1/*
2 * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 *
5 * Licensed under the Apache License 2.0 (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()
170 IMPLEMENT_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 const int n = EVP_CIPHER_CTX_key_length(ctx);
195
196# ifdef TEST_ENG_OPENSSL_RC4_P_INIT
197 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
198# endif
199 if (n <= 0)
200 return n;
201 memcpy(&test(ctx)->key[0], key, n);
202 RC4_set_key(&test(ctx)->ks, n, test(ctx)->key);
203 return 1;
204}
205
206static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
207 const unsigned char *in, size_t inl)
208{
209# ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
210 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
211# endif
212 RC4(&test(ctx)->ks, inl, in, out);
213 return 1;
214}
215
216static EVP_CIPHER *r4_cipher = NULL;
217static const EVP_CIPHER *test_r4_cipher(void)
218{
219 if (r4_cipher == NULL) {
220 EVP_CIPHER *cipher;
221
222 if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, TEST_RC4_KEY_SIZE)) == NULL
223 || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
224 || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
225 || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
226 || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
227 || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
228 EVP_CIPHER_meth_free(cipher);
229 cipher = NULL;
230 }
231 r4_cipher = cipher;
232 }
233 return r4_cipher;
234}
235static void test_r4_cipher_destroy(void)
236{
237 EVP_CIPHER_meth_free(r4_cipher);
238 r4_cipher = NULL;
239}
240
241static EVP_CIPHER *r4_40_cipher = NULL;
242static const EVP_CIPHER *test_r4_40_cipher(void)
243{
244 if (r4_40_cipher == NULL) {
245 EVP_CIPHER *cipher;
246
247 if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, 5 /* 40 bits */)) == NULL
248 || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
249 || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
250 || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
251 || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
252 || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
253 EVP_CIPHER_meth_free(cipher);
254 cipher = NULL;
255 }
256 r4_40_cipher = cipher;
257 }
258 return r4_40_cipher;
259}
260static void test_r4_40_cipher_destroy(void)
261{
262 EVP_CIPHER_meth_free(r4_40_cipher);
263 r4_40_cipher = NULL;
264}
265static int test_cipher_nids(const int **nids)
266{
267 static int cipher_nids[4] = { 0, 0, 0, 0 };
268 static int pos = 0;
269 static int init = 0;
270
271 if (!init) {
272 const EVP_CIPHER *cipher;
273 if ((cipher = test_r4_cipher()) != NULL)
274 cipher_nids[pos++] = EVP_CIPHER_nid(cipher);
275 if ((cipher = test_r4_40_cipher()) != NULL)
276 cipher_nids[pos++] = EVP_CIPHER_nid(cipher);
277 cipher_nids[pos] = 0;
278 init = 1;
279 }
280 *nids = cipher_nids;
281 return pos;
282}
283
284static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
285 const int **nids, int nid)
286{
287 if (!cipher) {
288 /* We are returning a list of supported nids */
289 return test_cipher_nids(nids);
290 }
291 /* We are being asked for a specific cipher */
292 if (nid == NID_rc4)
293 *cipher = test_r4_cipher();
294 else if (nid == NID_rc4_40)
295 *cipher = test_r4_40_cipher();
296 else {
297# ifdef TEST_ENG_OPENSSL_RC4_OTHERS
298 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
299 "nid %d\n", nid);
300# endif
301 *cipher = NULL;
302 return 0;
303 }
304 return 1;
305}
306#endif
307
308#ifdef TEST_ENG_OPENSSL_SHA
309/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
310# include <openssl/sha.h>
311
312static int test_sha1_init(EVP_MD_CTX *ctx)
313{
314# ifdef TEST_ENG_OPENSSL_SHA_P_INIT
315 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
316# endif
317 return SHA1_Init(EVP_MD_CTX_md_data(ctx));
318}
319
320static int test_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
321{
322# ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
323 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
324# endif
325 return SHA1_Update(EVP_MD_CTX_md_data(ctx), data, count);
326}
327
