微信小程序 wx.getUserInfo 解密 C# 代码

花了6小时，弄出来的代码。网上的是PHP代码

 

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public static string DecodeUserInfo(string raw, string signature,string encryptedData, string iv)        {                           byte[] iv2 = Convert.FromBase64String(iv);              if (string.IsNullOrEmpty(encryptedData)) return "";            Byte[] toEncryptArray = Convert.FromBase64String(encryptedData);              System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged            {                Key = Convert.FromBase64String(session_key),                IV = iv2,                Mode = System.Security.Cryptography.CipherMode.CBC,                Padding = System.Security.Cryptography.PaddingMode.PKCS7            };              System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateDecryptor();            Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);              return Encoding.UTF8.GetString(resultArray);            }