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Iron out /WX errors in VC-WIN32.
[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)
d19b01ad 109 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
0f113f3e
MC		 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 131 if (pmeth == NULL) {
918a27fa
DSH		 132#ifndef OPENSSL_NO_ENGINE
133 ENGINE_finish(e);
134#endif
0f113f3e
MC		 135 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
136 return NULL;
137 }
c9777d26 138
64b25758 139 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 140 if (ret == NULL) {
a63bf2c5 141#ifndef OPENSSL_NO_ENGINE
7c96dbcd 142 ENGINE_finish(e);
a63bf2c5 143#endif
0f113f3e
MC		 144 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
145 return NULL;
146 }
147 ret->engine = e;
148 ret->pmeth = pmeth;
149 ret->operation = EVP_PKEY_OP_UNDEFINED;
150 ret->pkey = pkey;
0f113f3e 151 if (pkey)
03273d61 152 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 153
154 if (pmeth->init) {
155 if (pmeth->init(ret) <= 0) {
83b4049a 156 ret->pmeth = NULL;
0f113f3e
MC		 157 EVP_PKEY_CTX_free(ret);
158 return NULL;
159 }
160 }
161
162 return ret;
163}
164
165EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
166{
167 EVP_PKEY_METHOD *pmeth;
b4faea50 168
b51bce94 169 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
90945fa3 170 if (pmeth == NULL)
0f113f3e
MC		 171 return NULL;
172
0f113f3e
MC		 173 pmeth->pkey_id = id;
174 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 175 return pmeth;
176}
ba30bad5 177
f830c68f 178void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 179 const EVP_PKEY_METHOD *meth)
180{
181 if (ppkey_id)
182 *ppkey_id = meth->pkey_id;
183 if (pflags)
184 *pflags = meth->flags;
185}
f830c68f
DSH		 186
187void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 188{
f830c68f 189
0f113f3e
MC		 190 dst->init = src->init;
191 dst->copy = src->copy;
192 dst->cleanup = src->cleanup;
f830c68f 193
0f113f3e
MC		 194 dst->paramgen_init = src->paramgen_init;
195 dst->paramgen = src->paramgen;
f830c68f 196
0f113f3e
MC		 197 dst->keygen_init = src->keygen_init;
198 dst->keygen = src->keygen;
f830c68f 199
0f113f3e
MC		 200 dst->sign_init = src->sign_init;
201 dst->sign = src->sign;
f830c68f 202
0f113f3e
MC		 203 dst->verify_init = src->verify_init;
204 dst->verify = src->verify;
f830c68f 205
0f113f3e
MC		 206 dst->verify_recover_init = src->verify_recover_init;
207 dst->verify_recover = src->verify_recover;
f830c68f 208
0f113f3e
MC		 209 dst->signctx_init = src->signctx_init;
210 dst->signctx = src->signctx;
f830c68f 211
0f113f3e
MC		 212 dst->verifyctx_init = src->verifyctx_init;
213 dst->verifyctx = src->verifyctx;
f830c68f 214
0f113f3e
MC		 215 dst->encrypt_init = src->encrypt_init;
216 dst->encrypt = src->encrypt;
f830c68f 217
0f113f3e
MC		 218 dst->decrypt_init = src->decrypt_init;
219 dst->decrypt = src->decrypt;
f830c68f 220
0f113f3e
MC		 221 dst->derive_init = src->derive_init;
222 dst->derive = src->derive;
f830c68f 223
0f113f3e
MC		 224 dst->ctrl = src->ctrl;
225 dst->ctrl_str = src->ctrl_str;
2aee35d3
PY		 226
227 dst->check = src->check;
0f113f3e 228}
f830c68f 229
ba30bad5 230void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 231{
232 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
233 OPENSSL_free(pmeth);
234}
ba30bad5 235
f5cda4cb 236EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 237{
238 return int_ctx_new(pkey, e, -1);
239}
f5cda4cb
DSH		 240
241EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 242{
243 return int_ctx_new(NULL, e, id);
244}
f5cda4cb 245
8bdcef40 246EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
0f113f3e
MC		 247{
248 EVP_PKEY_CTX *rctx;
249 if (!pctx->pmeth || !pctx->pmeth->copy)
250 return NULL;
c9777d26 251#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 252 /* Make sure it's safe to copy a pkey context using an ENGINE */
