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source: vbox/trunk/src/libs/openssl-1.1.1l/crypto/engine/eng_openssl.c@ 91772

Last change on this file since 91772 was 91772, checked in by vboxsync, 3 years ago

openssl-1.1.1l: Applied and adjusted our OpenSSL changes to 1.1.1l. bugref:10126
File size: 18.0 KB
Line 
1/*
2 * Copyright 2001-2020 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 *
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
9 */
10
11#include <stdio.h>
12#include <openssl/crypto.h>
13#include "internal/cryptlib.h"
14#include "crypto/engine.h"
15#include <openssl/pem.h>
16#include <openssl/evp.h>
17#include <openssl/rand.h>
18#include <openssl/rsa.h>
19#include <openssl/dsa.h>
20#include <openssl/dh.h>
21
22#include <openssl/hmac.h>
23#include <openssl/x509v3.h>
24
25/*
26 * This testing gunk is implemented (and explained) lower down. It also
27 * assumes the application explicitly calls "ENGINE_load_openssl()" because
28 * this is no longer automatic in ENGINE_load_builtin_engines().
29 */
30#define TEST_ENG_OPENSSL_RC4
31#ifndef OPENSSL_NO_STDIO
32# define TEST_ENG_OPENSSL_PKEY
33#endif
34/* #define TEST_ENG_OPENSSL_HMAC */
35/* #define TEST_ENG_OPENSSL_HMAC_INIT */
36/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
37#ifndef OPENSSL_NO_STDIO
38# define TEST_ENG_OPENSSL_RC4_P_INIT
39#endif
40/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
41#define TEST_ENG_OPENSSL_SHA
42/* #define TEST_ENG_OPENSSL_SHA_OTHERS */
43/* #define TEST_ENG_OPENSSL_SHA_P_INIT */
44/* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */
45/* #define TEST_ENG_OPENSSL_SHA_P_FINAL */
46
47/* Now check what of those algorithms are actually enabled */
48#ifdef OPENSSL_NO_RC4
49# undef TEST_ENG_OPENSSL_RC4
50# undef TEST_ENG_OPENSSL_RC4_OTHERS
51# undef TEST_ENG_OPENSSL_RC4_P_INIT
52# undef TEST_ENG_OPENSSL_RC4_P_CIPHER
53#endif
54
55static int openssl_destroy(ENGINE *e);
56
57#ifdef TEST_ENG_OPENSSL_RC4
58static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
59 const int **nids, int nid);
60#endif
61#ifdef TEST_ENG_OPENSSL_SHA
62static int openssl_digests(ENGINE *e, const EVP_MD **digest,
63 const int **nids, int nid);
64#endif
65
66#ifdef TEST_ENG_OPENSSL_PKEY
67static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
68 UI_METHOD *ui_method,
69 void *callback_data);
70#endif
71
72#ifdef TEST_ENG_OPENSSL_HMAC
73static int ossl_register_hmac_meth(void);
74static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
75 const int **nids, int nid);
76#endif
77
78/* The constants used when creating the ENGINE */
79static const char *engine_openssl_id = "openssl";
80static const char *engine_openssl_name = "Software engine support";
81
82/*
83 * This internal function is used by ENGINE_openssl() and possibly by the
84 * "dynamic" ENGINE support too
85 */
86static int bind_helper(ENGINE *e)
87{
88 if (!ENGINE_set_id(e, engine_openssl_id)
89 || !ENGINE_set_name(e, engine_openssl_name)
90 || !ENGINE_set_destroy_function(e, openssl_destroy)
91#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
92# ifndef OPENSSL_NO_RSA
93 || !ENGINE_set_RSA(e, RSA_get_default_method())
94# endif
95# ifndef OPENSSL_NO_DSA
96 || !ENGINE_set_DSA(e, DSA_get_default_method())
97# endif
98# ifndef OPENSSL_NO_EC
99 || !ENGINE_set_EC(e, EC_KEY_OpenSSL())
100# endif
101# ifndef OPENSSL_NO_DH
102 || !ENGINE_set_DH(e, DH_get_default_method())
103# endif
104 || !ENGINE_set_RAND(e, RAND_OpenSSL())
105# ifdef TEST_ENG_OPENSSL_RC4
106 || !ENGINE_set_ciphers(e, openssl_ciphers)
107# endif
108# ifdef TEST_ENG_OPENSSL_SHA
109 || !ENGINE_set_digests(e, openssl_digests)
110# endif
