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sas-crypto

v0.1.1

Published

Data encryption package

Downloads

7

Readme

sas-crypto

npm version Build Status Coverage Status

非对称与对称加密结合使用的加密工具。

特点

sas-crypto加密工具是对传统非对称加密算法(RSA)的一种优化。由于传统非对称加密算法会导致很高的资源消耗,且对要加密数据的长度也有一定的限制。

因此,sas-crypto将加密环节分为两个部分:1,数据部分采用AES对称加密方式,提高加密效率;2,对对称加密的秘钥进行非对称加密。通过这种方式,即保证了效率,又能不失非对称加密的安全性。并且对称加密的秘钥会随机产生。

Quick start

  • 私钥加密,公钥解密:
import SAS from 'sas-crypto';

const encryptedData = new SAS().key(privateKey, 'private').encrypt('hello');

const decryptedData = new SAS().key(publickey, 'public').decrypt(encryptedData);
console.log(decryptedData);
// output: hello
  • 公钥加密,私钥解密:
import SAS from 'sas-crypto';

const encryptedData = new SAS().key(publickey, 'public').encrypt('hello');

const decryptedData = new SAS().key(privateKey, 'private').decrypt(encryptedData);
console.log(decryptedData);
// output: hello

注意:

  • key方法,第二个参数默认为'private'
  • privateKey/publicKey,可以为string|Buffer