63db\u3055\u308c\u308b\u3002<\/li>\n<li>\u5909\u63db\u5f8c\u306e\u5024\u304c\u540c\u3058\u306a\u306e\u306b\u3001\u305d\u3063\u304f\u308a\u3060\u304c\u5b9f\u306f\u7570\u306a\u308b\u3068\u3044\u3046\u5909\u63db\u524d\u306e\u5024\u3092\u5f97\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3002<\/li>\n<li>\u5909\u63db\u5f8c\u306e\u5024\u304b\u3089\u5909\u63db\u524d\u306e\u5024\u3092\u63a8\u6e2c\u3059\u308b\u3053\u3068\u306f\u6975\u3081\u3066\u96e3\u3057\u3044\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u7279\u6027\u306e\u305f\u3081\u3001\u30e6\u30fc\u30b6\u304c\u5165\u529b\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092DB\u306a\u3069\u306b\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30e6\u30fc\u30b6\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u6587\u5b57\u5217\u306f\u3001\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306b\u3088\u3063\u3066\u5909\u63db\u3055\u308c\u3066DB\u306b\u683c\u7d0d\u3055\u308c\u3001\u3057\u304b\u3082\u5909\u63db\u5f8c\u306e\u6587\u5b57\u5217\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u63a8\u6e2c\u3059\u308b\u306e\u306f\u56f0\u96e3\u306a\u306e\u3067\u3001\u4eee\u306bDB\u306e\u5185\u5bb9\u304c\u6d41\u51fa\u3057\u3066\u3082\u30d1\u30b9\u30ef\u30fc\u30c9\u305d\u306e\u3082\u306e\u306f\u5b88\u3089\u308c\u308b\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>\u5148\u65e5 2\u670824\u65e5\u306b\u3001\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306e\u4e00\u7a2e\u3067\u3042\u308b\u300cSHA-1\u300d\u304c\u7834\u3089\u308c\u305f\u3068\u3044\u3046\u767a\u8868\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p>Web\u30d6\u30e9\u30a6\u30b6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306a\u3069\u5e45\u5e83\u3044\u7528\u9014\u306b\u4f7f\u308f\u308c\u3066\u304d\u305f\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u300cSHA-1\u300d\u306b\u3064\u3044\u3066\u3001\u7c73Google\u306f2\u670823\u65e5\u3001\u7406\u8ad6\u4e0a\u306e\u53ef\u80fd\u6027\u304c\u6307\u6458\u3055\u308c\u3066\u3044\u305fSHA-1\u885d\u7a81\u3092\u521d\u3081\u3066\u6210\u529f\u3055\u305b\u305f\u3068\u767a\u8868\u3057\u305f\u3002\u3053\u308c\u3067SHA-256\u3084SHA-3\u306e\u3088\u3046\u306a\u3001\u5b89\u5168\u306a\u6697\u53f7\u30cf\u30c3\u30b7\u30e5\u3078\u306e\u79fb\u884c\u3092\u6025\u3050\u5fc5\u8981\u6027\u304c\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u9ad8\u307e\u3063\u305f\u3068\u5f37\u8abf\u3057\u3066\u3044\u308b\u3002<\/p><\/blockquote>\n<p>\u300cSHA-1\u885d\u7a81\u653b\u6483\u304c\u3064\u3044\u306b\u73fe\u5b9f\u306b\u3001Google\u767a\u8868\u300090\u65e5\u5f8c\u306b\u30b3\u30fc\u30c9\u516c\u958b\u300d<br \/>\n<a href=\"http:\/\/www.itmedia.co.jp\/enterprise\/articles\/1702\/24\/news067.html\">http:\/\/www.itmedia.co.jp\/enterprise\/articles\/1702\/24\/news067.html<\/a><\/p>\n<p>\u3053\u308c\u306fSHA-1\u3092\u7528\u3044\u3066PDF\u3092\u5909\u63db\u3057\u305f\u5024\u304c\u3001\u3088\u304f\u4f3c\u3066\u3044\u308b\u304c\u7570\u306a\u308b2\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u540c\u4e00\u306b\u3059\u308b\u624b\u6cd5\u304c\u767a\u898b\u3055\u308c\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u6539\u7ac4\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u306e\u78ba\u8a8d\u306e\u305f\u3081\u306b\u3001\u5143\u30c7\u30fc\u30bf\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