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0f113f3e | 1 | /* |
33388b44 | 2 | * Copyright 2006-2020 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 | ||
ada66e78 | 10 | /* |
b03ec3b5 | 11 | * Low level key APIs (DH etc) are deprecated for public use, but still ok for |
ada66e78 P |
12 | * internal use. |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
0b6f3c66 DSH |
16 | #include <stdio.h> |
17 | #include <stdlib.h> | |
3c27208f | 18 | #include <openssl/engine.h> |
33bed28b | 19 | #include <openssl/evp.h> |
99119000 | 20 | #include <openssl/x509v3.h> |
35aca9ec MC |
21 | #include <openssl/core_names.h> |
22 | #include <openssl/dh.h> | |
89abd1b6 | 23 | #include <openssl/rsa.h> |
35aca9ec | 24 | #include "internal/cryptlib.h" |
25f2138b DMSP |
25 | #include "crypto/asn1.h" |
26 | #include "crypto/evp.h" | |
7165593c SL |
27 | #include "crypto/dh.h" |
28 | #include "internal/ffc.h" | |
99119000 | 29 | #include "internal/numbers.h" |
390acbeb | 30 | #include "internal/provider.h" |
706457b7 | 31 | #include "evp_local.h" |
0b6f3c66 | 32 | |
f844f9eb | 33 | #ifndef FIPS_MODULE |
e683582b | 34 | |
19bd1fa1 | 35 | typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void); |
0f113f3e | 36 | typedef int sk_cmp_fn_type(const char *const *a, const char *const *b); |
5ce278a7 | 37 | |
df2ee0e2 | 38 | static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; |
0b6f3c66 | 39 | |
cefa762e | 40 | /* This array needs to be in order of NIDs */ |
19bd1fa1 | 41 | static pmeth_fn standard_methods[] = { |
e683582b | 42 | # ifndef OPENSSL_NO_RSA |
19bd1fa1 | 43 | rsa_pkey_method, |
e683582b SL |
44 | # endif |
45 | # ifndef OPENSSL_NO_DH | |
19bd1fa1 | 46 | dh_pkey_method, |
e683582b SL |
47 | # endif |
48 | # ifndef OPENSSL_NO_DSA | |
19bd1fa1 | 49 | dsa_pkey_method, |
e683582b SL |
50 | # endif |
51 | # ifndef OPENSSL_NO_EC | |
19bd1fa1 | 52 | ec_pkey_method, |
e683582b | 53 | # endif |
19bd1fa1 | 54 | hmac_pkey_method, |
e683582b | 55 | # ifndef OPENSSL_NO_CMAC |
19bd1fa1 | 56 | cmac_pkey_method, |
e683582b SL |
57 | # endif |
58 | # ifndef OPENSSL_NO_RSA | |
19bd1fa1 | 59 | rsa_pss_pkey_method, |
e683582b SL |
60 | # endif |
61 | # ifndef OPENSSL_NO_DH | |
19bd1fa1 | 62 | dhx_pkey_method, |
e683582b SL |
63 | # endif |
64 | # ifndef OPENSSL_NO_SCRYPT | |
19bd1fa1 | 65 | scrypt_pkey_method, |
e683582b | 66 | # endif |
19bd1fa1 | 67 | tls1_prf_pkey_method, |
e683582b | 68 | # ifndef OPENSSL_NO_EC |
19bd1fa1 PS |
69 | ecx25519_pkey_method, |
70 | ecx448_pkey_method, | |
e683582b | 71 | # endif |
19bd1fa1 | 72 | hkdf_pkey_method, |
e683582b | 73 | # ifndef OPENSSL_NO_POLY1305 |
19bd1fa1 | 74 | poly1305_pkey_method, |
e683582b SL |
75 | # endif |
76 | # ifndef OPENSSL_NO_SIPHASH | |
19bd1fa1 | 77 | siphash_pkey_method, |
e683582b SL |
78 | # endif |
79 | # ifndef OPENSSL_NO_EC | |
19bd1fa1 PS |
80 | ed25519_pkey_method, |
81 | ed448_pkey_method, | |
e683582b SL |
82 | # endif |
83 | # ifndef OPENSSL_NO_SM2 | |
19bd1fa1 | 84 | sm2_pkey_method, |
e683582b | 85 | # endif |
0f113f3e | 86 | }; |
0b6f3c66 | 87 | |
19bd1fa1 PS |
88 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); |
89 | ||
90 | static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b) | |
91 | { | |
92 | return ((*a)->pkey_id - ((**b)())->pkey_id); | |
93 | } | |
94 | ||
95 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); | |
babb3798 | 96 | |
0f113f3e MC |
97 | static int pmeth_cmp(const EVP_PKEY_METHOD *const *a, |
98 | const EVP_PKEY_METHOD *const *b) | |
99 | { | |
100 | return ((*a)->pkey_id - (*b)->pkey_id); | |
101 | } | |
0b6f3c66 | 102 | |
c9777d26 | 103 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) |
0f113f3e | 104 | { |
19bd1fa1 | 105 | pmeth_fn *ret; |
0f113f3e | 106 | EVP_PKEY_METHOD tmp; |
19bd1fa1 | 107 | const EVP_PKEY_METHOD *t = &tmp; |
12a765a5 | 108 | |
0f113f3e MC |
109 | tmp.pkey_id = type; |
110 | if (app_pkey_methods) { | |
111 | int idx; | |
112 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); | |
113 | if (idx >= 0) | |
114 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
115 | } | |
19bd1fa1 PS |
116 | ret = OBJ_bsearch_pmeth_func(&t, standard_methods, |
117 | sizeof(standard_methods) / | |
118 | sizeof(pmeth_fn)); | |
12a765a5 | 119 | if (ret == NULL || *ret == NULL) |
0f113f3e | 120 | return NULL; |
19bd1fa1 | 121 | return (**ret)(); |
0f113f3e | 122 | } |
0b6f3c66 | 123 | |
e683582b SL |
124 | EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags) |
125 | { | |
126 | EVP_PKEY_METHOD *pmeth; | |
127 | ||
128 | pmeth = OPENSSL_zalloc(sizeof(*pmeth)); | |
129 | if (pmeth == NULL) { | |
130 | EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE); | |
131 | return NULL; | |
132 | } | |
133 | ||
134 | pmeth->pkey_id = id; | |
135 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; | |
136 | return pmeth; | |
137 | } | |
f844f9eb | 138 | #endif /* FIPS_MODULE */ |
e683582b | 139 | |
b533510f MC |
140 | static int is_legacy_alg(int id, const char *keytype) |
141 | { | |
142 | #ifndef FIPS_MODULE | |
143 | /* Certain EVP_PKEY keytypes are only available in legacy form */ | |
144 | if (id == -1) { | |
145 | id = OBJ_sn2nid(keytype); | |
146 | if (id == NID_undef) | |
147 | id = OBJ_ln2nid(keytype); | |
148 | if (id == NID_undef) | |
149 | return 0; | |
150 | } | |
151 | switch (id) { | |
152 | /* | |
153 | * TODO(3.0): Remove SM2 and DHX when they are converted to have provider | |
154 | * support | |
155 | */ | |
156 | case EVP_PKEY_SM2: | |
157 | case EVP_PKEY_DHX: | |
158 | case EVP_PKEY_SCRYPT: | |
159 | case EVP_PKEY_TLS1_PRF: | |
160 | case EVP_PKEY_HKDF: | |
161 | case EVP_PKEY_CMAC: | |
162 | case EVP_PKEY_HMAC: | |
163 | case EVP_PKEY_SIPHASH: | |
164 | case EVP_PKEY_POLY1305: | |
165 | return 1; | |
166 | default: | |
167 | return 0; | |
168 | } | |
169 | #else | |
170 | return 0; | |
171 | #endif | |
172 | } | |
173 | ||
3ee348b0 RL |
174 | static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx, |
175 | EVP_PKEY *pkey, ENGINE *e, | |
4b9e90f4 | 176 | const char *keytype, const char *propquery, |
a07c17ef | 177 | int id) |
e683582b | 178 | |
0f113f3e MC |
179 | { |
180 | EVP_PKEY_CTX *ret; | |
d0ea49a8 | 181 | const EVP_PKEY_METHOD *pmeth = NULL; |
4b9e90f4 | 182 | EVP_KEYMGMT *keymgmt = NULL; |
d0ea49a8 RL |
183 | |
184 | /* | |
185 | * When using providers, the context is bound to the algo implementation | |
186 | * later. | |
187 | */ | |
188 | if (pkey == NULL && e == NULL && id == -1) | |
189 | goto common; | |
2f2e6b62 | 190 | |
982efd77 | 191 | /* |
5e5bc836 RL |
192 | * If the internal key is provided, we extract the keytype from its |
193 | * keymgmt and skip over the legacy code. | |
982efd77 | 194 | */ |
5e5bc836 | 195 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
982efd77 RL |
196 | /* If we have an engine, something went wrong somewhere... */ |
197 | if (!ossl_assert(e == NULL)) | |
198 | return NULL; | |
4b9e90f4 | 199 | keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id); |
982efd77 RL |
200 | goto common; |
201 | } | |
f844f9eb | 202 | #ifndef FIPS_MODULE |
d0ea49a8 RL |
203 | /* TODO(3.0) Legacy code should be removed when all is provider based */ |
204 | /* BEGIN legacy */ | |
0f113f3e | 205 | if (id == -1) { |
a6465b3f | 206 | if (pkey == NULL) |
982efd77 | 207 | return NULL; |
2f2e6b62 | 208 | id = pkey->type; |
0f113f3e | 209 | } |
60653e5b RL |
210 | |
211 | /* | |
212 | * Here, we extract what information we can for the purpose of | |
213 | * supporting usage with implementations from providers, to make | |
214 | * for a smooth transition from legacy stuff to provider based stuff. | |
215 | * | |
216 | * If an engine is given, this is entirely legacy, and we should not | |
217 | * pretend anything else, so we only set the name when no engine is | |
