var crypto = require('crypto')
function WXBizDataCrypt(appId, sessionKey) {
this.appId = appId
this.sessionKey = sessionKey
}
WXBizDataCrypt.prototype.decryptData = function (encryptedData, iv) {
// base64 decode
var sessionKey = new Buffer(this.sessionKey, 'base64')
encryptedData = new Buffer(encryptedData, 'base64')
iv = new Buffer(iv, 'base64')
try {
// 解密
var decipher = crypto.createDecipheriv('aes-128-cbc', sessionKey, iv)
// 设置自动 padding 为 true，删除填充补位
decipher.setAutoPadding(true)
var decoded = decipher.update(encryptedData, 'binary', 'utf8')
decoded += decipher.final('utf8')
decoded = JSON.parse(decoded)
} catch (err) {
throw new Error('Illegal Buffer')
}
if (decoded.watermark.appid !== this.appId) {
throw new Error('Illegal Buffer')
}
return decoded
}
module.exports = WXBizDataCrypt
var WXBizDataCrypt = require('./WXBizDataCrypt')
var appId = 'wx4f4bc4dec97d474b'
var sessionKey = 'tiihtNczf5v6AKRyjwEUhQ=='
var encryptedData =
'CiyLU1Aw2KjvrjMdj8YKliAjtP4gsMZM'+
'QmRzooG2xrDcvSnxIMXFufNstNGTyaGS'+
'9uT5geRa0W4oTOb1WT7fJlAC+oNPdbB+'+
'3hVbJSRgv+4lGOETKUQz6OYStslQ142d'+
'NCuabNPGBzlooOmB231qMM85d2/fV6Ch'+
'evvXvQP8Hkue1poOFtnEtpyxVLW1zAo6'+
'/1Xx1COxFvrc2d7UL/lmHInNlxuacJXw'+
'u0fjpXfz/YqYzBIBzD6WUfTIF9GRHpOn'+
'/Hz7saL8xz+W//FRAUid1OksQaQx4CMs'+
'8LOddcQhULW4ucetDf96JcR3g0gfRK4P'+
'C7E/r7Z6xNrXd2UIeorGj5Ef7b1pJAYB'+
'6Y5anaHqZ9J6nKEBvB4DnNLIVWSgARns'+
'/8wR2SiRS7MNACwTyrGvt9ts8p12PKFd'+
'lqYTopNHR1Vf7XjfhQlVsAJdNiKdYmYV'+
'oKlaRv85IfVunYzO0IKXsyl7JCUjCpoG'+
'20f0a04COwfneQAGGwd5oa+T8yO5hzuy'+
'Db/XcxxmK01EpqOyuxINew=='
var iv = 'r7BXXKkLb8qrSNn05n0qiA=='
var pc = new WXBizDataCrypt(appId, sessionKey)
var data = pc.decryptData(encryptedData , iv)
console.log('解密后 data: ', data)
// 解密后的数据为
//
// data = {
// "nickName": "Band",
// "gender": 1,
// "language": "zh_CN",
// "city": "Guangzhou",
// "province": "Guangdong",
// "country": "CN",
// "avatarUrl": "http://wx.qlogo.cn/mmopen/vi_32/aSKcBBPpibyKNicHNTMM0qJVh8Kjgiak2AHWr8MHM4WgMEm7GFhsf8OYrySdbvAMvTsw3mo8ibKicsnfN5pRjl1p8HQ/0",
// "unionId": "ocMvos6NjeKLIBqg5Mr9QjxrP1FA",
// "watermark": {
// "timestamp": 1477314187,
// "appid": "wx4f4bc4dec97d474b"
// }
// }
上面是Node版本，能帮忙转成c#版本吗
