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Introduce EVP_MD_CTX_set_pkey_ctx
[thirdparty/openssl.git] / crypto / evp / pmeth_lib.c
CommitLineData
0f113f3e 1/*
b0edda11 2 * Copyright 2006-2018 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,
13735cfe 54 &ecx448_pkey_meth,
262bd85f 55#endif
52ad5b60
TS		 56 &hkdf_pkey_meth,
57#ifndef OPENSSL_NO_POLY1305
58 &poly1305_pkey_meth,
59#endif
3f5616d7
TS		 60#ifndef OPENSSL_NO_SIPHASH
61 &siphash_pkey_meth,
62#endif
42a3008a
DSH		 63#ifndef OPENSSL_NO_EC
64 &ed25519_pkey_meth,
13735cfe 65 &ed448_pkey_meth,
42a3008a 66#endif
ddb634fe
JL		 67#ifndef OPENSSL_NO_SM2
68 &sm2_pkey_meth,
69#endif
0f113f3e 70};
0b6f3c66 71
606f6c47 72DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 73 pmeth);
babb3798 74
0f113f3e
MC		 75static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
76 const EVP_PKEY_METHOD *const *b)
77{
78 return ((*a)->pkey_id - (*b)->pkey_id);
79}
0b6f3c66 80
606f6c47 81IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 82 pmeth);
babb3798 83
c9777d26 84const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
0f113f3e
MC		 85{
86 EVP_PKEY_METHOD tmp;
87 const EVP_PKEY_METHOD *t = &tmp, **ret;
88 tmp.pkey_id = type;
89 if (app_pkey_methods) {
90 int idx;
91 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
92 if (idx >= 0)
93 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
94 }
95 ret = OBJ_bsearch_pmeth(&t, standard_methods,
96 sizeof(standard_methods) /
97 sizeof(EVP_PKEY_METHOD *));
98 if (!ret || !*ret)
99 return NULL;
100 return *ret;
101}
0b6f3c66 102
f5cda4cb 103static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
0f113f3e
MC		 104{
105 EVP_PKEY_CTX *ret;
106 const EVP_PKEY_METHOD *pmeth;
2f2e6b62 107
0f113f3e 108 if (id == -1) {
a6465b3f
P		 109 if (pkey == NULL)
110 return 0;
2f2e6b62 111 id = pkey->type;
0f113f3e 112 }
a63bf2c5 113#ifndef OPENSSL_NO_ENGINE
c2976edf 114 if (e == NULL && pkey != NULL)
d19b01ad 115 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
0f113f3e
MC		 116 /* Try to find an ENGINE which implements this method */
117 if (e) {
118 if (!ENGINE_init(e)) {
119 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
120 return NULL;
121 }
c2976edf 122 } else {
0f113f3e 123 e = ENGINE_get_pkey_meth_engine(id);
c2976edf 124 }
0f113f3e
MC		 125
126 /*
0d4fb843 127 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 128 * tables.