218 | * given. If both are already given, someone made a mistake, and | |
219 | * since that can only happen internally, it's safe to make an | |
220 | * assertion. | |
221 | */ | |
4b9e90f4 | 222 | if (!ossl_assert(e == NULL || keytype == NULL)) |
60653e5b RL |
223 | return NULL; |
224 | if (e == NULL) | |
4b9e90f4 | 225 | keytype = OBJ_nid2sn(id); |
60653e5b | 226 | |
e683582b | 227 | # ifndef OPENSSL_NO_ENGINE |
c2976edf | 228 | if (e == NULL && pkey != NULL) |
d19b01ad | 229 | e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine; |
0f113f3e MC |
230 | /* Try to find an ENGINE which implements this method */ |
231 | if (e) { | |
232 | if (!ENGINE_init(e)) { | |
233 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB); | |
234 | return NULL; | |
235 | } | |
c2976edf | 236 | } else { |
0f113f3e | 237 | e = ENGINE_get_pkey_meth_engine(id); |
c2976edf | 238 | } |
0f113f3e MC |
239 | |
240 | /* | |
0d4fb843 | 241 | * If an ENGINE handled this method look it up. Otherwise use internal |
0f113f3e MC |
242 | * tables. |
243 | */ | |
0f113f3e MC |
244 | if (e) |
245 | pmeth = ENGINE_get_pkey_meth(e, id); | |
246 | else | |
e683582b | 247 | # endif |
0f113f3e | 248 | pmeth = EVP_PKEY_meth_find(id); |
c9777d26 | 249 | |
0f113f3e | 250 | if (pmeth == NULL) { |
e683582b | 251 | # ifndef OPENSSL_NO_ENGINE |
918a27fa | 252 | ENGINE_finish(e); |
e683582b | 253 | # endif |
0f113f3e MC |
254 | EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM); |
255 | return NULL; | |
256 | } | |
d0ea49a8 | 257 | /* END legacy */ |
f844f9eb | 258 | #endif /* FIPS_MODULE */ |
d0ea49a8 | 259 | common: |
4b9e90f4 RL |
260 | /* |
261 | * If there's no engine and there's a name, we try fetching a provider | |
262 | * implementation. | |
263 | */ | |
5fcb97c6 | 264 | if (e == NULL && keytype != NULL) { |
b533510f MC |
265 | int legacy = is_legacy_alg(id, keytype); |
266 | ||
267 | if (legacy) { | |
268 | /* This could fail so ignore errors */ | |
269 | ERR_set_mark(); | |
270 | } | |
271 | ||
4b9e90f4 | 272 | keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery); |
b533510f MC |
273 | if (legacy) { |
274 | ERR_pop_to_mark(); | |
275 | } else if (keymgmt == NULL) { | |
276 | EVPerr(EVP_F_INT_CTX_NEW, EVP_R_FETCH_FAILED); | |
277 | return NULL; | |
278 | } | |
5fcb97c6 | 279 | } |
4b9e90f4 | 280 | |
64b25758 | 281 | ret = OPENSSL_zalloc(sizeof(*ret)); |
90945fa3 | 282 | if (ret == NULL) { |
b5bcc053 | 283 | EVP_KEYMGMT_free(keymgmt); |
f844f9eb | 284 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
7c96dbcd | 285 | ENGINE_finish(e); |
a63bf2c5 | 286 | #endif |
0f113f3e MC |
287 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE); |
288 | return NULL; | |
289 | } | |
3ee348b0 | 290 | ret->libctx = libctx; |
a07c17ef | 291 | ret->propquery = propquery; |
4b9e90f4 RL |
292 | ret->keytype = keytype; |
293 | ret->keymgmt = keymgmt; | |
0f113f3e MC |
294 | ret->engine = e; |
295 | ret->pmeth = pmeth; | |
296 | ret->operation = EVP_PKEY_OP_UNDEFINED; | |
297 | ret->pkey = pkey; | |
a6465b3f | 298 | if (pkey != NULL) |
03273d61 | 299 | EVP_PKEY_up_ref(pkey); |
0f113f3e | 300 | |
8b84b075 | 301 | if (pmeth != NULL && pmeth->init != NULL) { |
0f113f3e | 302 | if (pmeth->init(ret) <= 0) { |
83b4049a | 303 | ret->pmeth = NULL; |
0f113f3e MC |
304 | EVP_PKEY_CTX_free(ret); |
305 | return NULL; | |
306 | } | |
307 | } | |
308 | ||
309 | return ret; | |
310 | } | |
311 | ||
f844f9eb | 312 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
313 | |
314 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx, | |
315 | const char *name, | |
316 | const char *propquery) | |
317 | { | |
318 | return int_ctx_new(libctx, NULL, NULL, name, propquery, -1); | |
319 | } | |
320 | ||
2ee4a50a MC |
321 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey, |
322 | const char *propquery) | |
e683582b | 323 | { |
2ee4a50a | 324 | return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1); |
e683582b SL |
325 | } |
326 | ||
864b89ce MC |
327 | void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx) |
328 | { | |
e683582b | 329 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
864b89ce MC |
330 | if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL) |
331 | ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx); | |
332 | EVP_SIGNATURE_free(ctx->op.sig.signature); | |
fb1ecf85 RL |
333 | ctx->op.sig.sigprovctx = NULL; |
334 | ctx->op.sig.signature = NULL; | |
62f49b90 | 335 | } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { |
e683582b SL |
336 | if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL) |
337 | ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx); | |
338 | EVP_KEYEXCH_free(ctx->op.kex.exchange); | |
339 | ctx->op.kex.exchprovctx = NULL; | |
340 | ctx->op.kex.exchange = NULL; | |
62f49b90 SL |
341 | } |
342 | /* TODO(3.0): add dependancies and uncomment this when available for fips mode */ | |
f844f9eb | 343 | #ifndef FIPS_MODULE |
62f49b90 | 344 | else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) { |
2c938e2e MC |
345 | if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL) |
346 | ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx); | |
347 | EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher); | |
348 | ctx->op.ciph.ciphprovctx = NULL; | |
349 | ctx->op.ciph.cipher = NULL; | |
62924755 RL |
350 | } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) { |
351 | if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL) | |
352 | evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx); | |
864b89ce | 353 | } |
e683582b | 354 | #endif |
864b89ce MC |
355 | } |
356 | ||
e683582b | 357 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) |
0f113f3e | 358 | { |
e683582b SL |
359 | if (ctx == NULL) |
360 | return; | |
361 | if (ctx->pmeth && ctx->pmeth->cleanup) | |
362 | ctx->pmeth->cleanup(ctx); | |
b4faea50 | 363 | |
e683582b SL |
364 | evp_pkey_ctx_free_old_ops(ctx); |
365 | EVP_KEYMGMT_free(ctx->keymgmt); | |
0f113f3e | 366 | |
e683582b SL |
367 | EVP_PKEY_free(ctx->pkey); |
368 | EVP_PKEY_free(ctx->peerkey); | |
f844f9eb | 369 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
e683582b SL |
370 | ENGINE_finish(ctx->engine); |
371 | #endif | |
372 | OPENSSL_free(ctx); | |
0f113f3e | 373 | } |
ba30bad5 | 374 | |
f844f9eb | 375 | #ifndef FIPS_MODULE |
e683582b | 376 | |
f830c68f | 377 | void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, |
0f113f3e MC |
378 | const EVP_PKEY_METHOD *meth) |
379 | { | |
380 | if (ppkey_id) | |
381 | *ppkey_id = meth->pkey_id; | |
382 | if (pflags) | |
383 | *pflags = meth->flags; | |
384 | } | |
f830c68f DSH |
385 | |
386 | void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
0f113f3e | 387 | { |
4cbb196b AT |
388 | int pkey_id = dst->pkey_id; |
389 | int flags = dst->flags; | |
f830c68f | 390 | |
4cbb196b | 391 | *dst = *src; |
f830c68f | 392 | |
4cbb196b AT |
393 | /* We only copy the function pointers so restore the other values */ |
394 | dst->pkey_id = pkey_id; | |
395 | dst->flags = flags; | |
0f113f3e | 396 | } |
f830c68f | 397 | |
ba30bad5 | 398 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
399 | { |
400 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) | |
401 | OPENSSL_free(pmeth); | |
402 | } | |
ba30bad5 | 403 | |
f5cda4cb | 404 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) |
0f113f3e | 405 | { |
3ee348b0 | 406 | return int_ctx_new(NULL, pkey, e, NULL, NULL, -1); |
0f113f3e | 407 | } |
f5cda4cb DSH |
408 | |
409 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
0f113f3e | 410 | { |
3ee348b0 | 411 | return int_ctx_new(NULL, NULL, e, NULL, NULL, id); |
a07c17ef RL |
412 | } |
413 | ||
9fdcc21f | 414 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx) |
0f113f3e MC |
415 | { |
416 | EVP_PKEY_CTX *rctx; | |
ff64702b MC |
417 | |
