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