INNER CODE UNIT · C#

finalBlockLength

sdrapkin/SecurityDriven.Inferno · EtM_CBC.cs:31

			int finalBlockLength = plaintext.Count - (plaintext.Count & (-Cipher.AesConstants.AES_BLOCK_SIZE));
			int paddingLength = AES_IV_LENGTH - finalBlockLength;
			return CONTEXT_BUFFER_LENGTH + plaintext.Count + paddingLength + MAC_LENGTH;
		}

		static void ValidateAes(Aes aes) // detect & fix any Mode/Padding deviation
		{
			if (aes.Mode == CipherMode.CBC && aes.Padding == PaddingMode.PKCS7) return;
			aes.Mode = CipherMode.CBC;
			aes.Padding = PaddingMode.PKCS7;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		static void ClearKeyMaterial()
		{
			Array.Clear(_encKey.Value, 0, ENC_KEY_LENGTH);
			Array.Clear(_macKey.Value, 0, MAC_KEY_LENGTH);
			Array.Clear(_sessionKey.Value, 0, HMAC_LENGTH);

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