253 if (pctx->engine && !ENGINE_init(pctx->engine)) {
254 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
255 return 0;
256 }
c9777d26 257#endif
b4faea50 258 rctx = OPENSSL_malloc(sizeof(*rctx));
90945fa3 259 if (rctx == NULL)
0f113f3e 260 return NULL;
8bdcef40 261
0f113f3e 262 rctx->pmeth = pctx->pmeth;
c9777d26 263#ifndef OPENSSL_NO_ENGINE
0f113f3e 264 rctx->engine = pctx->engine;
c9777d26 265#endif
8bdcef40 266
0f113f3e 267 if (pctx->pkey)
03273d61 268 EVP_PKEY_up_ref(pctx->pkey);
944f8580 269
0f113f3e 270 rctx->pkey = pctx->pkey;
8bdcef40 271
0f113f3e 272 if (pctx->peerkey)
03273d61 273 EVP_PKEY_up_ref(pctx->peerkey);
944f8580 274
0f113f3e 275 rctx->peerkey = pctx->peerkey;
8bdcef40 276
0f113f3e
MC		 277 rctx->data = NULL;
278 rctx->app_data = NULL;
279 rctx->operation = pctx->operation;
8bdcef40 280
0f113f3e
MC		 281 if (pctx->pmeth->copy(rctx, pctx) > 0)
282 return rctx;
8bdcef40 283
83b4049a 284 rctx->pmeth = NULL;
0f113f3e
MC		 285 EVP_PKEY_CTX_free(rctx);
286 return NULL;
8bdcef40 287
0f113f3e 288}
8bdcef40 289
ba30bad5 290int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 291{
292 if (app_pkey_methods == NULL) {
293 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
90945fa3 294 if (app_pkey_methods == NULL)
0f113f3e
MC		 295 return 0;
296 }
297 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
298 return 0;
299 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
300 return 1;
301}
ba30bad5 302
0822e89a
PY		 303void evp_app_cleanup_int(void)
304{
305 if (app_pkey_methods != NULL)
306 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
307}
308
309int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
310{
311 const EVP_PKEY_METHOD *ret;
312
313 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
314
315 return ret == NULL ? 0 : 1;
316}
317
48ed9c23
DSH		 318size_t EVP_PKEY_meth_get_count(void)
319{
320 size_t rv = OSSL_NELEM(standard_methods);
321
322 if (app_pkey_methods)
323 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
324 return rv;
325}
326
327const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
328{
329 if (idx < OSSL_NELEM(standard_methods))
330 return standard_methods[idx];
331 if (app_pkey_methods == NULL)
332 return NULL;
333 idx -= OSSL_NELEM(standard_methods);
334 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
335 return NULL;
336 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
337}
338
5da98aa6 339void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 340{
341 if (ctx == NULL)
342 return;
343 if (ctx->pmeth && ctx->pmeth->cleanup)
344 ctx->pmeth->cleanup(ctx);
c5ba2d99
RS		 345 EVP_PKEY_free(ctx->pkey);
346 EVP_PKEY_free(ctx->peerkey);
c9777d26 347#ifndef OPENSSL_NO_ENGINE
7c96dbcd 348 ENGINE_finish(ctx->engine);
c9777d26 349#endif
0f113f3e
MC		 350 OPENSSL_free(ctx);
351}
5da98aa6 352
0b6f3c66 353int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 354 int cmd, int p1, void *p2)
355{
356 int ret;
357 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
358 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
359 return -2;
360 }
361 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
362 return -1;
363
364 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
365 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
366 return -1;
367 }
368
369 if ((optype != -1) && !(ctx->operation & optype)) {
370 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
371 return -1;
372 }
373
374 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
375
376 if (ret == -2)
377 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
378
379 return ret;
380
381}
0b6f3c66 382
cefa762e 383int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 384 int cmd, uint64_t value)
cefa762e
JB		 385{
386 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
