{"id":6330,"date":"2025-05-28T13:55:35","date_gmt":"2025-06-04T06:40:34","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6330"},"modified":"2025-06-04T13:55:35","modified_gmt":"2025-06-04T06:40:34","slug":"%e4%ba%86%e8%a7%a3node-js%e4%b8%adcrypto%e6%a8%a1%e5%9d%97%e7%9a%84%e5%8a%a0%e5%af%86%e8%88%87%e8%a7%a3%e5%af%86","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e4%ba%86%e8%a7%a3node-js%e4%b8%adcrypto%e6%a8%a1%e5%9d%97%e7%9a%84%e5%8a%a0%e5%af%86%e8%88%87%e8%a7%a3%e5%af%86\/","title":{"rendered":"\u638c\u63e1 Node.js \u4e2d\u7684 Crypto \u6a21\u7d44\uff1a2025 \u6700\u65b0\u52a0\u5bc6\u8207\u89e3\u5bc6\u6559\u5b78"},"content":{"rendered":"

<\/p>\n

\u5982\u4f55\u5728 Node.js \u4e2d\u4f7f\u7528 ‘crypto’ \u6a21\u7d44\u9032\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\uff1f<\/h1>\n

Node.js \u662f\u4e00\u500b\u5ee3\u53d7\u6b61\u8fce\u7684 JavaScript \u74b0\u5883\uff0c\u5b83\u53ef\u4ee5\u7528\u65bc\u958b\u767c\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\uff0c\u5305\u62ec\u7db2\u7ad9\u548c\u4f3a\u670d\u5668\u61c9\u7528\u7a0b\u5f0f\u3002Node.js \u4e5f\u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u52a0\u5bc6\u6a21\u7d44\uff0c\u7a31\u70ba crypto\uff0c\u53ef\u4ee5\u7528\u65bc\u52a0\u5bc6\u548c\u89e3\u5bc6\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 crypto \u6a21\u7d44\u5728 Node.js \u4e2d\u9032\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u3001\u932f\u8aa4\u6392\u9664\u53ca\u5ef6\u4f38\u61c9\u7528\u3002<\/p>\n

\u5b89\u88dd crypto \u6a21\u7d44<\/h2>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88dd crypto \u6a21\u7d44\uff0c\u9019\u500b\u6a21\u7d44\u662f Node.js \u7684\u5167\u5efa\u6a21\u7d44\uff0c\u7121\u9700\u984d\u5916\u5b89\u88dd\uff0c\u53ea\u9700\u78ba\u4fdd\u60a8\u7684 Node.js \u7248\u672c\u70ba v10.0.0 \u4ee5\u4e0a\u5373\u53ef\u4f7f\u7528\u3002<\/p>\n

\u4f7f\u7528 crypto \u6a21\u7d44<\/h2>\n

\u4e00\u65e6\u78ba\u5b9a Node.js \u7248\u672c\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u4f7f\u7528 crypto \u6a21\u7d44\u4e86\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u5c0e\u5165 crypto \u6a21\u7d44\uff1a<\/p>\n

