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Don't ignore passed ENGINE.
[thirdparty/openssl.git] / crypto / evp / pmeth_lib.c
CommitLineData
0f113f3e 1/*
3f5616d7 2 * Copyright 2006-2017 The OpenSSL Project Authors. All Rights Reserved.
0b6f3c66 3 *
62867571
RS		 4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
0b6f3c66
DSH		 8 */
9
10#include <stdio.h>
11#include <stdlib.h>
b39fc560 12#include "internal/cryptlib.h"
3c27208f 13#include <openssl/engine.h>
33bed28b 14#include <openssl/evp.h>
99119000 15#include <openssl/x509v3.h>
5fe736e5 16#include "internal/asn1_int.h"
27af42f9 17#include "internal/evp_int.h"
99119000 18#include "internal/numbers.h"
0b6f3c66 19
0f113f3e 20typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
5ce278a7 21
df2ee0e2 22static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
0b6f3c66 23
cefa762e 24/* This array needs to be in order of NIDs */
0f113f3e 25static const EVP_PKEY_METHOD *standard_methods[] = {
d4f0339c 26#ifndef OPENSSL_NO_RSA
0f113f3e 27 &rsa_pkey_meth,
d4f0339c
DSH		 28#endif
29#ifndef OPENSSL_NO_DH
0f113f3e 30 &dh_pkey_meth,
d4f0339c
DSH		 31#endif
32#ifndef OPENSSL_NO_DSA
0f113f3e 33 &dsa_pkey_meth,
d4f0339c 34#endif
ef236ec3 35#ifndef OPENSSL_NO_EC
0f113f3e 36 &ec_pkey_meth,
ef236ec3 37#endif
0f113f3e 38 &hmac_pkey_meth,
b4a3aeeb 39#ifndef OPENSSL_NO_CMAC
0f113f3e 40 &cmac_pkey_meth,
b4a3aeeb 41#endif
6577e008
DSH		 42#ifndef OPENSSL_NO_RSA
43 &rsa_pss_pkey_meth,
44#endif
afb14cda 45#ifndef OPENSSL_NO_DH
1eff3485 46 &dhx_pkey_meth,
cefa762e
JB		 47#endif
48#ifndef OPENSSL_NO_SCRYPT
49 &scrypt_pkey_meth,
afb14cda 50#endif
aacfb134 51 &tls1_prf_pkey_meth,
262bd85f
DSH		 52#ifndef OPENSSL_NO_EC
53 &ecx25519_pkey_meth,
54#endif
52ad5b60
TS		 55 &hkdf_pkey_meth,
56#ifndef OPENSSL_NO_POLY1305
57 &poly1305_pkey_meth,
58#endif
3f5616d7
TS		 59#ifndef OPENSSL_NO_SIPHASH
60 &siphash_pkey_meth,
61#endif
42a3008a
DSH		 62#ifndef OPENSSL_NO_EC
63 &ed25519_pkey_meth,
64#endif
0f113f3e 65};
0b6f3c66 66
606f6c47 67DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 68 pmeth);
babb3798 69
0f113f3e
MC		 70static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
71 const EVP_PKEY_METHOD *const *b)
72{
73 return ((*a)->pkey_id - (*b)->pkey_id);
74}
0b6f3c66 75
606f6c47 76IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 77 pmeth);
babb3798 78
c9777d26 79const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
0f113f3e
MC		 80{
81 EVP_PKEY_METHOD tmp;
82 const EVP_PKEY_METHOD *t = &tmp, **ret;
83 tmp.pkey_id = type;
84 if (app_pkey_methods) {
85 int idx;
86 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
87 if (idx >= 0)
88 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
89 }
90 ret = OBJ_bsearch_pmeth(&t, standard_methods,
91 sizeof(standard_methods) /
92 sizeof(EVP_PKEY_METHOD *));
93 if (!ret || !*ret)
94 return NULL;
95 return *ret;
96}
0b6f3c66 97
f5cda4cb 98static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
0f113f3e
MC		 99{
100 EVP_PKEY_CTX *ret;
101 const EVP_PKEY_METHOD *pmeth;
102 if (id == -1) {
103 if (!pkey || !pkey->ameth)
104 return NULL;
105 id = pkey->ameth->pkey_id;
106 }
a63bf2c5 107#ifndef OPENSSL_NO_ENGINE
c2976edf 108 if (e == NULL && pkey != NULL)
0f113f3e
MC		 109 e = pkey->engine;
110 /* Try to find an ENGINE which implements this method */
111 if (e) {
112 if (!ENGINE_init(e)) {
113 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
114 return NULL;
115 }
c2976edf 116 } else {
0f113f3e 117 e = ENGINE_get_pkey_meth_engine(id);
c2976edf 118 }
0f113f3e
MC		 119
120 /*
0d4fb843 121 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 122 * tables.
