RSA加密 解密 加签 验签

/** * 注：区分RSA私钥的类型，有pkcs1和pkcs8。pkcs8格式的私钥主要用于Java中  pkcs1格式：-----BEGIN RSA PRIVATE KEY----------END RSA PRIVATE KEY------ pkcs8格式：-----BEGIN PRIVATE KEY----------END PRIVATE KEY----- */

1. 将 wx_rsa.js文件copy到自己想放置的目录下，并在需要用到的js文件中引用 如：

var RSA = require('../../utils/wx_rsa.js')//获取应用实例var app = getApp()var Sig = ""var encStr =""

2. 在对应的触发事件下进行相应的操作：

var privateKey = '-----BEGIN RSA PRIVATE KEY-----MIICXgIBAAKBgQCoChRDJ6e7BTE5yYBIS + NGYBpDs7ftEematqhvMmOFcJng7qjJk + yJ1j7DCqbCD2f / BI6gTfGXASiYuO6kklZu8Pkw4HAUkaaGyhaC8Z + TMg79PPRz5hziEdFXPTdXvXudiXbI2Wi6D90ZaSwN6ZHs7Mtc5VgGK3jxS35iLm+ oAQIDAQABAoGBAI + nHi9SxUdSZwS5yBsGFSNioNFj4Eag243RvShicUXwPvxVyqGY / cvQBhODFZAsz4Dpimxsda3b5bK51fmGyK / nXraHRunWcG7cDDB0EnRpGh4LvMI5Tny + kV0v07N0kkYF+ Lig88IjyBXMAY8m97QK / Huf6MsDFo7B6maSvlmBAkEA35GXk6achryGAoUyyLSro7bI9A9 + wXWFdXoqu1 / X1sZ8taGy7saB + XEA6EQ + XHRp7rZkQ5StoBL +reDGvLJLWQJBAMBqW / F + qg1VpmV / EfYTSS0 + jliw / Ik4kKHLuD / bYK61FG80JIoxLbelB / 1ZVZ8WR0cUKgrmoo8HOggjocNTNOkCQQCYibK86CHGAF0C3TSgIj01r2H+u4 / FmVScqeT8AVG31aeDGbeHGOPXeJWg4 + cUl80rNUDFp2yrWipwInwWhSPJAkAf+ 02u9Ru0vbC7nARTP19hWs10Jm7DLBi2G9NTIdaPE2ADH8qXAZeUt6R9UrTtjVlpkgtu5mjMlynpImsHuTPJAkEAoU10QspqfxL4F44KdHjHY1btc8wb4soaLy / eAY8PLE + jpNh8jsqA8v1EqLQbYz50D / BpkJsT5W + wydTvtEE3sA ==-----END RSA PRIVATE KEY-----'var publicKey = '-----BEGIN PUBLIC KEY-----MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoChRDJ6e7BTE5yYBIS + NGYBpDs7ftEematqhvMmOFcJng7qjJk + yJ1j7DCqbCD2f / BI6gTfGXASiYuO6kklZu8Pkw4HAUkaaGyhaC8Z+ TMg79PPRz5hziEdFXPTdXvXudiXbI2Wi6D90ZaSwN6ZHs7Mtc5VgGK3jxS35iLm+ oAQIDAQAB-----END PUBLIC KEY-----'

加密：

 jiami: function () {    var input_rsa = this.data.input;    var encrypt_rsa = new RSA.RSAKey();    encrypt_rsa = RSA.KEYUTIL.getKey(publicKey);    console.log('加密RSA:')    console.log(encrypt_rsa)    encStr = encrypt_rsa.encrypt(input_rsa)    encStr = RSA.hex2b64(encStr);    console.log("加密结果：" + encStr)    this.setData({      output: encStr    })  },

解密：

jiemi: function () {    var decrypt_rsa = new RSA.RSAKey();    decrypt_rsa = RSA.KEYUTIL.getKey(privateKey);    console.log('解密RSA:')    console.log(decrypt_rsa)    console.log(encStr+"00--00")    if (encStr.length =0){      wx.showToast({        title: '请先加密',        icon: 'loading',        duration: 1000      })    }else{            encStr = RSA.b64tohex(encStr);      console.log(encStr + "001--100")      var decStr = decrypt_rsa.decrypt(encStr)      console.log("解密结果：" + decStr)      this.setData({        output: decStr      })    }     },

加签：

jiaqian: function () {    console.log('加签RSA1:')    var sign_rsa = new RSA.RSAKey();    sign_rsa = RSA.KEYUTIL.getKey(privateKey);    console.log('加签RSA:')    console.log(sign_rsa)    var hashAlg = 'sha1';    Sig = sign_rsa.signString("signData", hashAlg);    Sig = RSA.hex2b64(Sig); // hex 转 b64    console.log("加签结果：" + Sig)    this.setData({      output: Sig    })  },

验签：

 yanqian: function () {    var verify_rsa = new RSA.RSAKey();    verify_rsa = RSA.KEYUTIL.getKey(publicKey);    console.log('验签RSA:')    console.log(verify_rsa)    if (Sig == ""){      wx.showToast({        title: '请先验签',        icon: 'loading',        duration: 1000      })    }else{      Sig = RSA.b64tohex(Sig)      var ver = verify_rsa.verifyString("signData", Sig)      console.log('验签结果：' + ver)      this.setData({        output: ver      })    }    },