]> git.ipfire.org Git - thirdparty/openssl.git/blame - crypto/evp/pmeth_lib.c
projects / thirdparty / openssl.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Add evp_keymgmt_export_to_provider(), for key transfer between providers
[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 *
4a8b0c55 4 * Licensed under the Apache License 2.0 (the "License"). You may not use
62867571
RS		 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>
3c27208f 12#include <openssl/engine.h>
33bed28b 13#include <openssl/evp.h>
99119000 14#include <openssl/x509v3.h>
35aca9ec
MC		 15#include <openssl/core_names.h>
16#include <openssl/dh.h>
17#include "internal/cryptlib.h"
5fe736e5 18#include "internal/asn1_int.h"
27af42f9 19#include "internal/evp_int.h"
99119000 20#include "internal/numbers.h"
ff64702b 21#include "evp_locl.h"
0b6f3c66 22
0f113f3e 23typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
5ce278a7 24
df2ee0e2 25static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
0b6f3c66 26
cefa762e 27/* This array needs to be in order of NIDs */
0f113f3e 28static const EVP_PKEY_METHOD *standard_methods[] = {
d4f0339c 29#ifndef OPENSSL_NO_RSA
0f113f3e 30 &rsa_pkey_meth,
d4f0339c
DSH		 31#endif
32#ifndef OPENSSL_NO_DH
0f113f3e 33 &dh_pkey_meth,
d4f0339c
DSH		 34#endif
35#ifndef OPENSSL_NO_DSA
0f113f3e 36 &dsa_pkey_meth,
d4f0339c 37#endif
ef236ec3 38#ifndef OPENSSL_NO_EC
0f113f3e 39 &ec_pkey_meth,
ef236ec3 40#endif
0f113f3e 41 &hmac_pkey_meth,
b4a3aeeb 42#ifndef OPENSSL_NO_CMAC
0f113f3e 43 &cmac_pkey_meth,
b4a3aeeb 44#endif
6577e008
DSH		 45#ifndef OPENSSL_NO_RSA
46 &rsa_pss_pkey_meth,
47#endif
afb14cda 48#ifndef OPENSSL_NO_DH
1eff3485 49 &dhx_pkey_meth,
cefa762e
JB		 50#endif
51#ifndef OPENSSL_NO_SCRYPT
52 &scrypt_pkey_meth,
afb14cda 53#endif
aacfb134 54 &tls1_prf_pkey_meth,
262bd85f
DSH		 55#ifndef OPENSSL_NO_EC
56 &ecx25519_pkey_meth,
13735cfe 57 &ecx448_pkey_meth,
262bd85f 58#endif
52ad5b60
TS		 59 &hkdf_pkey_meth,
60#ifndef OPENSSL_NO_POLY1305
61 &poly1305_pkey_meth,
62#endif
3f5616d7
TS		 63#ifndef OPENSSL_NO_SIPHASH
64 &siphash_pkey_meth,
65#endif
42a3008a
DSH		 66#ifndef OPENSSL_NO_EC
67 &ed25519_pkey_meth,
13735cfe 68 &ed448_pkey_meth,
42a3008a 69#endif
ddb634fe
JL		 70#ifndef OPENSSL_NO_SM2
71 &sm2_pkey_meth,
72#endif
0f113f3e 73};
0b6f3c66 74
606f6c47 75DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 76 pmeth);
babb3798 77
0f113f3e
MC		 78static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
79 const EVP_PKEY_METHOD *const *b)
80{
81 return ((*a)->pkey_id - (*b)->pkey_id);
82}
0b6f3c66 83
606f6c47 84IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 85 pmeth);
babb3798 86
c9777d26 87const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
0f113f3e
MC		 88{
89 EVP_PKEY_METHOD tmp;
90 const EVP_PKEY_METHOD *t = &tmp, **ret;
91 tmp.pkey_id = type;
92 if (app_pkey_methods) {
93 int idx;
94 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
95 if (idx >= 0)
96 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
97 }
98 ret = OBJ_bsearch_pmeth(&t, standard_methods,
99 sizeof(standard_methods) /
100 sizeof(EVP_PKEY_METHOD *));
101 if (!ret || !*ret)
102 return NULL;
103 return *ret;
104}
0b6f3c66 105
f5cda4cb 106static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
0f113f3e
MC		 107{
108 EVP_PKEY_CTX *ret;
109 const EVP_PKEY_METHOD *pmeth;
2f2e6b62 110
0f113f3e 111 if (id == -1) {
a6465b3f
P		 112 if (pkey == NULL)
113 return 0;
2f2e6b62 114 id = pkey->type;
0f113f3e 115 }
a63bf2c5 116#ifndef OPENSSL_NO_ENGINE
c2976edf 117 if (e == NULL && pkey != NULL)
d19b01ad 118 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
0f113f3e
MC		 119 /* Try to find an ENGINE which implements this method */
120 if (e) {
121 if (!ENGINE_init(e)) {
122 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
123 return NULL;
124 }
c2976edf 125 } else {
0f113f3e 126 e = ENGINE_get_pkey_meth_engine(id);
c2976edf 127 }
0f113f3e
MC		 128
129 /*
0d4fb843 130 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 131 * tables.