123 */
124
125 if (e)
126 pmeth = ENGINE_get_pkey_meth(e, id);
127 else
a63bf2c5 128#endif
0f113f3e 129 pmeth = EVP_PKEY_meth_find(id);
c9777d26 130
0f113f3e
MC		 131 if (pmeth == NULL) {
132 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
133 return NULL;
134 }
c9777d26 135
64b25758 136 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 137 if (ret == NULL) {
a63bf2c5 138#ifndef OPENSSL_NO_ENGINE
7c96dbcd 139 ENGINE_finish(e);
a63bf2c5 140#endif
0f113f3e
MC		 141 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
142 return NULL;
143 }
144 ret->engine = e;
145 ret->pmeth = pmeth;
146 ret->operation = EVP_PKEY_OP_UNDEFINED;
147 ret->pkey = pkey;
0f113f3e 148 if (pkey)
03273d61 149 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 150
151 if (pmeth->init) {
152 if (pmeth->init(ret) <= 0) {
83b4049a 153 ret->pmeth = NULL;
0f113f3e
MC		 154 EVP_PKEY_CTX_free(ret);
155 return NULL;
156 }
157 }
158
159 return ret;
160}
161
162EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
163{
164 EVP_PKEY_METHOD *pmeth;
b4faea50 165
b51bce94 166 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
90945fa3 167 if (pmeth == NULL)
0f113f3e
MC		 168 return NULL;
169
0f113f3e
MC		 170 pmeth->pkey_id = id;
171 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 172 return pmeth;
173}
ba30bad5 174
f830c68f 175void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 176 const EVP_PKEY_METHOD *meth)
177{
178 if (ppkey_id)
179 *ppkey_id = meth->pkey_id;
180 if (pflags)
181 *pflags = meth->flags;
182}
f830c68f
DSH		 183
184void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 185{
f830c68f 186
0f113f3e
MC		 187 dst->init = src->init;
188 dst->copy = src->copy;
189 dst->cleanup = src->cleanup;
f830c68f 190
0f113f3e
MC		 191 dst->paramgen_init = src->paramgen_init;
192 dst->paramgen = src->paramgen;
f830c68f 193
0f113f3e
MC		 194 dst->keygen_init = src->keygen_init;
195 dst->keygen = src->keygen;
f830c68f 196
0f113f3e
MC		 197 dst->sign_init = src->sign_init;
198 dst->sign = src->sign;
f830c68f 199
0f113f3e
MC		 200 dst->verify_init = src->verify_init;
201 dst->verify = src->verify;
f830c68f 202
0f113f3e
MC		 203 dst->verify_recover_init = src->verify_recover_init;
204 dst->verify_recover = src->verify_recover;
f830c68f 205
0f113f3e
MC		 206 dst->signctx_init = src->signctx_init;
207 dst->signctx = src->signctx;
f830c68f 208
0f113f3e
MC		 209 dst->verifyctx_init = src->verifyctx_init;
210 dst->verifyctx = src->verifyctx;
f830c68f 211
0f113f3e
MC		 212 dst->encrypt_init = src->encrypt_init;
213 dst->encrypt = src->encrypt;
f830c68f 214
0f113f3e
MC		 215 dst->decrypt_init = src->decrypt_init;
216 dst->decrypt = src->decrypt;
f830c68f 217
0f113f3e
MC		 218 dst->derive_init = src->derive_init;
219 dst->derive = src->derive;
f830c68f 220
0f113f3e
MC		 221 dst->ctrl = src->ctrl;
222 dst->ctrl_str = src->ctrl_str;
2aee35d3
PY		 223
224 dst->check = src->check;
0f113f3e 225}
f830c68f 226
ba30bad5 227void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 228{
229 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
230 OPENSSL_free(pmeth);
231}
ba30bad5 232
f5cda4cb 233EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 234{
235 return int_ctx_new(pkey, e, -1);
236}
f5cda4cb
DSH		 237
238EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 239{
240 return int_ctx_new(NULL, e, id);
241}
f5cda4cb 242
8bdcef40 243EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
0f113f3e
MC		 244{
245 EVP_PKEY_CTX *rctx;
246 if (!pctx->pmeth || !pctx->pmeth->copy)
247 return NULL;
c9777d26 248#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 249 /* Make sure it's safe to copy a pkey context using an ENGINE */
250 if (pctx->engine && !ENGINE_init(pctx->engine)) {
251 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