129 */
0f113f3e
MC		 130 if (e)
131 pmeth = ENGINE_get_pkey_meth(e, id);
132 else
a63bf2c5 133#endif
0f113f3e 134 pmeth = EVP_PKEY_meth_find(id);
c9777d26 135
0f113f3e 136 if (pmeth == NULL) {
918a27fa
DSH		 137#ifndef OPENSSL_NO_ENGINE
138 ENGINE_finish(e);
139#endif
0f113f3e
MC		 140 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
141 return NULL;
142 }
c9777d26 143
64b25758 144 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 145 if (ret == NULL) {
a63bf2c5 146#ifndef OPENSSL_NO_ENGINE
7c96dbcd 147 ENGINE_finish(e);
a63bf2c5 148#endif
0f113f3e
MC		 149 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
150 return NULL;
151 }
152 ret->engine = e;
153 ret->pmeth = pmeth;
154 ret->operation = EVP_PKEY_OP_UNDEFINED;
155 ret->pkey = pkey;
a6465b3f 156 if (pkey != NULL)
03273d61 157 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 158
159 if (pmeth->init) {
160 if (pmeth->init(ret) <= 0) {
83b4049a 161 ret->pmeth = NULL;
0f113f3e
MC		 162 EVP_PKEY_CTX_free(ret);
163 return NULL;
164 }
165 }
166
167 return ret;
168}
169
170EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
171{
172 EVP_PKEY_METHOD *pmeth;
b4faea50 173
b51bce94 174 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
3484236d
F		 175 if (pmeth == NULL) {
176 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
0f113f3e 177 return NULL;
3484236d 178 }
0f113f3e 179
0f113f3e
MC		 180 pmeth->pkey_id = id;
181 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 182 return pmeth;
183}
ba30bad5 184
f830c68f 185void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 186 const EVP_PKEY_METHOD *meth)
187{
188 if (ppkey_id)
189 *ppkey_id = meth->pkey_id;
190 if (pflags)
191 *pflags = meth->flags;
192}
f830c68f
DSH		 193
194void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 195{
f830c68f 196
0f113f3e
MC		 197 dst->init = src->init;
198 dst->copy = src->copy;
199 dst->cleanup = src->cleanup;
f830c68f 200
0f113f3e
MC		 201 dst->paramgen_init = src->paramgen_init;
202 dst->paramgen = src->paramgen;
f830c68f 203
0f113f3e
MC		 204 dst->keygen_init = src->keygen_init;
205 dst->keygen = src->keygen;
f830c68f 206
0f113f3e
MC		 207 dst->sign_init = src->sign_init;
208 dst->sign = src->sign;
f830c68f 209
0f113f3e
MC		 210 dst->verify_init = src->verify_init;
211 dst->verify = src->verify;
f830c68f 212
0f113f3e
MC		 213 dst->verify_recover_init = src->verify_recover_init;
214 dst->verify_recover = src->verify_recover;
f830c68f 215
0f113f3e
MC		 216 dst->signctx_init = src->signctx_init;
217 dst->signctx = src->signctx;
f830c68f 218
0f113f3e
MC		 219 dst->verifyctx_init = src->verifyctx_init;
220 dst->verifyctx = src->verifyctx;
f830c68f 221
0f113f3e
MC		 222 dst->encrypt_init = src->encrypt_init;
223 dst->encrypt = src->encrypt;
f830c68f 224
0f113f3e
MC		 225 dst->decrypt_init = src->decrypt_init;
226 dst->decrypt = src->decrypt;
f830c68f 227
0f113f3e
MC		 228 dst->derive_init = src->derive_init;
229 dst->derive = src->derive;
f830c68f 230
0f113f3e
MC		 231 dst->ctrl = src->ctrl;
232 dst->ctrl_str = src->ctrl_str;
2aee35d3
PY		 233
234 dst->check = src->check;
0f113f3e 235}
f830c68f 236
ba30bad5 237void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 238{
239 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
240 OPENSSL_free(pmeth);
241}
ba30bad5 242
f5cda4cb 243EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 244{
245 return int_ctx_new(pkey, e, -1);
246}
f5cda4cb
DSH		 247
248EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 249{
250 return int_ctx_new(NULL, e, id);
251}
f5cda4cb 252
8bdcef40 253EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
0f113f3e
MC		 254{
255 EVP_PKEY_CTX *rctx;
256 if (!pctx->pmeth || !pctx->pmeth->copy)
257 return NULL;
c9777d26 258#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 259 /* Make sure it's safe to copy a pkey context using an ENGINE */
260 if (pctx->engine && !ENGINE_init(pctx->engine)) {
261 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
262 return 0;
263 }
c9777d26 264#endif
