INNER CODE UNIT · C#

finalBlockBuffer

sdrapkin/SecurityDriven.Inferno · EtM_CBC.cs:83

						var finalBlockBuffer = aesEncryptor.TransformFinalBlock(inputBuffer: plaintext.Array, inputOffset: plaintext.Offset + fullBlockLength, inputCount: finalBlockLength);
						Utils.BlockCopy(finalBlockBuffer, 0, output, outputOffset + CONTEXT_BUFFER_LENGTH + fullBlockLength, finalBlockBuffer.Length);
					}// using aesEncryptor
				}// using aes

				using (var hmac = _hmacFactory())
				{
					hmac.Key = macKey;
					hmac.TransformBlock(output, outputOffset + CONTEXT_TWEAK_LENGTH, AES_IV_LENGTH + plaintext.Count + paddingLength, null, 0);
					hmac.TransformFinalBlock(output, 0, 0);
					var fullmac = hmac.HashInner;
					Utils.BlockCopy(fullmac, 0, output, outputOffset + ciphertextLength - MAC_LENGTH, MAC_LENGTH);
				}// using hmac
			}
			finally { EtM_CBC.ClearKeyMaterial(); }
		}// Encrypt()

		public static byte[] Encrypt(byte[] masterKey, ArraySegment<byte> plaintext, ArraySegment<byte>? salt = null, uint counter = 1)

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