252 return 0;
253 }
c9777d26 254#endif
b4faea50 255 rctx = OPENSSL_malloc(sizeof(*rctx));
90945fa3 256 if (rctx == NULL)
0f113f3e 257 return NULL;
8bdcef40 258
0f113f3e 259 rctx->pmeth = pctx->pmeth;
c9777d26 260#ifndef OPENSSL_NO_ENGINE
0f113f3e 261 rctx->engine = pctx->engine;
c9777d26 262#endif
8bdcef40 263
0f113f3e 264 if (pctx->pkey)
03273d61 265 EVP_PKEY_up_ref(pctx->pkey);
944f8580 266
0f113f3e 267 rctx->pkey = pctx->pkey;
8bdcef40 268
0f113f3e 269 if (pctx->peerkey)
03273d61 270 EVP_PKEY_up_ref(pctx->peerkey);
944f8580 271
0f113f3e 272 rctx->peerkey = pctx->peerkey;
8bdcef40 273
0f113f3e
MC		 274 rctx->data = NULL;
275 rctx->app_data = NULL;
276 rctx->operation = pctx->operation;
8bdcef40 277
0f113f3e
MC		 278 if (pctx->pmeth->copy(rctx, pctx) > 0)
279 return rctx;
8bdcef40 280
83b4049a 281 rctx->pmeth = NULL;
0f113f3e
MC		 282 EVP_PKEY_CTX_free(rctx);
283 return NULL;
8bdcef40 284
0f113f3e 285}
8bdcef40 286
ba30bad5 287int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 288{
289 if (app_pkey_methods == NULL) {
290 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
90945fa3 291 if (app_pkey_methods == NULL)
0f113f3e
MC		 292 return 0;
293 }
294 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
295 return 0;
296 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
297 return 1;
298}
ba30bad5 299
0822e89a
PY		 300void evp_app_cleanup_int(void)
301{
302 if (app_pkey_methods != NULL)
303 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
304}
305
306int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
307{
308 const EVP_PKEY_METHOD *ret;
309
310 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
311
312 return ret == NULL ? 0 : 1;
313}
314
48ed9c23
DSH		 315size_t EVP_PKEY_meth_get_count(void)
316{
317 size_t rv = OSSL_NELEM(standard_methods);
318
319 if (app_pkey_methods)
320 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
321 return rv;
322}
323
324const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
325{
326 if (idx < OSSL_NELEM(standard_methods))
327 return standard_methods[idx];
328 if (app_pkey_methods == NULL)
329 return NULL;
330 idx -= OSSL_NELEM(standard_methods);
331 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
332 return NULL;
333 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
334}
335
5da98aa6 336void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 337{
338 if (ctx == NULL)
339 return;
340 if (ctx->pmeth && ctx->pmeth->cleanup)
341 ctx->pmeth->cleanup(ctx);
c5ba2d99
RS		 342 EVP_PKEY_free(ctx->pkey);
343 EVP_PKEY_free(ctx->peerkey);
c9777d26 344#ifndef OPENSSL_NO_ENGINE
7c96dbcd 345 ENGINE_finish(ctx->engine);
c9777d26 346#endif
0f113f3e
MC		 347 OPENSSL_free(ctx);
348}
5da98aa6 349
0b6f3c66 350int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 351 int cmd, int p1, void *p2)
352{
353 int ret;
354 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
355 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
356 return -2;
357 }
358 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
359 return -1;
360
361 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
362 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
363 return -1;
364 }
365
366 if ((optype != -1) && !(ctx->operation & optype)) {
367 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
368 return -1;
369 }
370
371 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
372
373 if (ret == -2)
374 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
375
376 return ret;
377
378}
0b6f3c66 379
cefa762e 380int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 381 int cmd, uint64_t value)
cefa762e
JB		 382{
383 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
384}
385
4a3dc3c0 386int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 387 const char *name, const char *value)