418 | if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL)) | |
864b89ce MC |
419 | && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx) |
420 | && pctx->op.kex.exchprovctx == NULL) | |
421 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx) | |
422 | && pctx->op.sig.sigprovctx == NULL))) | |
0f113f3e | 423 | return NULL; |
e683582b | 424 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
425 | /* Make sure it's safe to copy a pkey context using an ENGINE */ |
426 | if (pctx->engine && !ENGINE_init(pctx->engine)) { | |
427 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB); | |
428 | return 0; | |
429 | } | |
e683582b | 430 | # endif |
ff64702b | 431 | rctx = OPENSSL_zalloc(sizeof(*rctx)); |
3484236d F |
432 | if (rctx == NULL) { |
433 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 434 | return NULL; |
3484236d | 435 | } |
8bdcef40 | 436 | |
ff64702b MC |
437 | if (pctx->pkey != NULL) |
438 | EVP_PKEY_up_ref(pctx->pkey); | |
439 | rctx->pkey = pctx->pkey; | |
440 | rctx->operation = pctx->operation; | |
3ee348b0 | 441 | rctx->libctx = pctx->libctx; |
f23bc0b7 | 442 | rctx->keytype = pctx->keytype; |
a07c17ef | 443 | rctx->propquery = pctx->propquery; |
ff64702b | 444 | |
864b89ce MC |
445 | if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) { |
446 | if (pctx->op.kex.exchange != NULL) { | |
447 | rctx->op.kex.exchange = pctx->op.kex.exchange; | |
448 | if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) { | |
449 | OPENSSL_free(rctx); | |
450 | return NULL; | |
451 | } | |
ff64702b | 452 | } |
864b89ce MC |
453 | if (pctx->op.kex.exchprovctx != NULL) { |
454 | if (!ossl_assert(pctx->op.kex.exchange != NULL)) | |
455 | return NULL; | |
456 | rctx->op.kex.exchprovctx | |
457 | = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx); | |
458 | if (rctx->op.kex.exchprovctx == NULL) { | |
459 | EVP_KEYEXCH_free(rctx->op.kex.exchange); | |
460 | OPENSSL_free(rctx); | |
461 | return NULL; | |
462 | } | |
463 | return rctx; | |
464 | } | |
465 | } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) { | |
466 | if (pctx->op.sig.signature != NULL) { | |
467 | rctx->op.sig.signature = pctx->op.sig.signature; | |
468 | if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) { | |
469 | OPENSSL_free(rctx); | |
470 | return NULL; | |
471 | } | |
472 | } | |
473 | if (pctx->op.sig.sigprovctx != NULL) { | |
474 | if (!ossl_assert(pctx->op.sig.signature != NULL)) | |
475 | return NULL; | |
476 | rctx->op.sig.sigprovctx | |
477 | = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx); | |
478 | if (rctx->op.sig.sigprovctx == NULL) { | |
479 | EVP_SIGNATURE_free(rctx->op.sig.signature); | |
480 | OPENSSL_free(rctx); | |
481 | return NULL; | |
482 | } | |
483 | return rctx; | |
ff64702b | 484 | } |
2c938e2e MC |
485 | } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) { |
486 | if (pctx->op.ciph.cipher != NULL) { | |
487 | rctx->op.ciph.cipher = pctx->op.ciph.cipher; | |
488 | if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) { | |
489 | OPENSSL_free(rctx); | |
490 | return NULL; | |
491 | } | |
492 | } | |
493 | if (pctx->op.ciph.ciphprovctx != NULL) { | |
494 | if (!ossl_assert(pctx->op.ciph.cipher != NULL)) | |
495 | return NULL; | |
496 | rctx->op.ciph.ciphprovctx | |
497 | = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx); | |
498 | if (rctx->op.ciph.ciphprovctx == NULL) { | |
499 | EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher); | |
500 | OPENSSL_free(rctx); | |
501 | return NULL; | |
502 | } | |
503 | return rctx; | |
504 | } | |
ff64702b MC |
505 | } |
506 | ||
0f113f3e | 507 | rctx->pmeth = pctx->pmeth; |
e683582b | 508 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e | 509 | rctx->engine = pctx->engine; |
e683582b | 510 | # endif |
8bdcef40 | 511 | |
0f113f3e | 512 | if (pctx->peerkey) |
03273d61 | 513 | EVP_PKEY_up_ref(pctx->peerkey); |
0f113f3e | 514 | rctx->peerkey = pctx->peerkey; |
8bdcef40 | 515 | |
0f113f3e MC |
516 | if (pctx->pmeth->copy(rctx, pctx) > 0) |
517 | return rctx; | |
8bdcef40 | 518 | |
83b4049a | 519 | rctx->pmeth = NULL; |
0f113f3e MC |
520 | EVP_PKEY_CTX_free(rctx); |
521 | return NULL; | |
8bdcef40 | 522 | |
0f113f3e | 523 | } |
8bdcef40 | 524 | |
ba30bad5 | 525 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
526 | { |
527 | if (app_pkey_methods == NULL) { | |
528 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); | |
3484236d F |
529 | if (app_pkey_methods == NULL){ |
530 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 531 | return 0; |
3484236d | 532 | } |
0f113f3e | 533 | } |
3484236d F |
534 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) { |
535 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 536 | return 0; |
3484236d | 537 | } |
0f113f3e MC |
538 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); |
539 | return 1; | |
540 | } | |
ba30bad5 | 541 | |
0822e89a PY |
542 | void evp_app_cleanup_int(void) |
543 | { | |
544 | if (app_pkey_methods != NULL) | |
545 | sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free); | |
546 | } | |
547 | ||
548 | int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth) | |
549 | { | |
550 | const EVP_PKEY_METHOD *ret; | |
551 | ||
552 | ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth); | |
553 | ||
554 | return ret == NULL ? 0 : 1; | |
555 | } | |
556 | ||
48ed9c23 DSH |
557 | size_t EVP_PKEY_meth_get_count(void) |
558 | { | |
559 | size_t rv = OSSL_NELEM(standard_methods); | |
560 | ||
561 | if (app_pkey_methods) | |
562 | rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods); | |
563 | return rv; | |
564 | } | |
565 | ||
566 | const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx) | |
567 | { | |
568 | if (idx < OSSL_NELEM(standard_methods)) | |
19bd1fa1 | 569 | return (standard_methods[idx])(); |
48ed9c23 DSH |
570 | if (app_pkey_methods == NULL) |
571 | return NULL; | |
572 | idx -= OSSL_NELEM(standard_methods); | |
573 | if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods)) | |
574 | return NULL; | |
575 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
576 | } | |
e683582b | 577 | #endif |
48ed9c23 | 578 | |
e683582b | 579 | int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
0f113f3e | 580 | { |
e683582b SL |
581 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
582 | && ctx->op.kex.exchprovctx != NULL | |
583 | && ctx->op.kex.exchange != NULL | |
584 | && ctx->op.kex.exchange->set_ctx_params != NULL) | |
585 | return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx, | |
586 | params); | |
587 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
588 | && ctx->op.sig.sigprovctx != NULL | |
589 | && ctx->op.sig.signature != NULL | |
590 | && ctx->op.sig.signature->set_ctx_params != NULL) | |
591 | return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx, | |
592 | params); | |
593 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
594 | && ctx->op.ciph.ciphprovctx != NULL | |
595 | && ctx->op.ciph.cipher != NULL | |
596 | && ctx->op.ciph.cipher->set_ctx_params != NULL) | |
597 | return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx, | |
598 | params); | |
62924755 RL |
599 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
600 | && ctx->op.keymgmt.genctx != NULL | |
601 | && ctx->keymgmt != NULL | |
602 | && ctx->keymgmt->gen_set_params != NULL) | |
603 | return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx, | |
604 | params); | |
e683582b | 605 | return 0; |
0f113f3e | 606 | } |
5da98aa6 | 607 | |
f844f9eb | 608 | #ifndef FIPS_MODULE |
9c45222d MC |
609 | int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
610 | { | |
4fe54d67 NT |
611 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
612 | && ctx->op.kex.exchprovctx != NULL | |
613 | && ctx->op.kex.exchange != NULL | |
