public int kirk_CMD7(byte *outbuff, byte *inbuff, int size)
{
if (!is_kirk_initialized)
{
return(KIRK_NOT_INITIALIZED);
}
KIRK_AES128CBC_HEADER *header = (KIRK_AES128CBC_HEADER *)inbuff;
if (header->Mode != KIRK_MODE_DECRYPT_CBC)
{
return(KIRK_INVALID_MODE);
}
if (header->Datasize == 0)
{
return(KIRK_DATA_SIZE_ZERO);
}
byte *key = kirk_4_7_get_key(header->KeySeed);
if (key == (byte *)KIRK_INVALID_SIZE)
{
return(KIRK_INVALID_SIZE);
}
//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);
return(KIRK_OPERATION_SUCCESS);
}
/// <summary>
///
/// </summary>
/// <param name="outbuff"></param>
/// <param name="inbuff"></param>
/// <param name="size"></param>
/// <returns></returns>
public void kirk_CMD4(byte *outbuff, byte *inbuff, int size)
{
check_initialized();
KIRK_AES128CBC_HEADER *header = (KIRK_AES128CBC_HEADER *)inbuff;
if (header->Mode != KirkMode.EncryptCbc)
{
throw (new KirkException(ResultEnum.PSP_KIRK_INVALID_MODE));
}
if (header->Datasize == 0)
{
throw (new KirkException(ResultEnum.PSP_KIRK_DATA_SIZE_IS_ZERO));
}
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_encrypt(&aesKey, inbuff + sizeof(KIRK_AES128CBC_HEADER), outbuff, size);
});
}
