openssl-sha256.cpp revision fc659761c3e27dad0ce26752ed131bd4b7763b3b
b3853439bd3391825aabd571c29eda67bc214168vboxsync/* $Id$ */
b3853439bd3391825aabd571c29eda67bc214168vboxsync/** @file
b3853439bd3391825aabd571c29eda67bc214168vboxsync * IPRT - SHA-256 hash functions.
b3853439bd3391825aabd571c29eda67bc214168vboxsync */
b3853439bd3391825aabd571c29eda67bc214168vboxsync
b3853439bd3391825aabd571c29eda67bc214168vboxsync/*
b3853439bd3391825aabd571c29eda67bc214168vboxsync * Copyright (C) 2009-2010 Oracle Corporation
b3853439bd3391825aabd571c29eda67bc214168vboxsync *
b3853439bd3391825aabd571c29eda67bc214168vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
b3853439bd3391825aabd571c29eda67bc214168vboxsync * available from http://www.virtualbox.org. This file is free software;
b3853439bd3391825aabd571c29eda67bc214168vboxsync * you can redistribute it and/or modify it under the terms of the GNU
b3853439bd3391825aabd571c29eda67bc214168vboxsync * General Public License (GPL) as published by the Free Software
b3853439bd3391825aabd571c29eda67bc214168vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
b3853439bd3391825aabd571c29eda67bc214168vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
b3853439bd3391825aabd571c29eda67bc214168vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
b3853439bd3391825aabd571c29eda67bc214168vboxsync *
b3853439bd3391825aabd571c29eda67bc214168vboxsync * The contents of this file may alternatively be used under the terms
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync * of the Common Development and Distribution License Version 1.0
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync * VirtualBox OSE distribution, in which case the provisions of the
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync * CDDL are applicable instead of those of the GPL.
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync *
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync * You may elect to license modified versions of this file under the
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync * terms and conditions of either the GPL or the CDDL or both.
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync */
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync/*******************************************************************************
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync* Header Files *
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync*******************************************************************************/
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync#include "internal/iprt.h"
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync#include <openssl/sha.h>
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync#define RT_SHA256_PRIVATE_CONTEXT
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync#include <iprt/sha.h>
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync#include <iprt/assert.h>
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsyncAssertCompile(RT_SIZEOFMEMB(RTSHA256CONTEXT, abPadding) >= RT_SIZEOFMEMB(RTSHA256CONTEXT, Private));
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync
2cb85670f7cca352aefaf243382b56390f234dc1vboxsyncRTDECL(void) RTSha256(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA256_HASH_SIZE])
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync{
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync RTSHA256CONTEXT Ctx;
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync RTSha256Init(&Ctx);
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync RTSha256Update(&Ctx, pvBuf, cbBuf);
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync RTSha256Final(&Ctx, pabDigest);
2cb85670f7cca352aefaf243382b56390f234dc1vboxsync}
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);
/*
* We have to expose the same API as alt-sha256.cpp, so the SHA-224
* implementation also lives here. (SHA-224 is just a truncated SHA-256 with
* different initial values.)
*/
RTDECL(void) RTSha224(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA224_HASH_SIZE])
{
RTSHA224CONTEXT Ctx;
RTSha224Init(&Ctx);
RTSha224Update(&Ctx, pvBuf, cbBuf);
RTSha224Final(&Ctx, pabDigest);
}
RT_EXPORT_SYMBOL(RTSha224);
RTDECL(void) RTSha224Init(PRTSHA224CONTEXT pCtx)
{
SHA224_Init(&pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha224Init);
RTDECL(void) RTSha224Update(PRTSHA224CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
{
SHA224_Update(&pCtx->Private, pvBuf, cbBuf);
}
RT_EXPORT_SYMBOL(RTSha224Update);
RTDECL(void) RTSha224Final(PRTSHA224CONTEXT pCtx, uint8_t pabDigest[32])
{
SHA224_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
}
RT_EXPORT_SYMBOL(RTSha224Final);