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source: vbox/trunk/src/VBox/Runtime/common/crypto/digest-builtin.cpp@ 57616

Last change on this file since 57616 was 57358, checked in by vboxsync, 9 years ago

*: scm cleanup run.
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1/* $Id: digest-builtin.cpp 57358 2015-08-14 15:16:38Z vboxsync $ */
2/** @file
3 * IPRT - Crypto - Cryptographic Hash / Message Digest API, Built-in providers.
4 */
5
6/*
7 * Copyright (C) 2006-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include "internal/iprt.h"
32#include <iprt/crypto/digest.h>
33
34#include <iprt/err.h>
35#include <iprt/mem.h>
36#include <iprt/string.h>
37#include <iprt/md2.h>
38#include <iprt/md5.h>
39#include <iprt/sha.h>
40#include <iprt/crypto/pkix.h>
41
42#ifdef IPRT_WITH_OPENSSL
43# include "internal/iprt-openssl.h"
44# include <openssl/evp.h>
45#endif
46
47/*
48 * MD2
49 */
50
51/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
52static DECLCALLBACK(void) rtCrDigestMd2_Update(void *pvState, const void *pvData, size_t cbData)
53{
54 RTMd2Update((PRTMD2CONTEXT)pvState, pvData, cbData);
55}
56
57/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
58static DECLCALLBACK(void) rtCrDigestMd2_Final(void *pvState, uint8_t *pbHash)
59{
60 RTMd2Final((PRTMD2CONTEXT)pvState, pbHash);
61}
62
63/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
64static DECLCALLBACK(int) rtCrDigestMd2_Init(void *pvState, void *pvOpaque, bool fReInit)
65{
66 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
67 RTMd2Init((PRTMD2CONTEXT)pvState);
68 return VINF_SUCCESS;
69}
70
71/** MD2 alias ODIs. */
72static const char * const g_apszMd2Aliases[] =
73{
74 RTCR_PKCS1_MD2_WITH_RSA_OID,
75 "1.3.14.3.2.24" /* OIW md2WithRSASignature */,
76 NULL
77};
78
79/** MD2 descriptor. */
80static RTCRDIGESTDESC const g_rtCrDigestMd2Desc =
81{
82 "md2",
83 "1.2.840.113549.2.2",
84 g_apszMd2Aliases,
85 RTDIGESTTYPE_MD2,
86 RTMD2_HASH_SIZE,
87 sizeof(RTMD2CONTEXT),
88 0,
89 rtCrDigestMd2_Update,
90 rtCrDigestMd2_Final,
91 rtCrDigestMd2_Init,
92 NULL,
93 NULL,
94 NULL,
95 NULL,
96};
97
98
99/*
100 * MD5
101 */
102
103/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
104static DECLCALLBACK(void) rtCrDigestMd5_Update(void *pvState, const void *pvData, size_t cbData)
105{
106 RTMd5Update((PRTMD5CONTEXT)pvState, pvData, cbData);
107}
108
109/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
110static DECLCALLBACK(void) rtCrDigestMd5_Final(void *pvState, uint8_t *pbHash)
111{
112 RTMd5Final(pbHash, (PRTMD5CONTEXT)pvState);
113}
114
115/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
116static DECLCALLBACK(int) rtCrDigestMd5_Init(void *pvState, void *pvOpaque, bool fReInit)
117{
118 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
119 RTMd5Init((PRTMD5CONTEXT)pvState);
120 return VINF_SUCCESS;
121}
122
123/** MD5 alias ODIs. */
124static const char * const g_apszMd5Aliases[] =
125{
126 RTCR_PKCS1_MD5_WITH_RSA_OID,
127 "1.3.14.3.2.25" /* OIW md5WithRSASignature */,
128 NULL
129};
130
131/** MD5 descriptor. */
132static RTCRDIGESTDESC const g_rtCrDigestMd5Desc =
133{
134 "md5",
135 "1.2.840.113549.2.5",
136 g_apszMd5Aliases,
137 RTDIGESTTYPE_MD5,
138 RTMD5_HASH_SIZE,
139 sizeof(RTMD5CONTEXT),
140 0,
141 rtCrDigestMd5_Update,
142 rtCrDigestMd5_Final,
143 rtCrDigestMd5_Init,