132 */
0f113f3e
MC		 133 if (e)
134 pmeth = ENGINE_get_pkey_meth(e, id);
135 else
a63bf2c5 136#endif
0f113f3e 137 pmeth = EVP_PKEY_meth_find(id);
c9777d26 138
0f113f3e 139 if (pmeth == NULL) {
918a27fa
DSH		 140#ifndef OPENSSL_NO_ENGINE
141 ENGINE_finish(e);
142#endif
0f113f3e
MC		 143 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
144 return NULL;
145 }
c9777d26 146
64b25758 147 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 148 if (ret == NULL) {
a63bf2c5 149#ifndef OPENSSL_NO_ENGINE
7c96dbcd 150 ENGINE_finish(e);
a63bf2c5 151#endif
0f113f3e
MC		 152 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
153 return NULL;
154 }
155 ret->engine = e;
156 ret->pmeth = pmeth;
157 ret->operation = EVP_PKEY_OP_UNDEFINED;
158 ret->pkey = pkey;
a6465b3f 159 if (pkey != NULL)
03273d61 160 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 161
162 if (pmeth->init) {
163 if (pmeth->init(ret) <= 0) {
83b4049a 164 ret->pmeth = NULL;
0f113f3e
MC		 165 EVP_PKEY_CTX_free(ret);
166 return NULL;
167 }
168 }
169
170 return ret;
171}
172
173EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
174{
175 EVP_PKEY_METHOD *pmeth;
b4faea50 176
b51bce94 177 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
3484236d
F		 178 if (pmeth == NULL) {
179 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
0f113f3e 180 return NULL;
3484236d 181 }
0f113f3e 182
0f113f3e
MC		 183 pmeth->pkey_id = id;
184 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 185 return pmeth;
186}
ba30bad5 187
f830c68f 188void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 189 const EVP_PKEY_METHOD *meth)
190{
191 if (ppkey_id)
192 *ppkey_id = meth->pkey_id;
193 if (pflags)
194 *pflags = meth->flags;
195}
f830c68f
DSH		 196
197void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 198{
f830c68f 199
0f113f3e
MC		 200 dst->init = src->init;
201 dst->copy = src->copy;
202 dst->cleanup = src->cleanup;
f830c68f 203
0f113f3e
MC		 204 dst->paramgen_init = src->paramgen_init;
205 dst->paramgen = src->paramgen;
f830c68f 206
0f113f3e
MC		 207 dst->keygen_init = src->keygen_init;
208 dst->keygen = src->keygen;
f830c68f 209
0f113f3e
MC		 210 dst->sign_init = src->sign_init;
211 dst->sign = src->sign;
f830c68f 212
0f113f3e
MC		 213 dst->verify_init = src->verify_init;
214 dst->verify = src->verify;
f830c68f 215
0f113f3e
MC		 216 dst->verify_recover_init = src->verify_recover_init;
217 dst->verify_recover = src->verify_recover;
f830c68f 218
0f113f3e
MC		 219 dst->signctx_init = src->signctx_init;
220 dst->signctx = src->signctx;
f830c68f 221
0f113f3e
MC		 222 dst->verifyctx_init = src->verifyctx_init;
223 dst->verifyctx = src->verifyctx;
f830c68f 224
0f113f3e
MC		 225 dst->encrypt_init = src->encrypt_init;
226 dst->encrypt = src->encrypt;
f830c68f 227
0f113f3e
MC		 228 dst->decrypt_init = src->decrypt_init;
229 dst->decrypt = src->decrypt;
f830c68f 230
0f113f3e
MC		 231 dst->derive_init = src->derive_init;
232 dst->derive = src->derive;
f830c68f 233
0f113f3e
MC		 234 dst->ctrl = src->ctrl;
235 dst->ctrl_str = src->ctrl_str;
2aee35d3
PY		 236
237 dst->check = src->check;
0f113f3e 238}
f830c68f 239
ba30bad5 240void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 241{
242 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
243 OPENSSL_free(pmeth);
244}
ba30bad5 245
f5cda4cb 246EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 247{
248 return int_ctx_new(pkey, e, -1);
249}
f5cda4cb
DSH		 250
251EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 252{
253 return int_ctx_new(NULL, e, id);
254}
f5cda4cb 255
9fdcc21f 256EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
0f113f3e
MC		 257{
258 EVP_PKEY_CTX *rctx;
ff64702b
MC		 259
260 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
261 && pctx->exchprovctx == NULL)
0f113f3e 262 return NULL;
c9777d26 263#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 264 /* Make sure it's safe to copy a pkey context using an ENGINE */