111#endif
112#ifdef TEST_ENG_OPENSSL_PKEY
113 || !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
114#endif
115#ifdef TEST_ENG_OPENSSL_HMAC
116 || !ossl_register_hmac_meth()
117 || !ENGINE_set_pkey_meths(e, ossl_pkey_meths)
118#endif
119 )
120 return 0;
121 /*
122 * If we add errors to this ENGINE, ensure the error handling is setup
123 * here
124 */
125 /* openssl_load_error_strings(); */
126 return 1;
127}
128
129static ENGINE *engine_openssl(void)
130{
131 ENGINE *ret = ENGINE_new();
132 if (ret == NULL)
133 return NULL;
134 if (!bind_helper(ret)) {
135 ENGINE_free(ret);
136 return NULL;
137 }
138 return ret;
139}
140
141void engine_load_openssl_int(void)
142{
143 ENGINE *toadd = engine_openssl();
144 if (!toadd)
145 return;
146 ENGINE_add(toadd);
147 /*
148 * If the "add" worked, it gets a structural reference. So either way, we
149 * release our just-created reference.
150 */
151 ENGINE_free(toadd);
152 ERR_clear_error();
153}
154
155/*
156 * This stuff is needed if this ENGINE is being compiled into a
157 * self-contained shared-library.
158 */
159#ifdef ENGINE_DYNAMIC_SUPPORT
160static int bind_fn(ENGINE *e, const char *id)
161{
162 if (id && (strcmp(id, engine_openssl_id) != 0))
163 return 0;
164 if (!bind_helper(e))
165 return 0;
166 return 1;
167}
168
169IMPLEMENT_DYNAMIC_CHECK_FN()
170IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
171#endif /* ENGINE_DYNAMIC_SUPPORT */
172#ifdef TEST_ENG_OPENSSL_RC4
173/*-
174 * This section of code compiles an "alternative implementation" of two modes of
175 * RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4"
176 * should under normal circumstances go via this support rather than the default
177 * EVP support. There are other symbols to tweak the testing;
178 * TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time
179 * we're asked for a cipher we don't support (should not happen).
180 * TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time
181 * the "init_key" handler is called.
182 * TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler.
183 */
184# include <openssl/rc4.h>
185# define TEST_RC4_KEY_SIZE 16
186typedef struct {
187 unsigned char key[TEST_RC4_KEY_SIZE];
188 RC4_KEY ks;
189} TEST_RC4_KEY;
190# define test(ctx) ((TEST_RC4_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx))
191static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
192 const unsigned char *iv, int enc)
193{
194# ifdef TEST_ENG_OPENSSL_RC4_P_INIT
195 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
196# endif
197 memcpy(&test(ctx)->key[0], key, EVP_CIPHER_CTX_key_length(ctx));
198 RC4_set_key(&test(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx),
199 test(ctx)->key);
200 return 1;
201}
202
203static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
204 const unsigned char *in, size_t inl)
205{
206# ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
207 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
208# endif
209 RC4(&test(ctx)->ks, inl, in, out);
210 return 1;
211}
212
213static EVP_CIPHER *r4_cipher = NULL;
214static const EVP_CIPHER *test_r4_cipher(void)
215{
216 if (r4_cipher == NULL) {
217 EVP_CIPHER *cipher;
218
219 if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, TEST_RC4_KEY_SIZE)) == NULL
220 || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
221 || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
222 || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
223 || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
224 || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
225 EVP_CIPHER_meth_free(cipher);
226 cipher = NULL;
227 }
228 r4_cipher = cipher;