328static int test_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
329{
330# ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
331 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
332# endif
333 return SHA1_Final(md, EVP_MD_CTX_md_data(ctx));
334}
335
336static EVP_MD *sha1_md = NULL;
337static const EVP_MD *test_sha_md(void)
338{
339 if (sha1_md == NULL) {
340 EVP_MD *md;
341
342 if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
343 || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
344 || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
345 || !EVP_MD_meth_set_app_datasize(md,
346 sizeof(EVP_MD *) + sizeof(SHA_CTX))
347 || !EVP_MD_meth_set_flags(md, 0)
348 || !EVP_MD_meth_set_init(md, test_sha1_init)
349 || !EVP_MD_meth_set_update(md, test_sha1_update)
350 || !EVP_MD_meth_set_final(md, test_sha1_final)) {
351 EVP_MD_meth_free(md);
352 md = NULL;
353 }
354 sha1_md = md;
355 }
356 return sha1_md;
357}
358static void test_sha_md_destroy(void)
359{
360 EVP_MD_meth_free(sha1_md);
361 sha1_md = NULL;
362}
363static int test_digest_nids(const int **nids)
364{
365 static int digest_nids[2] = { 0, 0 };
366 static int pos = 0;
367 static int init = 0;
368
369 if (!init) {
370 const EVP_MD *md;
371 if ((md = test_sha_md()) != NULL)
372 digest_nids[pos++] = EVP_MD_type(md);
373 digest_nids[pos] = 0;
374 init = 1;
375 }
376 *nids = digest_nids;
377 return pos;
378}
379
380static int openssl_digests(ENGINE *e, const EVP_MD **digest,
381 const int **nids, int nid)
382{
383 if (!digest) {
384 /* We are returning a list of supported nids */
385 return test_digest_nids(nids);
386 }
387 /* We are being asked for a specific digest */
388 if (nid == NID_sha1)
389 *digest = test_sha_md();
390 else {
391# ifdef TEST_ENG_OPENSSL_SHA_OTHERS
392 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
393 "nid %d\n", nid);
394# endif
395 *digest = NULL;
396 return 0;
397 }
398 return 1;
399}
400#endif
401
402#ifdef TEST_ENG_OPENSSL_PKEY
403static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
404 UI_METHOD *ui_method,
405 void *callback_data)
406{
407 BIO *in;
408 EVP_PKEY *key;
409 fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n",
410 key_id);
411 in = BIO_new_file(key_id, "r");
412 if (!in)
413 return NULL;
414 key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
415 BIO_free(in);
416 return key;
417}
418#endif
419
420#ifdef TEST_ENG_OPENSSL_HMAC
421
422/*
423 * Experimental HMAC redirection implementation: mainly copied from
424 * hm_pmeth.c
425 */
426
427/* HMAC pkey context structure */
428
429typedef struct {
430 const EVP_MD *md; /* MD for HMAC use */
431 ASN1_OCTET_STRING ktmp; /* Temp storage for key */
432 HMAC_CTX *ctx;
433} OSSL_HMAC_PKEY_CTX;
434
435static int ossl_hmac_init(EVP_PKEY_CTX *ctx)
436{
437 OSSL_HMAC_PKEY_CTX *hctx;
438
439 if ((hctx = OPENSSL_zalloc(sizeof(*hctx))) == NULL) {
440 ENGINEerr(ENGINE_F_OSSL_HMAC_INIT, ERR_R_MALLOC_FAILURE);
441 return 0;
442 }
443 hctx->ktmp.type = V_ASN1_OCTET_STRING;
444 hctx->ctx = HMAC_CTX_new();
445 if (hctx->ctx == NULL) {
446 OPENSSL_free(hctx);
447 return 0;
448 }
449 EVP_PKEY_CTX_set_data(ctx, hctx);
450 EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);
451# ifdef TEST_ENG_OPENSSL_HMAC_INIT
452 fprintf(stderr, "(TEST_ENG_OPENSSL_HMAC) ossl_hmac_init() called\n");
453# endif
454 return 1;
455}
456
457static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx);
458
459static int ossl_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
460{
461 OSSL_HMAC_PKEY_CTX *sctx, *dctx;
462
463 /* allocate memory for dst->data and a new HMAC_CTX in dst->data->ctx */
464 if (!ossl_hmac_init(dst))
465 return 0;
466 sctx = EVP_PKEY_CTX_get_data(src);
467 dctx = EVP_PKEY_CTX_get_data(dst);
468 dctx->md = sctx->md;
469 if (!HMAC_CTX_copy(dctx->ctx, sctx->ctx))
470 goto err;
471 if (sctx->ktmp.data) {
472 if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
473 sctx->ktmp.data, sctx->ktmp.length))
474 goto err;
475 }
476 return 1;
477err:
478 /* release HMAC_CTX in dst->data->ctx and memory allocated for dst->data */
479 ossl_hmac_cleanup(dst);
480 return 0;
481}
