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/*
Miranda IM: the free IM client for Microsoft* Windows*
Copyright 2000-2010 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef M_CRYPTO_H__
#define M_CRYPTO_H__ 1
#include <m_core.h>
typedef struct tagCRYPTOENGINE
{
DWORD dwVersion;
// get/set the instance key
void (__cdecl *pfnGetKey)(const BYTE *pKey, size_t cbKeyLen);
BOOL (__cdecl *pfnSetKey)(const BYTE **pKey, size_t *cbKeyLen);
void(__cdecl *pfnGenerateKey)(void); // creates a new key inside
void(__cdecl *pfnPurgeKey)(void); // purges a key from memory
// sets the master password (in utf-8)
void(__cdecl *pfnSetPassword)(const char *pszPassword);
BYTE* (__cdecl *pfnEncodeString)( const char *src, size_t *cbResultLen);
BYTE* (__cdecl *pfnEncodeStringW)(const WCHAR* src, size_t *cbResultLen);
char* (__cdecl *pfnDecodeString)(const BYTE *pBuf, size_t bufLen, size_t *cbResultLen);
WCHAR* (__cdecl *pfnDecodeStringW)(const BYTE *pBuf, size_t bufLen, size_t *cbResultLen);
}
CRYPTO_ENGINE;
//registers a crypto provider v0.94+
//wParam = (int)hLangpack
//lParam = (CRYPTO_PROVIDER*)
//returns HANDLE on success or NULL on failure
typedef CRYPTO_ENGINE* (__cdecl *pfnCryptoProviderFactory)(void);
#define CPF_UNICODE 1
#if defined(_UNICODE)
#define CPF_TCHAR CPF_UNICODE
#else
#define CPF_TCHAR 0
#endif
typedef struct tagCRYPTOPROVIDER
{
DWORD dwSize;
DWORD dwFlags; // one of CPF_* constants
char *pszName; // unique id
union {
char *pszDescr; // description
TCHAR *ptszDescr; // auto translated by core
WCHAR *pwszDescr;
};
pfnCryptoProviderFactory pFactory;
}
CRYPTO_PROVIDER;
#define MS_CRYPTO_REGISTER_ENGINE "SRCrypto/RegisterEngine"
__forceinline HANDLE Crypto_RegisterEngine(CRYPTO_PROVIDER *pProvider)
{
extern int hLangpack;
return (HANDLE)CallService(MS_CRYPTO_REGISTER_ENGINE, hLangpack, (LPARAM)pProvider);
}
#endif // M_CRYPTO_H__
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