openssl-sha256.cpp revision ed6697871be690c5826c252d598ea9965c2816b4
/* $Id$ */
/** @file
* IPRT - SHA-256 hash functions.
*/
/*
* Copyright (C) 2009-2010 Oracle Corporation
*
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "internal/iprt.h"
#include <openssl/sha.h>
#define RT_SHA256_PRIVATE_CONTEXT
#include <iprt/sha.h>
#include <iprt/assert.h>
AssertCompile(RT_SIZEOFMEMB(RTSHA256CONTEXT, abPadding) >= RT_SIZEOFMEMB(RTSHA256CONTEXT, Private));
RTDECL(void) RTSha256(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA256_HASH_SIZE])
{
RTSHA256CONTEXT Ctx;
RTSha256Init(&Ctx);
RTSha256Update(&Ctx, pvBuf, cbBuf);
RTSha256Final(&Ctx, pabDigest);
}
RT_EXPORT_SYMBOL(RTSha256);
RTDECL(void) RTSha256Init(PRTSHA256CONTEXT pCtx)
{
SHA256_Init(&pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha256Init);
RTDECL(void) RTSha256Update(PRTSHA256CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
{
SHA256_Update(&pCtx->Private, pvBuf, cbBuf);
}
RT_EXPORT_SYMBOL(RTSha256Update);
RTDECL(void) RTSha256Final(PRTSHA256CONTEXT pCtx, uint8_t pabDigest[32])
{
SHA256_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha256Final);