b4faea50 265 rctx = OPENSSL_malloc(sizeof(*rctx));
3484236d
F		 266 if (rctx == NULL) {
267 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
0f113f3e 268 return NULL;
3484236d 269 }
8bdcef40 270
0f113f3e 271 rctx->pmeth = pctx->pmeth;
c9777d26 272#ifndef OPENSSL_NO_ENGINE
0f113f3e 273 rctx->engine = pctx->engine;
c9777d26 274#endif
8bdcef40 275
0f113f3e 276 if (pctx->pkey)
03273d61 277 EVP_PKEY_up_ref(pctx->pkey);
944f8580 278
0f113f3e 279 rctx->pkey = pctx->pkey;
8bdcef40 280
0f113f3e 281 if (pctx->peerkey)
03273d61 282 EVP_PKEY_up_ref(pctx->peerkey);
944f8580 283
0f113f3e 284 rctx->peerkey = pctx->peerkey;
8bdcef40 285
0f113f3e
MC		 286 rctx->data = NULL;
287 rctx->app_data = NULL;
288 rctx->operation = pctx->operation;
8bdcef40 289
0f113f3e
MC		 290 if (pctx->pmeth->copy(rctx, pctx) > 0)
291 return rctx;
8bdcef40 292
83b4049a 293 rctx->pmeth = NULL;
0f113f3e
MC		 294 EVP_PKEY_CTX_free(rctx);
295 return NULL;
8bdcef40 296
0f113f3e 297}
8bdcef40 298
ba30bad5 299int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 300{
301 if (app_pkey_methods == NULL) {
302 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
3484236d
F		 303 if (app_pkey_methods == NULL){
304 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
0f113f3e 305 return 0;
3484236d 306 }
0f113f3e 307 }
3484236d
F		 308 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
309 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
0f113f3e 310 return 0;
3484236d 311 }
0f113f3e
MC		 312 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
313 return 1;
314}
ba30bad5 315
0822e89a
PY		 316void evp_app_cleanup_int(void)
317{
318 if (app_pkey_methods != NULL)
319 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
320}
321
322int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
323{
324 const EVP_PKEY_METHOD *ret;
325
326 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
327
328 return ret == NULL ? 0 : 1;
329}
330
48ed9c23
DSH		 331size_t EVP_PKEY_meth_get_count(void)
332{
333 size_t rv = OSSL_NELEM(standard_methods);
334
335 if (app_pkey_methods)
336 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
337 return rv;
338}
339
340const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
341{
342 if (idx < OSSL_NELEM(standard_methods))
343 return standard_methods[idx];
344 if (app_pkey_methods == NULL)
345 return NULL;
346 idx -= OSSL_NELEM(standard_methods);
347 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
348 return NULL;
349 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
350}
351
5da98aa6 352void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 353{
354 if (ctx == NULL)
355 return;
356 if (ctx->pmeth && ctx->pmeth->cleanup)
357 ctx->pmeth->cleanup(ctx);
c5ba2d99
RS		 358 EVP_PKEY_free(ctx->pkey);
359 EVP_PKEY_free(ctx->peerkey);
c9777d26 360#ifndef OPENSSL_NO_ENGINE
7c96dbcd 361 ENGINE_finish(ctx->engine);
c9777d26 362#endif
0f113f3e
MC		 363 OPENSSL_free(ctx);
364}
5da98aa6 365
0b6f3c66 366int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 367 int cmd, int p1, void *p2)
368{
369 int ret;
370 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
371 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
372 return -2;
373 }
374 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
375 return -1;
376
377 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
378 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
379 return -1;
380 }
381
382 if ((optype != -1) && !(ctx->operation & optype)) {
383 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
384 return -1;
385 }
386
387 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
388
389 if (ret == -2)
390 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
391
392 return ret;
393
394}
0b6f3c66 395
cefa762e 396int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 397 int cmd, uint64_t value)
cefa762e
JB		 398{
399 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
400}
401
4a3dc3c0 402int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 403 const char *name, const char *value)
404{