387}
388
4a3dc3c0 389int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 390 const char *name, const char *value)
391{
392 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
393 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
394 return -2;
395 }
410877ba
DSH		 396 if (strcmp(name, "digest") == 0)
397 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
398 value);
0f113f3e
MC		 399 return ctx->pmeth->ctrl_str(ctx, name, value);
400}
f5cda4cb 401
99119000
DSH		 402/* Utility functions to send a string of hex string to a ctrl */
403
404int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
405{
406 size_t len;
407
408 len = strlen(str);
409 if (len > INT_MAX)
410 return -1;
411 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
412}
413
414int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
415{
416 unsigned char *bin;
417 long binlen;
418 int rv = -1;
419
14f051a0 420 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 421 if (bin == NULL)
422 return 0;
423 if (binlen <= INT_MAX)
424 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
425 OPENSSL_free(bin);
426 return rv;
427}
52ad523c 428
410877ba
DSH		 429/* Pass a message digest to a ctrl */
430int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
431{
432 const EVP_MD *m;
c82bafc5 433
410877ba
DSH		 434 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
435 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
436 return 0;
437 }
438 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
439}
99119000 440
b28dea4e 441int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 442{
443 return ctx->operation;
444}
b28dea4e
DSH		 445
446void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 447{
448 ctx->keygen_info = dat;
449 ctx->keygen_info_count = datlen;
450}
b28dea4e 451
f5cda4cb 452void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 453{
454 ctx->data = data;
455}
f5cda4cb
DSH		 456
457void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 458{
459 return ctx->data;
460}
f5cda4cb 461
81cebb8b 462EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 463{
464 return ctx->pkey;
465}
81cebb8b 466
0e1dba93 467EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 468{
469 return ctx->peerkey;
470}
471
f5cda4cb 472void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 473{
474 ctx->app_data = data;
475}
f5cda4cb
DSH		 476
477void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 478{
479 return ctx->app_data;
480}
ba30bad5
DSH		 481
482void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 483 int (*init) (EVP_PKEY_CTX *ctx))
484{
485 pmeth->init = init;
486}
8bdcef40
DSH		 487
488void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 489 int (*copy) (EVP_PKEY_CTX *dst,
490 EVP_PKEY_CTX *src))
491{
492 pmeth->copy = copy;
493}
ba30bad5
DSH		 494
495void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 496 void (*cleanup) (EVP_PKEY_CTX *ctx))
497{
498 pmeth->cleanup = cleanup;
499}
ba30bad5
DSH		 500
501void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 502 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
503 int (*paramgen) (EVP_PKEY_CTX *ctx,
504 EVP_PKEY *pkey))
505{
506 pmeth->paramgen_init = paramgen_init;
507 pmeth->paramgen = paramgen;
508}
ba30bad5
DSH		 509
510void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 511 int (*keygen_init) (EVP_PKEY_CTX *ctx),
512 int (*keygen) (EVP_PKEY_CTX *ctx,
513 EVP_PKEY *pkey))
514{
515 pmeth->keygen_init = keygen_init;
516 pmeth->keygen = keygen;
517}
ba30bad5
DSH		 518
519void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 520 int (*sign_init) (EVP_PKEY_CTX *ctx),
521 int (*sign) (EVP_PKEY_CTX *ctx,
522 unsigned char *sig, size_t *siglen,
523 const unsigned char *tbs,
524 size_t tbslen))
525{
526 pmeth->sign_init = sign_init;