144 NULL,
145 NULL,
146 NULL,
147 NULL,
148};
149
150
151/*
152 * SHA-1
153 */
154
155/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
156static DECLCALLBACK(void) rtCrDigestSha1_Update(void *pvState, const void *pvData, size_t cbData)
157{
158 RTSha1Update((PRTSHA1CONTEXT)pvState, pvData, cbData);
159}
160
161/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
162static DECLCALLBACK(void) rtCrDigestSha1_Final(void *pvState, uint8_t *pbHash)
163{
164 RTSha1Final((PRTSHA1CONTEXT)pvState, pbHash);
165}
166
167/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
168static DECLCALLBACK(int) rtCrDigestSha1_Init(void *pvState, void *pvOpaque, bool fReInit)
169{
170 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
171 RTSha1Init((PRTSHA1CONTEXT)pvState);
172 return VINF_SUCCESS;
173}
174
175/** SHA-1 alias ODIs. */
176static const char * const g_apszSha1Aliases[] =
177{
178 RTCR_PKCS1_SHA1_WITH_RSA_OID,
179 "1.3.14.3.2.29" /* OIW sha1WithRSASignature */,
180 NULL
181};
182
183/** SHA-1 descriptor. */
184static RTCRDIGESTDESC const g_rtCrDigestSha1Desc =
185{
186 "sha-1",
187 "1.3.14.3.2.26",
188 g_apszSha1Aliases,
189 RTDIGESTTYPE_SHA1,
190 RTSHA1_HASH_SIZE,
191 sizeof(RTSHA1CONTEXT),
192 0,
193 rtCrDigestSha1_Update,
194 rtCrDigestSha1_Final,
195 rtCrDigestSha1_Init,
196 NULL,
197 NULL,
198 NULL,
199 NULL,
200};
201
202
203/*
204 * SHA-256
205 */
206
207/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
208static DECLCALLBACK(void) rtCrDigestSha256_Update(void *pvState, const void *pvData, size_t cbData)
209{
210 RTSha256Update((PRTSHA256CONTEXT)pvState, pvData, cbData);
211}
212
213/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
214static DECLCALLBACK(void) rtCrDigestSha256_Final(void *pvState, uint8_t *pbHash)
215{
216 RTSha256Final((PRTSHA256CONTEXT)pvState, pbHash);
217}
218
219/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
220static DECLCALLBACK(int) rtCrDigestSha256_Init(void *pvState, void *pvOpaque, bool fReInit)
221{
222 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
223 RTSha256Init((PRTSHA256CONTEXT)pvState);
224 return VINF_SUCCESS;
225}
226
227/** SHA-256 alias ODIs. */
228static const char * const g_apszSha256Aliases[] =
229{
230 RTCR_PKCS1_SHA256_WITH_RSA_OID,
231 NULL
232};
233
234/** SHA-256 descriptor. */
235static RTCRDIGESTDESC const g_rtCrDigestSha256Desc =
236{
237 "sha-256",
238 "2.16.840.1.101.3.4.2.1",
239 g_apszSha256Aliases,
240 RTDIGESTTYPE_SHA256,
241 RTSHA256_HASH_SIZE,
242 sizeof(RTSHA256CONTEXT),
243 0,
244 rtCrDigestSha256_Update,
245 rtCrDigestSha256_Final,
246 rtCrDigestSha256_Init,
247 NULL,
248 NULL,
249 NULL,
250 NULL,
251};
252
253
254/*
255 * SHA-512
256 */
257
258/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
259static DECLCALLBACK(void) rtCrDigestSha512_Update(void *pvState, const void *pvData, size_t cbData)
260{
261 RTSha512Update((PRTSHA512CONTEXT)pvState, pvData, cbData);
262}
263
264/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
265static DECLCALLBACK(void) rtCrDigestSha512_Final(void *pvState, uint8_t *pbHash)
266{
267 RTSha512Final((PRTSHA512CONTEXT)pvState, pbHash);
268}
269
270/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
271static DECLCALLBACK(int) rtCrDigestSha512_Init(void *pvState, void *pvOpaque, bool fReInit)
272{
