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source: vbox/trunk/src/libs/openssl-3.0.3/crypto/engine/eng_openssl.c@ 96662

Last change on this file since 96662 was 94082, checked in by vboxsync, 3 years ago

libs/openssl-3.0.1: started applying and adjusting our OpenSSL changes to 3.0.1. bugref:10128
File size: 18.5 KB
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1/*
2 * Copyright 2001-2021 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/* We need to use some engine deprecated APIs */
12#define OPENSSL_SUPPRESS_DEPRECATED
13
14/*
15 * RC4 and SHA-1 low level APIs and EVP _meth_ APISs are deprecated for public
16 * use, but still ok for internal use.
17 */
18#include "internal/deprecated.h"
19
20#include <stdio.h>
21#include <openssl/crypto.h>
22#include "internal/cryptlib.h"
23#include "crypto/engine.h"
24#include <openssl/pem.h>
25#include <openssl/evp.h>
26#include <openssl/rand.h>
27#include <openssl/rsa.h>
28#include <openssl/dsa.h>
29#include <openssl/dh.h>
30
31#include <openssl/hmac.h>
32#include <openssl/x509v3.h>
33
34/*
35 * This testing gunk is implemented (and explained) lower down. It also
36 * assumes the application explicitly calls "ENGINE_load_openssl()" because
37 * this is no longer automatic in ENGINE_load_builtin_engines().
38 */
39#define TEST_ENG_OPENSSL_RC4
40#ifndef OPENSSL_NO_STDIO
41# define TEST_ENG_OPENSSL_PKEY
42#endif
43/* #define TEST_ENG_OPENSSL_HMAC */
44/* #define TEST_ENG_OPENSSL_HMAC_INIT */
45/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
46#ifndef OPENSSL_NO_STDIO
47# define TEST_ENG_OPENSSL_RC4_P_INIT
48#endif
49/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
50#define TEST_ENG_OPENSSL_SHA
51/* #define TEST_ENG_OPENSSL_SHA_OTHERS */
52/* #define TEST_ENG_OPENSSL_SHA_P_INIT */
53/* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */
54/* #define TEST_ENG_OPENSSL_SHA_P_FINAL */
55
56/* Now check what of those algorithms are actually enabled */
57#ifdef OPENSSL_NO_RC4
58# undef TEST_ENG_OPENSSL_RC4
59# undef TEST_ENG_OPENSSL_RC4_OTHERS
60# undef TEST_ENG_OPENSSL_RC4_P_INIT
61# undef TEST_ENG_OPENSSL_RC4_P_CIPHER
62#endif
63
64static int openssl_destroy(ENGINE *e);
65
66#ifdef TEST_ENG_OPENSSL_RC4
67static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
68 const int **nids, int nid);
69#endif
70#ifdef TEST_ENG_OPENSSL_SHA
71static int openssl_digests(ENGINE *e, const EVP_MD **digest,
72 const int **nids, int nid);
73#endif
74
75#ifdef TEST_ENG_OPENSSL_PKEY
76static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
77 UI_METHOD *ui_method,
78 void *callback_data);
79#endif
80
81#ifdef TEST_ENG_OPENSSL_HMAC
82static int ossl_register_hmac_meth(void);
83static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
84 const int **nids, int nid);
85#endif
86
87/* The constants used when creating the ENGINE */
88static const char *engine_openssl_id = "openssl";
89static const char *engine_openssl_name = "Software engine support";
90
91/*
92 * This internal function is used by ENGINE_openssl() and possibly by the
93 * "dynamic" ENGINE support too
94 */
95static int bind_helper(ENGINE *e)
96{
97 if (!ENGINE_set_id(e, engine_openssl_id)
98 || !ENGINE_set_name(e, engine_openssl_name)
99 || !ENGINE_set_destroy_function(e, openssl_destroy)
100#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
101 || !ENGINE_set_RSA(e, RSA_get_default_method())
102# ifndef OPENSSL_NO_DSA
103 || !ENGINE_set_DSA(e, DSA_get_default_method())
104# endif
105# ifndef OPENSSL_NO_EC
106 || !ENGINE_set_EC(e, EC_KEY_OpenSSL())
107# endif
108# ifndef OPENSSL_NO_DH
109 || !ENGINE_set_DH(e, DH_get_default_method())
110# endif
111 || !ENGINE_set_RAND(e, RAND_OpenSSL())
112# ifdef TEST_ENG_OPENSSL_RC4
113 || !ENGINE_set_ciphers(e, openssl_ciphers)