265 if (pctx->engine && !ENGINE_init(pctx->engine)) {
266 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
267 return 0;
268 }
c9777d26 269#endif
ff64702b 270 rctx = OPENSSL_zalloc(sizeof(*rctx));
3484236d
F		 271 if (rctx == NULL) {
272 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
0f113f3e 273 return NULL;
3484236d 274 }
8bdcef40 275
ff64702b
MC		 276 if (pctx->pkey != NULL)
277 EVP_PKEY_up_ref(pctx->pkey);
278 rctx->pkey = pctx->pkey;
279 rctx->operation = pctx->operation;
280
281 if (pctx->exchprovctx != NULL) {
282 if (!ossl_assert(pctx->exchange != NULL))
283 return NULL;
284 rctx->exchange = pctx->exchange;
285 if (!EVP_KEYEXCH_up_ref(rctx->exchange)) {
286 OPENSSL_free(rctx);
287 return NULL;
288 }
289 rctx->exchprovctx = pctx->exchange->dupctx(pctx->exchprovctx);
290 if (rctx->exchprovctx == NULL) {
291 EVP_KEYEXCH_free(rctx->exchange);
292 OPENSSL_free(rctx);
293 return NULL;
294 }
295 return rctx;
296 }
297
0f113f3e 298 rctx->pmeth = pctx->pmeth;
c9777d26 299#ifndef OPENSSL_NO_ENGINE
0f113f3e 300 rctx->engine = pctx->engine;
c9777d26 301#endif
8bdcef40 302
0f113f3e 303 if (pctx->peerkey)
03273d61 304 EVP_PKEY_up_ref(pctx->peerkey);
0f113f3e 305 rctx->peerkey = pctx->peerkey;
8bdcef40 306
0f113f3e
MC		 307 if (pctx->pmeth->copy(rctx, pctx) > 0)
308 return rctx;
8bdcef40 309
83b4049a 310 rctx->pmeth = NULL;
0f113f3e
MC		 311 EVP_PKEY_CTX_free(rctx);
312 return NULL;
8bdcef40 313
0f113f3e 314}
8bdcef40 315
ba30bad5 316int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 317{
318 if (app_pkey_methods == NULL) {
319 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
3484236d
F		 320 if (app_pkey_methods == NULL){
321 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
0f113f3e 322 return 0;
3484236d 323 }
0f113f3e 324 }
3484236d
F		 325 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
326 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
0f113f3e 327 return 0;
3484236d 328 }
0f113f3e
MC		 329 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
330 return 1;
331}
ba30bad5 332
0822e89a
PY		 333void evp_app_cleanup_int(void)
334{
335 if (app_pkey_methods != NULL)
336 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
337}
338
339int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
340{
341 const EVP_PKEY_METHOD *ret;
342
343 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
344
345 return ret == NULL ? 0 : 1;
346}
347
48ed9c23
DSH		 348size_t EVP_PKEY_meth_get_count(void)
349{
350 size_t rv = OSSL_NELEM(standard_methods);
351
352 if (app_pkey_methods)
353 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
354 return rv;
355}
356
357const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
358{
359 if (idx < OSSL_NELEM(standard_methods))
360 return standard_methods[idx];
361 if (app_pkey_methods == NULL)
362 return NULL;
363 idx -= OSSL_NELEM(standard_methods);
364 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
365 return NULL;
366 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
367}
368
5da98aa6 369void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 370{
371 if (ctx == NULL)
372 return;
373 if (ctx->pmeth && ctx->pmeth->cleanup)
374 ctx->pmeth->cleanup(ctx);
ff64702b
MC		 375
376 if (ctx->exchprovctx != NULL && ctx->exchange != NULL)
377 ctx->exchange->freectx(ctx->exchprovctx);
378
379 EVP_KEYEXCH_free(ctx->exchange);
380
c5ba2d99
RS		 381 EVP_PKEY_free(ctx->pkey);
382 EVP_PKEY_free(ctx->peerkey);
c9777d26 383#ifndef OPENSSL_NO_ENGINE
7c96dbcd 384 ENGINE_finish(ctx->engine);
c9777d26 385#endif
0f113f3e
MC		 386 OPENSSL_free(ctx);
387}
5da98aa6 388
35aca9ec
MC		 389int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
390{
391 if (ctx->exchprovctx != NULL && ctx->exchange != NULL)
392 return ctx->exchange->set_params(ctx->exchprovctx, params);
393 return 0;
394}
395
76ca35e7 396#ifndef OPENSSL_NO_DH
35aca9ec
MC		 397int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