614 | && ctx->op.kex.exchange->get_ctx_params != NULL) | |
615 | return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx, | |
616 | params); | |
864b89ce MC |
617 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
618 | && ctx->op.sig.sigprovctx != NULL | |
619 | && ctx->op.sig.signature != NULL | |
620 | && ctx->op.sig.signature->get_ctx_params != NULL) | |
621 | return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx, | |
622 | params); | |
2c938e2e MC |
623 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
624 | && ctx->op.ciph.ciphprovctx != NULL | |
625 | && ctx->op.ciph.cipher != NULL | |
626 | && ctx->op.ciph.cipher->get_ctx_params != NULL) | |
627 | return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx, | |
628 | params); | |
9c45222d MC |
629 | return 0; |
630 | } | |
631 | ||
632 | const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx) | |
633 | { | |
4fe54d67 NT |
634 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
635 | && ctx->op.kex.exchange != NULL | |
636 | && ctx->op.kex.exchange->gettable_ctx_params != NULL) | |
637 | return ctx->op.kex.exchange->gettable_ctx_params(); | |
864b89ce MC |
638 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
639 | && ctx->op.sig.signature != NULL | |
640 | && ctx->op.sig.signature->gettable_ctx_params != NULL) | |
641 | return ctx->op.sig.signature->gettable_ctx_params(); | |
2c938e2e MC |
642 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
643 | && ctx->op.ciph.cipher != NULL | |
644 | && ctx->op.ciph.cipher->gettable_ctx_params != NULL) | |
645 | return ctx->op.ciph.cipher->gettable_ctx_params(); | |
9c45222d MC |
646 | return NULL; |
647 | } | |
648 | ||
9c45222d MC |
649 | const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx) |
650 | { | |
864b89ce MC |
651 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
652 | && ctx->op.kex.exchange != NULL | |
653 | && ctx->op.kex.exchange->settable_ctx_params != NULL) | |
654 | return ctx->op.kex.exchange->settable_ctx_params(); | |
655 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
656 | && ctx->op.sig.signature != NULL | |
657 | && ctx->op.sig.signature->settable_ctx_params != NULL) | |
658 | return ctx->op.sig.signature->settable_ctx_params(); | |
2c938e2e MC |
659 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
660 | && ctx->op.ciph.cipher != NULL | |
661 | && ctx->op.ciph.cipher->settable_ctx_params != NULL) | |
662 | return ctx->op.ciph.cipher->settable_ctx_params(); | |
62924755 | 663 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
5e77b79a | 664 | && ctx->keymgmt != NULL) |
62924755 | 665 | return evp_keymgmt_gen_settable_params(ctx->keymgmt); |
9c45222d MC |
666 | |
667 | return NULL; | |
668 | } | |
669 | ||
4fe54d67 NT |
670 | /* |
671 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
672 | * | |
673 | * Return 1 on success, 0 or negative for errors. | |
674 | * | |
675 | * In particular they return -2 if any of the params is not supported. | |
676 | * | |
f844f9eb | 677 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
678 | * - EVP_PKEY_CTX_{get,set}_params() |
679 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
680 | * | |
681 | */ | |
682 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
683 | { | |
684 | const OSSL_PARAM *p; | |
685 | ||
686 | if (ctx == NULL || params == NULL) | |
687 | return 0; | |
688 | ||
689 | for (p = params; p->key != NULL; p++) { | |
690 | /* Check the ctx actually understands this parameter */ | |
691 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx), | |
692 | p->key) == NULL ) | |
693 | return -2; | |
694 | } | |
695 | ||
696 | return EVP_PKEY_CTX_set_params(ctx, params); | |
697 | } | |
698 | ||
699 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
700 | { | |
701 | const OSSL_PARAM *p; | |
702 | ||
703 | if (ctx == NULL || params == NULL) | |
704 | return 0; | |
705 | ||
706 | for (p = params; p->key != NULL; p++ ) { | |
707 | /* Check the ctx actually understands this parameter */ | |
708 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx), | |
709 | p->key) == NULL ) | |
710 | return -2; | |
711 | } | |
712 | ||
713 | return EVP_PKEY_CTX_get_params(ctx, params); | |
714 | } | |
715 | ||
e683582b | 716 | # ifndef OPENSSL_NO_DH |
35aca9ec MC |
717 | int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad) |
718 | { | |
719 | OSSL_PARAM dh_pad_params[2]; | |
1c3ace68 | 720 | unsigned int upad = pad; |
35aca9ec | 721 | |
864b89ce MC |
722 | /* We use EVP_PKEY_CTX_ctrl return values */ |
723 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
724 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
725 | return -2; | |
726 | } | |
727 | ||
35aca9ec | 728 | /* TODO(3.0): Remove this eventually when no more legacy */ |
864b89ce | 729 | if (ctx->op.kex.exchprovctx == NULL) |
35aca9ec MC |
730 | return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE, |
731 | EVP_PKEY_CTRL_DH_PAD, pad, NULL); | |
732 | ||
1c3ace68 | 733 | dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad); |
35aca9ec MC |
734 | dh_pad_params[1] = OSSL_PARAM_construct_end(); |
735 | ||
736 | return EVP_PKEY_CTX_set_params(ctx, dh_pad_params); | |
737 | } | |
e683582b | 738 | # endif |
35aca9ec | 739 | |
9c45222d MC |
740 | int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md) |
741 | { | |
742 | OSSL_PARAM sig_md_params[3], *p = sig_md_params; | |
743 | /* 80 should be big enough */ | |
744 | char name[80] = ""; | |
745 | const EVP_MD *tmp; | |
746 | ||
864b89ce | 747 | if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
9c45222d MC |
748 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
749 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
750 | return -2; | |
751 | } | |
752 | ||
753 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
864b89ce | 754 | if (ctx->op.sig.sigprovctx == NULL) |
9c45222d MC |
755 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, |
756 | EVP_PKEY_CTRL_GET_MD, 0, (void *)(md)); | |
757 | ||
758 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, | |
759 | name, | |
760 | sizeof(name)); | |
761 | *p++ = OSSL_PARAM_construct_end(); | |
762 | ||
763 | if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params)) | |
764 | return 0; | |
765 | ||
7606bed9 | 766 | tmp = evp_get_digestbyname_ex(ctx->libctx, name); |
9c45222d MC |
767 | if (tmp == NULL) |
768 | return 0; | |
769 | ||
770 | *md = tmp; | |
771 | ||
772 | return 1; | |
773 | } | |
774 | ||
4889dadc MC |
775 | int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
776 | { | |
00bc1ad9 | 777 | OSSL_PARAM sig_md_params[2], *p = sig_md_params; |
4889dadc MC |
778 | const char *name; |
779 | ||
864b89ce | 780 | if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
9c45222d MC |
781 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
782 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
783 | return -2; | |
784 | } | |
785 | ||
4889dadc | 786 | /* TODO(3.0): Remove this eventually when no more legacy */ |
864b89ce | 787 | if (ctx->op.sig.sigprovctx == NULL) |
4889dadc MC |
788 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, |
789 | EVP_PKEY_CTRL_MD, 0, (void *)(md)); | |
790 | ||
9c45222d MC |
791 | if (md == NULL) { |
792 | name = ""; | |
9c45222d | 793 | } else { |
9c45222d MC |
794 | name = EVP_MD_name(md); |
795 | } | |
4889dadc | 796 | |
9c45222d MC |
797 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, |
798 | /* | |
799 | * Cast away the const. This is read | |
800 | * only so should be safe | |
801 | */ | |
8b6ffd40 | 802 | (char *)name, 0); |
9c45222d | 803 | *p++ = OSSL_PARAM_construct_end(); |
4889dadc | 804 | |
9c45222d | 805 | return EVP_PKEY_CTX_set_params(ctx, sig_md_params); |
4889dadc MC |
806 | } |
807 | ||
35aca9ec MC |
808 | static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype, |