405 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
406 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
407 return -2;
408 }
410877ba
DSH		 409 if (strcmp(name, "digest") == 0)
410 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
411 value);
0f113f3e
MC		 412 return ctx->pmeth->ctrl_str(ctx, name, value);
413}
f5cda4cb 414
99119000
DSH		 415/* Utility functions to send a string of hex string to a ctrl */
416
417int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
418{
419 size_t len;
420
421 len = strlen(str);
422 if (len > INT_MAX)
423 return -1;
424 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
425}
426
427int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
428{
429 unsigned char *bin;
430 long binlen;
431 int rv = -1;
432
14f051a0 433 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 434 if (bin == NULL)
435 return 0;
436 if (binlen <= INT_MAX)
437 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
438 OPENSSL_free(bin);
439 return rv;
440}
52ad523c 441
410877ba
DSH		 442/* Pass a message digest to a ctrl */
443int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
444{
445 const EVP_MD *m;
c82bafc5 446
410877ba
DSH		 447 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
448 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
449 return 0;
450 }
451 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
452}
99119000 453
b28dea4e 454int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 455{
456 return ctx->operation;
457}
b28dea4e
DSH		 458
459void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 460{
461 ctx->keygen_info = dat;
462 ctx->keygen_info_count = datlen;
463}
b28dea4e 464
f5cda4cb 465void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 466{
467 ctx->data = data;
468}
f5cda4cb
DSH		 469
470void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 471{
472 return ctx->data;
473}
f5cda4cb 474
81cebb8b 475EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 476{
477 return ctx->pkey;
478}
81cebb8b 479
0e1dba93 480EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 481{
482 return ctx->peerkey;
483}
484
f5cda4cb 485void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 486{
487 ctx->app_data = data;
488}
f5cda4cb
DSH		 489
490void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 491{
492 return ctx->app_data;
493}
ba30bad5
DSH		 494
495void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 496 int (*init) (EVP_PKEY_CTX *ctx))
497{
498 pmeth->init = init;
499}
8bdcef40
DSH		 500
501void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 502 int (*copy) (EVP_PKEY_CTX *dst,
503 EVP_PKEY_CTX *src))
504{
505 pmeth->copy = copy;
506}
ba30bad5
DSH		 507
508void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 509 void (*cleanup) (EVP_PKEY_CTX *ctx))
510{
511 pmeth->cleanup = cleanup;
512}
ba30bad5
DSH		 513
514void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 515 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
516 int (*paramgen) (EVP_PKEY_CTX *ctx,
517 EVP_PKEY *pkey))
518{
519 pmeth->paramgen_init = paramgen_init;
520 pmeth->paramgen = paramgen;
521}
ba30bad5
DSH		 522
523void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 524 int (*keygen_init) (EVP_PKEY_CTX *ctx),
525 int (*keygen) (EVP_PKEY_CTX *ctx,
526 EVP_PKEY *pkey))
527{
528 pmeth->keygen_init = keygen_init;
529 pmeth->keygen = keygen;
530}
ba30bad5
DSH		 531
532void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 533 int (*sign_init) (EVP_PKEY_CTX *ctx),
534 int (*sign) (EVP_PKEY_CTX *ctx,
535 unsigned char *sig, size_t *siglen,
536 const unsigned char *tbs,
537 size_t tbslen))
538{
539 pmeth->sign_init = sign_init;
540 pmeth->sign = sign;
541}
ba30bad5
DSH		 542
543void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 544 int (*verify_init) (EVP_PKEY_CTX *ctx),
545 int (*verify) (EVP_PKEY_CTX *ctx,
546 const unsigned char *sig,
547 size_t siglen,
548 const unsigned char *tbs,
549 size_t tbslen))
550{
551 pmeth->verify_init = verify_init;
552 pmeth->verify = verify;
553}
ba30bad5
DSH		 554