273 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
274 RTSha512Init((PRTSHA512CONTEXT)pvState);
275 return VINF_SUCCESS;
276}
277
278/** SHA-512 alias ODIs. */
279static const char * const g_apszSha512Aliases[] =
280{
281 RTCR_PKCS1_SHA512_WITH_RSA_OID,
282 NULL
283};
284
285/** SHA-512 descriptor. */
286static RTCRDIGESTDESC const g_rtCrDigestSha512Desc =
287{
288 "sha-512",
289 "2.16.840.1.101.3.4.2.3",
290 g_apszSha512Aliases,
291 RTDIGESTTYPE_SHA512,
292 RTSHA512_HASH_SIZE,
293 sizeof(RTSHA512CONTEXT),
294 0,
295 rtCrDigestSha512_Update,
296 rtCrDigestSha512_Final,
297 rtCrDigestSha512_Init,
298 NULL,
299 NULL,
300 NULL,
301 NULL,
302};
303
304
305/*
306 * SHA-224
307 */
308
309/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
310static DECLCALLBACK(void) rtCrDigestSha224_Update(void *pvState, const void *pvData, size_t cbData)
311{
312 RTSha224Update((PRTSHA224CONTEXT)pvState, pvData, cbData);
313}
314
315/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
316static DECLCALLBACK(void) rtCrDigestSha224_Final(void *pvState, uint8_t *pbHash)
317{
318 RTSha224Final((PRTSHA224CONTEXT)pvState, pbHash);
319}
320
321/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
322static DECLCALLBACK(int) rtCrDigestSha224_Init(void *pvState, void *pvOpaque, bool fReInit)
323{
324 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
325 RTSha224Init((PRTSHA224CONTEXT)pvState);
326 return VINF_SUCCESS;
327}
328
329/** SHA-224 alias ODIs. */
330static const char * const g_apszSha224Aliases[] =
331{
332 RTCR_PKCS1_SHA224_WITH_RSA_OID,
333 NULL
334};
335
336/** SHA-224 descriptor. */
337static RTCRDIGESTDESC const g_rtCrDigestSha224Desc =
338{
339 "sha-224",
340 "2.16.840.1.101.3.4.2.4",
341 g_apszSha224Aliases,
342 RTDIGESTTYPE_SHA224,
343 RTSHA224_HASH_SIZE,
344 sizeof(RTSHA224CONTEXT),
345 0,
346 rtCrDigestSha224_Update,
347 rtCrDigestSha224_Final,
348 rtCrDigestSha224_Init,
349 NULL,
350 NULL,
351 NULL,
352 NULL,
353};
354
355
356/*
357 * SHA-384
358 */
359
360/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
361static DECLCALLBACK(void) rtCrDigestSha384_Update(void *pvState, const void *pvData, size_t cbData)
362{
363 RTSha384Update((PRTSHA384CONTEXT)pvState, pvData, cbData);
364}
365
366/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
367static DECLCALLBACK(void) rtCrDigestSha384_Final(void *pvState, uint8_t *pbHash)
368{
369 RTSha384Final((PRTSHA384CONTEXT)pvState, pbHash);
370}
371
372/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
373static DECLCALLBACK(int) rtCrDigestSha384_Init(void *pvState, void *pvOpaque, bool fReInit)
374{
375 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
376 RTSha384Init((PRTSHA384CONTEXT)pvState);
377 return VINF_SUCCESS;
378}
379
380/** SHA-384 alias ODIs. */
381static const char * const g_apszSha384Aliases[] =
382{
383 RTCR_PKCS1_SHA384_WITH_RSA_OID,
384 NULL
385};
386
387/** SHA-384 descriptor. */
388static RTCRDIGESTDESC const g_rtCrDigestSha384Desc =
389{
390 "sha-384",
391 "2.16.840.1.101.3.4.2.2",
392 g_apszSha384Aliases,
393 RTDIGESTTYPE_SHA384,
394 RTSHA384_HASH_SIZE,
395 sizeof(RTSHA384CONTEXT),
396 0,
397 rtCrDigestSha384_Update,
398 rtCrDigestSha384_Final,
399 rtCrDigestSha384_Init,
400 NULL,
401 NULL,
402 NULL,
403 NULL,
404};
405
406
407#ifndef IPRT_WITHOUT_SHA512T224
408/*
409 * SHA-512/224
410 */
411
