/* $Id: digest-builtin.cpp 63867 2016-09-16 13:22:34Z vboxsync $ */ /** @file * IPRT - Crypto - Cryptographic Hash / Message Digest API, Built-in providers. */ /* * Copyright (C) 2006-2016 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 #include #include #include #include #include #include #include #ifdef IPRT_WITH_OPENSSL # include "internal/iprt-openssl.h" # include #endif /* * MD2 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestMd2_Update(void *pvState, const void *pvData, size_t cbData) { RTMd2Update((PRTMD2CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestMd2_Final(void *pvState, uint8_t *pbHash) { RTMd2Final((PRTMD2CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestMd2_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(fReInit); RT_NOREF_PV(pvOpaque); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTMd2Init((PRTMD2CONTEXT)pvState); return VINF_SUCCESS; } /** MD2 alias ODIs. */ static const char * const g_apszMd2Aliases[] = { RTCR_PKCS1_MD2_WITH_RSA_OID, "1.3.14.3.2.24" /* OIW md2WithRSASignature */, NULL }; /** MD2 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestMd2Desc = { "md2", "1.2.840.113549.2.2", g_apszMd2Aliases, RTDIGESTTYPE_MD2, RTMD2_HASH_SIZE, sizeof(RTMD2CONTEXT), 0, NULL, NULL, rtCrDigestMd2_Update, rtCrDigestMd2_Final, rtCrDigestMd2_Init, NULL, NULL, NULL, NULL, }; /* * MD5 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestMd5_Update(void *pvState, const void *pvData, size_t cbData) { RTMd5Update((PRTMD5CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestMd5_Final(void *pvState, uint8_t *pbHash) { RTMd5Final(pbHash, (PRTMD5CONTEXT)pvState); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestMd5_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTMd5Init((PRTMD5CONTEXT)pvState); return VINF_SUCCESS; } /** MD5 alias ODIs. */ static const char * const g_apszMd5Aliases[] = { RTCR_PKCS1_MD5_WITH_RSA_OID, "1.3.14.3.2.25" /* OIW md5WithRSASignature */, NULL }; /** MD5 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestMd5Desc = { "md5", "1.2.840.113549.2.5", g_apszMd5Aliases, RTDIGESTTYPE_MD5, RTMD5_HASH_SIZE, sizeof(RTMD5CONTEXT), 0, NULL, NULL, rtCrDigestMd5_Update, rtCrDigestMd5_Final, rtCrDigestMd5_Init, NULL, NULL, NULL, NULL, }; /* * SHA-1 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha1_Update(void *pvState, const void *pvData, size_t cbData) { RTSha1Update((PRTSHA1CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha1_Final(void *pvState, uint8_t *pbHash) { RTSha1Final((PRTSHA1CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha1_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha1Init((PRTSHA1CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-1 alias ODIs. */ static const char * const g_apszSha1Aliases[] = { RTCR_PKCS1_SHA1_WITH_RSA_OID, "1.3.14.3.2.29" /* OIW sha1WithRSASignature */, NULL }; /** SHA-1 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha1Desc = { "sha-1", "1.3.14.3.2.26", g_apszSha1Aliases, RTDIGESTTYPE_SHA1, RTSHA1_HASH_SIZE, sizeof(RTSHA1CONTEXT), 0, NULL, NULL, rtCrDigestSha1_Update, rtCrDigestSha1_Final, rtCrDigestSha1_Init, NULL, NULL, NULL, NULL, }; /* * SHA-256 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha256_Update(void *pvState, const void *pvData, size_t cbData) { RTSha256Update((PRTSHA256CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha256_Final(void *pvState, uint8_t *pbHash) { RTSha256Final((PRTSHA256CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha256_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha256Init((PRTSHA256CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-256 alias ODIs. */ static const char * const g_apszSha256Aliases[] = { RTCR_PKCS1_SHA256_WITH_RSA_OID, NULL }; /** SHA-256 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha256Desc = { "sha-256", "2.16.840.1.101.3.4.2.1", g_apszSha256Aliases, RTDIGESTTYPE_SHA256, RTSHA256_HASH_SIZE, sizeof(RTSHA256CONTEXT), 0, NULL, NULL, rtCrDigestSha256_Update, rtCrDigestSha256_Final, rtCrDigestSha256_Init, NULL, NULL, NULL, NULL, }; /* * SHA-512 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha512_Update(void *pvState, const void *pvData, size_t cbData) { RTSha512Update((PRTSHA512CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha512_Final(void *pvState, uint8_t *pbHash) { RTSha512Final((PRTSHA512CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha512_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha512Init((PRTSHA512CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-512 alias ODIs. */ static const char * const g_apszSha512Aliases[] = { RTCR_PKCS1_SHA512_WITH_RSA_OID, NULL }; /** SHA-512 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha512Desc = { "sha-512", "2.16.840.1.101.3.4.2.3", g_apszSha512Aliases, RTDIGESTTYPE_SHA512, RTSHA512_HASH_SIZE, sizeof(RTSHA512CONTEXT), 0, NULL, NULL, rtCrDigestSha512_Update, rtCrDigestSha512_Final, rtCrDigestSha512_Init, NULL, NULL, NULL, NULL, }; /* * SHA-224 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha224_Update(void *pvState, const void *pvData, size_t cbData) { RTSha224Update((PRTSHA224CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha224_Final(void *pvState, uint8_t *pbHash) { RTSha224Final((PRTSHA224CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha224_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha224Init((PRTSHA224CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-224 alias ODIs. */ static const char * const g_apszSha224Aliases[] = { RTCR_PKCS1_SHA224_WITH_RSA_OID, NULL }; /** SHA-224 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha224Desc = { "sha-224", "2.16.840.1.101.3.4.2.4", g_apszSha224Aliases, RTDIGESTTYPE_SHA224, RTSHA224_HASH_SIZE, sizeof(RTSHA224CONTEXT), 0, NULL, NULL, rtCrDigestSha224_Update, rtCrDigestSha224_Final, rtCrDigestSha224_Init, NULL, NULL, NULL, NULL, }; /* * SHA-384 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha384_Update(void *pvState, const void *pvData, size_t cbData) { RTSha384Update((PRTSHA384CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha384_Final(void *pvState, uint8_t *pbHash) { RTSha384Final((PRTSHA384CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha384_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha384Init((PRTSHA384CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-384 alias ODIs. */ static const char * const g_apszSha384Aliases[] = { RTCR_PKCS1_SHA384_WITH_RSA_OID, NULL }; /** SHA-384 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha384Desc = { "sha-384", "2.16.840.1.101.3.4.2.2", g_apszSha384Aliases, RTDIGESTTYPE_SHA384, RTSHA384_HASH_SIZE, sizeof(RTSHA384CONTEXT), 0, NULL, NULL, rtCrDigestSha384_Update, rtCrDigestSha384_Final, rtCrDigestSha384_Init, NULL, NULL, NULL, NULL, }; #ifndef IPRT_WITHOUT_SHA512T224 /* * SHA-512/224 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha512t224_Update(void *pvState, const void *pvData, size_t cbData) { RTSha512t224Update((PRTSHA512T224CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha512t224_Final(void *pvState, uint8_t *pbHash) { RTSha512t224Final((PRTSHA512T224CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha512t224_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha512t224Init((PRTSHA512T224CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-512/224 alias ODIs. */ static const char * const g_apszSha512t224Aliases[] = { NULL }; /** SHA-512/224 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha512t224Desc = { "sha-512/224", "2.16.840.1.101.3.4.2.5", g_apszSha512t224Aliases, RTDIGESTTYPE_SHA512T224, RTSHA512T224_HASH_SIZE, sizeof(RTSHA512T224CONTEXT), 0, NULL, NULL, rtCrDigestSha512t224_Update, rtCrDigestSha512t224_Final, rtCrDigestSha512t224_Init, NULL, NULL, NULL, NULL, }; #endif /* !IPRT_WITHOUT_SHA512T224 */ #ifndef IPRT_WITHOUT_SHA512T256 /* * SHA-512/256 */ /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestSha512t256_Update(void *pvState, const void *pvData, size_t cbData) { RTSha512t256Update((PRTSHA512T256CONTEXT)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestSha512t256_Final(void *pvState, uint8_t *pbHash) { RTSha512t256Final((PRTSHA512T256CONTEXT)pvState, pbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestSha512t256_Init(void *pvState, void *pvOpaque, bool fReInit) { RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit); AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER); RTSha512t256Init((PRTSHA512T256CONTEXT)pvState); return VINF_SUCCESS; } /** SHA-512/256 alias ODIs. */ static const char * const g_apszSha512t256Aliases[] = { NULL }; /** SHA-512/256 descriptor. */ static RTCRDIGESTDESC const g_rtCrDigestSha512t256Desc = { "sha-512/256", "2.16.840.1.101.3.4.2.6", g_apszSha512t256Aliases, RTDIGESTTYPE_SHA512T256, RTSHA512T256_HASH_SIZE, sizeof(RTSHA512T256CONTEXT), 0, NULL, NULL, rtCrDigestSha512t256_Update, rtCrDigestSha512t256_Final, rtCrDigestSha512t256_Init, NULL, NULL, NULL, NULL, }; #endif /* !IPRT_WITHOUT_SHA512T256 */ /** * Array of built in message digest vtables. */ static PCRTCRDIGESTDESC const g_apDigestOps[] = { &g_rtCrDigestMd2Desc, &g_rtCrDigestMd5Desc, &g_rtCrDigestSha1Desc, &g_rtCrDigestSha256Desc, &g_rtCrDigestSha512Desc, &g_rtCrDigestSha224Desc, &g_rtCrDigestSha384Desc, #ifndef IPRT_WITHOUT_SHA512T224 &g_rtCrDigestSha512t224Desc, #endif #ifndef IPRT_WITHOUT_SHA512T256 &g_rtCrDigestSha512t256Desc, #endif }; #ifdef IPRT_WITH_OPENSSL /* * OpenSSL EVP. */ # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) /** @impl_interface_method{RTCRDIGESTDESC::pfnNew} */ static DECLCALLBACK(void*) rtCrDigestOsslEvp_New(void) { return EVP_MD_CTX_new(); } static DECLCALLBACK(void) rtCrDigestOsslEvp_Free(void *pvState) { EVP_MD_CTX_free((EVP_MD_CTX*)pvState); } # endif /** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */ static DECLCALLBACK(void) rtCrDigestOsslEvp_Update(void *pvState, const void *pvData, size_t cbData) { EVP_DigestUpdate((EVP_MD_CTX *)pvState, pvData, cbData); } /** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */ static DECLCALLBACK(void) rtCrDigestOsslEvp_Final(void *pvState, uint8_t *pbHash) { unsigned int cbHash = EVP_MAX_MD_SIZE; EVP_DigestFinal((EVP_MD_CTX *)pvState, (unsigned char *)pbHash, &cbHash); } /** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */ static DECLCALLBACK(int) rtCrDigestOsslEvp_Init(void *pvState, void *pvOpaque, bool fReInit) { EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState; EVP_MD const *pEvpType = (EVP_MD const *)pvOpaque; if (fReInit) { pEvpType = EVP_MD_CTX_md(pThis); # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) EVP_MD_CTX_reset(pThis); # else EVP_MD_CTX_cleanup(pThis); # endif } AssertPtrReturn(pEvpType, VERR_INVALID_PARAMETER); # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) Assert(EVP_MD_block_size(pEvpType)); # else Assert(pEvpType->md_size); # endif if (EVP_DigestInit(pThis, pEvpType)) return VINF_SUCCESS; return VERR_CR_DIGEST_OSSL_DIGEST_INIT_ERROR; } /** @impl_interface_method{RTCRDIGESTDESC::pfn} */ static DECLCALLBACK(void) rtCrDigestOsslEvp_Delete(void *pvState) { EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState; # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) EVP_MD_CTX_reset(pThis); # else