555void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 556 int (*verify_recover_init) (EVP_PKEY_CTX
557 *ctx),
558 int (*verify_recover) (EVP_PKEY_CTX
559 *ctx,
560 unsigned char
561 *sig,
562 size_t *siglen,
563 const unsigned
564 char *tbs,
565 size_t tbslen))
566{
567 pmeth->verify_recover_init = verify_recover_init;
568 pmeth->verify_recover = verify_recover;
569}
ba30bad5
DSH		 570
571void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 572 int (*signctx_init) (EVP_PKEY_CTX *ctx,
573 EVP_MD_CTX *mctx),
574 int (*signctx) (EVP_PKEY_CTX *ctx,
575 unsigned char *sig,
576 size_t *siglen,
577 EVP_MD_CTX *mctx))
578{
579 pmeth->signctx_init = signctx_init;
580 pmeth->signctx = signctx;
581}
ba30bad5
DSH		 582
583void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 584 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
585 EVP_MD_CTX *mctx),
586 int (*verifyctx) (EVP_PKEY_CTX *ctx,
587 const unsigned char *sig,
588 int siglen,
589 EVP_MD_CTX *mctx))
590{
591 pmeth->verifyctx_init = verifyctx_init;
592 pmeth->verifyctx = verifyctx;
593}
ba30bad5
DSH		 594
595void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 596 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
597 int (*encryptfn) (EVP_PKEY_CTX *ctx,
598 unsigned char *out,
599 size_t *outlen,
600 const unsigned char *in,
601 size_t inlen))
602{
603 pmeth->encrypt_init = encrypt_init;
604 pmeth->encrypt = encryptfn;
605}
ba30bad5
DSH		 606
607void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 608 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
609 int (*decrypt) (EVP_PKEY_CTX *ctx,
610 unsigned char *out,
611 size_t *outlen,
612 const unsigned char *in,
613 size_t inlen))
614{
615 pmeth->decrypt_init = decrypt_init;
616 pmeth->decrypt = decrypt;
617}
ba30bad5
DSH		 618
619void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 620 int (*derive_init) (EVP_PKEY_CTX *ctx),
621 int (*derive) (EVP_PKEY_CTX *ctx,
622 unsigned char *key,
623 size_t *keylen))
624{
625 pmeth->derive_init = derive_init;
626 pmeth->derive = derive;
627}
ba30bad5
DSH		 628
629void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 630 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
631 void *p2),
632 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
633 const char *type,
634 const char *value))
635{
636 pmeth->ctrl = ctrl;
637 pmeth->ctrl_str = ctrl_str;
638}
e7451ed1 639
2aee35d3
PY		 640void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
641 int (*check) (EVP_PKEY *pkey))
642{
643 pmeth->check = check;
644}
645
b0004708
PY		 646void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
647 int (*check) (EVP_PKEY *pkey))
648{
649 pmeth->public_check = check;
650}
651
652void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
653 int (*check) (EVP_PKEY *pkey))
654{
655 pmeth->param_check = check;
656}
657
693be9a2 658void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 659 int (**pinit) (EVP_PKEY_CTX *ctx))
660{
661 *pinit = pmeth->init;
662}
663
693be9a2 664void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 665 int (**pcopy) (EVP_PKEY_CTX *dst,
666 EVP_PKEY_CTX *src))
667{
668 *pcopy = pmeth->copy;
669}
670
693be9a2 671void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 672 void (**pcleanup) (EVP_PKEY_CTX *ctx))
673{
674 *pcleanup = pmeth->cleanup;
675}
676
693be9a2 677void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 678 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
679 int (**pparamgen) (EVP_PKEY_CTX *ctx,
680 EVP_PKEY *pkey))
681{
682 if (pparamgen_init)
683 *pparamgen_init = pmeth->paramgen_init;
684 if (pparamgen)
685 *pparamgen = pmeth->paramgen;
686}
687
693be9a2 688void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 689 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
690 int (**pkeygen) (EVP_PKEY_CTX *ctx,
691 EVP_PKEY *pkey))
692{
693 if (pkeygen_init)
694 *pkeygen_init = pmeth->keygen_init;
695 if (pkeygen)
696 *pkeygen = pmeth->keygen;
697}
698
693be9a2 699void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 700 int (**psign_init) (EVP_PKEY_CTX *ctx),