809 | int cmd, int p1, void *p2) | |
810 | { | |
71434aed DB |
811 | /* |
812 | * GOST CMS format is different for different cipher algorithms. | |
813 | * Most of other algorithms don't have such a difference | |
814 | * so this ctrl is just ignored. | |
815 | */ | |
816 | if (cmd == EVP_PKEY_CTRL_CIPHER) | |
817 | return -2; | |
7165593c | 818 | |
e683582b | 819 | # ifndef OPENSSL_NO_DH |
4fe54d67 NT |
820 | if (keytype == EVP_PKEY_DH) { |
821 | switch (cmd) { | |
822 | case EVP_PKEY_CTRL_DH_PAD: | |
823 | return EVP_PKEY_CTX_set_dh_pad(ctx, p1); | |
7165593c SL |
824 | case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN: |
825 | return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1); | |
826 | case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN: | |
827 | return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1); | |
828 | case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR: | |
829 | return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1); | |
830 | case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE: | |
831 | return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1); | |
832 | case EVP_PKEY_CTRL_DH_RFC5114: | |
833 | return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1); | |
4fe54d67 NT |
834 | } |
835 | } | |
836 | # endif | |
b03ec3b5 SL |
837 | # ifndef OPENSSL_NO_DSA |
838 | if (keytype == EVP_PKEY_DSA) { | |
839 | switch (cmd) { | |
840 | case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: | |
841 | return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1); | |
842 | case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: | |
843 | return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1); | |
844 | case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: | |
845 | return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2); | |
846 | } | |
847 | } | |
848 | # endif | |
4fe54d67 NT |
849 | # ifndef OPENSSL_NO_EC |
850 | if (keytype == EVP_PKEY_EC) { | |
851 | switch (cmd) { | |
10d756a7 RL |
852 | case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID: |
853 | return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1); | |
6f4b7663 RL |
854 | case EVP_PKEY_CTRL_EC_ECDH_COFACTOR: |
855 | if (p1 == -2) { | |
856 | return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx); | |
857 | } else if (p1 < -1 || p1 > 1) { | |
858 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
859 | return -2; | |
860 | } else { | |
861 | return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1); | |
862 | } | |
863 | case EVP_PKEY_CTRL_EC_KDF_TYPE: | |
864 | if (p1 == -2) { | |
865 | return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx); | |
866 | } else { | |
867 | return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1); | |
868 | } | |
869 | case EVP_PKEY_CTRL_GET_EC_KDF_MD: | |
870 | return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2); | |
871 | case EVP_PKEY_CTRL_EC_KDF_MD: | |
872 | return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2); | |
873 | case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN: | |
874 | return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2); | |
875 | case EVP_PKEY_CTRL_EC_KDF_OUTLEN: | |
876 | return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1); | |
877 | case EVP_PKEY_CTRL_GET_EC_KDF_UKM: | |
878 | return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2); | |
879 | case EVP_PKEY_CTRL_EC_KDF_UKM: | |
880 | return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1); | |
4fe54d67 NT |
881 | } |
882 | } | |
e683582b | 883 | # endif |
2decdad3 RL |
884 | if (keytype == EVP_PKEY_RSA) { |
885 | switch (cmd) { | |
886 | case EVP_PKEY_CTRL_RSA_OAEP_MD: | |
887 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
888 | case EVP_PKEY_CTRL_GET_RSA_OAEP_MD: | |
889 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
890 | case EVP_PKEY_CTRL_RSA_MGF1_MD: | |
891 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
892 | case EVP_PKEY_CTRL_RSA_OAEP_LABEL: | |
893 | return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1); | |
894 | case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL: | |
895 | return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2); | |
896 | case EVP_PKEY_CTRL_RSA_KEYGEN_BITS: | |
897 | return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1); | |
898 | case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP: | |
899 | return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2); | |
900 | case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES: | |
901 | return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1); | |
902 | } | |
903 | } | |
904 | /* | |
905 | * keytype == -1 is used when several key types share the same structure, | |
906 | * or for generic controls that are the same across multiple key types. | |
907 | */ | |
4fe54d67 NT |
908 | if (keytype == -1) { |
909 | switch (cmd) { | |
6f4b7663 RL |
910 | case EVP_PKEY_CTRL_MD: |
911 | return EVP_PKEY_CTX_set_signature_md(ctx, p2); | |
912 | case EVP_PKEY_CTRL_GET_MD: | |
913 | return EVP_PKEY_CTX_get_signature_md(ctx, p2); | |
914 | case EVP_PKEY_CTRL_RSA_PADDING: | |
915 | return EVP_PKEY_CTX_set_rsa_padding(ctx, p1); | |
916 | case EVP_PKEY_CTRL_GET_RSA_PADDING: | |
917 | return EVP_PKEY_CTX_get_rsa_padding(ctx, p2); | |
6f4b7663 RL |
918 | case EVP_PKEY_CTRL_GET_RSA_MGF1_MD: |
919 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
6f4b7663 RL |
920 | case EVP_PKEY_CTRL_RSA_PSS_SALTLEN: |
921 | return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1); | |
922 | case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN: | |
923 | return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2); | |
924 | case EVP_PKEY_CTRL_PKCS7_ENCRYPT: | |
925 | case EVP_PKEY_CTRL_PKCS7_DECRYPT: | |
e683582b | 926 | # ifndef OPENSSL_NO_CMS |
6f4b7663 RL |
927 | case EVP_PKEY_CTRL_CMS_DECRYPT: |
928 | case EVP_PKEY_CTRL_CMS_ENCRYPT: | |
e683582b | 929 | # endif |
cc572c25 RL |
930 | /* TODO (3.0) Temporary hack, this should probe */ |
931 | if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS")) | |
6f4b7663 RL |
932 | return 1; |
933 | ERR_raise(ERR_LIB_EVP, | |
934 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
935 | return -2; | |
4fe54d67 | 936 | } |
35aca9ec MC |
937 | } |
938 | return 0; | |
939 | } | |
940 | ||
0b6f3c66 | 941 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, |
0f113f3e MC |
942 | int cmd, int p1, void *p2) |
943 | { | |
944 | int ret; | |
4803717f | 945 | |
35aca9ec MC |
946 | if (ctx == NULL) { |
947 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
948 | return -2; | |
949 | } | |
950 | ||
864b89ce | 951 | if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL) |
48bb9792 | 952 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
2c938e2e MC |
953 | && ctx->op.sig.sigprovctx != NULL) |
954 | || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
62924755 RL |
955 | && ctx->op.ciph.ciphprovctx != NULL) |
956 | || (EVP_PKEY_CTX_IS_GEN_OP(ctx) | |
957 | && ctx->op.keymgmt.genctx != NULL)) | |
35aca9ec MC |
958 | return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2); |
959 | ||
960 | if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) { | |
0f113f3e MC |
961 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); |
962 | return -2; | |
963 | } | |
964 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) | |
965 | return -1; | |
966 | ||
4803717f PY |
967 | /* Skip the operation checks since this is called in a very early stage */ |
968 | if (ctx->pmeth->digest_custom != NULL) | |
969 | goto doit; | |
970 | ||
0f113f3e MC |
971 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) { |
972 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET); | |
973 | return -1; | |
974 | } | |
975 | ||
