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@pubinfo-pr/module-crypto

v0.238.1

Published

Pubinfo 的请求加密模块。它在应用启动时向后端拉取加密开关与公钥配置,并通过 Pubinfo 的 HTTP hooks 在请求发送前加密、响应返回后解密。

Readme

@pubinfo/module-crypto

Pubinfo 的请求加密模块。它在应用启动时向后端拉取加密开关与公钥配置,并通过 Pubinfo 的 HTTP hooks 在请求发送前加密、响应返回后解密。

它在做什么

  • 提供 crypto() 模块注册函数
  • 启动时请求后端获取:
    • publicKey
    • cryptoEnabled
    • cryptoMode
    • cryptoWhitePath
  • http:request 阶段按规则加密请求
  • http:response 阶段按规则解密响应
  • 提供多种加密算法装配函数

基本用法

import { crypto, setupAes } from '@pubinfo/module-crypto';

export function setupCrypto() {
  return crypto({
    request: auth,
    cryptoSetting: setupAes(),
  });
}

主要导出

  • crypto
  • cryptoContext
  • setupAes
  • setupSm4Cbc
  • setupSm4Ecb

工作方式

  • 模块以 enforce: 'pre' 注册,尽量早地挂上 HTTP 钩子
  • 请求侧会跳过带 X-Crypyto-Key 的请求,以及命中白名单或关闭加密的场景
  • 响应侧默认不处理 blob 下载响应
  • 实际使用哪种算法,由业务传入的 cryptoSetting 决定

适用场景

  • 需要前后端协商公钥的敏感接口
  • 需要 AES / SM4 请求加密的政企类项目
  • 已经基于 pubinfo 请求体系开发,希望统一在模块层接入加密逻辑的项目