{"id":11321,"date":"2023-06-07T22:53:23","date_gmt":"2023-06-07T14:53:23","guid":{"rendered":"http:\/\/123.57.164.21\/?p=11321"},"modified":"2023-06-07T22:53:23","modified_gmt":"2023-06-07T14:53:23","slug":"%e5%8a%a0%e5%af%86%e7%ae%97%e6%b3%95bcrypt%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=11321","title":{"rendered":"\u52a0\u5bc6\u7b97\u6cd5bcrypt\u7684\u4f7f\u7528"},"content":{"rendered":"\n<p><strong>\u80cc\u666f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u7528\u6237\u6a21\u5757\uff0c\u5bf9\u4e8e\u7528\u6237\u5bc6\u7801\u7684\u4fdd\u62a4\uff0c\u901a\u5e38\u90fd\u4f1a\u8fdb\u884c\u52a0\u5bc6\u3002\u6211\u4eec\u901a\u5e38\u5bf9\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\uff0c\u7136\u540e\u5b58\u653e\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5728\u7528\u6237\u8fdb\u884c\u767b\u5f55\u7684\u65f6\u5019\uff0c\u5c06\u5176\u8f93\u5165\u7684\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\u7136\u540e\u4e0e\u6570\u636e\u5e93\u4e2d\u5b58\u653e\u7684\u5bc6\u6587\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ee5\u9a8c\u8bc1\u7528\u6237\u5bc6\u7801\u662f\u5426\u6b63\u786e\u3002 \u76ee\u524d\uff0cMD5\u548cBCrypt\u6bd4\u8f83\u6d41\u884c\u3002\u76f8\u5bf9\u6765\u8bf4\uff0cBCrypt\u6bd4MD5\u66f4\u5b89\u5168\u3002\u56e0\u4e3a\u5176\u5185\u90e8\u5f15\u5165\u7684\u52a0\u76d0\u673a\u5236<br>bcrypt\u662f\u4e00\u79cd\u52a0\u76d0\u7684\u52a0\u5bc6\u65b9\u6cd5\uff0c\u6bcf\u6b21\u52a0\u5bc6\u7684\u65f6\u5019\u4f1a\u5148\u751f\u6210\u4e00\u4e2a\u968f\u673a\u6570\uff0c\u4e4b\u540e\u5c06\u8fd9\u4e2a\u968f\u673a\u6570\u4e0e\u5bc6\u7801\u8fdb\u884chash\uff0c\u5f62\u6210\u5bc6\u6587\u3002<\/p>\n\n\n\n<p>BCrypt \u5b98\u7f51http:\/\/www.mindrot.org\/projects\/jBCrypt\/<\/p>\n\n\n\n<p><strong>bcrypt hash \u5b57\u7b26\u4e32\u7ed3\u6784<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4e00\u4e2a bcrypt hash \u5b57\u7b26\u4e32\u5e94\u8be5\u50cf\u4e0b\u9762\u8fd9\u6837(\u6458\u81ea Wikipedia)\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/image-31-1024x90.png\" alt=\"\" class=\"wp-image-11322\" width=\"555\" height=\"48\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-1024x90.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-300x26.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-768x67.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-830x73.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-230x20.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-350x31.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31-480x42.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-31.png 1144w\" sizes=\"(max-width: 555px) 100vw, 555px\" \/><\/figure><\/div>\n\n\n\n<p><br>\u4e3e\u4e2a\u6817\u5b50\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/image-32-1024x146.png\" alt=\"\" class=\"wp-image-11323\" width=\"560\" height=\"79\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-1024x146.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-300x43.