388{
389 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
390 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
391 return -2;
392 }
410877ba
DSH		 393 if (strcmp(name, "digest") == 0)
394 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
395 value);
0f113f3e
MC		 396 return ctx->pmeth->ctrl_str(ctx, name, value);
397}
f5cda4cb 398
99119000
DSH		 399/* Utility functions to send a string of hex string to a ctrl */
400
401int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
402{
403 size_t len;
404
405 len = strlen(str);
406 if (len > INT_MAX)
407 return -1;
408 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
409}
410
411int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
412{
413 unsigned char *bin;
414 long binlen;
415 int rv = -1;
416
14f051a0 417 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 418 if (bin == NULL)
419 return 0;
420 if (binlen <= INT_MAX)
421 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
422 OPENSSL_free(bin);
423 return rv;
424}
52ad523c 425
410877ba
DSH		 426/* Pass a message digest to a ctrl */
427int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
428{
429 const EVP_MD *m;
c82bafc5 430
410877ba
DSH		 431 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
432 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
433 return 0;
434 }
435 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
436}
99119000 437
b28dea4e 438int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 439{
440 return ctx->operation;
441}
b28dea4e
DSH		 442
443void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 444{
445 ctx->keygen_info = dat;
446 ctx->keygen_info_count = datlen;
447}
b28dea4e 448
f5cda4cb 449void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 450{
451 ctx->data = data;
452}
f5cda4cb
DSH		 453
454void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 455{
456 return ctx->data;
457}
f5cda4cb 458
81cebb8b 459EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 460{
461 return ctx->pkey;
462}
81cebb8b 463
0e1dba93 464EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 465{
466 return ctx->peerkey;
467}
468
f5cda4cb 469void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 470{
471 ctx->app_data = data;
472}
f5cda4cb
DSH		 473
474void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 475{
476 return ctx->app_data;
477}
ba30bad5
DSH		 478
479void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 480 int (*init) (EVP_PKEY_CTX *ctx))
481{
482 pmeth->init = init;
483}
8bdcef40
DSH		 484
485void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 486 int (*copy) (EVP_PKEY_CTX *dst,
487 EVP_PKEY_CTX *src))
488{
489 pmeth->copy = copy;
490}
ba30bad5
DSH		 491
492void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 493 void (*cleanup) (EVP_PKEY_CTX *ctx))
494{
495 pmeth->cleanup = cleanup;
496}
ba30bad5
DSH		 497
498void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 499 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
500 int (*paramgen) (EVP_PKEY_CTX *ctx,
501 EVP_PKEY *pkey))
502{
503 pmeth->paramgen_init = paramgen_init;
504 pmeth->paramgen = paramgen;
505}
ba30bad5
DSH		 506
507void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 508 int (*keygen_init) (EVP_PKEY_CTX *ctx),
509 int (*keygen) (EVP_PKEY_CTX *ctx,
510 EVP_PKEY *pkey))
511{
512 pmeth->keygen_init = keygen_init;
513 pmeth->keygen = keygen;
514}
ba30bad5
DSH		 515
516void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 517 int (*sign_init) (EVP_PKEY_CTX *ctx),
518 int (*sign) (EVP_PKEY_CTX *ctx,
519 unsigned char *sig, size_t *siglen,
520 const unsigned char *tbs,
521 size_t tbslen))
522{
523 pmeth->sign_init = sign_init;
524 pmeth->sign = sign;
525}
ba30bad5
DSH		 526