114# endif
115# ifdef TEST_ENG_OPENSSL_SHA
116 || !ENGINE_set_digests(e, openssl_digests)
117# endif
118#endif
119#ifdef TEST_ENG_OPENSSL_PKEY
120 || !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
121#endif
122#ifdef TEST_ENG_OPENSSL_HMAC
123 || !ossl_register_hmac_meth()
124 || !ENGINE_set_pkey_meths(e, ossl_pkey_meths)
125#endif
126 )
127 return 0;
128 /*
129 * If we add errors to this ENGINE, ensure the error handling is setup
130 * here
131 */
132 /* openssl_load_error_strings(); */
133 return 1;
134}
135
136static ENGINE *engine_openssl(void)
137{
138 ENGINE *ret = ENGINE_new();
139 if (ret == NULL)
140 return NULL;
141 if (!bind_helper(ret)) {
142 ENGINE_free(ret);
143 return NULL;
144 }
145 return ret;
146}
147
148void engine_load_openssl_int(void)
149{
150 ENGINE *toadd = engine_openssl();
151 if (!toadd)
152 return;
153
154 ERR_set_mark();
155 ENGINE_add(toadd);
156 /*
157 * If the "add" worked, it gets a structural reference. So either way, we
158 * release our just-created reference.
159 */
160 ENGINE_free(toadd);
161 /*
162 * If the "add" didn't work, it was probably a conflict because it was
163 * already added (eg. someone calling ENGINE_load_blah then calling
164 * ENGINE_load_builtin_engines() perhaps).
165 */
166 ERR_pop_to_mark();
167}
168
169/*
170 * This stuff is needed if this ENGINE is being compiled into a
171 * self-contained shared-library.
172 */
173#ifdef ENGINE_DYNAMIC_SUPPORT
174static int bind_fn(ENGINE *e, const char *id)
175{
176 if (id && (strcmp(id, engine_openssl_id) != 0))
177 return 0;
178 if (!bind_helper(e))
179 return 0;
180 return 1;
181}
182
183IMPLEMENT_DYNAMIC_CHECK_FN()
184 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
185#endif /* ENGINE_DYNAMIC_SUPPORT */
186#ifdef TEST_ENG_OPENSSL_RC4
187/*-
188 * This section of code compiles an "alternative implementation" of two modes of
189 * RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4"
190 * should under normal circumstances go via this support rather than the default
191 * EVP support. There are other symbols to tweak the testing;
192 * TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time
193 * we're asked for a cipher we don't support (should not happen).
194 * TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time
195 * the "init_key" handler is called.
196 * TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler.
197 */
198# include <openssl/rc4.h>
199# define TEST_RC4_KEY_SIZE 16
200typedef struct {
201 unsigned char key[TEST_RC4_KEY_SIZE];
202 RC4_KEY ks;
203} TEST_RC4_KEY;
204# define test(ctx) ((TEST_RC4_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx))
205static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
206 const unsigned char *iv, int enc)
207{
208 const int n = EVP_CIPHER_CTX_get_key_length(ctx);
209
210# ifdef TEST_ENG_OPENSSL_RC4_P_INIT
211 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
212# endif
213 if (n <= 0)
214 return n;
215 memcpy(&test(ctx)->key[0], key, n);
216 RC4_set_key(&test(ctx)->ks, n, test(ctx)->key);
217 return 1;
218}
219
220static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
221 const unsigned char *in, size_t inl)
222{
223# ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
224 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
225# endif
226 RC4(&test(ctx)->ks, inl, in, out);
227 return 1;
228}
229
230static EVP_CIPHER *r4_cipher = NULL;
231static const EVP_CIPHER *test_r4_cipher(void)
232{
233 if (r4_cipher == NULL) {
234 EVP_CIPHER *cipher;
235
236 if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, TEST_RC4_KEY_SIZE)) == NULL
237 || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
238 || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