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-768x110.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-830x118.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-230x33.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-350x50.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32-480x68.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/image-32.png 1360w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/figure><\/div>\n\n\n\n<p><code>2a<\/code>: \u7b97\u6cd5\u7684\u6807\u8bc6\u7b26\uff0c\u4ee3\u8868\u662f bcrypt \u7684\u7248\u672c\uff0c\u6709 2a\u30012y\u30012b \u4e09\u4e2a\u7248\u672c\u3002<\/p>\n\n\n\n<p><code>10<\/code>: \u6210\u672c\u56e0\u5b50\uff1a\u4ee3\u8868\u8f6e\u8be2\u52a0\u5bc6 2^10 = 1024 \u6b21\u3002<\/p>\n\n\n\n<p><code>N9qo8uLOickgx2ZMRZoMye<\/code>: 16-byte (128-bit) \u7684 salt, \u7528 Radix-64 \u7f16\u7801\u6210\u4e3a 22 \u4e2a\u5b57\u7b26\u3002<\/p>\n\n\n\n<p><code>IjZAgcfl7p92ldGxad68LJZdL17lhWy<\/code>: 24-byte (192-bit) \u7684 hash, \u7528 Radix-64 \u7f16\u7801\u6210\u4e3a 31 \u4e2a\u5b57\u7b26\u3002<\/p>\n\n\n\n<p><strong>\u7279\u70b9<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>bcrypt \u6709\u4e09\u4e2a\u7279\u70b9:<\/p>\n\n\n\n<p>&#8211; \u6bcf\u4e00\u6b21 Hash \u51fa\u6765\u7684\u503c\u4e0d\u4e00\u6837\u3002<br>&#8211; \u8ba1\u7b97\u975e\u5e38\u7f13\u6162\u3002<br>&#8211; \u6bcf\u6b21\u7684 salt \u662f\u968f\u673a\u7684\u751f\u6210\u7684\uff0c\u4e0d\u7528\u62c5\u5fc3 salt \u4f1a\u6cc4\u9732\u3002<\/p>\n\n\n\n<p>\u00a0bcrypt \u5bf9\u540c\u4e00\u4e2a\u5bc6\u7801\u6bcf\u6b21\u52a0\u5bc6\u65f6\u4f7f\u7528\u7684 salt \u662f\u4e0d\u4e00\u6837\u7684\uff0c \u56e0\u6b64\u6bcf\u6b21\u751f\u6210\u7684 Hash \u4e5f\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u4f46\u662f Hash \u4e2d\u5305\u542b\u4e86 salt\uff0c\u5728\u4e0b\u6b21\u6821\u9a8c\u65f6\uff0c\u4ece Hash \u4e2d\u53d6\u51fa salt\uff0csalt \u8ddfpassword \u8fdb\u884c Hash \u5f97\u5230\u5bc6\u6587\u3002\u5bc6\u6587\u548c\u4fdd\u5b58\u5728 DB \u4e2d\u7684 Hash \u662f\u540c\u6837\u7684\u539f\u6587\u548c salt \u52a0\u5bc6\u51fa\u6765\u7684\uff0c\u6240\u4ee5\u5fc5\u5b9a\u662f\u76f8\u540c\u7684\u5b57\u7b26\u4e32\u3002bcrypt \u7b97\u6cd5\u5c06 salt \u968f\u673a\u5e76\u6df7\u5165\u6700\u7ec8\u52a0\u5bc6\u540e\u7684\u5bc6\u7801\uff0c\u9a8c\u8bc1\u65f6\u4e5f\u65e0\u9700\u5355\u72ec\u63d0\u4f9b\u4e4b\u524d\u7684 salt\u3002<\/p>\n\n\n\n<p><strong>bcrypt\u4e0eMD5\u7684\u533a\u522b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>MD5\u52a0\u5bc6\u7b97\u6cd5\u540c\u4e00\u4e2a\u5bc6\u7801\u52a0\u5bc6\u540e\u7684\u5bc6\u6587\u662f\u4e00\u6837\u7684\uff0c\u8fd9\u6837\u5f88\u5bb9\u6613\u88ab\u7834\u89e3\uff1bbcrypt\u52a0\u5bc6\u7b97\u6cd5\u540c\u4e00\u4e2a\u5bc6\u7801\u52a0\u5bc6\u4e4b\u540e\u7684\u5bc6\u6587\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u76f8\u5bf9\u6765\u8bf4\u66f4\u52a0\u5b89\u5168\u4e00\u4e9b\u3002<\/p>\n\n\n\n<p><strong>bcrypt\u4f7f\u7528<\/strong>\uff08nodejs\uff09<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5bfc\u5165bcrypt\nconst