EVP_MD_CTX_cleanup(pThis); # endif } /** @impl_interface_method{RTCRDIGESTDESC::pfnClone} */ static DECLCALLBACK(int) rtCrDigestOsslEvp_Clone(void *pvState, void const *pvSrcState) { EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState; EVP_MD_CTX const *pSrc = (EVP_MD_CTX const *)pvSrcState; if (EVP_MD_CTX_copy(pThis, pSrc)) return VINF_SUCCESS; return VERR_CR_DIGEST_OSSL_DIGEST_CTX_COPY_ERROR; } /** @impl_interface_method{RTCRDIGESTDESC::pfnGetHashSize} */ static DECLCALLBACK(uint32_t) rtCrDigestOsslEvp_GetHashSize(void *pvState) { EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState; return EVP_MD_size(EVP_MD_CTX_md(pThis)); } /** @impl_interface_method{RTCRDIGESTDESC::pfnGetHashSize} */ static DECLCALLBACK(RTDIGESTTYPE) rtCrDigestOsslEvp_GetDigestType(void *pvState) { RT_NOREF_PV(pvState); //EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState; /** @todo figure which digest algorithm it is! */ return RTDIGESTTYPE_UNKNOWN; } /** Descriptor for the OpenSSL EVP base message digest provider. */ static RTCRDIGESTDESC const g_rtCrDigestOpenSslDesc = { "OpenSSL EVP", NULL, NULL, RTDIGESTTYPE_UNKNOWN, EVP_MAX_MD_SIZE, # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) 0, # else sizeof(EVP_MD_CTX), # endif 0, # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) rtCrDigestOsslEvp_New, rtCrDigestOsslEvp_Free, # else NULL, NULL, # endif rtCrDigestOsslEvp_Update, rtCrDigestOsslEvp_Final, rtCrDigestOsslEvp_Init, rtCrDigestOsslEvp_Delete, rtCrDigestOsslEvp_Clone, rtCrDigestOsslEvp_GetHashSize, rtCrDigestOsslEvp_GetDigestType }; #endif /* IPRT_WITH_OPENSSL */ RTDECL(PCRTCRDIGESTDESC) RTCrDigestFindByObjIdString(const char *pszObjId, void **ppvOpaque) { if (ppvOpaque) *ppvOpaque = NULL; /* * Primary OIDs. */ uint32_t i = RT_ELEMENTS(g_apDigestOps); while (i-- > 0) if (strcmp(g_apDigestOps[i]->pszObjId, pszObjId) == 0) return g_apDigestOps[i]; /* * Alias OIDs. */ i = RT_ELEMENTS(g_apDigestOps); while (i-- > 0) { const char * const *ppszAliases = g_apDigestOps[i]->papszObjIdAliases; if (ppszAliases) for (; *ppszAliases; ppszAliases++) if (strcmp(*ppszAliases, pszObjId) == 0) return g_apDigestOps[i]; } #ifdef 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. */ # if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER) Assert(EVP_MD_block_size(pEvpMdType)); # else Assert(pEvpMdType->md_size); # endif *ppvOpaque = (void *)pEvpMdType; return &g_rtCrDigestOpenSslDesc; } } } #endif return NULL; } RTDECL(PCRTCRDIGESTDESC) RTCrDigestFindByObjId(PCRTASN1OBJID pObjId, void **ppvOpaque) { return RTCrDigestFindByObjIdString(pObjId->szObjId, ppvOpaque); } RTDECL(int) RTCrDigestCreateByObjIdString(PRTCRDIGEST phDigest, const char *pszObjId) { void *pvOpaque; PCRTCRDIGESTDESC pDesc = RTCrDigestFindByObjIdString(pszObjId, &pvOpaque); if (pDesc) return RTCrDigestCreate(phDigest, pDesc, pvOpaque); return VERR_NOT_FOUND; } RTDECL(int) RTCrDigestCreateByObjId(PRTCRDIGEST phDigest, PCRTASN1OBJID pObjId) { void *pvOpaque; PCRTCRDIGESTDESC pDesc = RTCrDigestFindByObjId(pObjId, &pvOpaque); if (pDesc) return RTCrDigestCreate(phDigest, pDesc, pvOpaque); return VERR_NOT_FOUND; } RTDECL(PCRTCRDIGESTDESC) RTCrDigestFindByType(RTDIGESTTYPE enmDigestType) { AssertReturn(enmDigestType > RTDIGESTTYPE_INVALID && enmDigestType <= RTDIGESTTYPE_END, NULL); uint32_t i = RT_ELEMENTS(g_apDigestOps); while (i-- > 0) if (g_apDigestOps[i]->enmType == enmDigestType) return g_apDigestOps[i]; return NULL; } RTDECL(int) RTCrDigestCreateByType(PRTCRDIGEST phDigest, RTDIGESTTYPE enmDigestType) { PCRTCRDIGESTDESC pDesc = RTCrDigestFindByType(enmDigestType); if (pDesc) return RTCrDigestCreate(phDigest, pDesc, NULL); return VERR_NOT_FOUND; }