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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
0f113f3e
MC		 108 if (pkey && pkey->engine)
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 }
116 } else
117 e = ENGINE_get_pkey_meth_engine(id);
118
119 /*
0d4fb843 120 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 121 * tables.
122 */
123
124 if (e)
125 pmeth = ENGINE_get_pkey_meth(e, id);
126 else
a63bf2c5 127#endif
0f113f3e 128 pmeth = EVP_PKEY_meth_find(id);
c9777d26 129
0f113f3e
MC		 130 if (pmeth == NULL) {
131 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
132 return NULL;
133 }
c9777d26 134
64b25758 135 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 136 if (ret == NULL) {
a63bf2c5 137#ifndef OPENSSL_NO_ENGINE
7c96dbcd 138 ENGINE_finish(e);
a63bf2c5 139#endif
0f113f3e
MC		 140 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
141 return NULL;
142 }
143 ret->engine = e;
144 ret->pmeth = pmeth;
145 ret->operation = EVP_PKEY_OP_UNDEFINED;
146 ret->pkey = pkey;
0f113f3e 147 if (pkey)
03273d61 148 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 149
150 if (pmeth->init) {
151 if (pmeth->init(ret) <= 0) {
83b4049a 152 ret->pmeth = NULL;
0f113f3e
MC		 153 EVP_PKEY_CTX_free(ret);
154 return NULL;
155 }
156 }
157
158 return ret;
159}
160
161EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
162{
163 EVP_PKEY_METHOD *pmeth;
b4faea50 164
b51bce94 165 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
90945fa3 166 if (pmeth == NULL)
0f113f3e
MC		 167 return NULL;
168
0f113f3e
MC		 169 pmeth->pkey_id = id;
170 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 171 return pmeth;
172}
ba30bad5 173
f830c68f 174void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 175 const EVP_PKEY_METHOD *meth)
176{
177 if (ppkey_id)
178 *ppkey_id = meth->pkey_id;
179 if (pflags)
180 *pflags = meth->flags;
181}
f830c68f
DSH		 182
183void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 184{
f830c68f 185
0f113f3e
MC		 186 dst->init = src->init;
187 dst->copy = src->copy;
188 dst->cleanup = src->cleanup;
f830c68f 189
0f113f3e
MC		 190 dst->paramgen_init = src->paramgen_init;
191 dst->paramgen = src->paramgen;
f830c68f 192
0f113f3e
MC		 193 dst->keygen_init = src->keygen_init;
194 dst->keygen = src->keygen;
f830c68f 195
0f113f3e
MC		 196 dst->sign_init = src->sign_init;
197 dst->sign = src->sign;
f830c68f 198
0f113f3e
MC		 199 dst->verify_init = src->verify_init;
200 dst->verify = src->verify;
f830c68f 201
0f113f3e
MC		 202 dst->verify_recover_init = src->verify_recover_init;
203 dst->verify_recover = src->verify_recover;
f830c68f 204
0f113f3e
MC		 205 dst->signctx_init = src->signctx_init;
206 dst->signctx = src->signctx;
f830c68f 207
0f113f3e
MC		 208 dst->verifyctx_init = src->verifyctx_init;
209 dst->verifyctx = src->verifyctx;
f830c68f 210
0f113f3e
MC		 211 dst->encrypt_init = src->encrypt_init;
212 dst->encrypt = src->encrypt;
f830c68f 213
0f113f3e
MC		 214 dst->decrypt_init = src->decrypt_init;
215 dst->decrypt = src->decrypt;
f830c68f 216
0f113f3e
MC		 217 dst->derive_init = src->derive_init;
218 dst->derive = src->derive;
f830c68f 219
0f113f3e
MC		 220 dst->ctrl = src->ctrl;
221 dst->ctrl_str = src->ctrl_str;
222}
f830c68f 223
ba30bad5 224void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 225{
226 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
227 OPENSSL_free(pmeth);
228}
ba30bad5 229
f5cda4cb 230EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 231{
232 return int_ctx_new(pkey, e, -1);
233}
f5cda4cb
DSH		 234
235EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 236{
237 return int_ctx_new(NULL, e, id);
238}
f5cda4cb 239
8bdcef40 240EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
0f113f3e
MC		 241{
242 EVP_PKEY_CTX *rctx;
243 if (!pctx->pmeth || !pctx->pmeth->copy)
244 return NULL;
c9777d26 245#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 246 /* Make sure it's safe to copy a pkey context using an ENGINE */
247 if (pctx->engine && !ENGINE_init(pctx->engine)) {
248 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
249 return 0;
250 }
c9777d26 251#endif
b4faea50 252 rctx = OPENSSL_malloc(sizeof(*rctx));
90945fa3 253 if (rctx == NULL)
0f113f3e 254 return NULL;
8bdcef40 255
0f113f3e 256 rctx->pmeth = pctx->pmeth;
c9777d26 257#ifndef OPENSSL_NO_ENGINE
0f113f3e 258 rctx->engine = pctx->engine;
c9777d26 259#endif
8bdcef40 260
0f113f3e 261 if (pctx->pkey)
03273d61 262 EVP_PKEY_up_ref(pctx->pkey);
944f8580 263
0f113f3e 264 rctx->pkey = pctx->pkey;
8bdcef40 265
0f113f3e 266 if (pctx->peerkey)
03273d61 267 EVP_PKEY_up_ref(pctx->peerkey);
944f8580 268