239 || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
240 || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
241 || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
242 EVP_CIPHER_meth_free(cipher);
243 cipher = NULL;
244 }
245 r4_cipher = cipher;
246 }
247 return r4_cipher;
248}
249static void test_r4_cipher_destroy(void)
250{
251 EVP_CIPHER_meth_free(r4_cipher);
252 r4_cipher = NULL;
253}
254
255static EVP_CIPHER *r4_40_cipher = NULL;
256static const EVP_CIPHER *test_r4_40_cipher(void)
257{
258 if (r4_40_cipher == NULL) {
259 EVP_CIPHER *cipher;
260
261 if ((cipher = EVP_CIPHER_meth_new(NID_rc4, 1, 5 /* 40 bits */)) == NULL
262 || !EVP_CIPHER_meth_set_iv_length(cipher, 0)
263 || !EVP_CIPHER_meth_set_flags(cipher, EVP_CIPH_VARIABLE_LENGTH)
264 || !EVP_CIPHER_meth_set_init(cipher, test_rc4_init_key)
265 || !EVP_CIPHER_meth_set_do_cipher(cipher, test_rc4_cipher)
266 || !EVP_CIPHER_meth_set_impl_ctx_size(cipher, sizeof(TEST_RC4_KEY))) {
267 EVP_CIPHER_meth_free(cipher);
268 cipher = NULL;
269 }
270 r4_40_cipher = cipher;
271 }
272 return r4_40_cipher;
273}
274static void test_r4_40_cipher_destroy(void)
275{
276 EVP_CIPHER_meth_free(r4_40_cipher);
277 r4_40_cipher = NULL;
278}
279static int test_cipher_nids(const int **nids)
280{
281 static int cipher_nids[4] = { 0, 0, 0, 0 };
282 static int pos = 0;
283 static int init = 0;
284
285 if (!init) {
286 const EVP_CIPHER *cipher;
287 if ((cipher = test_r4_cipher()) != NULL)
288 cipher_nids[pos++] = EVP_CIPHER_get_nid(cipher);
289 if ((cipher = test_r4_40_cipher()) != NULL)
290 cipher_nids[pos++] = EVP_CIPHER_get_nid(cipher);
291 cipher_nids[pos] = 0;
292 init = 1;
293 }
294 *nids = cipher_nids;
295 return pos;
296}
297
298static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
299 const int **nids, int nid)
300{
301 if (!cipher) {
302 /* We are returning a list of supported nids */
303 return test_cipher_nids(nids);
304 }
305 /* We are being asked for a specific cipher */
306 if (nid == NID_rc4)
307 *cipher = test_r4_cipher();
308 else if (nid == NID_rc4_40)
309 *cipher = test_r4_40_cipher();
310 else {
311# ifdef TEST_ENG_OPENSSL_RC4_OTHERS
312 fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
313 "nid %d\n", nid);
314# endif
315 *cipher = NULL;
316 return 0;
317 }
318 return 1;
319}
320#endif
321
322#ifdef TEST_ENG_OPENSSL_SHA
323/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
324# include <openssl/sha.h>
325
326static int test_sha1_init(EVP_MD_CTX *ctx)
327{
328# ifdef TEST_ENG_OPENSSL_SHA_P_INIT
329 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
330# endif
331 return SHA1_Init(EVP_MD_CTX_get0_md_data(ctx));
332}
333
334static int test_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
335{
336# ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
337 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
338# endif
339 return SHA1_Update(EVP_MD_CTX_get0_md_data(ctx), data, count);
340}
341
342static int test_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
343{
344# ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
345 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
346# endif
347 return SHA1_Final(md, EVP_MD_CTX_get0_md_data(ctx));
348}
349
350static EVP_MD *sha1_md = NULL;
351static const EVP_MD *test_sha_md(void)
352{
353 if (sha1_md == NULL) {
354 EVP_MD *md;
355
356 if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
357 || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
358 || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
359 || !EVP_MD_meth_set_app_datasize(md,
360 sizeof(EVP_MD *) + sizeof(SHA_CTX))
361 || !EVP_MD_meth_set_flags(md, 0)
362 || !EVP_MD_meth_set_init(md, test_sha1_init)
363 || !EVP_MD_meth_set_update(md, test_sha1_update)
