非对称解密出错

Question

在前端(使用vue-cli生成的项目)做了一个非对称加密的测试，引入的是node.js自带的crypto模块

// crypto.js
export const encrypt = (data, key, algorithm) => {
  const algo = algorithm || 'aes192';
  const cipher = crypto.createCipher(algo, key);
  var crypted = cipher.update(data, 'utf8', 'hex');
  // 通过 final 方法输出加密串
  crypted += cipher.final('hex');
  return crypted;
}
export const decrypt = (encrypted, key, algorithm) => {
  const algo = algorithm || 'aes192';
  const decipher = crypto.createDecipher(algo, key);
  var decrypted = decipher.update(encrypted, 'hex', 'utf8');
  decrypted += decipher.final('utf8');
  return decrypted;
}

import {encrypt, decrypt} from '../common/js/crypto.js'

const sec_key = `
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
`

const pub_key = `
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFWnl8fChyKI/Tgo1ILB+IlGr8
ZECKnnO8XRDwttBbf5EmG0qV8gs0aGkh649rb75I+tMu2JSNuVj61CncL/7Ct2kA
Z6CZZo1vYgtzhlFnxd4V7Ra+aIwLZaXT/h3eE+/cFsL4VAJI5wXh4Mq4Vtu7uEje
ogAOgXACaIqiFyrk3wIDAQAB
-----END PUBLIC KEY-----
`

export default {
  name: 'test',
  data () {
    return {
      text: 'Hello, this is a secret message!'
    }
  },
  computed: {
    textRSA () {
      return encrypt(this.text, pub_key);
    },
    textRSAde () {
      return decrypt(this.textRSA, sec_key);
    }
  }
}

结果报错了Error: unable to decrypt data，
公钥私钥是使用如下命令行生成的：

genrsa -out rsa_private_key.pem 1024
rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem

求教怎么实现非对称的解密？

Answer 1

AES是对称加密，楼主算法选错了。