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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> |
ac2d58c7 | 24 | #include <openssl/kdf.h> |
35aca9ec | 25 | #include "internal/cryptlib.h" |
25f2138b DMSP |
26 | #include "crypto/asn1.h" |
27 | #include "crypto/evp.h" | |
7165593c | 28 | #include "crypto/dh.h" |
7229a2f4 | 29 | #include "crypto/ec.h" |
7165593c | 30 | #include "internal/ffc.h" |
99119000 | 31 | #include "internal/numbers.h" |
390acbeb | 32 | #include "internal/provider.h" |
706457b7 | 33 | #include "evp_local.h" |
0b6f3c66 | 34 | |
f844f9eb | 35 | #ifndef FIPS_MODULE |
e683582b | 36 | |
86df26b3 RL |
37 | static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx, |
38 | int keytype, int optype, | |
39 | int cmd, const char *name, | |
40 | const void *data, size_t data_len); | |
41 | static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx, | |
42 | int cmd, const char *name); | |
43 | static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx); | |
44 | ||
19bd1fa1 | 45 | typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void); |
0f113f3e | 46 | typedef int sk_cmp_fn_type(const char *const *a, const char *const *b); |
5ce278a7 | 47 | |
df2ee0e2 | 48 | static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; |
0b6f3c66 | 49 | |
cefa762e | 50 | /* This array needs to be in order of NIDs */ |
19bd1fa1 | 51 | static pmeth_fn standard_methods[] = { |
23b2fc0b | 52 | ossl_rsa_pkey_method, |
e683582b | 53 | # ifndef OPENSSL_NO_DH |
19bd1fa1 | 54 | dh_pkey_method, |
e683582b SL |
55 | # endif |
56 | # ifndef OPENSSL_NO_DSA | |
19bd1fa1 | 57 | dsa_pkey_method, |
e683582b SL |
58 | # endif |
59 | # ifndef OPENSSL_NO_EC | |
19bd1fa1 | 60 | ec_pkey_method, |
e683582b | 61 | # endif |
23b2fc0b | 62 | ossl_rsa_pss_pkey_method, |
e683582b | 63 | # ifndef OPENSSL_NO_DH |
19bd1fa1 | 64 | dhx_pkey_method, |
e683582b | 65 | # endif |
e683582b | 66 | # ifndef OPENSSL_NO_EC |
19bd1fa1 PS |
67 | ecx25519_pkey_method, |
68 | ecx448_pkey_method, | |
e683582b | 69 | # endif |
e683582b | 70 | # ifndef OPENSSL_NO_EC |
19bd1fa1 PS |
71 | ed25519_pkey_method, |
72 | ed448_pkey_method, | |
e683582b | 73 | # endif |
0f113f3e | 74 | }; |
0b6f3c66 | 75 | |
19bd1fa1 PS |
76 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); |
77 | ||
78 | static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b) | |
79 | { | |
80 | return ((*a)->pkey_id - ((**b)())->pkey_id); | |
81 | } | |
82 | ||
83 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); | |
babb3798 | 84 | |
0f113f3e MC |
85 | static int pmeth_cmp(const EVP_PKEY_METHOD *const *a, |
86 | const EVP_PKEY_METHOD *const *b) | |
87 | { | |
88 | return ((*a)->pkey_id - (*b)->pkey_id); | |
89 | } | |
0b6f3c66 | 90 | |
60488d24 | 91 | static const EVP_PKEY_METHOD *evp_pkey_meth_find_added_by_application(int type) |
0f113f3e | 92 | { |
60488d24 | 93 | if (app_pkey_methods != NULL) { |
0f113f3e | 94 | int idx; |
60488d24 RL |
95 | EVP_PKEY_METHOD tmp; |
96 | ||
97 | tmp.pkey_id = type; | |
0f113f3e MC |
98 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); |
99 | if (idx >= 0) | |
100 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
101 | } | |
60488d24 RL |
102 | return NULL; |
103 | } | |
104 | ||
105 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) | |
106 | { | |
107 | pmeth_fn *ret; | |
108 | EVP_PKEY_METHOD tmp; | |
109 | const EVP_PKEY_METHOD *t; | |
110 | ||
