CSPspEmu.Core.Crypto.Kirk.kirk_CMD7 C# (CSharp) Method

        public void kirk_CMD7(byte* outbuff, byte* inbuff, int size)
        {
            check_initialized();

            var Header = (KIRK_AES128CBC_HEADER*)inbuff;
            if (Header->Mode != KirkMode.DecryptCbc)
            {
                throw (new KirkException(ResultEnum.PSP_KIRK_INVALID_MODE));
            }
            if (Header->Datasize == 0)
            {
                throw (new KirkException(ResultEnum.PSP_KIRK_DATA_SIZE_IS_ZERO));
            }

            #if USE_DOTNET_CRYPTO
            var Output = DecryptAes(
                PointerUtils.PointerToByteArray(inbuff + sizeof(KIRK_AES128CBC_HEADER), size),
                _kirk_4_7_get_key(Header->KeySeed)
            );

            PointerUtils.ByteArrayToPointer(Output, outbuff);
            #else
            kirk_4_7_get_key(Header->KeySeed, (key) =>
            {
                //Set the key
                Crypto.AES_ctx aesKey;
                Crypto.AES_set_key(&aesKey, key, 128);

                Crypto.AES_cbc_decrypt(&aesKey, inbuff + sizeof(KIRK_AES128CBC_HEADER), outbuff, size);
            });
            #endif
        }

        public void TestCmd7()
        {
            var Kirk = new Kirk();
            Kirk.kirk_init();

            var _src = new byte[0x20 + 0x14];
            var _dst = new byte[0x20];

            var ExpectedOutput = new byte[]
            {
                0xE4, 0x8B, 0x57, 0x4C, 0x6E, 0xAF, 0x62, 0x51, 0x5C, 0x44, 0x52, 0x1D,
                0xBA, 0x7D, 0xD4, 0x32, 0xE4, 0x8B, 0x57, 0x4C, 0x6E, 0xAF, 0x62, 0x51,
                0x5C, 0x44, 0x52, 0x1D, 0xBA, 0x7D, 0xD4, 0x32
            };

            fixed (byte* src = _src)
            fixed (byte* dst = _dst)
            {
                *(uint*)(&src[0x00]) = 5; // Mode
                *(uint*)(&src[0x0C]) = 0x03; // KeySeed
                *(uint*)(&src[0x10]) = 1; // DataSize

                Kirk.kirk_CMD7(dst, src, 0x20);

                Console.WriteLine("_src: {0}", BitConverter.ToString(_src));
                Console.WriteLine("_dst: {0}", BitConverter.ToString(_dst));

                CollectionAssert.AreEqual(ExpectedOutput, _dst);
            }
        }