0f113f3e 269 rctx->peerkey = pctx->peerkey;
8bdcef40 270
0f113f3e
MC		 271 rctx->data = NULL;
272 rctx->app_data = NULL;
273 rctx->operation = pctx->operation;
8bdcef40 274
0f113f3e
MC		 275 if (pctx->pmeth->copy(rctx, pctx) > 0)
276 return rctx;
8bdcef40 277
83b4049a 278 rctx->pmeth = NULL;
0f113f3e
MC		 279 EVP_PKEY_CTX_free(rctx);
280 return NULL;
8bdcef40 281
0f113f3e 282}
8bdcef40 283
ba30bad5 284int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 285{
286 if (app_pkey_methods == NULL) {
287 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
90945fa3 288 if (app_pkey_methods == NULL)
0f113f3e
MC		 289 return 0;
290 }
291 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
292 return 0;
293 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
294 return 1;
295}
ba30bad5 296
48ed9c23
DSH		 297size_t EVP_PKEY_meth_get_count(void)
298{
299 size_t rv = OSSL_NELEM(standard_methods);
300
301 if (app_pkey_methods)
302 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
303 return rv;
304}
305
306const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
307{
308 if (idx < OSSL_NELEM(standard_methods))
309 return standard_methods[idx];
310 if (app_pkey_methods == NULL)
311 return NULL;
312 idx -= OSSL_NELEM(standard_methods);
313 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
314 return NULL;
315 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
316}
317
5da98aa6 318void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 319{
320 if (ctx == NULL)
321 return;
322 if (ctx->pmeth && ctx->pmeth->cleanup)
323 ctx->pmeth->cleanup(ctx);
c5ba2d99
RS		 324 EVP_PKEY_free(ctx->pkey);
325 EVP_PKEY_free(ctx->peerkey);
c9777d26 326#ifndef OPENSSL_NO_ENGINE
7c96dbcd 327 ENGINE_finish(ctx->engine);
c9777d26 328#endif
0f113f3e
MC		 329 OPENSSL_free(ctx);
330}
5da98aa6 331
0b6f3c66 332int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 333 int cmd, int p1, void *p2)
334{
335 int ret;
336 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
337 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
338 return -2;
339 }
340 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
341 return -1;
342
343 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
344 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
345 return -1;
346 }
347
348 if ((optype != -1) && !(ctx->operation & optype)) {
349 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
350 return -1;
351 }
352
353 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
354
355 if (ret == -2)
356 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
357
358 return ret;
359
360}
0b6f3c66 361
cefa762e 362int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 363 int cmd, uint64_t value)
cefa762e
JB		 364{
365 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
366}
367
4a3dc3c0 368int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 369 const char *name, const char *value)
370{
371 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
372 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
373 return -2;
374 }
410877ba
DSH		 375 if (strcmp(name, "digest") == 0)
376 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
377 value);
0f113f3e
MC		 378 return ctx->pmeth->ctrl_str(ctx, name, value);
379}
f5cda4cb 380
99119000
DSH		 381/* Utility functions to send a string of hex string to a ctrl */
382
383int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
384{
385 size_t len;
386
387 len = strlen(str);
388 if (len > INT_MAX)
389 return -1;
390 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
391}
392
393int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
394{
395 unsigned char *bin;
396 long binlen;
397 int rv = -1;
398
14f051a0 399 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 400 if (bin == NULL)
401 return 0;
402 if (binlen <= INT_MAX)
403 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
404 OPENSSL_free(bin);
405 return rv;
406}
52ad523c 407
410877ba
DSH		 408/* Pass a message digest to a ctrl */
409int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
410{
411 const EVP_MD *m;
c82bafc5 412
410877ba
DSH		 413 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
414 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
415 return 0;
416 }
417 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
418}
99119000 419
b28dea4e 420int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 421{
422 return ctx->operation;
423}
b28dea4e
DSH		 424
425void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 426{
427 ctx->keygen_info = dat;
428 ctx->keygen_info_count = datlen;
429}
b28dea4e 430
f5cda4cb 431void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 432{