976 | if ((optype != -1) && !(ctx->operation & optype)) { | |
977 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION); | |
978 | return -1; | |
979 | } | |
980 | ||
4803717f | 981 | doit: |
0f113f3e MC |
982 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); |
983 | ||
984 | if (ret == -2) | |
985 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
986 | ||
987 | return ret; | |
0f113f3e | 988 | } |
0b6f3c66 | 989 | |
cefa762e | 990 | int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype, |
64bf1016 | 991 | int cmd, uint64_t value) |
cefa762e JB |
992 | { |
993 | return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value); | |
994 | } | |
995 | ||
35aca9ec MC |
996 | static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name, |
997 | const char *value) | |
998 | { | |
10d756a7 RL |
999 | |
1000 | /* Special cases that we intercept */ | |
1001 | # ifndef OPENSSL_NO_EC | |
1002 | /* | |
1003 | * We don't support encoding settings for providers, i.e. the only | |
1004 | * possible encoding is "named_curve", so we simply fail when something | |
1005 | * else is given, and otherwise just pretend all is fine. | |
1006 | */ | |
1007 | if (strcmp(name, "ec_param_enc") == 0) { | |
1008 | if (strcmp(value, "named_curve") == 0) { | |
1009 | return 1; | |
1010 | } else { | |
1011 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1012 | return -2; | |
1013 | } | |
1014 | } | |
1015 | # endif | |
1016 | ||
972fa318 RL |
1017 | if (strcmp(name, "rsa_padding_mode") == 0) |
1018 | name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE; | |
1019 | else if (strcmp(name, "rsa_mgf1_md") == 0) | |
1020 | name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST; | |
1021 | else if (strcmp(name, "rsa_oaep_md") == 0) | |
1022 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST; | |
1023 | else if (strcmp(name, "rsa_oaep_label") == 0) | |
1024 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL; | |
6f4b7663 RL |
1025 | else if (strcmp(name, "rsa_pss_saltlen") == 0) |
1026 | name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN; | |
2972af10 RL |
1027 | else if (strcmp(name, "rsa_keygen_bits") == 0) |
1028 | name = OSSL_PKEY_PARAM_RSA_BITS; | |
1029 | else if (strcmp(name, "rsa_keygen_pubexp") == 0) | |
1030 | name = OSSL_PKEY_PARAM_RSA_E; | |
1031 | else if (strcmp(name, "rsa_keygen_primes") == 0) | |
1032 | name = OSSL_PKEY_PARAM_RSA_PRIMES; | |
e25761b1 RL |
1033 | else if (strcmp(name, "rsa_pss_keygen_md") == 0) |
1034 | name = OSSL_PKEY_PARAM_RSA_DIGEST; | |
1035 | else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0) | |
1036 | name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST; | |
1037 | else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0) | |
1038 | name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN; | |
b03ec3b5 SL |
1039 | # ifndef OPENSSL_NO_DSA |
1040 | else if (strcmp(name, "dsa_paramgen_bits") == 0) | |
1041 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1042 | else if (strcmp(name, "dsa_paramgen_q_bits") == 0) | |
1043 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1044 | else if (strcmp(name, "dsa_paramgen_md") == 0) | |
1045 | name = OSSL_PKEY_PARAM_FFC_DIGEST; | |
1046 | # endif | |
e683582b | 1047 | # ifndef OPENSSL_NO_DH |
7165593c | 1048 | else if (strcmp(name, "dh_paramgen_generator") == 0) |
b8086652 | 1049 | name = OSSL_PKEY_PARAM_DH_GENERATOR; |
7165593c SL |
1050 | else if (strcmp(name, "dh_paramgen_prime_len") == 0) |
1051 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1052 | else if (strcmp(name, "dh_paramgen_subprime_len") == 0) | |
1053 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1054 | else if (strcmp(name, "dh_paramgen_type") == 0) { | |
1055 | name = OSSL_PKEY_PARAM_FFC_TYPE; | |
1056 | value = dh_gen_type_id2name(atoi(value)); | |
1057 | } else if (strcmp(name, "dh_param") == 0) | |
b8086652 | 1058 | name = OSSL_PKEY_PARAM_DH_GROUP; |
7165593c | 1059 | else if (strcmp(name, "dh_rfc5114") == 0) { |
b8086652 | 1060 | name = OSSL_PKEY_PARAM_DH_GROUP; |
7165593c SL |
1061 | value = ffc_named_group_from_uid(atoi(value)); |
1062 | } else if (strcmp(name, "dh_pad") == 0) | |
972fa318 | 1063 | name = OSSL_EXCHANGE_PARAM_PAD; |
e683582b | 1064 | # endif |
4fe54d67 | 1065 | # ifndef OPENSSL_NO_EC |
10d756a7 RL |
1066 | else if (strcmp(name, "ec_paramgen_curve") == 0) |
1067 | name = OSSL_PKEY_PARAM_EC_NAME; | |
4fe54d67 NT |
1068 | else if (strcmp(name, "ecdh_cofactor_mode") == 0) |
1069 | name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE; | |
1070 | else if (strcmp(name, "ecdh_kdf_md") == 0) | |
f552d900 | 1071 | name = OSSL_EXCHANGE_PARAM_KDF_DIGEST; |
4fe54d67 | 1072 | # endif |
89abd1b6 | 1073 | |
972fa318 RL |
1074 | { |
1075 | /* | |
1076 | * TODO(3.0) reduce the code above to only translate known legacy | |
1077 | * string to the corresponding core name (see core_names.h), but | |
1078 | * otherwise leave it to this code block to do the actual work. | |
1079 | */ | |
1080 | const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx); | |
1081 | OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END }; | |
1082 | int rv = 0; | |
292c8bdc | 1083 | int exists = 0; |
89abd1b6 | 1084 | |
972fa318 | 1085 | if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value, |
292c8bdc P |
1086 | strlen(value), &exists)) { |
1087 | if (!exists) { | |
e25761b1 RL |
1088 | ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED, |
1089 | "name=%s,value=%s", name, value); | |
292c8bdc P |
1090 | return -2; |
1091 | } | |
89abd1b6 | 1092 | return 0; |
292c8bdc | 1093 | } |
972fa318 RL |
1094 | if (EVP_PKEY_CTX_set_params(ctx, params)) |
1095 | rv = 1; | |
1096 | OPENSSL_free(params[0].data); | |
1097 | return rv; | |
89abd1b6 | 1098 | } |
35aca9ec MC |
1099 | } |
1100 | ||
4a3dc3c0 | 1101 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, |
0f113f3e MC |
1102 | const char *name, const char *value) |
1103 | { | |
35aca9ec MC |
1104 | if (ctx == NULL) { |
1105 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED); | |
1106 | return -2; | |
1107 | } | |
1108 | ||
864b89ce MC |
1109 | if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL) |
1110 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
2c938e2e MC |
1111 | && ctx->op.sig.sigprovctx != NULL) |
1112 | || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
62924755 RL |
1113 | && ctx->op.ciph.ciphprovctx != NULL) |
1114 | || (EVP_PKEY_CTX_IS_GEN_OP(ctx) | |
1115 | && ctx->op.keymgmt.genctx != NULL)) | |
35aca9ec MC |
1116 | return legacy_ctrl_str_to_param(ctx, name, value); |
1117 | ||
0f113f3e MC |
1118 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) { |
1119 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED); | |
1120 | return -2; | |
1121 | } | |
410877ba DSH |
1122 | if (strcmp(name, "digest") == 0) |
1123 | return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, | |
1124 | value); | |
0f113f3e MC |
1125 | return ctx->pmeth->ctrl_str(ctx, name, value); |
1126 | } | |
f5cda4cb | 1127 | |
99119000 DSH |
1128 | /* Utility functions to send a string of hex string to a ctrl */ |
1129 | ||
1130 | int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str) | |
1131 | { | |
1132 | size_t len; | |
1133 | ||
1134 | len = strlen(str); | |
1135 | if (len > INT_MAX) | |
1136 | return -1; | |
1137 | return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str); | |
1138 | } | |
1139 | ||
1140 | int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex) | |
1141 | { | |
1142 | unsigned char *bin; | |
1143 | long binlen; | |
1144 | int rv = -1; | |
1145 | ||
14f051a0 | 1146 | bin = OPENSSL_hexstr2buf(hex, &binlen); |
99119000 DSH |
1147 | if (bin == NULL) |
1148 | return 0; | |
1149 | if (binlen <= INT_MAX) | |
1150 | rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin); | |