412/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
413static DECLCALLBACK(void) rtCrDigestSha512t224_Update(void *pvState, const void *pvData, size_t cbData)
414{
415 RTSha512t224Update((PRTSHA512T224CONTEXT)pvState, pvData, cbData);
416}
417
418/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
419static DECLCALLBACK(void) rtCrDigestSha512t224_Final(void *pvState, uint8_t *pbHash)
420{
421 RTSha512t224Final((PRTSHA512T224CONTEXT)pvState, pbHash);
422}
423
424/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
425static DECLCALLBACK(int) rtCrDigestSha512t224_Init(void *pvState, void *pvOpaque, bool fReInit)
426{
427 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
428 RTSha512t224Init((PRTSHA512T224CONTEXT)pvState);
429 return VINF_SUCCESS;
430}
431
432/** SHA-512/224 alias ODIs. */
433static const char * const g_apszSha512t224Aliases[] =
434{
435 NULL
436};
437
438/** SHA-512/224 descriptor. */
439static RTCRDIGESTDESC const g_rtCrDigestSha512t224Desc =
440{
441 "sha-512/224",
442 "2.16.840.1.101.3.4.2.5",
443 g_apszSha512t224Aliases,
444 RTDIGESTTYPE_SHA512T224,
445 RTSHA512T224_HASH_SIZE,
446 sizeof(RTSHA512T224CONTEXT),
447 0,
448 rtCrDigestSha512t224_Update,
449 rtCrDigestSha512t224_Final,
450 rtCrDigestSha512t224_Init,
451 NULL,
452 NULL,
453 NULL,
454 NULL,
455};
456#endif /* !IPRT_WITHOUT_SHA512T224 */
457
458
459#ifndef IPRT_WITHOUT_SHA512T256
460/*
461 * SHA-512/256
462 */
463
464/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
465static DECLCALLBACK(void) rtCrDigestSha512t256_Update(void *pvState, const void *pvData, size_t cbData)
466{
467 RTSha512t256Update((PRTSHA512T256CONTEXT)pvState, pvData, cbData);
468}
469
470/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
471static DECLCALLBACK(void) rtCrDigestSha512t256_Final(void *pvState, uint8_t *pbHash)
472{
473 RTSha512t256Final((PRTSHA512T256CONTEXT)pvState, pbHash);
474}
475
476/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
477static DECLCALLBACK(int) rtCrDigestSha512t256_Init(void *pvState, void *pvOpaque, bool fReInit)
478{
479 AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
480 RTSha512t256Init((PRTSHA512T256CONTEXT)pvState);
481 return VINF_SUCCESS;
482}
483
484/** SHA-512/256 alias ODIs. */
485static const char * const g_apszSha512t256Aliases[] =
486{
487 NULL
488};
489
490/** SHA-512/256 descriptor. */
491static RTCRDIGESTDESC const g_rtCrDigestSha512t256Desc =
492{
493 "sha-512/256",
494 "2.16.840.1.101.3.4.2.6",
495 g_apszSha512t256Aliases,
496 RTDIGESTTYPE_SHA512T256,
497 RTSHA512T256_HASH_SIZE,
498 sizeof(RTSHA512T256CONTEXT),
499 0,
500 rtCrDigestSha512t256_Update,
501 rtCrDigestSha512t256_Final,
502 rtCrDigestSha512t256_Init,
503 NULL,
504 NULL,
505 NULL,
506 NULL,
507};
508#endif /* !IPRT_WITHOUT_SHA512T256 */
509
510
511/**
512 * Array of built in message digest vtables.
513 */
514static PCRTCRDIGESTDESC const g_apDigestOps[] =
515{
516 &g_rtCrDigestMd2Desc,
517 &g_rtCrDigestMd5Desc,
518 &g_rtCrDigestSha1Desc,
519 &g_rtCrDigestSha256Desc,
520 &g_rtCrDigestSha512Desc,
521 &g_rtCrDigestSha224Desc,
522 &g_rtCrDigestSha384Desc,
523#ifndef IPRT_WITHOUT_SHA512T224
524 &g_rtCrDigestSha512t224Desc,
525#endif
526#ifndef IPRT_WITHOUT_SHA512T256
527 &g_rtCrDigestSha512t256Desc,
528#endif
529};
530
531
532#ifdef IPRT_WITH_OPENSSL
533/*
534 * OpenSSL EVP.
