{"id":555,"date":"2025-03-31T05:25:00","date_gmt":"2025-03-30T20:25:00","guid":{"rendered":"https:\/\/touhyo.com\/blog\/?p=555"},"modified":"2025-04-29T19:00:13","modified_gmt":"2025-04-29T10:00:13","slug":"protect-your-password","status":"publish","type":"post","link":"https:\/\/touhyo.com\/blog\/protect-your-password\/","title":{"rendered":"\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5b88\u308a\u629c\u304f"},"content":{"rendered":"\n<p>Web\u30b5\u30fc\u30d3\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3092\u9032\u3081\u3066\u3044\u304f\u4e0a\u3067\u306f\u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406\u65b9\u6cd5\u300d\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ed5\u69d8\u306b\u3088\u3063\u3066\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5e73\u6587\uff08\u305d\u306e\u307e\u307e\uff09\u4fdd\u5b58\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308c\u3070\u4f0f\u305b\u6587\u5b57\u306b\u3057\u3066\u8868\u9762\u4e0a\u3067\u898b\u3048\u306a\u3044\u3088\u3046\u306b\u5de5\u592b\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u306a\u3069\u8272\u3005\u3042\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u672c\u6765\u3042\u308b\u3079\u304d\u59ff\u306f\u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8907\u96d1\u306b\u6697\u53f7\u5316\u51e6\u7406\u3057\u3066\u4fdd\u5b58\u3059\u308b\u300d\u306e\u304c\u7406\u60f3\u3002<\/p>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306a\u89b3\u70b9\u3067\u8a00\u3048\u3070\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u305f\u5024\u3092\u898b\u3066\u3082\u5165\u529b\u5024\u304c\u308f\u304b\u3089\u306a\u3044\u72b6\u614b\u306b\u3059\u308b\u3053\u3068\u3067\u4e0d\u6b63\u306b\u6f0f\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3082\u300c\u4fdd\u8b77\u300d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3056\u3063\u3068\u6d41\u308c\u3067\u8a00\u3048\u3070\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p><strong>\uff11. \u30d5\u30a9\u30fc\u30e0\u3067\u306e\u5165\u529b\u4e2d\u306f\u4f0f\u305b\u6587\u5b57\u306b\u3059\u308b<br>\uff12. \u30a6\u30a7\u30d6\u306e\u901a\u4fe1\u306fSSL\uff08https\uff09\u3092\u5f37\u5236\u3057\u3066\u304a\u304f<br>\uff13. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4fdd\u5b58\u6642\u306b\u30cf\u30c3\u30b7\u30e5\u5316\u3092\u884c\u3046<\/strong><\/p>\n\n\n\n<p>\u4e0a\u8a18\u306b\u3059\u308c\u3070\u30e6\u30fc\u30b6\u30fc\u304c\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u3044\u308b\u6700\u4e2d\u3082\u305d\u306e\u5f8c\u306e\u9001\u4fe1\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u5f8c\u306e\u901a\u4fe1\u4e2d\u3082\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u308b\u77ac\u9593\u307e\u3067\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u4fdd\u5b58\u3059\u308b\u51e6\u7406\u306f\u4e0b\u8a18\u30ed\u30b8\u30c3\u30af\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#F8F8F2;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><pre class=\"shiki monokai\" style=\"background-color: #272822\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">$hashedPassword <\/span><span style=\"color: #F92672\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #A6E22E\">password_hash<\/span><span style=\"color: #F8F8F2\">($userPassword, PASSWORD_DEFAULT);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u7b2c\u4e8c\u5f15\u6570\u306f\u300cPASSWORD_DEFAULT\u300d\u3068\u66f8\u304f\u3053\u3068\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5fdc\u3058\u3066\u81ea\u52d5\u3067\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u6c7a\u307e\u308b\u306e\u3067\u610f\u5916\u3068\u67d4\u8edf\u306b\u4f7f\u3048\u307e\u3059\u3002\u3059\u3054\u304f\u4fbf\u5229\u3002<\/p>\n\n\n\n<p>\u5229\u7528\u8005\u76ee\u7dda\u3067\u8003\u3048\u308b\u3068\u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u8a2d\u5b9a\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u672c\u4eba\u306b\u3057\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u4ed5\u69d8\u304c\u5b09\u3057\u3044\u3067\u3059\u3088\u306d\u3002\u666e\u6bb5\u4f7f\u3063\u3066\u3044\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u305d\u306e\u307e\u307e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e0a\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3068\u4f7f\u3044\u624b\u3068\u3057\u3066\u300c\u672c\u5f53\u306b\u5927\u4e08\u592b\u304b\u306a\uff1f\u300d\u3068\u5fc3\u914d\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3069\u3053\u307e\u3067\u5b89\u5168\u7b56\u3092\u8b1b\u3058\u308b\u304b\u306f\u4e88\u7b97\u3068\u7d0d\u671f\u306b\u3088\u308a\u307e\u3059\u304c\u5b89\u5168\u306b\u8d8a\u3057\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u6642\u9593\u304c\u8a31\u3055\u308c\u308b\u306a\u304b\u3067\u6700\u5584\u306e\u4ed5\u69d8\u3067\u9032\u3081\u3089\u308c\u308b\u3068\u5b89\u5fc3\u3067\u3059\u3088\u306d\u3002\u305c\u3072\u3054\u53c2\u8003\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web\u30b5\u30fc\u30d3\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3092\u9032\u3081\u3066\u3044\u304f\u4e0a\u3067\u306f\u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406\u65b9\u6cd5\u300d\u304c\u91cd\u8981\u3067\u3059\u3002 \u4ed5\u69d8\u306b\u3088\u3063\u3066\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5e73\u6587\uff08\u305d\u306e\u307e\u307e\uff09\u4fdd\u5b58\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308c\u3070\u4f0f\u305b\u6587\u5b57\u306b\u3057\u3066\u8868\u9762\u4e0a\u3067\u898b\u3048\u306a\u3044\u3088\u3046\u306b\u5de5\u592b\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u306a\u3069\u8272\u3005\u3042\u308a\u307e\u3059\u3088\u306d\u3002 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