System.Security.Cryptography.AesManaged.GenerateIV C# (CSharp) Метод

        public override void GenerateIV() => _impl.GenerateIV();
        public override void GenerateKey() => _impl.GenerateKey();

        public static byte[] Encrypt(byte[] input)
        {
            if (_key == null || _key.Length == 0) throw new Exception("Key can not be empty.");
            if (input == null || input.Length == 0) throw new ArgumentException("Input can not be empty.");

            byte[] data = input, encdata = new byte[0];

            try
            {
                using (var ms = new MemoryStream())
                {
                    using (var rd = new AesManaged { Key = _key })
                    {
                        rd.GenerateIV();

                        using (var cs = new CryptoStream(ms, rd.CreateEncryptor(), CryptoStreamMode.Write))
                        {
                            ms.Write(rd.IV, 0, rd.IV.Length); // write first 16 bytes IV, followed by encrypted message
                            cs.Write(data, 0, data.Length);
                        }
                    }

                    encdata = ms.ToArray();
                }
            }
            catch
            {
            }
            return encdata;
        }