398{
399 OSSL_PARAM dh_pad_params[2];
400
401 /* TODO(3.0): Remove this eventually when no more legacy */
402 if (ctx->exchprovctx == NULL)
403 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
404 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
405
406 dh_pad_params[0] = OSSL_PARAM_construct_int(OSSL_EXCHANGE_PARAM_PAD, &pad);
407 dh_pad_params[1] = OSSL_PARAM_construct_end();
408
409 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
410}
76ca35e7 411#endif
35aca9ec
MC		 412
413static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
414 int cmd, int p1, void *p2)
415{
416 switch (cmd) {
76ca35e7 417#ifndef OPENSSL_NO_DH
35aca9ec
MC		 418 case EVP_PKEY_CTRL_DH_PAD:
419 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
76ca35e7 420#endif
35aca9ec
MC		 421 }
422 return 0;
423}
424
0b6f3c66 425int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 426 int cmd, int p1, void *p2)
427{
428 int ret;
4803717f 429
35aca9ec
MC		 430 if (ctx == NULL) {
431 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
432 return -2;
433 }
434
435 if (ctx->exchprovctx != NULL)
436 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
437
438 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
0f113f3e
MC		 439 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
440 return -2;
441 }
442 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
443 return -1;
444
4803717f
PY		 445 /* Skip the operation checks since this is called in a very early stage */
446 if (ctx->pmeth->digest_custom != NULL)
447 goto doit;
448
0f113f3e
MC		 449 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
450 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
451 return -1;
452 }
453
454 if ((optype != -1) && !(ctx->operation & optype)) {
455 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
456 return -1;
457 }
458
4803717f 459 doit:
0f113f3e
MC		 460 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
461
462 if (ret == -2)
463 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
464
465 return ret;
0f113f3e 466}
0b6f3c66 467
cefa762e 468int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 469 int cmd, uint64_t value)
cefa762e
JB		 470{
471 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
472}
473
35aca9ec
MC		 474static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
475 const char *value)
476{
76ca35e7 477#ifndef OPENSSL_NO_DH
35aca9ec
MC		 478 if (strcmp(name, "dh_pad") == 0) {
479 int pad;
480
481 pad = atoi(value);
482 return EVP_PKEY_CTX_set_dh_pad(ctx, pad);
483 }
76ca35e7 484#endif
35aca9ec
MC		 485 return 0;
486}
487
4a3dc3c0 488int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 489 const char *name, const char *value)
490{
35aca9ec
MC		 491 if (ctx == NULL) {
492 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
493 return -2;
494 }
495
496 if (ctx->exchprovctx != NULL)
497 return legacy_ctrl_str_to_param(ctx, name, value);
498
0f113f3e
MC		 499 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
500 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
501 return -2;
502 }
410877ba
DSH		 503 if (strcmp(name, "digest") == 0)
504 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
505 value);
0f113f3e
MC		 506 return ctx->pmeth->ctrl_str(ctx, name, value);
507}
f5cda4cb 508
99119000
DSH		 509/* Utility functions to send a string of hex string to a ctrl */
510
511int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
512{
513 size_t len;
514
515 len = strlen(str);
516 if (len > INT_MAX)
517 return -1;
518 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
519}
520
521int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
522{
523 unsigned char *bin;
524 long binlen;
525 int rv = -1;
526
14f051a0 527 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 528 if (bin == NULL)
529 return 0;
530 if (binlen <= INT_MAX)
531 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
532 OPENSSL_free(bin);
