1.微信小程式登入擷取使用者的openid資訊
需要使用AES-128-CBC解密處理
///
/// ASE加解密
///
public class AESHelper
{
///
/// 秘鑰
///
public static string AesKey;
///
/// 16位初始向量
///
public static string AesIV;
///
/// AES解密
///
///
///
///
///
public static string AESDecrypt(string text)
{
try
{
//16進制資料轉換成byte
byte[] encryptedData = Convert.FromBase64String(text); // strToToHexByte(text);
RijndaelManaged rijndaelCipher = new RijndaelManaged();
rijndaelCipher.Key = Convert.FromBase64String(AesKey); // Encoding.UTF8.GetBytes(AesKey);
rijndaelCipher.IV = Convert.FromBase64String(AesIV);// Encoding.UTF8.GetBytes(AesIV);
rijndaelCipher.Mode = CipherMode.CBC;
rijndaelCipher.Padding = PaddingMode.PKCS7;
ICryptoTransform transform = rijndaelCipher.CreateDecryptor();
byte[] plainText = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length);
string result = Encoding.Default.GetString(plainText);
return result;
}
catch (Exception ex)
{
throw ex;
}
}
}
測試代碼：
[csharp] view plain copy
AESHelper.AesIV = "r7BXXKkLb8qrSNn05n0qiA==";
AESHelper.AesKey = "tiihtNczf5v6AKRyjwEUhQ==";
string text =
"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==";
string s = AESHelper.AESDecrypt(text);
Console.WriteLine(s);
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