u516c\u958b\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u306f\u3088\u304f\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u304cSHA-1\u306e\u5834\u5408\u306f\u3001\u3082\u306f\u3084\u6539\u7ac4\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u306f\u4fdd\u8a3c\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u3068\u306f\u3044\u3048SHA-1\u306f\u3059\u3067\u306b\u69d8\u3005\u306a\u554f\u984c\u304c\u6307\u6458\u3055\u308c\u3066\u304a\u308a\u3001\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u306f\u3059\u3067\u306b\u4f7f\u7528\u4e2d\u6b62\u304c\u63d0\u8a00\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u6539\u826f\u3057\u305fSHA-2\u306a\u3069\u304c\u3001\u3088\u308a\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068\u3057\u3066\u3059\u3067\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5927\u4e8b\u306a\u306e\u306f\u3001\u4f55\u304c\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306a\u306e\u304b\u3068\u3044\u3046\u70b9\u306f\u3001\u6642\u4ee3\u3068\u3068\u3082\u306b\u5909\u5316\u3057\u3066\u3044\u304f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u73fe\u5728\u306eSHA-1\u304c\u767a\u8868\u3055\u308c\u305f\u306e\u306f1995\u5e74\u3067\u3059\u304c\u3001\u5f53\u6642\u306e\u8a08\u7b97\u901f\u5ea6\u3067\u306f\u5341\u5206\u306b\u5b89\u5168\u3068\u3055\u308c\u305f\u306e\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u8a08\u7b97\u901f\u5ea6\u306f\u3069\u3093\u3069\u3093\u4e0a\u304c\u308a\u3001SHA-1\u5909\u63db\u524d\u306e\u5024\u3092\u52b9\u7387\u7684\u306b\u6c42\u3081\u308b\u624b\u6cd5\u304c\u767a\u898b\u3055\u308c\u305f\u3053\u3068\u3082\u3042\u308a\u3001\u73fe\u5728\u3067\u306fSHA-1\u306f\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068\u306f\u898b\u306a\u3055\u308c\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306fSHA-1\u306e\u79fb\u884c\u5148\u3068\u3057\u3066\u3001SHA-2\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u3064\u3067\u3042\u308bSHA-256\u304c\u4f7f\u308f\u308c\u59cb\u3081\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3053\u308c\u3082\u73fe\u5728\u306e\u8a08\u7b97\u901f\u5ea6\u3068\u3001\u4eca\u306e\u3068\u3053\u308d\u653b\u6483\u624b\u6cd5\u304c\u898b\u3064\u304b\u3063\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3068\u308a\u3042\u3048\u305a\u5b89\u5168\u3060\u308d\u3046\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u308b\u306b\u3059\u304e\u307e\u305b\u3093\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"password_hash_%E3%81%AF%E3%81%AA%E3%81%9C%E7%94%9F%E3%81%BE%E3%82%8C%E3%81%9F%E3%81%8B\"><\/span>password_hash() \u306f\u306a\u305c\u751f\u307e\u308c\u305f\u304b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u306e\u3088\u3046\u306b\u6642\u4ee3\u3068\u3068\u3082\u306b\u5909\u5316\u3059\u308b\u300c\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u300d\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u826f\u3044\u3067\u3057\u3087\u3046\u304b\u3002PHP\u3067\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3092\u7528\u3044\u308b\u306b\u306f\u3001\u5927\u6614\u3067\u306f<\/p>\n<pre class=\"brush:php gutter:false\">$out = sha1($input);\n<\/pre>\n<p>\u3084<\/p>\n<pre class=\"brush:php gutter:false\">$out = md5($input);\n<\/pre>\n<p>\u306a\u3069\u306e\u3088\u3046\u306b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u540d\u306e\u95a2\u6570\u3092\u76f4\u63a5\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3055\u3059\u304c\u306b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5909\u66f4\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u6642\u306b\u4e0d\u4fbf\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3001PHP-5.1.2 \u304b\u3089 hash() \u95a2\u6570\u304c\u4f5c\u3089\u308c\u307e\u3057\u305f\u3002hash() \u95a2\u6570\u306f<\/p>\n<pre class=\"brush:php gutter:false\">$out = hash(\u2018sha1\u2019, $input);\n<\/pre>\n<p>\u3068\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u6c4e\u7528\u95a2\u6570\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306a\u3089\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u8a2d\u5b9a\u5024\u3068\u3057\u3066\u5916\u90e8\u306b\u6301\u305f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u305d\u306e\u5834\u5408\u306e\u554f\u984c\u306f\u3001\u30cf\u30c3\u30b7\u30e5\u3068\u3057\u3066\u5909\u63db\u3055\u308c\u305f\u7d50\u679c\u306b\u5f8c\u65b9\u4e92\u63db\u6027\u304c\u306a\u3044\u3053\u3068\u3067\u3059\u3002SHA-1\u3067\u5909\u63db\u3057\u305f\u5024\u3068SHA-256\u3067\u5909\u63db\u3057\u305f\u5024\u306f\u5f53\u7136\u306a\u304c\u3089\u7570\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092SHA-1\u5909\u63db\u3057\u305f\u5024\u3068\u3057\u3066DB\u306b\u4fdd\u6301\u3057\u3066\u3042\u3063\u305f\u5834\u5408\u3001\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092SHA-256\u306b\u5909\u66f4\u3059\u308b\u969b\u306b\u306fDB\u306e\u4e2d\u306e\u5024\u3092\u3059\u3079\u3066SHA-256\u3067\u5909\u63db\u3057\u76f4\u3055\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u3053\u308c\u3092\u30b5\u30fc\u30d3\u30b9\u3092\u52d5\u304b\u3057\u306a\u304c\u3089\u884c\u3046\u306e\u306f\u3001\u9593\u9055\u3044\u304c\u8d77\u3053\u308a\u3084\u3059\u304f\u5927\u5909\u306a\u52b4\u529b\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001PHP-5.5.0\/PHP-7.0 \u304b\u3089<a href=\"http:\/\/php.net\/password_hash\">password_hash()<\/a>\u95a2\u6570\u304c\u65b0\u305f\u306b\u4f5c\u3089\u308c\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush:php gutter:false\">\/\/ \u30cf\u30c3\u30b7\u30e5\u5024\u751f\u6210\n$out = password_hash($input, PASSWORD_DEFAULT);\n\n\/\/ \u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30cf\u30c3\u30b7\u30e5\u3068\u5165\u529b\u304c\u5408\u3063\u3066\u3044\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\n$valid = password_verify($input, $out);\n<\/pre>\n<p>\u5165\u529b\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u306e\u6bd4\u8f03\u306b\u306f\u3001\u6587\u5b57\u5217\u305d\u306e\u3082\u306e\u306e\u6bd4\u8f03\u3067\u306f\u306a\u304f <a href=\"http:\/\/php.net\/password_verify\">password_verfy()<\/a> \u3068\u3044\u3046\u5c02\u7528\u306e\u95a2\u6570\u3092\u4f7f\u3044\u307e\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u5f8c\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>password_hash() \u306b\u6e21\u3059\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u306f\u3001\u901a\u5e38 PASSWORD_DEFAULT \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u305d\u306ePHP\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u6642\u70b9\u3067\u5341\u5206\u306b\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u9078\u629e\u3055\u308c\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u73fe\u5728\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u308bPHP\u3067\u306f\u5185\u90e8\u7684\u306b\u306fPASSWORD_BCRYPT \u3068\u540c\u4e00\u3067\u3001Blowfish\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u5c06\u6765\u7684\u306b\u306f\u305d\u306e\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027\u306f\u5927\u3044\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%81%A9%E3%81%86%E3%82%84%E3%81%A3%E3%81%A6%E4%BA%92%E6%8F%9B%E6%80%A7%E3%82%92%E4%BF%9D%E3%81%A3%E3%81%A6%E3%81%84%E3%82%8B%E3%81%AE%E3%81%8B\"><\/span>\u3069\u3046\u3084\u3063\u3066\u4e92\u63db\u6027\u3092\u4fdd\u3063\u3066\u3044\u308b\u306e\u304b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>password_hash()\u95a2\u6570\u304c\u8fd4\u3059\u5909\u63db\u5f8c\u306e\u6587\u5b57\u5217\u306f\u3001\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u69d8\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre>$2y$10$vjrTmLpZIMYAvEbalTg00uMyJs8W8Ij4maSGwvBlveyn6XXT6rSZO\n<\/pre>\n<p>\u6587\u5b57\u5217\u306e\u5148\u982d\u306b\u300c$2y$10$\u300d\u3068\u3044\u3046\u3044\u304b\u306b\u3082\u610f\u5473\u304c\u3042\u308a\u305d\u3046\u306a\u3082\u306e\u304c\u4ed8\u3044\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306b\u3053\u308c\u306b\u306f\u610f\u5473\u304c\u3042\u3063\u3066\u3001<\/p>\n<pre>$\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u8868\u3059\u6587\u5b57\u5217$\u30b3\u30b9\u30c8$\n<\/pre>\n<p>\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4f8b\u306e\u5834\u5408\u306e\u300c2y\u300d\u306fBlowfish\u3092\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u4f7f\u7528\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u7d9a\u304f\u300c$10$\u300d\u306e10\u306fBlowfish\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u4f7f\u7528\u3055\u308c\u308b\u300c\u30b3\u30b9\u30c8\u300d\u3092\u610f\u5473\u3057\u3066\u3044\u3066\u53cd\u5fa9\u56de\u6570\u306e\u8a08\u7b97\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306bpassword_hash()\u304c\u51fa\u529b\u3059\u308b\u6587\u5b57\u5217\u306b\u306f\u3001<\/p>\n<ul>\n<li>\u3069\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7528\u3044\u3066<\/li>\n<li>\u4f55\u56de\u53cd\u5fa9\u3057\u3066\u8a08\u7b97\u3057\u3066<\/li>\n<li>\u30bd\u30eb\u30c8\u306b\u306f\u3069\u3046\u3044\u3046\u6587\u5b57\u5217\u3092\u7528\u3044\u305f\u304b(\u5f8c\u8ff0)<\/li>\n<\/ul>\n<p>\u304c\u3059\u3079\u3066\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305f\u3068\u3048\u6a19\u6e96\u3068\u306a\u308b\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5909\u66f4\u306b\u306a\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u4ee5\u524d\u306b\u4fdd\u5b58\u3055\u308c\u305f\u3082\u306e\u3092\u6b63\u3057\u304f\u6271\u3046\u3053\u3068\u304c\u53ef\u80fd\u306a\u306e\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u51fa\u529b\u3055\u308c\u308b\u6587\u5b57\u5217\u3092\u5358\u306b\u6bd4\u8f03\u3059\u308b\u5f93\u6765\u306e\u65b9\u6cd5\u3067\u306f\u30c0\u30e1\u3067\u3001\u3069\u3093\u306a\u72b6\u614b\u3067\u4fdd\u5b58\u3055\u308c\u305f\u306e\u304b\u3092\u52a0\u5473\u3057\u306a\u304c\u3089\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c