533 return rv;
534}
52ad523c 535
410877ba
DSH		 536/* Pass a message digest to a ctrl */
537int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
538{
539 const EVP_MD *m;
c82bafc5 540
410877ba
DSH		 541 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
542 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
543 return 0;
544 }
545 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
546}
99119000 547
b28dea4e 548int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 549{
550 return ctx->operation;
551}
b28dea4e
DSH		 552
553void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 554{
555 ctx->keygen_info = dat;
556 ctx->keygen_info_count = datlen;
557}
b28dea4e 558
f5cda4cb 559void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 560{
561 ctx->data = data;
562}
f5cda4cb 563
9fdcc21f 564void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
0f113f3e
MC		 565{
566 return ctx->data;
567}
f5cda4cb 568
81cebb8b 569EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 570{
571 return ctx->pkey;
572}
81cebb8b 573
0e1dba93 574EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 575{
576 return ctx->peerkey;
577}
578
f5cda4cb 579void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 580{
581 ctx->app_data = data;
582}
f5cda4cb
DSH		 583
584void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 585{
586 return ctx->app_data;
587}
ba30bad5
DSH		 588
589void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 590 int (*init) (EVP_PKEY_CTX *ctx))
591{
592 pmeth->init = init;
593}
8bdcef40
DSH		 594
595void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e 596 int (*copy) (EVP_PKEY_CTX *dst,
9fdcc21f 597 const EVP_PKEY_CTX *src))
0f113f3e
MC		 598{
599 pmeth->copy = copy;
600}
ba30bad5
DSH		 601
602void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 603 void (*cleanup) (EVP_PKEY_CTX *ctx))
604{
605 pmeth->cleanup = cleanup;
606}
ba30bad5
DSH		 607
608void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 609 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
610 int (*paramgen) (EVP_PKEY_CTX *ctx,
611 EVP_PKEY *pkey))
612{
613 pmeth->paramgen_init = paramgen_init;
614 pmeth->paramgen = paramgen;
615}
ba30bad5
DSH		 616
617void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 618 int (*keygen_init) (EVP_PKEY_CTX *ctx),
619 int (*keygen) (EVP_PKEY_CTX *ctx,
620 EVP_PKEY *pkey))
621{
622 pmeth->keygen_init = keygen_init;
623 pmeth->keygen = keygen;
624}
ba30bad5
DSH		 625
626void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 627 int (*sign_init) (EVP_PKEY_CTX *ctx),
628 int (*sign) (EVP_PKEY_CTX *ctx,
629 unsigned char *sig, size_t *siglen,
630 const unsigned char *tbs,
631 size_t tbslen))
632{
633 pmeth->sign_init = sign_init;
634 pmeth->sign = sign;
635}
ba30bad5
DSH		 636
637void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 638 int (*verify_init) (EVP_PKEY_CTX *ctx),
639 int (*verify) (EVP_PKEY_CTX *ctx,
640 const unsigned char *sig,
641 size_t siglen,
642 const unsigned char *tbs,
643 size_t tbslen))
644{
645 pmeth->verify_init = verify_init;
646 pmeth->verify = verify;
647}
ba30bad5
DSH		 648
649void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 650 int (*verify_recover_init) (EVP_PKEY_CTX
651 *ctx),
652 int (*verify_recover) (EVP_PKEY_CTX
653 *ctx,
654 unsigned char
655 *sig,
656 size_t *siglen,
657 const unsigned
658 char *tbs,
659 size_t tbslen))
660{
661 pmeth->verify_recover_init = verify_recover_init;
662 pmeth->verify_recover = verify_recover;
663}
ba30bad5
DSH		 664
665void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 666 int (*signctx_init) (EVP_PKEY_CTX *ctx,
667 EVP_MD_CTX *mctx),
668 int (*signctx) (EVP_PKEY_CTX *ctx,
669 unsigned char *sig,
670 size_t *siglen,
671 EVP_MD_CTX *mctx))
672{
673 pmeth->signctx_init = signctx_init;
674 pmeth->signctx = signctx;
675}
ba30bad5
DSH		 676
677void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 678 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