535 */
536
537/** @impl_interface_method{RTCRDIGESTDESC::pfnUpdate} */
538static DECLCALLBACK(void) rtCrDigestOsslEvp_Update(void *pvState, const void *pvData, size_t cbData)
539{
540 EVP_DigestUpdate((EVP_MD_CTX *)pvState, pvData, cbData);
541}
542
543
544/** @impl_interface_method{RTCRDIGESTDESC::pfnFinal} */
545static DECLCALLBACK(void) rtCrDigestOsslEvp_Final(void *pvState, uint8_t *pbHash)
546{
547 unsigned int cbHash = EVP_MAX_MD_SIZE;
548 EVP_DigestFinal((EVP_MD_CTX *)pvState, (unsigned char *)pbHash, &cbHash);
549}
550
551/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
552static DECLCALLBACK(int) rtCrDigestOsslEvp_Init(void *pvState, void *pvOpaque, bool fReInit)
553{
554 EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState;
555 EVP_MD const *pEvpType = (EVP_MD const *)pvOpaque;
556
557 if (fReInit)
558 {
559 pEvpType = EVP_MD_CTX_md(pThis);
560 EVP_MD_CTX_cleanup(pThis);
561 }
562
563 AssertPtrReturn(pEvpType, VERR_INVALID_PARAMETER);
564 Assert(pEvpType->md_size);
565 if (EVP_DigestInit(pThis, pEvpType))
566 return VINF_SUCCESS;
567 return VERR_CR_DIGEST_OSSL_DIGEST_INIT_ERROR;
568}
569
570
571/** @impl_interface_method{RTCRDIGESTDESC::pfn} */
572static DECLCALLBACK(void) rtCrDigestOsslEvp_Delete(void *pvState)
573{
574 EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState;
575 EVP_MD_CTX_cleanup(pThis);
576}
577
578
579/** @impl_interface_method{RTCRDIGESTDESC::pfnClone} */
580static DECLCALLBACK(int) rtCrDigestOsslEvp_Clone(void *pvState, void const *pvSrcState)
581{
582 EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState;
583 EVP_MD_CTX const *pSrc = (EVP_MD_CTX const *)pvSrcState;
584
585 if (EVP_MD_CTX_copy(pThis, pSrc))
586 return VINF_SUCCESS;
587 return VERR_CR_DIGEST_OSSL_DIGEST_CTX_COPY_ERROR;
588}
589
590
591/** @impl_interface_method{RTCRDIGESTDESC::pfnGetHashSize} */
592static DECLCALLBACK(uint32_t) rtCrDigestOsslEvp_GetHashSize(void *pvState)
593{
594 EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState;
595 return EVP_MD_size(EVP_MD_CTX_md(pThis));
596}
597
598
599/** @impl_interface_method{RTCRDIGESTDESC::pfnGetHashSize} */
600static DECLCALLBACK(RTDIGESTTYPE) rtCrDigestOsslEvp_GetDigestType(void *pvState)
601{
602 EVP_MD_CTX *pThis = (EVP_MD_CTX *)pvState;
603 /** @todo figure which digest algorithm it is! */
604 return RTDIGESTTYPE_UNKNOWN;
605}
606
607
608/** Descriptor for the OpenSSL EVP base message digest provider. */
609static RTCRDIGESTDESC const g_rtCrDigestOpenSslDesc =
610{
611 "OpenSSL EVP",
612 NULL,
613 NULL,
614 RTDIGESTTYPE_UNKNOWN,
615 EVP_MAX_MD_SIZE,
616 sizeof(EVP_MD_CTX),
617 0,
618 rtCrDigestOsslEvp_Update,
619 rtCrDigestOsslEvp_Final,
620 rtCrDigestOsslEvp_Init,
621 rtCrDigestOsslEvp_Delete,
622 rtCrDigestOsslEvp_Clone,
623 rtCrDigestOsslEvp_GetHashSize,
624 rtCrDigestOsslEvp_GetDigestType
625};
626
627#endif /* IPRT_WITH_OPENSSL */
628
629
630RTDECL(PCRTCRDIGESTDESC) RTCrDigestFindByObjIdString(const char *pszObjId, void **ppvOpaque)
631{
632 if (ppvOpaque)
633 *ppvOpaque = NULL;
634
635 /*
636 * Primary OIDs.