527 pmeth->sign = sign;
528}
ba30bad5
DSH		 529
530void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 531 int (*verify_init) (EVP_PKEY_CTX *ctx),
532 int (*verify) (EVP_PKEY_CTX *ctx,
533 const unsigned char *sig,
534 size_t siglen,
535 const unsigned char *tbs,
536 size_t tbslen))
537{
538 pmeth->verify_init = verify_init;
539 pmeth->verify = verify;
540}
ba30bad5
DSH		 541
542void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 543 int (*verify_recover_init) (EVP_PKEY_CTX
544 *ctx),
545 int (*verify_recover) (EVP_PKEY_CTX
546 *ctx,
547 unsigned char
548 *sig,
549 size_t *siglen,
550 const unsigned
551 char *tbs,
552 size_t tbslen))
553{
554 pmeth->verify_recover_init = verify_recover_init;
555 pmeth->verify_recover = verify_recover;
556}
ba30bad5
DSH		 557
558void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 559 int (*signctx_init) (EVP_PKEY_CTX *ctx,
560 EVP_MD_CTX *mctx),
561 int (*signctx) (EVP_PKEY_CTX *ctx,
562 unsigned char *sig,
563 size_t *siglen,
564 EVP_MD_CTX *mctx))
565{
566 pmeth->signctx_init = signctx_init;
567 pmeth->signctx = signctx;
568}
ba30bad5
DSH		 569
570void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 571 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
572 EVP_MD_CTX *mctx),
573 int (*verifyctx) (EVP_PKEY_CTX *ctx,
574 const unsigned char *sig,
575 int siglen,
576 EVP_MD_CTX *mctx))
577{
578 pmeth->verifyctx_init = verifyctx_init;
579 pmeth->verifyctx = verifyctx;
580}
ba30bad5
DSH		 581
582void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 583 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
584 int (*encryptfn) (EVP_PKEY_CTX *ctx,
585 unsigned char *out,
586 size_t *outlen,
587 const unsigned char *in,
588 size_t inlen))
589{
590 pmeth->encrypt_init = encrypt_init;
591 pmeth->encrypt = encryptfn;
592}
ba30bad5
DSH		 593
594void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 595 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
596 int (*decrypt) (EVP_PKEY_CTX *ctx,
597 unsigned char *out,
598 size_t *outlen,
599 const unsigned char *in,
600 size_t inlen))
601{
602 pmeth->decrypt_init = decrypt_init;
603 pmeth->decrypt = decrypt;
604}
ba30bad5
DSH		 605
606void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 607 int (*derive_init) (EVP_PKEY_CTX *ctx),
608 int (*derive) (EVP_PKEY_CTX *ctx,
609 unsigned char *key,
610 size_t *keylen))
611{
612 pmeth->derive_init = derive_init;
613 pmeth->derive = derive;
614}
ba30bad5
DSH		 615
616void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 617 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
618 void *p2),
619 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
620 const char *type,
621 const char *value))
622{
623 pmeth->ctrl = ctrl;
624 pmeth->ctrl_str = ctrl_str;
625}
e7451ed1 626
2aee35d3
PY		 627void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
628 int (*check) (EVP_PKEY *pkey))
629{
630 pmeth->check = check;
631}
632
e7451ed1
DSH		 633void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
634 int (**pinit) (EVP_PKEY_CTX *ctx))
635{
636 *pinit = pmeth->init;
637}
638
639void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
640 int (**pcopy) (EVP_PKEY_CTX *dst,
641 EVP_PKEY_CTX *src))
642{
643 *pcopy = pmeth->copy;
644}
645
646void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
647 void (**pcleanup) (EVP_PKEY_CTX *ctx))
648{
649 *pcleanup = pmeth->cleanup;
650}
651
652void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
653 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
654 int (**pparamgen) (EVP_PKEY_CTX *ctx,
655 EVP_PKEY *pkey))
656{
657 if (pparamgen_init)
658 *pparamgen_init = pmeth->paramgen_init;
659 if (pparamgen)
660 *pparamgen = pmeth->paramgen;
661}
662
663void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
664 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
