md5.h revision 78cbab32dbc1ff1bb306f46e347c68adaf19b35e
/** @file
* IPRT - Message-Digest algorithm 5.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
#ifndef ___iprt_md5_h
#define ___iprt_md5_h
#include <iprt/types.h>
/** @defgroup grp_rt_md5 RTMd5 - Message-Digest algorithm 5
* @ingroup grp_rt
* @{
*/
/** Size of a MD5 hash. */
#define RTMD5HASHSIZE 16
/**
* MD5 hash algorithm context.
*/
typedef struct RTMD5CONTEXT
{
uint32_t buf[4];
uint32_t bits[2];
uint32_t in[16];
} RTMD5CONTEXT;
/** Pointer to MD5 hash algorithm context. */
typedef RTMD5CONTEXT *PRTMD5CONTEXT;
RT_BEGIN_DECLS
/**
* Initialize MD5 context.
*
* @param pCtx Pointer to the MD5 context to initialize.
*/
RTDECL(void) RTMd5Init(PRTMD5CONTEXT pCtx);
/**
* Feed data into the MD5 computation.
*
* @param pCtx Pointer to the MD5 context.
* @param pvBuf Pointer to data.
* @param cbBuf Length of data (in bytes).
*/
RTDECL(void) RTMd5Update(PRTMD5CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
/**
* Compute the MD5 hash of the data.
*
* @param pabDigest Where to store the hash.
* (What's passed is a pointer to the caller's buffer.)
* @param pCtx Pointer to the MD5 context.
*/
RTDECL(void) RTMd5Final(uint8_t pabDigest[RTMD5HASHSIZE], PRTMD5CONTEXT pCtx);
RT_END_DECLS
/** @} */
#endif /* !__iprt_md5_h__ */