password_verify() \u95a2\u6570\u304c\u751f\u307e\u308c\u305f\u7406\u7531\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%BD%E3%83%AB%E3%83%88%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>\u30bd\u30eb\u30c8\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3069\u306e\u3088\u3046\u306a\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7528\u3044\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u3042\u308b\u6587\u5b57\u306e\u5165\u529b\u304b\u3089\u51fa\u529b\u3055\u308c\u308b\u5024\u306f\u5e38\u306b\u540c\u3058\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u3067\u3042\u308d\u3046\u4e00\u822c\u7684\u306a\u5358\u8a9e\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3001\u3044\u308f\u3086\u308b\u300c\u8f9e\u66f8\u653b\u6483\u300d\u3067\u4f7f\u7528\u3055\u308c\u308b\u6587\u5b57\u5217\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u3001\u3042\u3089\u304b\u3058\u3081\u8a08\u7b97\u3057\u3066\u7528\u610f\u3057\u3066\u304a\u304f\u624b\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u306f\u6307\u5b9a\u3057\u305f\u9577\u3055\u306e\u6587\u5b57\u5217\u306e\u7d44\u307f\u5408\u308f\u305b\u3059\u3079\u3066\u3092\u8a08\u7b97\u3057\u3066\u4fdd\u6301\u3057\u3066\u304a\u304f\u30ec\u30a4\u30f3\u30dc\u30fc\u30c6\u30fc\u30d6\u30eb\u3068\u3044\u3046\u624b\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u4f55\u3089\u304b\u306e\u539f\u56e0\u3067\u3001DB\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u6f0f\u6d29\u3057\u305f\u5834\u5408\u306b\u3001\u30ec\u30a4\u30f3\u30dc\u30fc\u30c6\u30fc\u30d6\u30eb\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u6587\u5b57\u5217\u3092\u5272\u308a\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30cf\u30c3\u30b7\u30e5\u3092\u6c42\u3081\u308b\u5834\u5408\u306f\u3001\u5143\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u610f\u5473\u306e\u306a\u3044\u6587\u5b57\u5217\u3092\u8ffd\u52a0\u3057\u3066\u304b\u3089\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u4e00\u822c\u306b\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8ffd\u52a0\u3059\u308b\u6587\u5b57\u5217\u306e\u3053\u3068\u3092\u300c\u30bd\u30eb\u30c8\u300d\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<p>\u30bd\u30eb\u30c8\u306f\u4e71\u96d1\u306a\u6587\u5b57\u5217\u306a\u306e\u3067\u3001\u305d\u308c\u3092\u8ffd\u52a0\u3057\u305f\u6587\u5b57\u5217\u5168\u4f53\u306b\u5bfe\u3057\u3066\u306f\u8f9e\u66f8\u653b\u6483\u306f\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u30bd\u30eb\u30c8\u3092\u5341\u5206\u306a\u9577\u3055\u306b\u3059\u308c\u3070\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u6587\u5b57\u5217\u304c\u77ed\u304f\u3066\u3082\u30ec\u30a4\u30f3\u30dc\u30fc\u30c6\u30fc\u30d6\u30eb\u306e\u5bfe\u8c61\u306b\u306f\u306a\u308a\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>password_hash() \u95a2\u6570\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u81ea\u5206\u3067\u7528\u610f\u3057\u305f\u30bd\u30eb\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u304c\u3001\u73fe\u5728\u3067\u306f\u975e\u63a8\u5968\u3067 password_hash() \u95a2\u6570\u304c\u5185\u90e8\u3067\u81ea\u52d5\u751f\u6210\u3059\u308b\u30bd\u30eb\u30c8\u3092\u4f7f\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057 