665 int (**pkeygen) (EVP_PKEY_CTX *ctx,
666 EVP_PKEY *pkey))
667{
668 if (pkeygen_init)
669 *pkeygen_init = pmeth->keygen_init;
670 if (pkeygen)
671 *pkeygen = pmeth->keygen;
672}
673
674void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
675 int (**psign_init) (EVP_PKEY_CTX *ctx),
676 int (**psign) (EVP_PKEY_CTX *ctx,
677 unsigned char *sig, size_t *siglen,
678 const unsigned char *tbs,
679 size_t tbslen))
680{
681 if (psign_init)
682 *psign_init = pmeth->sign_init;
683 if (psign)
684 *psign = pmeth->sign;
685}
686
687void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
688 int (**pverify_init) (EVP_PKEY_CTX *ctx),
689 int (**pverify) (EVP_PKEY_CTX *ctx,
690 const unsigned char *sig,
691 size_t siglen,
692 const unsigned char *tbs,
693 size_t tbslen))
694{
695 if (pverify_init)
696 *pverify_init = pmeth->verify_init;
697 if (pverify)
698 *pverify = pmeth->verify;
699}
700
701void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
702 int (**pverify_recover_init) (EVP_PKEY_CTX
703 *ctx),
704 int (**pverify_recover) (EVP_PKEY_CTX
705 *ctx,
706 unsigned char
707 *sig,
708 size_t *siglen,
709 const unsigned
710 char *tbs,
711 size_t tbslen))
712{
713 if (pverify_recover_init)
714 *pverify_recover_init = pmeth->verify_recover_init;
715 if (pverify_recover)
716 *pverify_recover = pmeth->verify_recover;
717}
718
719void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
720 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
721 EVP_MD_CTX *mctx),
722 int (**psignctx) (EVP_PKEY_CTX *ctx,
723 unsigned char *sig,
724 size_t *siglen,
725 EVP_MD_CTX *mctx))
726{
727 if (psignctx_init)
728 *psignctx_init = pmeth->signctx_init;
729 if (psignctx)
730 *psignctx = pmeth->signctx;
731}
732
733void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
734 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
735 EVP_MD_CTX *mctx),
736 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
737 const unsigned char *sig,
738 int siglen,
739 EVP_MD_CTX *mctx))
740{
741 if (pverifyctx_init)
742 *pverifyctx_init = pmeth->verifyctx_init;
743 if (pverifyctx)
744 *pverifyctx = pmeth->verifyctx;
745}
746
747void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
748 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
749 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
750 unsigned char *out,
751 size_t *outlen,
752 const unsigned char *in,
753 size_t inlen))
754{
755 if (pencrypt_init)
756 *pencrypt_init = pmeth->encrypt_init;
757 if (pencryptfn)
758 *pencryptfn = pmeth->encrypt;
759}
760
761void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
762 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
763 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
764 unsigned char *out,
765 size_t *outlen,
766 const unsigned char *in,
767 size_t inlen))
768{
769 if (pdecrypt_init)
770 *pdecrypt_init = pmeth->decrypt_init;
771 if (pdecrypt)
772 *pdecrypt = pmeth->decrypt;
773}
774
775void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
776 int (**pderive_init) (EVP_PKEY_CTX *ctx),
777 int (**pderive) (EVP_PKEY_CTX *ctx,
778 unsigned char *key,
779 size_t *keylen))
780{
781 if (pderive_init)
782 *pderive_init = pmeth->derive_init;
783 if (pderive)
784 *pderive = pmeth->derive;
785}
786
787void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
788 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
789 void *p2),
790 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
791 const char *type,
792 const char *value))
793{
794 if (pctrl)
795 *pctrl = pmeth->ctrl;
796 if (pctrl_str)
797 *pctrl_str = pmeth->ctrl_str;
798}
2aee35d3
PY		 799
800void EVP_PKEY_meth_get_check(EVP_PKEY_METHOD *pmeth,
801 int (**pcheck) (EVP_PKEY *pkey))
802{
803 if (*pcheck)
804 *pcheck = pmeth->check;
805}
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