|
/*
|
|
Copyright (c) 2003, Dominik Reichl <dominik.reichl@t-online.de>
|
|
All rights reserved.
|
|
|
|
LICENSE TERMS
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
* Neither the name of ReichlSoft nor the names of its contributors may be used
|
|
to endorse or promote products derived from this software without specific
|
|
prior written permission.
|
|
|
|
DISCLAIMER
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef ___HMAC_H___
|
|
#define ___HMAC_H___
|
|
|
|
#include "rhcommon.h"
|
|
#include "hashalgo.h"
|
|
|
|
#define HMAC_MAX_BLOCK 256
|
|
|
|
#define HMAC_IPAD 0x36
|
|
#define HMAC_OPAD 0x5C
|
|
|
|
// Only declare when the abstract hash algorithm class has been declared
|
|
|
|
class CHMAC
|
|
{
|
|
public:
|
|
CHMAC();
|
|
~CHMAC();
|
|
|
|
void SetHashAlgorithm(CHashAlgorithm *pHashAlgorithm);
|
|
|
|
void SetKey(UWORD8 *pKey, UINTPREF uKeySize);
|
|
void Init(RH_DATA_INFO *pInfo);
|
|
void Update(const UWORD8 *pBuf, UINTPREF uLen);
|
|
void Final();
|
|
void GetHash(UWORD8 *pHash)
|
|
{
|
|
memcpy(pHash, m_final, m_pAlgo->GetLength());
|
|
}
|
|
|
|
private:
|
|
CHashAlgorithm *m_pAlgo;
|
|
UINTPREF m_lenBlock;
|
|
|
|
UWORD8 m_pKey[HMAC_MAX_BLOCK];
|
|
UINTPREF m_uKeySize;
|
|
|
|
UWORD8 m_final[HMAC_MAX_BLOCK];
|
|
};
|
|
|
|
void FillHMACList(CHMAC **pList, CHashAlgorithm **pAlgorithms);
|
|
|
|
#endif // ___HMAC_H___
|