482
483static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx)
484{
485 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
486
487 if (hctx) {
488 HMAC_CTX_free(hctx->ctx);
489 OPENSSL_clear_free(hctx->ktmp.data, hctx->ktmp.length);
490 OPENSSL_free(hctx);
491 EVP_PKEY_CTX_set_data(ctx, NULL);
492 }
493}
494
495static int ossl_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
496{
497 ASN1_OCTET_STRING *hkey = NULL;
498 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
499 if (!hctx->ktmp.data)
500 return 0;
501 hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
502 if (!hkey)
503 return 0;
504 EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
505
506 return 1;
507}
508
509static int ossl_int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
510{
511 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(EVP_MD_CTX_pkey_ctx(ctx));
512 if (!HMAC_Update(hctx->ctx, data, count))
513 return 0;
514 return 1;
515}
516
517static int ossl_hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
518{
519 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
520 EVP_MD_CTX_set_update_fn(mctx, ossl_int_update);
521 return 1;
522}
523
524static int ossl_hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
525 size_t *siglen, EVP_MD_CTX *mctx)
526{
527 unsigned int hlen;
528 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
529 int l = EVP_MD_CTX_size(mctx);
530
531 if (l < 0)
532 return 0;
533 *siglen = l;
534 if (!sig)
535 return 1;
536
537 if (!HMAC_Final(hctx->ctx, sig, &hlen))
538 return 0;
539 *siglen = (size_t)hlen;
540 return 1;
541}
542
543static int ossl_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
544{
545 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
546 EVP_PKEY *pk;
547 ASN1_OCTET_STRING *key;
548 switch (type) {
549
550 case EVP_PKEY_CTRL_SET_MAC_KEY:
551 if ((!p2 && p1 > 0) || (p1 < -1))
552 return 0;
553 if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
554 return 0;
555 break;
556
557 case EVP_PKEY_CTRL_MD:
558 hctx->md = p2;
559 break;
560
561 case EVP_PKEY_CTRL_DIGESTINIT:
562 pk = EVP_PKEY_CTX_get0_pkey(ctx);
563 key = EVP_PKEY_get0(pk);
564 if (!HMAC_Init_ex(hctx->ctx, key->data, key->length, hctx->md, NULL))
565 return 0;
566 break;
567
568 default:
569 return -2;
570
571 }
572 return 1;
573}
574
575static int ossl_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
576 const char *type, const char *value)
577{
578 if (!value) {
579 return 0;
580 }
581 if (strcmp(type, "key") == 0) {
582 void *p = (void *)value;
583 return ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
584 }
585 if (strcmp(type, "hexkey") == 0) {
586 unsigned char *key;
587 int r;
588 long keylen;
589 key = OPENSSL_hexstr2buf(value, &keylen);
590 if (!key)
591 return 0;
592 r = ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
593 OPENSSL_free(key);
594 return r;
595 }
596 return -2;
597}
598
599static EVP_PKEY_METHOD *ossl_hmac_meth;
600
601static int ossl_register_hmac_meth(void)
602{
603 EVP_PKEY_METHOD *meth;
604 meth = EVP_PKEY_meth_new(EVP_PKEY_HMAC, 0);
605 if (meth == NULL)
606 return 0;
607 EVP_PKEY_meth_set_init(meth, ossl_hmac_init);
608 EVP_PKEY_meth_set_copy(meth, ossl_hmac_copy);
609 EVP_PKEY_meth_set_cleanup(meth, ossl_hmac_cleanup);
610
611 EVP_PKEY_meth_set_keygen(meth, 0, ossl_hmac_keygen);
612
613 EVP_PKEY_meth_set_signctx(meth, ossl_hmac_signctx_init,
614 ossl_hmac_signctx);
615
616 EVP_PKEY_meth_set_ctrl(meth, ossl_hmac_ctrl, ossl_hmac_ctrl_str);
617 ossl_hmac_meth = meth;
618 return 1;
619}
620
621static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
622 const int **nids, int nid)
623{
624 static int ossl_pkey_nids[] = {
625 EVP_PKEY_HMAC,
626 0
627 };
628
629 if (pmeth == NULL) {
630 *nids = ossl_pkey_nids;
631 return 1;
632 }
633
634 if (nid == EVP_PKEY_HMAC) {
635 *pmeth = ossl_hmac_meth;
636 return 1;
637 }
638
639 *pmeth = NULL;
640 return 0;
641}
642
643#endif
644
645int openssl_destroy(ENGINE *e)
646{
647 test_sha_md_destroy();
648#ifdef TEST_ENG_OPENSSL_RC4
649 test_r4_cipher_destroy();
650 test_r4_40_cipher_destroy();
651#endif
652 return 1;
653}
654
655