229 }
230 return r4_cipher;
231}
232static void test_r4_cipher_destroy(void)
233{
234 EVP_CIPHER_meth_free(r4_cipher);
235 r4_cipher = NULL;
236}
237
238static EVP_CIPHER *r4_40_cipher = NULL;
239static const EVP_CIPHER *test_r4_40_cipher(void)
240{
241 if (r4_40_cipher == NULL) {
242 EVP_CIPHER *cipher;
243
244 if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, 5 /* 40 bits */)) == NULL
245 || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
246 || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
247 || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
248 || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
249 || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
250 EVP_CIPHER_meth_free(cipher);
251 cipher = NULL;
252 }
253 r4_40_cipher = cipher;
254 }
255 return r4_40_cipher;
256}
257static void test_r4_40_cipher_destroy(void)
258{
259 EVP_CIPHER_meth_free(r4_40_cipher);
260 r4_40_cipher = NULL;
261}
262static int test_cipher_nids(const int **nids)
263{
264 static int cipher_nids[4] = { 0, 0, 0, 0 };
265 static int pos = 0;
266 static int init = 0;
267
268 if (!init) {
269 const EVP_CIPHER *cipher;
270 if ((cipher = test_r4_cipher()) != NULL)
271 cipher_nids[pos++] = EVP_CIPHER_nid(cipher);
272 if ((cipher = test_r4_40_cipher()) != NULL)
273 cipher_nids[pos++] = EVP_CIPHER_nid(cipher);
274 cipher_nids[pos] = 0;
275 init = 1;
276 }
277 *nids = cipher_nids;
278 return pos;
279}
280
281static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
282 const int **nids, int nid)
283{
284 if (!cipher) {
285 /* We are returning a list of supported nids */
286 return test_cipher_nids(nids);
287 }
288 /* We are being asked for a specific cipher */
289 if (nid == NID_rc4)
290 *cipher = test_r4_cipher();
291 else if (nid == NID_rc4_40)
292 *cipher = test_r4_40_cipher();
293 else {
294# ifdef TEST_ENG_OPENSSL_RC4_OTHERS
295 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
296 "nid %d\n", nid);
297# endif
298 *cipher = NULL;
299 return 0;
300 }
301 return 1;
302}
303#endif
304
305#ifdef TEST_ENG_OPENSSL_SHA
306/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
307# include <openssl/sha.h>
308
309static int test_sha1_init(EVP_MD_CTX *ctx)
310{
311# ifdef TEST_ENG_OPENSSL_SHA_P_INIT
312 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
313# endif
314 return SHA1_Init(EVP_MD_CTX_md_data(ctx));
315}
316
317static int test_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
318{
319# ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
320 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
321# endif
322 return SHA1_Update(EVP_MD_CTX_md_data(ctx), data, count);
323}
324
325static int test_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
326{
327# ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
328 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
329# endif
330 return SHA1_Final(md, EVP_MD_CTX_md_data(ctx));
331}
332
333static EVP_MD *sha1_md = NULL;
334static const EVP_MD *test_sha_md(void)
335{
336 if (sha1_md == NULL) {
337 EVP_MD *md;
338
339 if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
340 || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
341 || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
342 || !EVP_MD_meth_set_app_datasize(md,
343 sizeof(EVP_MD *) + sizeof(SHA_CTX))
344 || !EVP_MD_meth_set_flags(md, 0)
345 || !EVP_MD_meth_set_init(md, test_sha1_init)
346 || !EVP_MD_meth_set_update(md, test_sha1_update)
347 || !EVP_MD_meth_set_final(md, test_sha1_final)) {
348 EVP_MD_meth_free(md);
349 md = NULL;
350 }
351 sha1_md = md;
352 }
353 return sha1_md;
354}
355static void test_sha_md_destroy(void)
356{