1151 | OPENSSL_free(bin); | |
1152 | return rv; | |
1153 | } | |
52ad523c | 1154 | |
410877ba DSH |
1155 | /* Pass a message digest to a ctrl */ |
1156 | int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md) | |
1157 | { | |
1158 | const EVP_MD *m; | |
c82bafc5 | 1159 | |
410877ba DSH |
1160 | if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) { |
1161 | EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST); | |
1162 | return 0; | |
1163 | } | |
1164 | return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m); | |
1165 | } | |
99119000 | 1166 | |
b28dea4e | 1167 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1168 | { |
1169 | return ctx->operation; | |
1170 | } | |
b28dea4e DSH |
1171 | |
1172 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
0f113f3e MC |
1173 | { |
1174 | ctx->keygen_info = dat; | |
1175 | ctx->keygen_info_count = datlen; | |
1176 | } | |
b28dea4e | 1177 | |
f5cda4cb | 1178 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1179 | { |
1180 | ctx->data = data; | |
1181 | } | |
f5cda4cb | 1182 | |
9fdcc21f | 1183 | void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1184 | { |
1185 | return ctx->data; | |
1186 | } | |
f5cda4cb | 1187 | |
81cebb8b | 1188 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1189 | { |
1190 | return ctx->pkey; | |
1191 | } | |
81cebb8b | 1192 | |
0e1dba93 | 1193 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1194 | { |
1195 | return ctx->peerkey; | |
1196 | } | |
1197 | ||
f5cda4cb | 1198 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1199 | { |
1200 | ctx->app_data = data; | |
1201 | } | |
f5cda4cb DSH |
1202 | |
1203 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
0f113f3e MC |
1204 | { |
1205 | return ctx->app_data; | |
1206 | } | |
ba30bad5 DSH |
1207 | |
1208 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1209 | int (*init) (EVP_PKEY_CTX *ctx)) |
1210 | { | |
1211 | pmeth->init = init; | |
1212 | } | |
8bdcef40 DSH |
1213 | |
1214 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
0f113f3e | 1215 | int (*copy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 1216 | const EVP_PKEY_CTX *src)) |
0f113f3e MC |
1217 | { |
1218 | pmeth->copy = copy; | |
1219 | } | |
ba30bad5 DSH |
1220 | |
1221 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1222 | void (*cleanup) (EVP_PKEY_CTX *ctx)) |
1223 | { | |
1224 | pmeth->cleanup = cleanup; | |
1225 | } | |
ba30bad5 DSH |
1226 | |
1227 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1228 | int (*paramgen_init) (EVP_PKEY_CTX *ctx), |
1229 | int (*paramgen) (EVP_PKEY_CTX *ctx, | |
1230 | EVP_PKEY *pkey)) | |
1231 | { | |
1232 | pmeth->paramgen_init = paramgen_init; | |
1233 | pmeth->paramgen = paramgen; | |
1234 | } | |
ba30bad5 DSH |
1235 | |
1236 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1237 | int (*keygen_init) (EVP_PKEY_CTX *ctx), |
1238 | int (*keygen) (EVP_PKEY_CTX *ctx, | |
1239 | EVP_PKEY *pkey)) | |
1240 | { | |
1241 | pmeth->keygen_init = keygen_init; | |
1242 | pmeth->keygen = keygen; | |
1243 | } | |
ba30bad5 DSH |
1244 | |
1245 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1246 | int (*sign_init) (EVP_PKEY_CTX *ctx), |
1247 | int (*sign) (EVP_PKEY_CTX *ctx, | |
1248 | unsigned char *sig, size_t *siglen, | |
1249 | const unsigned char *tbs, | |
1250 | size_t tbslen)) | |
1251 | { | |
1252 | pmeth->sign_init = sign_init; | |
1253 | pmeth->sign = sign; | |
1254 | } | |
ba30bad5 DSH |
1255 | |
1256 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1257 | int (*verify_init) (EVP_PKEY_CTX *ctx), |
1258 | int (*verify) (EVP_PKEY_CTX *ctx, | |
1259 | const unsigned char *sig, | |
1260 | size_t siglen, | |
1261 | const unsigned char *tbs, | |
1262 | size_t tbslen)) | |
1263 | { | |
1264 | pmeth->verify_init = verify_init; | |
1265 | pmeth->verify = verify; | |
1266 | } | |
ba30bad5 DSH |
1267 | |
1268 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1269 | int (*verify_recover_init) (EVP_PKEY_CTX |
1270 | *ctx), | |
1271 | int (*verify_recover) (EVP_PKEY_CTX | |
1272 | *ctx, | |
1273 | unsigned char | |
1274 | *sig, | |
1275 | size_t *siglen, | |
1276 | const unsigned | |
1277 | char *tbs, | |
1278 | size_t tbslen)) | |
1279 | { | |
1280 | pmeth->verify_recover_init = verify_recover_init; | |
1281 | pmeth->verify_recover = verify_recover; | |
1282 | } | |
ba30bad5 DSH |
1283 | |
1284 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1285 | int (*signctx_init) (EVP_PKEY_CTX *ctx, |
1286 | EVP_MD_CTX *mctx), | |
1287 | int (*signctx) (EVP_PKEY_CTX *ctx, | |
1288 | unsigned char *sig, | |
1289 | size_t *siglen, | |
1290 | EVP_MD_CTX *mctx)) | |
1291 | { | |
1292 | pmeth->signctx_init = signctx_init; | |
1293 | pmeth->signctx = signctx; | |
1294 | } | |
ba30bad5 DSH |
1295 | |
1296 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1297 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, |
1298 | EVP_MD_CTX *mctx), | |
1299 | int (*verifyctx) (EVP_PKEY_CTX *ctx, | |
1300 | const unsigned char *sig, | |
1301 | int siglen, | |
1302 | EVP_MD_CTX *mctx)) | |
1303 | { | |
1304 | pmeth->verifyctx_init = verifyctx_init; | |
1305 | pmeth->verifyctx = verifyctx; | |
1306 | } | |
ba30bad5 DSH |
1307 | |
1308 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1309 | int (*encrypt_init) (EVP_PKEY_CTX *ctx), |
1310 | int (*encryptfn) (EVP_PKEY_CTX *ctx, | |
1311 | unsigned char *out, | |
1312 | size_t *outlen, | |
1313 | const unsigned char *in, | |
1314 | size_t inlen)) | |
1315 | { | |
1316 | pmeth->encrypt_init = encrypt_init; | |
1317 | pmeth->encrypt = encryptfn; | |
1318 | } | |
ba30bad5 DSH |
1319 | |
1320 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1321 | int (*decrypt_init) (EVP_PKEY_CTX *ctx), |
1322 | int (*decrypt) (EVP_PKEY_CTX *ctx, | |
1323 | unsigned char *out, | |
1324 | size_t *outlen, | |
1325 | const unsigned char *in, | |
1326 | size_t inlen)) | |
1327 | { | |
1328 | pmeth->decrypt_init = decrypt_init; | |
1329 | pmeth->decrypt = decrypt; | |
1330 | } | |
ba30bad5 DSH |
1331 | |
1332 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1333 | int (*derive_init) (EVP_PKEY_CTX *ctx), |
1334 | int (*derive) (EVP_PKEY_CTX *ctx, | |
1335 | unsigned char *key, | |
1336 | size_t *keylen)) | |
1337 | { | |
1338 | pmeth->derive_init = derive_init; | |
1339 | pmeth->derive = derive; | |
1340 | } | |
ba30bad5 DSH |
1341 | |
1342 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1343 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
1344 | void *p2), | |
1345 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, | |
1346 | const char *type, | |
1347 | const char *value)) | |
1348 | { | |
1349 | pmeth->ctrl = ctrl; | |
1350 | pmeth->ctrl_str = ctrl_str; | |
1351 | } | |
e7451ed1 | 1352 | |
2555285f AH |
1353 | void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth, |
1354 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
1355 | const unsigned char *tbs, size_t tbslen)) | |
1356 | { | |
1357 | pmeth->digestsign = digestsign; | |
1358 | } | |
1359 | ||
1360 | void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth, | |
1361 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
1362 | size_t siglen, const unsigned char *tbs, | |
1363 | size_t tbslen)) | |
1364 | { | |
1365 | pmeth->digestverify = digestverify; | |
1366 | } | |
1367 | ||
2aee35d3 PY |
1368 | void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, |
1369 | int (*check) (EVP_PKEY *pkey)) | |
1370 | { | |
1371 | pmeth->check = check; | |
1372 | } | |
1373 | ||
b0004708 PY |
1374 | void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, |
1375 | int (*check) (EVP_PKEY *pkey)) | |
1376 | { | |
1377 | pmeth->public_check = check; | |
1378 | } | |
1379 | ||
1380 | void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, | |
