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/*****************************************************************
|
| AP4 - HMAC Algorithms
|
| Copyright 2002-2009 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL 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, or (at your option)
| any later version.
|
| Bento4|GPL 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 Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_HMAC_H_
#define _AP4_HMAC_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Results.h"
#include "Ap4Types.h"
#include "Ap4DataBuffer.h"
/*----------------------------------------------------------------------
| AP4_Hmac
+---------------------------------------------------------------------*/
class AP4_Hmac
{
public:
// types
typedef enum
{
SHA256
} Algorithm;
// class methods
static AP4_Result Create(Algorithm algorithm,
const AP4_UI08* key,
AP4_Size key_size,
AP4_Hmac*& hmac);
// methods
virtual ~AP4_Hmac() {}
virtual AP4_Result Update(const AP4_UI08* data, AP4_Size data_size) = 0;
virtual AP4_Result Final(AP4_DataBuffer& mac) = 0;
};
#endif // _AP4_HMAC_H_
|