357 EVP_MD_meth_free(sha1_md);
358 sha1_md = NULL;
359}
360static int test_digest_nids(const int **nids)
361{
362 static int digest_nids[2] = { 0, 0 };
363 static int pos = 0;
364 static int init = 0;
365
366 if (!init) {
367 const EVP_MD *md;
368 if ((md = test_sha_md()) != NULL)
369 digest_nids[pos++] = EVP_MD_type(md);
370 digest_nids[pos] = 0;
371 init = 1;
372 }
373 *nids = digest_nids;
374 return pos;
375}
376
377static int openssl_digests(ENGINE *e, const EVP_MD **digest,
378 const int **nids, int nid)
379{
380 if (!digest) {
381 /* We are returning a list of supported nids */
382 return test_digest_nids(nids);
383 }
384 /* We are being asked for a specific digest */
385 if (nid == NID_sha1)
386 *digest = test_sha_md();
387 else {
388# ifdef TEST_ENG_OPENSSL_SHA_OTHERS
389 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
390 "nid %d\n", nid);
391# endif
392 *digest = NULL;
393 return 0;
394 }
395 return 1;
396}
397#endif
398
399#ifdef TEST_ENG_OPENSSL_PKEY
400static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
401 UI_METHOD *ui_method,
402 void *callback_data)
403{
404 BIO *in;
405 EVP_PKEY *key;
406 fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n",
407 key_id);
408 in = BIO_new_file(key_id, "r");
409 if (!in)
410 return NULL;
411 key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
412 BIO_free(in);
413 return key;
414}
415#endif
416
417#ifdef TEST_ENG_OPENSSL_HMAC
418
419/*
420 * Experimental HMAC redirection implementation: mainly copied from
421 * hm_pmeth.c
422 */
423
424/* HMAC pkey context structure */
425
426typedef struct {
427 const EVP_MD *md; /* MD for HMAC use */
428 ASN1_OCTET_STRING ktmp; /* Temp storage for key */
429 HMAC_CTX *ctx;
430} OSSL_HMAC_PKEY_CTX;
431
432static int ossl_hmac_init(EVP_PKEY_CTX *ctx)
433{
434 OSSL_HMAC_PKEY_CTX *hctx;
435
436 if ((hctx = OPENSSL_zalloc(sizeof(*hctx))) == NULL) {
437 ENGINEerr(ENGINE_F_OSSL_HMAC_INIT, ERR_R_MALLOC_FAILURE);
438 return 0;
439 }
440 hctx->ktmp.type = V_ASN1_OCTET_STRING;
441 hctx->ctx = HMAC_CTX_new();
442 if (hctx->ctx == NULL) {
443 OPENSSL_free(hctx);
444 return 0;
445 }
446 EVP_PKEY_CTX_set_data(ctx, hctx);
447 EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);
448# ifdef TEST_ENG_OPENSSL_HMAC_INIT
449 fprintf(stderr, "(TEST_ENG_OPENSSL_HMAC) ossl_hmac_init() called\n");
450# endif
451 return 1;
452}
453
454static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx);
455
456static int ossl_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
457{
458 OSSL_HMAC_PKEY_CTX *sctx, *dctx;
459
460 /* allocate memory for dst->data and a new HMAC_CTX in dst->data->ctx */
461 if (!ossl_hmac_init(dst))
462 return 0;
463 sctx = EVP_PKEY_CTX_get_data(src);
464 dctx = EVP_PKEY_CTX_get_data(dst);
465 dctx->md = sctx->md;
466 if (!HMAC_CTX_copy(dctx->ctx, sctx->ctx))
467 goto err;
468 if (sctx->ktmp.data) {
469 if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
470 sctx->ktmp.data, sctx->ktmp.length))
471 goto err;
472 }
473 return 1;
474err:
475 /* release HMAC_CTX in dst->data->ctx and memory allocated for dst->data */
476 ossl_hmac_cleanup(dst);
477 return 0;
478}
479
480static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx)
481{
482 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
483
484 if (hctx) {
485 HMAC_CTX_free(hctx->ctx);
486 OPENSSL_clear_free(hctx->ktmp.data, hctx->ktmp.length);
487 OPENSSL_free(hctx);
488 EVP_PKEY_CTX_set_data(ctx, NULL);
489 }
490}
491
492static int ossl_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
493{
494 ASN1_OCTET_STRING *hkey = NULL;
495 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
496 if (!hctx->ktmp.data)
