/// <summary>
///
/// </summary>
/// <param name="outbuff"></param>
/// <param name="inbuff"></param>
/// <param name="size"></param>
/// <returns></returns>
public void kirk_CMD7(byte *outbuff, byte *inbuff, int size)
{
check_initialized();
var header = (KirkAes128CbcHeader *)inbuff;
if (header->Mode != KirkMode.DecryptCbc)
{
throw (new KirkException(ResultEnum.PspKirkInvalidMode));
}
if (header->Datasize == 0)
{
throw (new KirkException(ResultEnum.PspKirkDataSizeIsZero));
}
#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.AesCtx aesKey;
Crypto.AES_set_key(&aesKey, key, 128);
Crypto.AES_cbc_decrypt(&aesKey, inbuff + sizeof(KirkAes128CbcHeader), outbuff, size);
});
#endif
}
/// <summary>
///
/// </summary>
/// <param name="Key"></param>
/// <param name="Input"></param>
/// <param name="Output"></param>
/// <param name="Size"></param>
static public void DecryptAes(byte[] Key, byte *Input, byte *Output, int Size)
{
var InputArray = PointerUtils.PointerToByteArray(Input, Size);
var OutputArray = DecryptAes(InputArray, Key);
PointerUtils.ByteArrayToPointer(OutputArray, Output);
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <param name="input"></param>
/// <param name="output"></param>
/// <param name="size"></param>
public static void DecryptAes(byte[] key, byte *input, byte *output, int size)
{
var inputArray = PointerUtils.PointerToByteArray(input, size);
var outputArray = DecryptAes(inputArray, key);
PointerUtils.ByteArrayToPointer(outputArray, output);
}
/// <summary>
///
/// </summary>
/// <param name="outbuff"></param>
/// <param name="inbuff"></param>
/// <param name="size"></param>
/// <returns></returns>
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
}