Bento4 MP4 SDK: Ap4Hmac.h Source File

Bento4 MP4 SDK

previous page next page
Ap4Hmac.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - HMAC Algorithms
00004 |
00005 |    Copyright 2002-2009 Axiomatic Systems, LLC
00006 |
00007 |
00008 |    This file is part of Bento4/AP4 (MP4 Atom Processing Library).
00009 |
00010 |    Unless you have obtained Bento4 under a difference license,
00011 |    this version of Bento4 is Bento4|GPL.
00012 |    Bento4|GPL is free software; you can redistribute it and/or modify
00013 |    it under the terms of the GNU General Public License as published by
00014 |    the Free Software Foundation; either version 2, or (at your option)
00015 |    any later version.
00016 |
00017 |    Bento4|GPL is distributed in the hope that it will be useful,
00018 |    but WITHOUT ANY WARRANTY; without even the implied warranty of
00019 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020 |    GNU General Public License for more details.
00021 |
00022 |    You should have received a copy of the GNU General Public License
00023 |    along with Bento4|GPL; see the file COPYING.  If not, write to the
00024 |    Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
00025 |    02111-1307, USA.
00026 |
00027 ****************************************************************/
00028 
00029 #ifndef _AP4_HMAC_H_
00030 #define _AP4_HMAC_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Results.h"
00036 #include "Ap4Types.h"
00037 #include "Ap4DataBuffer.h"
00038 
00039 /*----------------------------------------------------------------------
00040 |   AP4_Hmac
00041 +---------------------------------------------------------------------*/
00042 class AP4_Hmac
00043 {
00044 public:
00045     // types
00046     typedef enum {
00047         SHA256
00048     } Algorithm;
00049     
00050     // class methods
00051     static AP4_Result Create(Algorithm       algorithm, 
00052                              const AP4_UI08* key,
00053                              AP4_Size        key_size,
00054                              AP4_Hmac*&      hmac);
00055     
00056     // methods
00057     virtual ~AP4_Hmac() {}
00058     virtual AP4_Result Update(const AP4_UI08* data, AP4_Size data_size) = 0;
00059     virtual AP4_Result Final(AP4_DataBuffer& mac) = 0;
00060 };
00061 
00062 #endif // _AP4_HMAC_H_
Generated on Thu May 13 16:36:32 2010 for Bento4 MP4 SDK by
1.6.3
previous page start next page