/// <summary>
/// AES加密
/// </summary>
/// <param name="encryptString">需加密的字符串</param>
/// <param name="encryptKey">加密密码</param>
/// <returns>加密后的字符串</returns>
public static string AES_Encrypt(string encryptString, string encryptKey)
{
encryptKey = StringUnitity.GetSubString(encryptKey, 32, "");
encryptKey = encryptKey.PadRight(32, ' ');
RijndaelManaged rijndaelProvider = new RijndaelManaged();
rijndaelProvider.Key = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 32));
rijndaelProvider.IV = Keys;
ICryptoTransform rijndaelEncrypt = rijndaelProvider.CreateEncryptor();
byte[] inputData = Encoding.UTF8.GetBytes(encryptString);
byte[] encryptedData = rijndaelEncrypt.TransformFinalBlock(inputData, 0, inputData.Length);
return(Convert.ToBase64String(encryptedData));
}
/// <summary>
/// AES解密
/// </summary>
/// <param name="decryptString">需要解密的字符串</param>
/// <param name="decryptKey">解密密码</param>
/// <returns>解密后的字符串</returns>
public static string AES_Decrypt(string decryptString, string decryptKey)
{
try
{
decryptKey = StringUnitity.GetSubString(decryptKey, 32, "");
decryptKey = decryptKey.PadRight(32, ' ');
RijndaelManaged rijndaelProvider = new RijndaelManaged();
rijndaelProvider.Key = Encoding.UTF8.GetBytes(decryptKey);
rijndaelProvider.IV = Keys;
ICryptoTransform rijndaelDecrypt = rijndaelProvider.CreateDecryptor();
byte[] inputData = Convert.FromBase64String(decryptString);
byte[] decryptedData = rijndaelDecrypt.TransformFinalBlock(inputData, 0, inputData.Length);
return(Encoding.UTF8.GetString(decryptedData));
}
catch
{
return(string.Empty);
}
}