433 ctx->data = data;
434}
f5cda4cb
DSH		 435
436void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 437{
438 return ctx->data;
439}
f5cda4cb 440
81cebb8b 441EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 442{
443 return ctx->pkey;
444}
81cebb8b 445
0e1dba93 446EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 447{
448 return ctx->peerkey;
449}
450
f5cda4cb 451void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 452{
453 ctx->app_data = data;
454}
f5cda4cb
DSH		 455
456void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 457{
458 return ctx->app_data;
459}
ba30bad5
DSH		 460
461void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 462 int (*init) (EVP_PKEY_CTX *ctx))
463{
464 pmeth->init = init;
465}
8bdcef40
DSH		 466
467void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 468 int (*copy) (EVP_PKEY_CTX *dst,
469 EVP_PKEY_CTX *src))
470{
471 pmeth->copy = copy;
472}
ba30bad5
DSH		 473
474void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 475 void (*cleanup) (EVP_PKEY_CTX *ctx))
476{
477 pmeth->cleanup = cleanup;
478}
ba30bad5
DSH		 479
480void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 481 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
482 int (*paramgen) (EVP_PKEY_CTX *ctx,
483 EVP_PKEY *pkey))
484{
485 pmeth->paramgen_init = paramgen_init;
486 pmeth->paramgen = paramgen;
487}
ba30bad5
DSH		 488
489void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 490 int (*keygen_init) (EVP_PKEY_CTX *ctx),
491 int (*keygen) (EVP_PKEY_CTX *ctx,
492 EVP_PKEY *pkey))
493{
494 pmeth->keygen_init = keygen_init;
495 pmeth->keygen = keygen;
496}
ba30bad5
DSH		 497
498void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 499 int (*sign_init) (EVP_PKEY_CTX *ctx),
500 int (*sign) (EVP_PKEY_CTX *ctx,
501 unsigned char *sig, size_t *siglen,
502 const unsigned char *tbs,
503 size_t tbslen))
504{
505 pmeth->sign_init = sign_init;
506 pmeth->sign = sign;
507}
ba30bad5
DSH		 508
509void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 510 int (*verify_init) (EVP_PKEY_CTX *ctx),
511 int (*verify) (EVP_PKEY_CTX *ctx,
512 const unsigned char *sig,
513 size_t siglen,
514 const unsigned char *tbs,
515 size_t tbslen))
516{
517 pmeth->verify_init = verify_init;
518 pmeth->verify = verify;
519}
ba30bad5
DSH		 520
521void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 522 int (*verify_recover_init) (EVP_PKEY_CTX
523 *ctx),
524 int (*verify_recover) (EVP_PKEY_CTX
525 *ctx,
526 unsigned char
527 *sig,
528 size_t *siglen,
529 const unsigned
530 char *tbs,
531 size_t tbslen))
532{
533 pmeth->verify_recover_init = verify_recover_init;
534 pmeth->verify_recover = verify_recover;
535}
ba30bad5
DSH		 536
537void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 538 int (*signctx_init) (EVP_PKEY_CTX *ctx,
539 EVP_MD_CTX *mctx),
540 int (*signctx) (EVP_PKEY_CTX *ctx,
541 unsigned char *sig,
542 size_t *siglen,
543 EVP_MD_CTX *mctx))
544{
545 pmeth->signctx_init = signctx_init;
546 pmeth->signctx = signctx;
547}
ba30bad5
DSH		 548
549void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 550 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
551 EVP_MD_CTX *mctx),
552 int (*verifyctx) (EVP_PKEY_CTX *ctx,
553 const unsigned char *sig,
554 int siglen,
555 EVP_MD_CTX *mctx))
556{
557 pmeth->verifyctx_init = verifyctx_init;
558 pmeth->verifyctx = verifyctx;
559}
ba30bad5
DSH		 560
561void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 562 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
563 int (*encryptfn) (EVP_PKEY_CTX *ctx,
564 unsigned char *out,
565 size_t *outlen,
566 const unsigned char *in,
567 size_t inlen))
568{
569 pmeth->encrypt_init = encrypt_init;
570 pmeth->encrypt = encryptfn;
571}
ba30bad5
DSH		 572
573void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 574 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
575 int (*decrypt) (EVP_PKEY_CTX *ctx,
576 unsigned char *out,
577 size_t *outlen,
578 const unsigned char *in,
579 size_t inlen))
580{
581 pmeth->decrypt_init = decrypt_init;
582 pmeth->decrypt = decrypt;
583}
ba30bad5
DSH		 584
585void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 586 int (*derive_init) (EVP_PKEY_CTX *ctx),
587 int (*derive) (EVP_PKEY_CTX *ctx,
588 unsigned char *key,
589 size_t *keylen))
590{
591 pmeth->derive_init = derive_init;
592 pmeth->derive = derive;
593}
ba30bad5
DSH		 594
595void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 596 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
597 void *p2),
598 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
599 const char *type,
600 const char *value))
