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client-crypto

v1.4.0

Published

Javascript Crypto Library for browser

Downloads

114

Readme

client-crypto

Javascript Crypto Library for browser

Install

npm install client-crypto

Usage

流程:

  1. 服务端使用非对称加密RSA生成公钥私钥,并将公钥发送给客户端。
  2. 客户端生成对称加密(这里使用AES)密钥,使用服务端发送的RSA公钥加密该密钥,并将其发送给服务端。
  3. 服务端使用RSA私钥解密,得到该密钥。
    此时,服务端、客户端同时拥有该密钥,使用AES加密解密消息体。

RSA

加密

import Crypto from 'client-crypto';

Crypto.RSA.encrypt('secretKey', 'publicKey');

解密

import Crypto from 'client-crypto';

Crypto.RSA.encrypt('encryptedKey', 'privateKey');

AES

默认使用gcm模式。

createKey 生成密钥

import Crypto from 'client-crypto';

Crypto.AES.createKey();

使用该方法生成密钥后,会缓存该密钥,使用加密(encrypt)或解密(decrypt)方法时也可不提供密钥。

encrypt 加密

import Crypto from 'client-crypto';

Crypto.AES.encrypt(data, '密钥');

该方法会先执行JSON.stringify(data),将数据转为json格式的字符串,然后使用AES加密。

decrypt 解密

import Crypto from 'client-crypto';

Crypto.AES.decrypt('encrypted message', '密钥');

该方法会使用AES解密,再执行JSON.parse,获取数据。

getKey 获取密钥

import Crypto from 'client-crypto';

Crypto.AES.getKey();

setKey 设置密钥

import Crypto from 'client-crypto';

Crypto.AES.setKey('密钥');

clearKey 清除密钥

import Crypto from 'client-crypto';

Crypto.AES.clearKey();

SHA256

import Crypto from 'client-crypto';

Crypto.SHA256('message');

使用说明

前端加解密