527void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 528 int (*verify_init) (EVP_PKEY_CTX *ctx),
529 int (*verify) (EVP_PKEY_CTX *ctx,
530 const unsigned char *sig,
531 size_t siglen,
532 const unsigned char *tbs,
533 size_t tbslen))
534{
535 pmeth->verify_init = verify_init;
536 pmeth->verify = verify;
537}
ba30bad5
DSH		 538
539void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 540 int (*verify_recover_init) (EVP_PKEY_CTX
541 *ctx),
542 int (*verify_recover) (EVP_PKEY_CTX
543 *ctx,
544 unsigned char
545 *sig,
546 size_t *siglen,
547 const unsigned
548 char *tbs,
549 size_t tbslen))
550{
551 pmeth->verify_recover_init = verify_recover_init;
552 pmeth->verify_recover = verify_recover;
553}
ba30bad5
DSH		 554
555void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 556 int (*signctx_init) (EVP_PKEY_CTX *ctx,
557 EVP_MD_CTX *mctx),
558 int (*signctx) (EVP_PKEY_CTX *ctx,
559 unsigned char *sig,
560 size_t *siglen,
561 EVP_MD_CTX *mctx))
562{
563 pmeth->signctx_init = signctx_init;
564 pmeth->signctx = signctx;
565}
ba30bad5
DSH		 566
567void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 568 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
569 EVP_MD_CTX *mctx),
570 int (*verifyctx) (EVP_PKEY_CTX *ctx,
571 const unsigned char *sig,
572 int siglen,
573 EVP_MD_CTX *mctx))
574{
575 pmeth->verifyctx_init = verifyctx_init;
576 pmeth->verifyctx = verifyctx;
577}
ba30bad5
DSH		 578
579void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 580 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
581 int (*encryptfn) (EVP_PKEY_CTX *ctx,
582 unsigned char *out,
583 size_t *outlen,
584 const unsigned char *in,
585 size_t inlen))
586{
587 pmeth->encrypt_init = encrypt_init;
588 pmeth->encrypt = encryptfn;
589}
ba30bad5
DSH		 590
591void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 592 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
593 int (*decrypt) (EVP_PKEY_CTX *ctx,
594 unsigned char *out,
595 size_t *outlen,
596 const unsigned char *in,
597 size_t inlen))
598{
599 pmeth->decrypt_init = decrypt_init;
600 pmeth->decrypt = decrypt;
601}
ba30bad5
DSH		 602
603void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 604 int (*derive_init) (EVP_PKEY_CTX *ctx),
605 int (*derive) (EVP_PKEY_CTX *ctx,
606 unsigned char *key,
607 size_t *keylen))
608{
609 pmeth->derive_init = derive_init;
610 pmeth->derive = derive;
611}
ba30bad5
DSH		 612
613void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 614 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
615 void *p2),
616 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
617 const char *type,
618 const char *value))
619{
620 pmeth->ctrl = ctrl;
621 pmeth->ctrl_str = ctrl_str;
622}
e7451ed1 623
2aee35d3
PY		 624void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
625 int (*check) (EVP_PKEY *pkey))
626{
627 pmeth->check = check;
628}
629
e7451ed1
DSH		 630void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
631 int (**pinit) (EVP_PKEY_CTX *ctx))
632{
633 *pinit = pmeth->init;
634}
635
636void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
637 int (**pcopy) (EVP_PKEY_CTX *dst,
638 EVP_PKEY_CTX *src))
639{
640 *pcopy = pmeth->copy;
641}
642
643void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
644 void (**pcleanup) (EVP_PKEY_CTX *ctx))
645{
646 *pcleanup = pmeth->cleanup;
647}
648
649void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
650 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
651 int (**pparamgen) (EVP_PKEY_CTX *ctx,
652 EVP_PKEY *pkey))
653{
654 if (pparamgen_init)
655 *pparamgen_init = pmeth->paramgen_init;
656 if (pparamgen)
657 *pparamgen = pmeth->paramgen;
658}
659
660void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
661 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
662 int (**pkeygen) (EVP_PKEY_CTX *ctx,