637 */
638 uint32_t i = RT_ELEMENTS(g_apDigestOps);
639 while (i-- > 0)
640 if (strcmp(g_apDigestOps[i]->pszObjId, pszObjId) == 0)
641 return g_apDigestOps[i];
642
643 /*
644 * Alias OIDs.
645 */
646 i = RT_ELEMENTS(g_apDigestOps);
647 while (i-- > 0)
648 {
649 const char * const *ppszAliases = g_apDigestOps[i]->papszObjIdAliases;
650 if (ppszAliases)
651 for (; *ppszAliases; ppszAliases++)
652 if (strcmp(*ppszAliases, pszObjId) == 0)
653 return g_apDigestOps[i];
654 }
655
656#ifdef IPRT_WITH_OPENSSL
657 /*
658 * Try EVP and see if it knows the algorithm.
659 */
660 if (ppvOpaque)
661 {
662 rtCrOpenSslInit();
663 int iAlgoNid = OBJ_txt2nid(pszObjId);
664 if (iAlgoNid != NID_undef)
665 {
666 const char *pszAlogSn = OBJ_nid2sn(iAlgoNid);
667 const EVP_MD *pEvpMdType = EVP_get_digestbyname(pszAlogSn);
668 if (pEvpMdType)
669 {
670 /*
671 * Return the OpenSSL provider descriptor and the EVP_MD address.
672 */
673 Assert(pEvpMdType->md_size);
674 *ppvOpaque = (void *)pEvpMdType;
675 return &g_rtCrDigestOpenSslDesc;
676 }
677 }
678 }
679#endif
680 return NULL;
681}
682
683
684RTDECL(PCRTCRDIGESTDESC) RTCrDigestFindByObjId(PCRTASN1OBJID pObjId, void **ppvOpaque)
685{
686 return RTCrDigestFindByObjIdString(pObjId->szObjId, ppvOpaque);
687}
688
689
690RTDECL(int) RTCrDigestCreateByObjIdString(PRTCRDIGEST phDigest, const char *pszObjId)
691{
692 void *pvOpaque;
693 PCRTCRDIGESTDESC pDesc = RTCrDigestFindByObjIdString(pszObjId, &pvOpaque);
694 if (pDesc)
695 return RTCrDigestCreate(phDigest, pDesc, pvOpaque);
696 return VERR_NOT_FOUND;
697}
698
699
700RTDECL(int) RTCrDigestCreateByObjId(PRTCRDIGEST phDigest, PCRTASN1OBJID pObjId)
701{
702 void *pvOpaque;
703 PCRTCRDIGESTDESC pDesc = RTCrDigestFindByObjId(pObjId, &pvOpaque);
704 if (pDesc)
705 return RTCrDigestCreate(phDigest, pDesc, pvOpaque);
706 return VERR_NOT_FOUND;
707}
708
709
710RTDECL(PCRTCRDIGESTDESC) RTCrDigestFindByType(RTDIGESTTYPE enmDigestType)
711{
712 AssertReturn(enmDigestType > RTDIGESTTYPE_INVALID && enmDigestType <= RTDIGESTTYPE_END, NULL);
713
714 uint32_t i = RT_ELEMENTS(g_apDigestOps);
715 while (i-- > 0)
716 if (g_apDigestOps[i]->enmType == enmDigestType)
717 return g_apDigestOps[i];
718 return NULL;
719}
720
721
722RTDECL(int) RTCrDigestCreateByType(PRTCRDIGEST phDigest, RTDIGESTTYPE enmDigestType)
723{
724 PCRTCRDIGESTDESC pDesc = RTCrDigestFindByType(enmDigestType);
725 if (pDesc)
726 return RTCrDigestCreate(phDigest, pDesc, NULL);
727 return VERR_NOT_FOUND;
728}
729
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