1381 | int (*check) (EVP_PKEY *pkey)) | |
1382 | { | |
1383 | pmeth->param_check = check; | |
1384 | } | |
1385 | ||
0a8fdef7 PY |
1386 | void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth, |
1387 | int (*digest_custom) (EVP_PKEY_CTX *ctx, | |
1388 | EVP_MD_CTX *mctx)) | |
1389 | { | |
1390 | pmeth->digest_custom = digest_custom; | |
1391 | } | |
1392 | ||
693be9a2 | 1393 | void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1394 | int (**pinit) (EVP_PKEY_CTX *ctx)) |
1395 | { | |
1396 | *pinit = pmeth->init; | |
1397 | } | |
1398 | ||
693be9a2 | 1399 | void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 | 1400 | int (**pcopy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 1401 | const EVP_PKEY_CTX *src)) |
e7451ed1 DSH |
1402 | { |
1403 | *pcopy = pmeth->copy; | |
1404 | } | |
1405 | ||
693be9a2 | 1406 | void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1407 | void (**pcleanup) (EVP_PKEY_CTX *ctx)) |
1408 | { | |
1409 | *pcleanup = pmeth->cleanup; | |
1410 | } | |
1411 | ||
693be9a2 | 1412 | void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1413 | int (**pparamgen_init) (EVP_PKEY_CTX *ctx), |
1414 | int (**pparamgen) (EVP_PKEY_CTX *ctx, | |
1415 | EVP_PKEY *pkey)) | |
1416 | { | |
1417 | if (pparamgen_init) | |
1418 | *pparamgen_init = pmeth->paramgen_init; | |
1419 | if (pparamgen) | |
1420 | *pparamgen = pmeth->paramgen; | |
1421 | } | |
1422 | ||
693be9a2 | 1423 | void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1424 | int (**pkeygen_init) (EVP_PKEY_CTX *ctx), |
1425 | int (**pkeygen) (EVP_PKEY_CTX *ctx, | |
1426 | EVP_PKEY *pkey)) | |
1427 | { | |
1428 | if (pkeygen_init) | |
1429 | *pkeygen_init = pmeth->keygen_init; | |
1430 | if (pkeygen) | |
1431 | *pkeygen = pmeth->keygen; | |
1432 | } | |
1433 | ||
693be9a2 | 1434 | void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1435 | int (**psign_init) (EVP_PKEY_CTX *ctx), |
1436 | int (**psign) (EVP_PKEY_CTX *ctx, | |
1437 | unsigned char *sig, size_t *siglen, | |
1438 | const unsigned char *tbs, | |
1439 | size_t tbslen)) | |
1440 | { | |
1441 | if (psign_init) | |
1442 | *psign_init = pmeth->sign_init; | |
1443 | if (psign) | |
1444 | *psign = pmeth->sign; | |
1445 | } | |
1446 | ||
693be9a2 | 1447 | void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1448 | int (**pverify_init) (EVP_PKEY_CTX *ctx), |
1449 | int (**pverify) (EVP_PKEY_CTX *ctx, | |
1450 | const unsigned char *sig, | |
1451 | size_t siglen, | |
1452 | const unsigned char *tbs, | |
1453 | size_t tbslen)) | |
1454 | { | |
1455 | if (pverify_init) | |
1456 | *pverify_init = pmeth->verify_init; | |
1457 | if (pverify) | |
1458 | *pverify = pmeth->verify; | |
1459 | } | |
1460 | ||
693be9a2 | 1461 | void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1462 | int (**pverify_recover_init) (EVP_PKEY_CTX |
1463 | *ctx), | |
1464 | int (**pverify_recover) (EVP_PKEY_CTX | |
1465 | *ctx, | |
1466 | unsigned char | |
1467 | *sig, | |
1468 | size_t *siglen, | |
1469 | const unsigned | |
1470 | char *tbs, | |
1471 | size_t tbslen)) | |
1472 | { | |
1473 | if (pverify_recover_init) | |
1474 | *pverify_recover_init = pmeth->verify_recover_init; | |
1475 | if (pverify_recover) | |
1476 | *pverify_recover = pmeth->verify_recover; | |
1477 | } | |
1478 | ||
693be9a2 | 1479 | void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1480 | int (**psignctx_init) (EVP_PKEY_CTX *ctx, |
1481 | EVP_MD_CTX *mctx), | |
1482 | int (**psignctx) (EVP_PKEY_CTX *ctx, | |
1483 | unsigned char *sig, | |
1484 | size_t *siglen, | |
1485 | EVP_MD_CTX *mctx)) | |
1486 | { | |
1487 | if (psignctx_init) | |
1488 | *psignctx_init = pmeth->signctx_init; | |
1489 | if (psignctx) | |
1490 | *psignctx = pmeth->signctx; | |
1491 | } | |
1492 | ||
693be9a2 | 1493 | void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1494 | int (**pverifyctx_init) (EVP_PKEY_CTX *ctx, |
1495 | EVP_MD_CTX *mctx), | |
1496 | int (**pverifyctx) (EVP_PKEY_CTX *ctx, | |
1497 | const unsigned char *sig, | |
1498 | int siglen, | |
1499 | EVP_MD_CTX *mctx)) | |
1500 | { | |
1501 | if (pverifyctx_init) | |
1502 | *pverifyctx_init = pmeth->verifyctx_init; | |
1503 | if (pverifyctx) | |
1504 | *pverifyctx = pmeth->verifyctx; | |
1505 | } | |
1506 | ||
693be9a2 | 1507 | void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1508 | int (**pencrypt_init) (EVP_PKEY_CTX *ctx), |
1509 | int (**pencryptfn) (EVP_PKEY_CTX *ctx, | |
1510 | unsigned char *out, | |
1511 | size_t *outlen, | |
1512 | const unsigned char *in, | |
1513 | size_t inlen)) | |
1514 | { | |
1515 | if (pencrypt_init) | |
1516 | *pencrypt_init = pmeth->encrypt_init; | |
1517 | if (pencryptfn) | |
1518 | *pencryptfn = pmeth->encrypt; | |
1519 | } | |
1520 | ||
693be9a2 | 1521 | void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1522 | int (**pdecrypt_init) (EVP_PKEY_CTX *ctx), |
1523 | int (**pdecrypt) (EVP_PKEY_CTX *ctx, | |
1524 | unsigned char *out, | |
1525 | size_t *outlen, | |
1526 | const unsigned char *in, | |
1527 | size_t inlen)) | |
1528 | { | |
1529 | if (pdecrypt_init) | |
1530 | *pdecrypt_init = pmeth->decrypt_init; | |
1531 | if (pdecrypt) | |
1532 | *pdecrypt = pmeth->decrypt; | |
1533 | } | |
1534 | ||
693be9a2 | 1535 | void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1536 | int (**pderive_init) (EVP_PKEY_CTX *ctx), |
1537 | int (**pderive) (EVP_PKEY_CTX *ctx, | |
1538 | unsigned char *key, | |
1539 | size_t *keylen)) | |
1540 | { | |
1541 | if (pderive_init) | |
1542 | *pderive_init = pmeth->derive_init; | |
1543 | if (pderive) | |
1544 | *pderive = pmeth->derive; | |
1545 | } | |
1546 | ||
693be9a2 | 1547 | void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1548 | int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
1549 | void *p2), | |
1550 | int (**pctrl_str) (EVP_PKEY_CTX *ctx, | |
1551 | const char *type, | |
1552 | const char *value)) | |
1553 | { | |
1554 | if (pctrl) | |
1555 | *pctrl = pmeth->ctrl; | |
1556 | if (pctrl_str) | |
1557 | *pctrl_str = pmeth->ctrl_str; | |
1558 | } | |
2aee35d3 | 1559 | |
2555285f AH |
1560 | void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth, |
1561 | int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
1562 | const unsigned char *tbs, size_t tbslen)) | |
1563 | { | |
1564 | if (digestsign) | |
1565 | *digestsign = pmeth->digestsign; | |
1566 | } | |
1567 | ||
1568 | void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth, | |
1569 | int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
1570 | size_t siglen, const unsigned char *tbs, | |
1571 | size_t tbslen)) | |
1572 | { | |
1573 | if (digestverify) | |
1574 | *digestverify = pmeth->digestverify; | |
1575 | } | |
1576 | ||
693be9a2 | 1577 | void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth, |
2aee35d3 PY |
1578 | int (**pcheck) (EVP_PKEY *pkey)) |
1579 | { | |
34f5c8b1 | 1580 | if (pcheck != NULL) |
2aee35d3 PY |
1581 | *pcheck = pmeth->check; |
1582 | } | |
b0004708 | 1583 | |
693be9a2 | 1584 | void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
1585 | int (**pcheck) (EVP_PKEY *pkey)) |
1586 | { | |
34f5c8b1 | 1587 | if (pcheck != NULL) |
b0004708 PY |
1588 | *pcheck = pmeth->public_check; |
1589 | } | |
1590 | ||
693be9a2 | 1591 | void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
1592 | int (**pcheck) (EVP_PKEY *pkey)) |
1593 | { | |
34f5c8b1 | 1594 | if (pcheck != NULL) |
b0004708 PY |
1595 | *pcheck = pmeth->param_check; |
1596 | } | |
0a8fdef7 PY |
1597 | |
1598 | void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth, | |
1599 | int (**pdigest_custom) (EVP_PKEY_CTX *ctx, | |
1600 | EVP_MD_CTX *mctx)) | |
1601 | { | |
675f4cee | 1602 | if (pdigest_custom != NULL) |
0a8fdef7 PY |
1603 | *pdigest_custom = pmeth->digest_custom; |
1604 | } | |
e683582b | 1605 | |
f844f9eb | 1606 | #endif /* FIPS_MODULE */ |