663 EVP_PKEY *pkey))
664{
665 if (pkeygen_init)
666 *pkeygen_init = pmeth->keygen_init;
667 if (pkeygen)
668 *pkeygen = pmeth->keygen;
669}
670
671void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
672 int (**psign_init) (EVP_PKEY_CTX *ctx),
673 int (**psign) (EVP_PKEY_CTX *ctx,
674 unsigned char *sig, size_t *siglen,
675 const unsigned char *tbs,
676 size_t tbslen))
677{
678 if (psign_init)
679 *psign_init = pmeth->sign_init;
680 if (psign)
681 *psign = pmeth->sign;
682}
683
684void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
685 int (**pverify_init) (EVP_PKEY_CTX *ctx),
686 int (**pverify) (EVP_PKEY_CTX *ctx,
687 const unsigned char *sig,
688 size_t siglen,
689 const unsigned char *tbs,
690 size_t tbslen))
691{
692 if (pverify_init)
693 *pverify_init = pmeth->verify_init;
694 if (pverify)
695 *pverify = pmeth->verify;
696}
697
698void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
699 int (**pverify_recover_init) (EVP_PKEY_CTX
700 *ctx),
701 int (**pverify_recover) (EVP_PKEY_CTX
702 *ctx,
703 unsigned char
704 *sig,
705 size_t *siglen,
706 const unsigned
707 char *tbs,
708 size_t tbslen))
709{
710 if (pverify_recover_init)
711 *pverify_recover_init = pmeth->verify_recover_init;
712 if (pverify_recover)
713 *pverify_recover = pmeth->verify_recover;
714}
715
716void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
717 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
718 EVP_MD_CTX *mctx),
719 int (**psignctx) (EVP_PKEY_CTX *ctx,
720 unsigned char *sig,
721 size_t *siglen,
722 EVP_MD_CTX *mctx))
723{
724 if (psignctx_init)
725 *psignctx_init = pmeth->signctx_init;
726 if (psignctx)
727 *psignctx = pmeth->signctx;
728}
729
730void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
731 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
732 EVP_MD_CTX *mctx),
733 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
734 const unsigned char *sig,
735 int siglen,
736 EVP_MD_CTX *mctx))
737{
738 if (pverifyctx_init)
739 *pverifyctx_init = pmeth->verifyctx_init;
740 if (pverifyctx)
741 *pverifyctx = pmeth->verifyctx;
742}
743
744void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
745 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
746 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
747 unsigned char *out,
748 size_t *outlen,
749 const unsigned char *in,
750 size_t inlen))
751{
752 if (pencrypt_init)
753 *pencrypt_init = pmeth->encrypt_init;
754 if (pencryptfn)
755 *pencryptfn = pmeth->encrypt;
756}
757
758void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
759 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
760 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
761 unsigned char *out,
762 size_t *outlen,
763 const unsigned char *in,
764 size_t inlen))
765{
766 if (pdecrypt_init)
767 *pdecrypt_init = pmeth->decrypt_init;
768 if (pdecrypt)
769 *pdecrypt = pmeth->decrypt;
770}
771
772void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
773 int (**pderive_init) (EVP_PKEY_CTX *ctx),
774 int (**pderive) (EVP_PKEY_CTX *ctx,
775 unsigned char *key,
776 size_t *keylen))
777{
778 if (pderive_init)
779 *pderive_init = pmeth->derive_init;
780 if (pderive)
781 *pderive = pmeth->derive;
782}
783
784void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
785 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
786 void *p2),
787 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
788 const char *type,
789 const char *value))
790{
791 if (pctrl)
792 *pctrl = pmeth->ctrl;
793 if (pctrl_str)
794 *pctrl_str = pmeth->ctrl_str;
795}
2aee35d3
PY		 796
797void EVP_PKEY_meth_get_check(EVP_PKEY_METHOD *pmeth,
798 int (**pcheck) (EVP_PKEY *pkey))
799{
800 if (*pcheck)
801 *pcheck = pmeth->check;
802}
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