CSPspEmu.Core.Crypto.Kirk.KirkSha1 C# (CSharp) Method

        public void KirkSha1(byte* OutputBuffer, byte* InputBuffer, int InputSize)
        {
            //CheckInitialized();

            var Header = (KIRK_SHA1_HEADER*)InputBuffer;
            if (InputSize == 0 || Header->DataSize == 0)
            {
                throw(new KirkException(ResultEnum.PSP_KIRK_DATA_SIZE_IS_ZERO));
            }

            //Size <<= 4;
            //Size >>= 4;
            InputSize &= 0x0FFFFFFF;
            InputSize = (InputSize < Header->DataSize) ? InputSize : Header->DataSize;

            var Sha1Hash = Sha1(
                PointerUtils.PointerToByteArray(InputBuffer + 4, InputSize)
            );

            PointerUtils.Memcpy(OutputBuffer, Sha1Hash, Sha1Hash.Length);
        }

		public void TestSha1()
		{
			var Kirk = new Kirk();
			Kirk.kirk_init();

			var Input = new byte[] {
				// Size
				0x20, 0x00, 0x00, 0x00,
				// Data
				0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
				0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			};

			var ExpectedOutput = new byte[]
			{
				0xDE, 0x8A, 0x84, 0x7B, 0xFF, 0x8C, 0x34, 0x3D, 0x69, 0xB8, 0x53, 0xA2,
				0x15, 0xE6, 0xEE, 0x77, 0x5E, 0xF2, 0xEF, 0x96
			};

			var Output = new byte[0x14];

			Assert.AreEqual(0x24, Input.Length);

			fixed (byte* OutputPtr = Output)
			fixed (byte* InputPtr = Input)
			{
				Kirk.KirkSha1(OutputPtr, InputPtr, Input.Length);
			}

			CollectionAssert.AreEqual(ExpectedOutput, Output);
			//Console.WriteLine(BitConverter.ToString(Hash));
		}