497 return 0;
498 hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
499 if (!hkey)
500 return 0;
501 EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
502
503 return 1;
504}
505
506static int ossl_int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
507{
508 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(EVP_MD_CTX_pkey_ctx(ctx));
509 if (!HMAC_Update(hctx->ctx, data, count))
510 return 0;
511 return 1;
512}
513
514static int ossl_hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
515{
516 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
517 EVP_MD_CTX_set_update_fn(mctx, ossl_int_update);
518 return 1;
519}
520
521static int ossl_hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
522 size_t *siglen, EVP_MD_CTX *mctx)
523{
524 unsigned int hlen;
525 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
526 int l = EVP_MD_CTX_size(mctx);
527
528 if (l < 0)
529 return 0;
530 *siglen = l;
531 if (!sig)
532 return 1;
533
534 if (!HMAC_Final(hctx->ctx, sig, &hlen))
535 return 0;
536 *siglen = (size_t)hlen;
537 return 1;
538}
539
540static int ossl_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
541{
542 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
543 EVP_PKEY *pk;
544 ASN1_OCTET_STRING *key;
545 switch (type) {
546
547 case EVP_PKEY_CTRL_SET_MAC_KEY:
548 if ((!p2 && p1 > 0) || (p1 < -1))
549 return 0;
550 if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
551 return 0;
552 break;
553
554 case EVP_PKEY_CTRL_MD:
555 hctx->md = p2;
556 break;
557
558 case EVP_PKEY_CTRL_DIGESTINIT:
559 pk = EVP_PKEY_CTX_get0_pkey(ctx);
560 key = EVP_PKEY_get0(pk);
561 if (!HMAC_Init_ex(hctx->ctx, key->data, key->length, hctx->md, NULL))
562 return 0;
563 break;
564
565 default:
566 return -2;
567
568 }
569 return 1;
570}
571
572static int ossl_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
573 const char *type, const char *value)
574{
575 if (!value) {
576 return 0;
577 }
578 if (strcmp(type, "key") == 0) {
579 void *p = (void *)value;
580 return ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
581 }
582 if (strcmp(type, "hexkey") == 0) {
583 unsigned char *key;
584 int r;
585 long keylen;
586 key = OPENSSL_hexstr2buf(value, &keylen);
587 if (!key)
588 return 0;
589 r = ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
590 OPENSSL_free(key);
591 return r;
592 }
593 return -2;
594}
595
596static EVP_PKEY_METHOD *ossl_hmac_meth;
597
598static int ossl_register_hmac_meth(void)
599{
600 EVP_PKEY_METHOD *meth;
601 meth = EVP_PKEY_meth_new(EVP_PKEY_HMAC, 0);
602 if (meth == NULL)
603 return 0;
604 EVP_PKEY_meth_set_init(meth, ossl_hmac_init);
605 EVP_PKEY_meth_set_copy(meth, ossl_hmac_copy);
606 EVP_PKEY_meth_set_cleanup(meth, ossl_hmac_cleanup);
607
608 EVP_PKEY_meth_set_keygen(meth, 0, ossl_hmac_keygen);
609
610 EVP_PKEY_meth_set_signctx(meth, ossl_hmac_signctx_init,
611 ossl_hmac_signctx);
612
613 EVP_PKEY_meth_set_ctrl(meth, ossl_hmac_ctrl, ossl_hmac_ctrl_str);
614 ossl_hmac_meth = meth;
615 return 1;
616}
617
618static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
619 const int **nids, int nid)
620{
621 static int ossl_pkey_nids[] = {
622 EVP_PKEY_HMAC,
623 0
624 };
625 if (!pmeth) {
626 *nids = ossl_pkey_nids;
627 return 1;
628 }
629
630 if (nid == EVP_PKEY_HMAC) {
631 *pmeth = ossl_hmac_meth;
632 return 1;
633 }
634
635 *pmeth = NULL;
636 return 0;
637}
638
639#endif
640
641int openssl_destroy(ENGINE *e)
642{
643 test_sha_md_destroy();
644#ifdef TEST_ENG_OPENSSL_RC4
645 test_r4_cipher_destroy();
646 test_r4_40_cipher_destroy();
647#endif
648 return 1;
649}
650
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