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/* $Id: openssl-sha512.cpp $ */
/** @file
* IPRT - SHA-512 hash functions.
*/
/*
* Copyright (C) 2009-2019 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_SHA512_PRIVATE_CONTEXT
#include <iprt/sha.h>
#include <iprt/assert.h>
#include <iprt/string.h>
AssertCompile(RT_SIZEOFMEMB(RTSHA512CONTEXT, abPadding) >= RT_SIZEOFMEMB(RTSHA512CONTEXT, Private));
RTDECL(void) RTSha512(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA512_HASH_SIZE])
{
RTSHA512CONTEXT Ctx;
RTSha512Init(&Ctx);
RTSha512Update(&Ctx, pvBuf, cbBuf);
RTSha512Final(&Ctx, pabDigest);
}
RT_EXPORT_SYMBOL(RTSha512);
RTDECL(bool) RTSha512Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA512_HASH_SIZE])
{
RTSHA512CONTEXT Ctx;
RTSha512Init(&Ctx);
RTSha512Update(&Ctx, pvBuf, cbBuf);
uint8_t abActualDigest[RTSHA512_HASH_SIZE];
RTSha512Final(&Ctx, abActualDigest);
bool fRet = memcmp(pabDigest, abActualDigest, RTSHA512_HASH_SIZE) == 0;
RT_ZERO(abActualDigest);
return fRet;
}
RT_EXPORT_SYMBOL(RTSha512Check);
RTDECL(void) RTSha512Init(PRTSHA512CONTEXT pCtx)
{
SHA512_Init(&pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha512Init);
RTDECL(void) RTSha512Update(PRTSHA512CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
{
SHA512_Update(&pCtx->Private, pvBuf, cbBuf);
}
RT_EXPORT_SYMBOL(RTSha512Update);
RTDECL(void) RTSha512Final(PRTSHA512CONTEXT pCtx, uint8_t pabDigest[32])
{
SHA512_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha512Final);
/*
* We have to expose the same API as alt-sha512.cpp, so the SHA-384,
* SHA-512/224 and SHA-512/256 implementations also live here. (They are all
* just truncted SHA-512 with different initial values.)
*/
RTDECL(void) RTSha384(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA384_HASH_SIZE])
{
RTSHA384CONTEXT Ctx;
RTSha384Init(&Ctx);
RTSha384Update(&Ctx, pvBuf, cbBuf);
RTSha384Final(&Ctx, pabDigest);
}
RT_EXPORT_SYMBOL(RTSha384);
RTDECL(bool) RTSha384Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA384_HASH_SIZE])
{
RTSHA384CONTEXT Ctx;
RTSha384Init(&Ctx);
RTSha384Update(&Ctx, pvBuf, cbBuf);
uint8_t abActualDigest[RTSHA384_HASH_SIZE];
RTSha384Final(&Ctx, abActualDigest);
bool fRet = memcmp(pabDigest, abActualDigest, RTSHA384_HASH_SIZE) == 0;
RT_ZERO(abActualDigest);
return fRet;
}
RT_EXPORT_SYMBOL(RTSha384Check);
RTDECL(void) RTSha384Init(PRTSHA384CONTEXT pCtx)
{
SHA384_Init(&pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha384Init);
RTDECL(void) RTSha384Update(PRTSHA384CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
{
SHA384_Update(&pCtx->Private, pvBuf, cbBuf);
}
RT_EXPORT_SYMBOL(RTSha384Update);
RTDECL(void) RTSha384Final(PRTSHA384CONTEXT pCtx, uint8_t pabDigest[32])
{
SHA384_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha384Final);
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