364 || !EVP_MD_meth_set_final(md, test_sha1_final)) {
365 EVP_MD_meth_free(md);
366 md = NULL;
367 }
368 sha1_md = md;
369 }
370 return sha1_md;
371}
372static void test_sha_md_destroy(void)
373{
374 EVP_MD_meth_free(sha1_md);
375 sha1_md = NULL;
376}
377static int test_digest_nids(const int **nids)
378{
379 static int digest_nids[2] = { 0, 0 };
380 static int pos = 0;
381 static int init = 0;
382
383 if (!init) {
384 const EVP_MD *md;
385 if ((md = test_sha_md()) != NULL)
386 digest_nids[pos++] = EVP_MD_get_type(md);
387 digest_nids[pos] = 0;
388 init = 1;
389 }
390 *nids = digest_nids;
391 return pos;
392}
393
394static int openssl_digests(ENGINE *e, const EVP_MD **digest,
395 const int **nids, int nid)
396{
397 if (!digest) {
398 /* We are returning a list of supported nids */
399 return test_digest_nids(nids);
400 }
401 /* We are being asked for a specific digest */
402 if (nid == NID_sha1)
403 *digest = test_sha_md();
404 else {
405# ifdef TEST_ENG_OPENSSL_SHA_OTHERS
406 fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
407 "nid %d\n", nid);
408# endif
409 *digest = NULL;
410 return 0;
411 }
412 return 1;
413}
414#endif
415
416#ifdef TEST_ENG_OPENSSL_PKEY
417static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
418 UI_METHOD *ui_method,
419 void *callback_data)
420{
421 BIO *in;
422 EVP_PKEY *key;
423 fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n",
424 key_id);
425 in = BIO_new_file(key_id, "r");
426 if (!in)
427 return NULL;
428 key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
429 BIO_free(in);
430 return key;
431}
432#endif
433
434#ifdef TEST_ENG_OPENSSL_HMAC
435
436/*
437 * Experimental HMAC redirection implementation: mainly copied from
438 * hm_pmeth.c
439 */
440
441/* HMAC pkey context structure */
442
443typedef struct {
444 const EVP_MD *md; /* MD for HMAC use */
445 ASN1_OCTET_STRING ktmp; /* Temp storage for key */
446 HMAC_CTX *ctx;
447} OSSL_HMAC_PKEY_CTX;
448
449static int ossl_hmac_init(EVP_PKEY_CTX *ctx)
450{
451 OSSL_HMAC_PKEY_CTX *hctx;
452
453 if ((hctx = OPENSSL_zalloc(sizeof(*hctx))) == NULL) {
454 ERR_raise(ERR_LIB_ENGINE, ERR_R_MALLOC_FAILURE);
455 return 0;
456 }
457 hctx->ktmp.type = V_ASN1_OCTET_STRING;
458 hctx->ctx = HMAC_CTX_new();
459 if (hctx->ctx == NULL) {
460 OPENSSL_free(hctx);
461 return 0;
462 }
463 EVP_PKEY_CTX_set_data(ctx, hctx);
464 EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);
465# ifdef TEST_ENG_OPENSSL_HMAC_INIT
466 fprintf(stderr, "(TEST_ENG_OPENSSL_HMAC) ossl_hmac_init() called\n");
467# endif
468 return 1;
469}
470
471static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx);
472
473static int ossl_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
474{
475 OSSL_HMAC_PKEY_CTX *sctx, *dctx;
476
477 /* allocate memory for dst->data and a new HMAC_CTX in dst->data->ctx */
478 if (!ossl_hmac_init(dst))
479 return 0;
480 sctx = EVP_PKEY_CTX_get_data(src);
481 dctx = EVP_PKEY_CTX_get_data(dst);
482 dctx->md = sctx->md;
483 if (!HMAC_CTX_copy(dctx->ctx, sctx->ctx))
484 goto err;
485 if (sctx->ktmp.data) {
486 if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
487 sctx->ktmp.data, sctx->ktmp.length))
488 goto err;
489 }
490 return 1;
491err:
492 /* release HMAC_CTX in dst->data->ctx and memory allocated for dst->data */
493 ossl_hmac_cleanup(dst);
494 return 0;
495}
496
497static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx)
498{
499 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
500
501 if (hctx) {
502 HMAC_CTX_free(hctx->ctx);
503 OPENSSL_clear_free(hctx->ktmp.data, hctx->ktmp.length);
504 OPENSSL_free(hctx);
505 EVP_PKEY_CTX_set_data(ctx, NULL);
506 }
507}
508
509static int ossl_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
510{
511 ASN1_OCTET_STRING *hkey = NULL;