679 EVP_MD_CTX *mctx),
680 int (*verifyctx) (EVP_PKEY_CTX *ctx,
681 const unsigned char *sig,
682 int siglen,
683 EVP_MD_CTX *mctx))
684{
685 pmeth->verifyctx_init = verifyctx_init;
686 pmeth->verifyctx = verifyctx;
687}
ba30bad5
DSH		 688
689void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 690 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
691 int (*encryptfn) (EVP_PKEY_CTX *ctx,
692 unsigned char *out,
693 size_t *outlen,
694 const unsigned char *in,
695 size_t inlen))
696{
697 pmeth->encrypt_init = encrypt_init;
698 pmeth->encrypt = encryptfn;
699}
ba30bad5
DSH		 700
701void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 702 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
703 int (*decrypt) (EVP_PKEY_CTX *ctx,
704 unsigned char *out,
705 size_t *outlen,
706 const unsigned char *in,
707 size_t inlen))
708{
709 pmeth->decrypt_init = decrypt_init;
710 pmeth->decrypt = decrypt;
711}
ba30bad5
DSH		 712
713void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 714 int (*derive_init) (EVP_PKEY_CTX *ctx),
715 int (*derive) (EVP_PKEY_CTX *ctx,
716 unsigned char *key,
717 size_t *keylen))
718{
719 pmeth->derive_init = derive_init;
720 pmeth->derive = derive;
721}
ba30bad5
DSH		 722
723void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 724 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
725 void *p2),
726 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
727 const char *type,
728 const char *value))
729{
730 pmeth->ctrl = ctrl;
731 pmeth->ctrl_str = ctrl_str;
732}
e7451ed1 733
2aee35d3
PY		 734void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
735 int (*check) (EVP_PKEY *pkey))
736{
737 pmeth->check = check;
738}
739
b0004708
PY		 740void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
741 int (*check) (EVP_PKEY *pkey))
742{
743 pmeth->public_check = check;
744}
745
746void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
747 int (*check) (EVP_PKEY *pkey))
748{
749 pmeth->param_check = check;
750}
751
0a8fdef7
PY		 752void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
753 int (*digest_custom) (EVP_PKEY_CTX *ctx,
754 EVP_MD_CTX *mctx))
755{
756 pmeth->digest_custom = digest_custom;
757}
758
693be9a2 759void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 760 int (**pinit) (EVP_PKEY_CTX *ctx))
761{
762 *pinit = pmeth->init;
763}
764
693be9a2 765void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
e7451ed1 766 int (**pcopy) (EVP_PKEY_CTX *dst,
9fdcc21f 767 const EVP_PKEY_CTX *src))
e7451ed1
DSH		 768{
769 *pcopy = pmeth->copy;
770}
771
693be9a2 772void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 773 void (**pcleanup) (EVP_PKEY_CTX *ctx))
774{
775 *pcleanup = pmeth->cleanup;
776}
777
693be9a2 778void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 779 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
780 int (**pparamgen) (EVP_PKEY_CTX *ctx,
781 EVP_PKEY *pkey))
782{
783 if (pparamgen_init)
784 *pparamgen_init = pmeth->paramgen_init;
785 if (pparamgen)
786 *pparamgen = pmeth->paramgen;
787}
788
693be9a2 789void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 790 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
791 int (**pkeygen) (EVP_PKEY_CTX *ctx,
792 EVP_PKEY *pkey))
793{
794 if (pkeygen_init)
795 *pkeygen_init = pmeth->keygen_init;
796 if (pkeygen)
797 *pkeygen = pmeth->keygen;
798}
799
693be9a2 800void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 801 int (**psign_init) (EVP_PKEY_CTX *ctx),
802 int (**psign) (EVP_PKEY_CTX *ctx,
803 unsigned char *sig, size_t *siglen,
804 const unsigned char *tbs,
805 size_t tbslen))
806{
807 if (psign_init)
808 *psign_init = pmeth->sign_init;
809 if (psign)
810 *psign = pmeth->sign;
811}
812
693be9a2 813void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 814 int (**pverify_init) (EVP_PKEY_CTX *ctx),
815 int (**pverify) (EVP_PKEY_CTX *ctx,