const crypto = require('crypto');\n<\/code><\/pre>\n
\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 crypto \u6a21\u7d44\u4f86\u52a0\u5bc6\u548c\u89e3\u5bc6\u6578\u64da\u3002<\/p>\n
\u52a0\u5bc6\u6578\u64da<\/h2>\n
\u8981\u52a0\u5bc6\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 crypto \u6a21\u7d44\u4e2d\u7684 `createCipheriv()` \u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u4e09\u500b\u53c3\u6578\uff1a\u52a0\u5bc6\u7b97\u6cd5\u3001\u5bc6\u9470\u548c\u521d\u59cb\u5316\u5411\u91cf\uff08IV\uff09\u3002<\/p>\n
\nconst algorithm = 'aes-256-cbc';\nconst key = crypto.randomBytes(32); \/\/ 32 bytes for AES-256\nconst iv = crypto.randomBytes(16);   \/\/ 16 bytes for AES block size\n\nlet cipher = crypto.createCipheriv(algorithm, key, iv);\nlet encrypted = cipher.update('some clear text data', 'utf8', 'hex');\nencrypted += cipher.final('hex');\nconsole.log('Encrypted:', encrypted);\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 aes-256-cbc \u7b97\u6cd5\u4f86\u52a0\u5bc6\u6578\u64da\uff0c\u4e26\u4f7f\u7528\u96a8\u6a5f\u751f\u6210\u7684 32 \u5b57\u7bc0\u5bc6\u9470\u548c 16 \u5b57\u7bc0\u521d\u59cb\u5316\u5411\u91cf\uff08IV\uff09\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 `createCipheriv()` \u65b9\u6cd5\u5275\u5efa\u4e00\u500b\u52a0\u5bc6\u5668\uff0c\u4e26\u4f7f\u7528 `update()` \u65b9\u6cd5\u5c07\u660e\u6587\u6578\u64da\u52a0\u5bc6\u70ba\u5341\u516d\u9032\u5236\u5b57\u7b26\u4e32\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664<\/h3>\n
\u5982\u679c\u5728\u52a0\u5bc6\u904e\u7a0b\u4e2d\u9047\u5230\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\uff1a
\n– \u78ba\u4fdd\u5bc6\u9470\u548c IV \u7684\u9577\u5ea6\u6b63\u78ba\u3002
\n– \u78ba\u4fdd\u60a8\u4f7f\u7528\u7684\u52a0\u5bc6\u7b97\u6cd5\u662f\u6b63\u78ba\u7684\u4e14\u5df2\u88ab\u652f\u6301\u3002<\/p>\n
\u89e3\u5bc6\u6578\u64da<\/h2>\n
\u8981\u89e3\u5bc6\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 crypto \u6a21\u7d44\u4e2d\u7684 `createDecipheriv()` \u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u4e09\u500b\u53c3\u6578\uff1a\u52a0\u5bc6\u7b97\u6cd5\u3001\u5bc6\u9470\u548c\u521d\u59cb\u5316\u5411\u91cf\uff08IV\uff09\u3002<\/p>\n
\nlet decipher = crypto.createDecipheriv(algorithm, key, iv);\nlet decrypted = decipher.update(encrypted, 'hex', 'utf8');\ndecrypted += decipher.final('utf8');\nconsole.log('Decrypted:', decrypted);\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `createDecipheriv()` \u65b9\u6cd5\u5275\u5efa\u4e00\u500b\u89e3\u5bc6\u5668\uff0c\u4e26\u4f7f\u7528 `update()` \u65b9\u6cd5\u5c07\u52a0\u5bc6\u7684\u5341\u516d\u9032\u5236\u5b57\u7b26\u4e32\u89e3\u5bc6\u70ba\u660e\u6587\u6578\u64da\u3002<\/p>\n
\u5ef6\u4f38\u61c9\u7528<\/h3>\n
\u60a8\u53ef\u4ee5\u5c07\u52a0\u5bc6\u6280\u8853\u61c9\u7528\u65bc\uff1a
\n– \u654f\u611f\u6578\u64da\u7684\u5b58\u5132\uff08\u5982\u5bc6\u78bc\u3001\u4fe1\u7528\u5361\u865f\u78bc\uff09
\n– \u7db2\u7d61\u901a\u4fe1\u7684\u52a0\u5bc6\uff08\u5982 HTTPS\uff09<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 Node.js \u4e2d\u7684 crypto \u6a21\u7d44\u9032\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\u3002\u6211\u5011\u9996\u5148\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 `createCipheriv()` \u548c `createDecipheriv()` \u65b9\u6cd5\u4f86\u52a0\u5bc6\u548c\u89e3\u5bc6\u6578\u64da\u3002\u96a8\u8457\u4fe1\u606f\u5b89\u5168\u9700\u6c42\u7684\u63d0\u9ad8\uff0c\u719f\u6089\u9019\u4e9b\u52a0\u5bc6\u6280\u8853\u5c07\u5c0d\u958b\u767c\u8005\u975e\u5e38\u91cd\u8981\u3002<\/p>\n
\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7684\u52a0\u5bc6\u6280\u8853\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u52a0\u5bc6\u6559\u5b78](https:\/\/vocus.cc\/article\/605c4a7efb8a7a001c4e1e65)\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u60a8\u64f4\u5c55\u5c0d\u52a0\u5bc6\u7684\u7406\u89e3\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
1. Node.js \u4e2d crypto \u6a21\u7d44\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u9ebc\uff1f<\/h3>\n
Node.js \u4e2d\u7684 crypto \u6a21\u7d44\u63d0\u4f9b\u4e86\u52a0\u5bc6\u548c\u89e3\u5bc6\u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u652f\u6301\u591a\u7a2e\u52a0\u5bc6\u7b97\u6cd5\u3002<\/p>\n
2. \u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u52a0\u5bc6\u7b97\u6cd5\uff1f<\/h3>\n
\u9078\u64c7\u52a0\u5bc6\u7b97\u6cd5\u6642\uff0c\u61c9\u8003\u616e\u5b89\u5168\u6027\u8207\u6027\u80fd\uff0cAES\uff08\u7279\u5225\u662f AES-256\uff09\u901a\u5e38\u662f\u63a8\u85a6\u7684\u9078\u64c7\u3002<\/p>\n
3. \u6709\u54ea\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\u6703\u767c\u751f\u5728\u52a0\u5bc6\u904e\u7a0b\u4e2d\uff1f<\/h3>\n
\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\u5bc6\u9470\u6216\u521d\u59cb\u5316\u5411\u91cf\uff08IV\uff09\u7684\u9577\u5ea6\u4e0d\u6b63\u78ba\uff0c\u4ee5\u53ca\u4f7f\u7528\u4e0d\u652f\u6301\u7684\u52a0\u5bc6\u7b97\u6cd5\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981(Description):Node.js\u4e2d\u7684Crypto\u6a21\u5757\u53ef\u4ee5\u63d0\u4f9b\u52a0\u5bc6\u548c\u89e3\u5bc6\u7684\u529f\u80fd\uff0c\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728Node.js\u4e2d\u4f7f\u7528Crypto\u6a21\u5757\u9032\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[193,192],"tags":[191,190],"class_list":["post-6330","post","type-post","status-publish","format-standard","hentry","category-node","category-node-js","tag-node","tag-node-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1E6","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=6330"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6330\/revisions"}],"predecessor-version":[{"id":6331,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6330\/revisions\/6331"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}