601{
602 pmeth->ctrl = ctrl;
603 pmeth->ctrl_str = ctrl_str;
604}
e7451ed1
DSH		 605
606void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
607 int (**pinit) (EVP_PKEY_CTX *ctx))
608{
609 *pinit = pmeth->init;
610}
611
612void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
613 int (**pcopy) (EVP_PKEY_CTX *dst,
614 EVP_PKEY_CTX *src))
615{
616 *pcopy = pmeth->copy;
617}
618
619void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
620 void (**pcleanup) (EVP_PKEY_CTX *ctx))
621{
622 *pcleanup = pmeth->cleanup;
623}
624
625void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
626 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
627 int (**pparamgen) (EVP_PKEY_CTX *ctx,
628 EVP_PKEY *pkey))
629{
630 if (pparamgen_init)
631 *pparamgen_init = pmeth->paramgen_init;
632 if (pparamgen)
633 *pparamgen = pmeth->paramgen;
634}
635
636void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
637 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
638 int (**pkeygen) (EVP_PKEY_CTX *ctx,
639 EVP_PKEY *pkey))
640{
641 if (pkeygen_init)
642 *pkeygen_init = pmeth->keygen_init;
643 if (pkeygen)
644 *pkeygen = pmeth->keygen;
645}
646
647void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
648 int (**psign_init) (EVP_PKEY_CTX *ctx),
649 int (**psign) (EVP_PKEY_CTX *ctx,
650 unsigned char *sig, size_t *siglen,
651 const unsigned char *tbs,
652 size_t tbslen))
653{
654 if (psign_init)
655 *psign_init = pmeth->sign_init;
656 if (psign)
657 *psign = pmeth->sign;
658}
659
660void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
661 int (**pverify_init) (EVP_PKEY_CTX *ctx),
662 int (**pverify) (EVP_PKEY_CTX *ctx,
663 const unsigned char *sig,
664 size_t siglen,
665 const unsigned char *tbs,
666 size_t tbslen))
667{
668 if (pverify_init)
669 *pverify_init = pmeth->verify_init;
670 if (pverify)
671 *pverify = pmeth->verify;
672}
673
674void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
675 int (**pverify_recover_init) (EVP_PKEY_CTX
676 *ctx),
677 int (**pverify_recover) (EVP_PKEY_CTX
678 *ctx,
679 unsigned char
680 *sig,
681 size_t *siglen,
682 const unsigned
683 char *tbs,
684 size_t tbslen))
685{
686 if (pverify_recover_init)
687 *pverify_recover_init = pmeth->verify_recover_init;
688 if (pverify_recover)
689 *pverify_recover = pmeth->verify_recover;
690}
691
692void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
693 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
694 EVP_MD_CTX *mctx),
695 int (**psignctx) (EVP_PKEY_CTX *ctx,
696 unsigned char *sig,
697 size_t *siglen,
698 EVP_MD_CTX *mctx))
699{
700 if (psignctx_init)
701 *psignctx_init = pmeth->signctx_init;
702 if (psignctx)
703 *psignctx = pmeth->signctx;
704}
705
706void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
707 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
708 EVP_MD_CTX *mctx),
709 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
710 const unsigned char *sig,
711 int siglen,
712 EVP_MD_CTX *mctx))
713{
714 if (pverifyctx_init)
715 *pverifyctx_init = pmeth->verifyctx_init;
716 if (pverifyctx)
717 *pverifyctx = pmeth->verifyctx;
718}
719
720void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
721 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
722 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
723 unsigned char *out,
724 size_t *outlen,
725 const unsigned char *in,
726 size_t inlen))
727{
728 if (pencrypt_init)
729 *pencrypt_init = pmeth->encrypt_init;
730 if (pencryptfn)
731 *pencryptfn = pmeth->encrypt;
732}
733
734void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
735 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
736 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
737 unsigned char *out,
738 size_t *outlen,
739 const unsigned char *in,
740 size_t inlen))
741{
742 if (pdecrypt_init)
743 *pdecrypt_init = pmeth->decrypt_init;
744 if (pdecrypt)
745 *pdecrypt = pmeth->decrypt;
746}
747
748void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
749 int (**pderive_init) (EVP_PKEY_CTX *ctx),
750 int (**pderive) (EVP_PKEY_CTX *ctx,
751 unsigned char *key,
752 size_t *keylen))
753{
754 if (pderive_init)
755 *pderive_init = pmeth->derive_init;
756 if (pderive)
757 *pderive = pmeth->derive;
758}
759
760void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
761 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
762 void *p2),
763 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
764 const char *type,
765 const char *value))
766{
767 if (pctrl)
768 *pctrl = pmeth->ctrl;
769 if (pctrl_str)
770 *pctrl_str = pmeth->ctrl_str;
771}
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