701 int (**psign) (EVP_PKEY_CTX *ctx,
702 unsigned char *sig, size_t *siglen,
703 const unsigned char *tbs,
704 size_t tbslen))
705{
706 if (psign_init)
707 *psign_init = pmeth->sign_init;
708 if (psign)
709 *psign = pmeth->sign;
710}
711
693be9a2 712void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 713 int (**pverify_init) (EVP_PKEY_CTX *ctx),
714 int (**pverify) (EVP_PKEY_CTX *ctx,
715 const unsigned char *sig,
716 size_t siglen,
717 const unsigned char *tbs,
718 size_t tbslen))
719{
720 if (pverify_init)
721 *pverify_init = pmeth->verify_init;
722 if (pverify)
723 *pverify = pmeth->verify;
724}
725
693be9a2 726void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 727 int (**pverify_recover_init) (EVP_PKEY_CTX
728 *ctx),
729 int (**pverify_recover) (EVP_PKEY_CTX
730 *ctx,
731 unsigned char
732 *sig,
733 size_t *siglen,
734 const unsigned
735 char *tbs,
736 size_t tbslen))
737{
738 if (pverify_recover_init)
739 *pverify_recover_init = pmeth->verify_recover_init;
740 if (pverify_recover)
741 *pverify_recover = pmeth->verify_recover;
742}
743
693be9a2 744void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 745 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
746 EVP_MD_CTX *mctx),
747 int (**psignctx) (EVP_PKEY_CTX *ctx,
748 unsigned char *sig,
749 size_t *siglen,
750 EVP_MD_CTX *mctx))
751{
752 if (psignctx_init)
753 *psignctx_init = pmeth->signctx_init;
754 if (psignctx)
755 *psignctx = pmeth->signctx;
756}
757
693be9a2 758void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 759 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
760 EVP_MD_CTX *mctx),
761 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
762 const unsigned char *sig,
763 int siglen,
764 EVP_MD_CTX *mctx))
765{
766 if (pverifyctx_init)
767 *pverifyctx_init = pmeth->verifyctx_init;
768 if (pverifyctx)
769 *pverifyctx = pmeth->verifyctx;
770}
771
693be9a2 772void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 773 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
774 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
775 unsigned char *out,
776 size_t *outlen,
777 const unsigned char *in,
778 size_t inlen))
779{
780 if (pencrypt_init)
781 *pencrypt_init = pmeth->encrypt_init;
782 if (pencryptfn)
783 *pencryptfn = pmeth->encrypt;
784}
785
693be9a2 786void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 787 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
788 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
789 unsigned char *out,
790 size_t *outlen,
791 const unsigned char *in,
792 size_t inlen))
793{
794 if (pdecrypt_init)
795 *pdecrypt_init = pmeth->decrypt_init;
796 if (pdecrypt)
797 *pdecrypt = pmeth->decrypt;
798}
799
693be9a2 800void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 801 int (**pderive_init) (EVP_PKEY_CTX *ctx),
802 int (**pderive) (EVP_PKEY_CTX *ctx,
803 unsigned char *key,
804 size_t *keylen))
805{
806 if (pderive_init)
807 *pderive_init = pmeth->derive_init;
808 if (pderive)
809 *pderive = pmeth->derive;
810}
811
693be9a2 812void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 813 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
814 void *p2),
815 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
816 const char *type,
817 const char *value))
818{
819 if (pctrl)
820 *pctrl = pmeth->ctrl;
821 if (pctrl_str)
822 *pctrl_str = pmeth->ctrl_str;
823}
2aee35d3 824
693be9a2 825void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2aee35d3
PY		 826 int (**pcheck) (EVP_PKEY *pkey))
827{
828 if (*pcheck)
829 *pcheck = pmeth->check;
830}
b0004708 831
693be9a2 832void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 833 int (**pcheck) (EVP_PKEY *pkey))
834{
835 if (*pcheck)
836 *pcheck = pmeth->public_check;
837}
838
693be9a2 839void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 840 int (**pcheck) (EVP_PKEY *pkey))
841{
842 if (*pcheck)
843 *pcheck = pmeth->param_check;
844}
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