password_hash() \u306e\u5024\u304c\u6f0f\u6d29\u3057\u305f\u5834\u5408\u3001\u30cf\u30c3\u30b7\u30e5\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30bd\u30eb\u30c8\u306f\u6f0f\u6d29\u8005\u306b\u5206\u304b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001\u7dcf\u5f53\u308a\u653b\u6483\u3092\u3059\u308b\u306b\u306f\u30bc\u30ed\u304b\u3089\u8a08\u7b97\u3092\u3084\u308a\u76f4\u3055\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u306e\u3067\u3001\u51fa\u6765\u5408\u3044\u306e\u30ec\u30a4\u30f3\u30dc\u30fc\u30c6\u30fc\u30d6\u30eb\u306f\u5f79\u306b\u7acb\u305f\u306a\u3044\u70b9\u306f\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%81%8A%E3%82%8F%E3%82%8A%E3%81%AB\"><\/span>\u304a\u308f\u308a\u306b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30e6\u30fc\u30b6\u304c\u5165\u529b\u3059\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u3069\u306e\u3088\u3046\u306b\u4fdd\u5b58\u3059\u308b\u304b\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u308b\u4e0a\u3067\u306e\u53e4\u304f\u304b\u3089\u306e\u8ab2\u984c\u3067\u3057\u305f\u3002\u30cf\u30c3\u30b7\u30e5\u3092\u7528\u3044\u308b\u3068\u3044\u3046\u624b\u6cd5\u306f\u4e00\u822c\u306b\u5e83\u307e\u3063\u3066\u304d\u3066\u3044\u308b\u3088\u3046\u306b\u601d\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u3092\u7528\u3044\u308b\u3068\u3044\u3046\u8996\u70b9\u304c\u3053\u308c\u304b\u3089\u306f\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e16\u754c\u6700\u9ad8\u901f\u30af\u30e9\u30b9\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u300cKUSANAGI\u300d\u306f\u3001WordPress\u5c02\u7528\u3067\u306f\u306a\u304f\u4e00\u822c\u7684\u306aPHP\u74b0\u5883\u3092\u9ad8\u901f\u5316\u3067\u304d\u307e\u3059\u3002PHP\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u958b\u767a\u8005\u306e\u65b9\u3005\u306e\u9078\u629e\u80a2\u3068\u3057\u3066\u3054\u8003\u616e\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u753b\u50cf\u53c2\u7167URL\uff1a<a href=\"https:\/\/www.flickr.com\/photos\/143601516@N03\/29723649810\/\">https:\/\/www.flickr.com\/photos\/143601516@N03\/29723649810\/<\/a><\/p>\n<p>\u4f5c\u8005\uff1a<a class=\"owner-name truncate\" title=\"Go to Blogtrepreneur's photostream\" href=\"https:\/\/www.flickr.com\/photos\/143601516@N03\/\" data-track=\"attributionNameClick\" data-rapid_p=\"57\">Blogtrepreneur<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u56de\u3088\u308a\u3053\u3053\u3067\u9023\u8f09\u3092\u3055\u305b\u3066\u3044\u305f\u3060\u304f\u3053\u3068\u306b\u306a\u3063\u305f\u5c0f\u5c71 (koyhoge)\u3067\u3059\u3002\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3057\u3066\u304a\u308a\u307e\u3057\u3066\u3001\u4ed6\u306b\u30cb\u30d5\u30c6\u30a3\u30af\u30e9\u30a6\u30c9  ... <a title=\"\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068password_hash()\" class=\"read-more\" href=\"https:\/\/kusanagi.tokyo\/column\/archives\/column_1014\" aria-label=\"\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068password_hash() \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">Read more<\/a><\/p>\n","protected":false},"author":8,"featured_media":1049,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[],"tags":[107],"series":[],"journey":[],"product":[],"class_list":["post-1014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-security","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5b89\u5168\u306a\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068password_hash() - KUSANAGI Tech Column<\/title>\n<meta name=\"description\" content=\"PHP 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