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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (C) 2012-13 Miranda NG 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.
*/
#include "commonheaders.h"
CStdCrypt::CStdCrypt() :
m_password("Miranda")
{}
void CStdCrypt::destroy()
{
delete this;
}
size_t CStdCrypt::getKeyLength()
{
return KEYLENGTH;
}
bool CStdCrypt::getKey(BYTE *pKey, size_t cbKeyLen)
{
if (cbKeyLen < KEYLENGTH)
return false;
memcpy(pKey, m_key, sizeof(m_key));
if (cbKeyLen > KEYLENGTH)
memset(pKey + KEYLENGTH, 0, cbKeyLen - KEYLENGTH);
return true;
}
int CStdCrypt::setKey(const BYTE *pKey, size_t cbKeyLen)
{
if (cbKeyLen > KEYLENGTH)
return false;
memcpy(m_key, pKey, cbKeyLen);
if (cbKeyLen < KEYLENGTH)
memset(m_key + cbKeyLen, 0, KEYLENGTH - cbKeyLen);
return 0;
}
void CStdCrypt::generateKey(void)
{
LARGE_INTEGER counter;
QueryPerformanceCounter(&counter);
srand((UINT)counter.QuadPart);
for (int i = 0; i < sizeof(m_key); i++)
m_key[i] = (BYTE)rand();
}
void CStdCrypt::purgeKey(void)
{
memset(m_key, 0, sizeof(m_key));
}
// sets the master password (in utf-8)
void CStdCrypt::setPassword(const char *pszPassword)
{
m_password = pszPassword;
}
// result must be freed using mir_free or assigned to mir_ptr<BYTE>
BYTE* CStdCrypt::encodeString(const char *src, size_t *cbResultLen)
{
return 0;
}
BYTE* CStdCrypt::encodeStringW(const WCHAR* src, size_t *cbResultLen)
{
return 0;
}
char* CStdCrypt::decodeString(const BYTE *pBuf, size_t bufLen, size_t *cbResultLen)
{
return 0;
}
WCHAR* CStdCrypt::decodeStringW(const BYTE *pBuf, size_t bufLen, size_t *cbResultLen)
{
return 0;
}
static MICryptoEngine* __cdecl builder()
{
return new CStdCrypt();
}
int LoadEncryptionModule(void)
{
CRYPTO_PROVIDER cp = { sizeof(cp) };
cp.pszName = "AES (Rjindale)";
cp.pszDescr = LPGEN("Standard crypto provider");
cp.pFactory = builder;
Crypto_RegisterEngine(&cp);
return 0;
}
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