bcrypt = require('bcrypt')\nasync function run() {\n    \/\/ \u751f\u6210\u968f\u673a\u5b57\u7b26\u4e32\n    \/\/ genSalt\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u6570\u503c\u4f5c\u4e3a\u53c2\u6570 \u6570\u503c\u8d8a\u5927 \u751f\u6210\u7684\u968f\u673a\u5b57\u7b26\u4e32\u590d\u6742\u5ea6\u8d8a\u9ad8 \u6570\u503c\u8d8a\u5c0f \u590d\u6742\u5ea6\u8d8a\u4f4e\n    \/\/ \u9ed8\u8ba4\u503c\u662f10 \n    \/\/ \u8fd4\u56de\u751f\u6210\u7684\u968f\u673a\u5b57\u7b26\u4e32\n    const salt = await bcrypt.genSalt(10)\n    console.log(salt);\n\n    \/\/ \u5bf9\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\n    \/\/ \u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\uff1a\u8981\u8fdb\u884c\u52a0\u5bc6\u7684\u660e\u6587\n    \/\/ \u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\uff1a\u968f\u673a\u5b57\u7b26\u4e32\n    \/\/ \u8fd4\u56de\u503c\u662f\u52a0\u5bc6\u540e\u7684\u5bc6\u7801\n    const result = await bcrypt.hash('123456', salt)   \n    console.log(result);\n}\n<\/pre>\n\n\n\n<p>\u7b2c\u4e00\u6b21\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$2b$10$dNjP0okhVYb5EiGG2TWBuu\n$2b$10$dNjP0okhVYb5EiGG2TWBuu3HrYxrgG7sPOuxZeBsx7rcUHwBFz.zW<\/pre>\n\n\n\n<p>\u7b2c\u4e8c\u6b21\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$2b$10$8E6E3OFbZ0JCz7inZ2TZ7u\n$2b$10$8E6E3OFbZ0JCz7inZ2TZ7uZ21NDmyU.VeRfh\/fJKrRIr55vE2qXLe<\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u51fa\uff0c\u540c\u6837\u7684\u660e\u6587\u7ecf\u8fc7\u52a0\u5bc6\u540e\u7684\u751f\u6210\u7684\u5bc6\u6587\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u589e\u52a0\u4e86\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u5bc6\u7801\u7684\u6bd4\u5bf9<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5c06\u5ba2\u6237\u7aef\u4f20\u8fc7\u6765\u7684\u5bc6\u7801\u548c\u6570\u636e\u5e93\u4e2d\u7684\u5bc6\u7801\u6bd4\u8f83 true \u6bd4\u5bf9\u6210\u529f false \u6bd4\u5bf9\u5931\u8d25\n\/\/ password \u660e\u6587\u5bc6\u7801  user.password \u52a0\u5bc6\u5bc6\u7801(\u6570\u636e\u5e93\u4e2d\u7684\u5bc6\u7801)\nlet isValid = await bcrypt.compare(password, user.password)<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f \u5728\u7528\u6237\u6a21\u5757\uff0c\u5bf9\u4e8e\u7528\u6237\u5bc6\u7801\u7684\u4fdd\u62a4\uff0c\u901a\u5e38\u90fd\u4f1a\u8fdb\u884c\u52a0\u5bc6\u3002\u6211\u4eec\u901a\u5e38\u5bf9\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\uff0c\u7136\u540e\u5b58\u653e\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5728\u7528\u6237\u8fdb\u884c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/11321"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11321"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/11321\/revisions"}],"predecessor-version":[{"id":11325,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/11321\/revisions\/11325"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}