512 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
513 if (!hctx->ktmp.data)
514 return 0;
515 hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
516 if (!hkey)
517 return 0;
518 EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
519
520 return 1;
521}
522
523static int ossl_int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
524{
525 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(EVP_MD_CTX_get_pkey_ctx(ctx));
526 if (!HMAC_Update(hctx->ctx, data, count))
527 return 0;
528 return 1;
529}
530
531static int ossl_hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
532{
533 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
534 EVP_MD_CTX_set_update_fn(mctx, ossl_int_update);
535 return 1;
536}
537
538static int ossl_hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
539 size_t *siglen, EVP_MD_CTX *mctx)
540{
541 unsigned int hlen;
542 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
543 int l = EVP_MD_CTX_get_size(mctx);
544
545 if (l < 0)
546 return 0;
547 *siglen = l;
548 if (!sig)
549 return 1;
550
551 if (!HMAC_Final(hctx->ctx, sig, &hlen))
552 return 0;
553 *siglen = (size_t)hlen;
554 return 1;
555}
556
557static int ossl_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
558{
559 OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
560 EVP_PKEY *pk;
561 ASN1_OCTET_STRING *key;
562 switch (type) {
563
564 case EVP_PKEY_CTRL_SET_MAC_KEY:
565 if ((!p2 && p1 > 0) || (p1 < -1))
566 return 0;
567 if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
568 return 0;
569 break;
570
571 case EVP_PKEY_CTRL_MD:
572 hctx->md = p2;
573 break;
574
575 case EVP_PKEY_CTRL_DIGESTINIT:
576 pk = EVP_PKEY_CTX_get0_pkey(ctx);
577 key = EVP_PKEY_get0(pk);
578 if (!HMAC_Init_ex(hctx->ctx, key->data, key->length, hctx->md, NULL))
579 return 0;
580 break;
581
582 default:
583 return -2;
584
585 }
586 return 1;
587}
588
589static int ossl_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
590 const char *type, const char *value)
591{
592 if (!value) {
593 return 0;
594 }
595 if (strcmp(type, "key") == 0) {
596 void *p = (void *)value;
597 return ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
598 }
599 if (strcmp(type, "hexkey") == 0) {
600 unsigned char *key;
601 int r;
602 long keylen;
603 key = OPENSSL_hexstr2buf(value, &keylen);
604 if (!key)
605 return 0;
606 r = ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
607 OPENSSL_free(key);
608 return r;
609 }
610 return -2;
611}
612
613static EVP_PKEY_METHOD *ossl_hmac_meth;
614
615static int ossl_register_hmac_meth(void)
616{
617 EVP_PKEY_METHOD *meth;
618 meth = EVP_PKEY_meth_new(EVP_PKEY_HMAC, 0);
619 if (meth == NULL)
620 return 0;
621 EVP_PKEY_meth_set_init(meth, ossl_hmac_init);
622 EVP_PKEY_meth_set_copy(meth, ossl_hmac_copy);
623 EVP_PKEY_meth_set_cleanup(meth, ossl_hmac_cleanup);
624
625 EVP_PKEY_meth_set_keygen(meth, 0, ossl_hmac_keygen);
626
627 EVP_PKEY_meth_set_signctx(meth, ossl_hmac_signctx_init,
628 ossl_hmac_signctx);
629
630 EVP_PKEY_meth_set_ctrl(meth, ossl_hmac_ctrl, ossl_hmac_ctrl_str);
631 ossl_hmac_meth = meth;
632 return 1;
633}
634
635static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
636 const int **nids, int nid)
637{
638 static int ossl_pkey_nids[] = {
639 EVP_PKEY_HMAC,
640 0
641 };
642
643 if (pmeth == NULL) {
644 *nids = ossl_pkey_nids;
645 return 1;
646 }
647
648 if (nid == EVP_PKEY_HMAC) {
649 *pmeth = ossl_hmac_meth;
650 return 1;
651 }
652
653 *pmeth = NULL;
654 return 0;
655}
656
657#endif
658
659int openssl_destroy(ENGINE *e)
660{
661 test_sha_md_destroy();
662#ifdef TEST_ENG_OPENSSL_RC4
663 test_r4_cipher_destroy();
664 test_r4_40_cipher_destroy();
665#endif
666 return 1;
667}
668
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