C# AES解密（替换以下Java AES解密）

[手在键盘敲很轻]

这是Java AES解密方法
public static String decrypt(String cipherText, String aeskey) {
        byte[] keyBytes = BASE64.decode(aeskey + "="); 
        byte[] original;
        try {
            // 设置解密模式为AES的CBC模式
            Cipher cipher = Cipher.getInstance(AES_CBC_NO_PADDING);
            // AES密钥长度为16字节 （128位）
            SecretKeySpec keySpec = new SecretKeySpec(keyBytes, 0, 16, AES);
            IvParameterSpec iv = new IvParameterSpec(keyBytes, keyBytes.length-16, 16);
            cipher.init(Cipher.DECRYPT_MODE, keySpec, iv);
            // 使用BASE64对密文进行解码
            byte[] encrypted = BASE64.decode(cipherText);
            // 解密
            original = cipher.doFinal(encrypted);
            // 去除补位字符
            byte[] bytes = pkcs7unpadding(original);
            
            return new String(bytes, CHARSET);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

[冰川711]

        public static string decrypt(string cipherText, string aeskey)
        {
            var toEncryptArray = Convert.FromBase64String(cipherText);
            var rm = new System.Security.Cryptography.RijndaelManaged
            {
                Key = Convert.FromBase64String(aeskey),
                Mode = System.Security.Cryptography.CipherMode.CBC,
                Padding = System.Security.Cryptography.PaddingMode.PKCS7
            };
            var cTransform = rm.CreateDecryptor();
            var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
            return Encoding.UTF8.GetString(resultArray);
        }

[冰川711]

Key = Convert.FromBase64String(aeskey+"=")

[stherix]

byte[] keyBytes = Convert.FromBase64String(aeskey + "="); 
var key = keyBytes.Take(16).ToArray();
var iv = keyBytes.Skip(16).Take(16).ToArray();
var cipher = new RijndaelManaged
{
    Key = key,
    Mode = CipherMode.CBC,
    Padding = PaddingMode.PKCS7,
    IV = iv
};
var decryptor = cipher.CreateDecryptor();
byte[] data = Convert.FromBase64String(cipherText);
byte[] result = decryptor.TransformFinalBlock(data , 0, data.Length);
return Encoding.UTF8.GetString(result );