816 const unsigned char *sig,
817 size_t siglen,
818 const unsigned char *tbs,
819 size_t tbslen))
820{
821 if (pverify_init)
822 *pverify_init = pmeth->verify_init;
823 if (pverify)
824 *pverify = pmeth->verify;
825}
826
693be9a2 827void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 828 int (**pverify_recover_init) (EVP_PKEY_CTX
829 *ctx),
830 int (**pverify_recover) (EVP_PKEY_CTX
831 *ctx,
832 unsigned char
833 *sig,
834 size_t *siglen,
835 const unsigned
836 char *tbs,
837 size_t tbslen))
838{
839 if (pverify_recover_init)
840 *pverify_recover_init = pmeth->verify_recover_init;
841 if (pverify_recover)
842 *pverify_recover = pmeth->verify_recover;
843}
844
693be9a2 845void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 846 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
847 EVP_MD_CTX *mctx),
848 int (**psignctx) (EVP_PKEY_CTX *ctx,
849 unsigned char *sig,
850 size_t *siglen,
851 EVP_MD_CTX *mctx))
852{
853 if (psignctx_init)
854 *psignctx_init = pmeth->signctx_init;
855 if (psignctx)
856 *psignctx = pmeth->signctx;
857}
858
693be9a2 859void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 860 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
861 EVP_MD_CTX *mctx),
862 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
863 const unsigned char *sig,
864 int siglen,
865 EVP_MD_CTX *mctx))
866{
867 if (pverifyctx_init)
868 *pverifyctx_init = pmeth->verifyctx_init;
869 if (pverifyctx)
870 *pverifyctx = pmeth->verifyctx;
871}
872
693be9a2 873void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 874 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
875 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
876 unsigned char *out,
877 size_t *outlen,
878 const unsigned char *in,
879 size_t inlen))
880{
881 if (pencrypt_init)
882 *pencrypt_init = pmeth->encrypt_init;
883 if (pencryptfn)
884 *pencryptfn = pmeth->encrypt;
885}
886
693be9a2 887void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 888 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
889 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
890 unsigned char *out,
891 size_t *outlen,
892 const unsigned char *in,
893 size_t inlen))
894{
895 if (pdecrypt_init)
896 *pdecrypt_init = pmeth->decrypt_init;
897 if (pdecrypt)
898 *pdecrypt = pmeth->decrypt;
899}
900
693be9a2 901void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 902 int (**pderive_init) (EVP_PKEY_CTX *ctx),
903 int (**pderive) (EVP_PKEY_CTX *ctx,
904 unsigned char *key,
905 size_t *keylen))
906{
907 if (pderive_init)
908 *pderive_init = pmeth->derive_init;
909 if (pderive)
910 *pderive = pmeth->derive;
911}
912
693be9a2 913void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 914 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
915 void *p2),
916 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
917 const char *type,
918 const char *value))
919{
920 if (pctrl)
921 *pctrl = pmeth->ctrl;
922 if (pctrl_str)
923 *pctrl_str = pmeth->ctrl_str;
924}
2aee35d3 925
693be9a2 926void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2aee35d3
PY		 927 int (**pcheck) (EVP_PKEY *pkey))
928{
34f5c8b1 929 if (pcheck != NULL)
2aee35d3
PY		 930 *pcheck = pmeth->check;
931}
b0004708 932
693be9a2 933void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 934 int (**pcheck) (EVP_PKEY *pkey))
935{
34f5c8b1 936 if (pcheck != NULL)
b0004708
PY		 937 *pcheck = pmeth->public_check;
938}
939
693be9a2 940void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 941 int (**pcheck) (EVP_PKEY *pkey))
942{
34f5c8b1 943 if (pcheck != NULL)
b0004708
PY		 944 *pcheck = pmeth->param_check;
945}
0a8fdef7
PY		 946
947void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
948 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
949 EVP_MD_CTX *mctx))
950{
675f4cee 951 if (pdigest_custom != NULL)
0a8fdef7
PY		 952 *pdigest_custom = pmeth->digest_custom;
953}
A mirror of the official openssl repository