Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
/*******************************************************************************
**
** Contents:
**
** This file provides the public interface to the Steam service. This
** interface is described in the SDK documentation.
**
******************************************************************************/
#ifndef INCLUDED_VALIDATENEWVALVECDKEYCLIENT_H
#define INCLUDED_VALIDATENEWVALVECDKEYCLIENT_H
#if defined(_MSC_VER) && (_MSC_VER > 1000)
#pragma once
#endif
#ifndef INCLUDED_STEAM_COMMON_STEAMCOMMON_H
#include "steamcommon.h"
#endif
#ifdef __cplusplus
extern "C"
{
#endif
// Note: this function expects the CDkey to contain dashes to split it into groups of 5 characters.
//
// e.g. 5WV2E-CDL82-89AQ4-ZZKH8-L27IB (note: this example is not a valid key)
//
ESteamError SteamWeakVerifyNewValveCDKey
(
const char * pszCDKeyFormattedForCDLabel,
uint * pReceiveGameCode,
uint * pReceiveSalesTerritoryCode,
uint * pReceiveUniqueSerialNumber
);
// This returns data ready to send to the validation server.
// If you want to store a CDKey in the registry, consider passing the
// output of this function through one of the functions below,
// to make life harder for registry-harvesting trojans.
//
// This also does a WeakVerify.
ESteamError SteamGetEncryptedNewValveCDKey
(
const char * pszCDKeyFormattedForCDLabel,
unsigned int ClientLocalIPAddr,
const void * pEncryptionKeyReceivedFromAppServer,
unsigned int uEncryptionKeyLength,
void * pOutputBuffer,
unsigned int uSizeOfOutputBuffer,
unsigned int * pReceiveSizeOfEncryptedNewValveCDKey
);
// This pair of functions encrypt and decrypt data using a key based on unique
// properties of this machine. The resulting encrypted data can only be (easily)
// decrypted on the same machine. Note: it is NOT impossible to decrypt the data
// elsewhere, just inconvenient.
ESteamError SteamEncryptDataForThisMachine
(
const char * pDataToEncrypt,
unsigned int uSizeOfDataToEncrypt,
void * pOutputBuffer,
unsigned int uSizeOfOutputBuffer,
unsigned int * pReceiveSizeOfEncryptedData
);
ESteamError SteamDecryptDataForThisMachine
(
const char * pDataToDecrypt,
unsigned int uSizeOfDataToDecrypt,
void * pOutputBuffer,
unsigned int uSizeOfOutputBuffer,
unsigned int * pReceiveSizeOfDecryptedData
);
#ifdef __cplusplus
}
#endif
#endif /* #ifndef INCLUDED_STEAM_COMMON_STEAMCOMMON_H */