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/* $Id: pkix-signature-builtin.cpp $ */
/** @file
* IPRT - Crypto - Public Key Signature Schemas, Built-in providers.
*/
/*
* Copyright (C) 2006-2020 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 <iprt/crypto/pkix.h>
#include <iprt/errcore.h>
#include <iprt/string.h>
#ifdef IPRT_WITH_OPENSSL
# include "internal/iprt-openssl.h"
# include <openssl/evp.h>
#endif
#include "pkix-signature-builtin.h"
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
/**
* Array of built in message digest vtables.
*/
static PCRTCRPKIXSIGNATUREDESC const g_apPkixSignatureDescriptors[] =
{
&g_rtCrPkixSigningHashWithRsaDesc,
};
PCRTCRPKIXSIGNATUREDESC RTCrPkixSignatureFindByObjIdString(const char *pszObjId, void **ppvOpaque)
{
if (ppvOpaque)
*ppvOpaque = NULL;
/*
* Primary OIDs.
*/
uint32_t i = RT_ELEMENTS(g_apPkixSignatureDescriptors);
while (i-- > 0)
if (strcmp(g_apPkixSignatureDescriptors[i]->pszObjId, pszObjId) == 0)
return g_apPkixSignatureDescriptors[i];
/*
* Alias OIDs.
*/
i = RT_ELEMENTS(g_apPkixSignatureDescriptors);
while (i-- > 0)
{
const char * const *ppszAliases = g_apPkixSignatureDescriptors[i]->papszObjIdAliases;
if (ppszAliases)
for (; *ppszAliases; ppszAliases++)
if (strcmp(*ppszAliases, pszObjId) == 0)
return g_apPkixSignatureDescriptors[i];
}
#if 0//def IPRT_WITH_OPENSSL
/*
* Try EVP and see if it knows the algorithm.
*/
if (ppvOpaque)
{
rtCrOpenSslInit();
int iAlgoNid = OBJ_txt2nid(pszObjId);
if (iAlgoNid != NID_undef)
{
const char *pszAlogSn = OBJ_nid2sn(iAlgoNid);
const EVP_MD *pEvpMdType = EVP_get_digestbyname(pszAlogSn);
if (pEvpMdType)
{
/*
* Return the OpenSSL provider descriptor and the EVP_MD address.
*/
Assert(pEvpMdType->md_size);
*ppvOpaque = (void *)pEvpMdType;
return &g_rtCrPkixSignatureOpenSslDesc;
}
}
}
#endif
return NULL;
}
PCRTCRPKIXSIGNATUREDESC RTCrPkixSignatureFindByObjId(PCRTASN1OBJID pObjId, void **ppvOpaque)
{
return RTCrPkixSignatureFindByObjIdString(pObjId->szObjId, ppvOpaque);
}
RTDECL(int) RTCrPkixSignatureCreateByObjIdString(PRTCRPKIXSIGNATURE phSignature, const char *pszObjId,
RTCRKEY hKey, PCRTASN1DYNTYPE pParams, bool fSigning)
{
void *pvOpaque;
PCRTCRPKIXSIGNATUREDESC pDesc = RTCrPkixSignatureFindByObjIdString(pszObjId, &pvOpaque);
if (pDesc)
return RTCrPkixSignatureCreate(phSignature, pDesc, pvOpaque, fSigning, hKey, pParams);
return VERR_NOT_FOUND;
}
RTDECL(int) RTCrPkixSignatureCreateByObjId(PRTCRPKIXSIGNATURE phSignature, PCRTASN1OBJID pObjId,
RTCRKEY hKey, PCRTASN1DYNTYPE pParams, bool fSigning)
{
void *pvOpaque;
PCRTCRPKIXSIGNATUREDESC pDesc = RTCrPkixSignatureFindByObjId(pObjId, &pvOpaque);
if (pDesc)
return RTCrPkixSignatureCreate(phSignature, pDesc, pvOpaque, fSigning, hKey, pParams);
return VERR_NOT_FOUND;
}
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