111 | if ((t = evp_pkey_meth_find_added_by_application(type)) != NULL) | |
112 | return t; | |
113 | ||
114 | tmp.pkey_id = type; | |
115 | t = &tmp; | |
19bd1fa1 | 116 | ret = OBJ_bsearch_pmeth_func(&t, standard_methods, |
60488d24 | 117 | OSSL_NELEM(standard_methods)); |
12a765a5 | 118 | if (ret == NULL || *ret == NULL) |
0f113f3e | 119 | return NULL; |
19bd1fa1 | 120 | return (**ret)(); |
0f113f3e | 121 | } |
0b6f3c66 | 122 | |
e683582b SL |
123 | EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags) |
124 | { | |
125 | EVP_PKEY_METHOD *pmeth; | |
126 | ||
127 | pmeth = OPENSSL_zalloc(sizeof(*pmeth)); | |
128 | if (pmeth == NULL) { | |
9311d0c4 | 129 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
e683582b SL |
130 | return NULL; |
131 | } | |
132 | ||
133 | pmeth->pkey_id = id; | |
134 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; | |
135 | return pmeth; | |
136 | } | |
50914496 | 137 | |
86df26b3 RL |
138 | /* Three possible states: */ |
139 | # define EVP_PKEY_STATE_UNKNOWN 0 | |
140 | # define EVP_PKEY_STATE_LEGACY 1 | |
141 | # define EVP_PKEY_STATE_PROVIDER 2 | |
142 | ||
143 | static int evp_pkey_ctx_state(EVP_PKEY_CTX *ctx) | |
144 | { | |
145 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
146 | return EVP_PKEY_STATE_UNKNOWN; | |
147 | ||
148 | if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) | |
149 | && ctx->op.kex.exchprovctx != NULL) | |
150 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
151 | && ctx->op.sig.sigprovctx != NULL) | |
152 | || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
153 | && ctx->op.ciph.ciphprovctx != NULL) | |
154 | || (EVP_PKEY_CTX_IS_GEN_OP(ctx) | |
80f4fd18 SL |
155 | && ctx->op.keymgmt.genctx != NULL) |
156 | || (EVP_PKEY_CTX_IS_KEM_OP(ctx) | |
157 | && ctx->op.encap.kemprovctx != NULL)) | |
86df26b3 RL |
158 | return EVP_PKEY_STATE_PROVIDER; |
159 | ||
160 | return EVP_PKEY_STATE_LEGACY; | |
161 | } | |
162 | ||
50914496 RL |
163 | static void help_get_legacy_alg_type_from_keymgmt(const char *keytype, |
164 | void *arg) | |
165 | { | |
166 | int *type = arg; | |
167 | ||
168 | if (*type == NID_undef) | |
169 | *type = evp_pkey_name2type(keytype); | |
170 | } | |
171 | ||
172 | static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt) | |
173 | { | |
174 | int type = NID_undef; | |
175 | ||
176 | EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt, | |
177 | &type); | |
178 | return type; | |
179 | } | |
f844f9eb | 180 | #endif /* FIPS_MODULE */ |
e683582b | 181 | |
b4250010 | 182 | static EVP_PKEY_CTX *int_ctx_new(OSSL_LIB_CTX *libctx, |
3ee348b0 | 183 | EVP_PKEY *pkey, ENGINE *e, |
4b9e90f4 | 184 | const char *keytype, const char *propquery, |
a07c17ef | 185 | int id) |
e683582b | 186 | |
0f113f3e | 187 | { |
50914496 | 188 | EVP_PKEY_CTX *ret = NULL; |
d0ea49a8 | 189 | const EVP_PKEY_METHOD *pmeth = NULL; |
4b9e90f4 | 190 | EVP_KEYMGMT *keymgmt = NULL; |
d0ea49a8 RL |
191 | |
192 | /* | |
50914496 | 193 | * If the given |pkey| is provided, we extract the keytype from its |
5e5bc836 | 194 | * keymgmt and skip over the legacy code. |
982efd77 | 195 | */ |
5e5bc836 | 196 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
982efd77 RL |
197 | /* If we have an engine, something went wrong somewhere... */ |
198 | if (!ossl_assert(e == NULL)) | |
199 | return NULL; | |
4b9e90f4 | 200 | keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id); |
982efd77 RL |
201 | goto common; |
202 | } | |
50914496 | 203 | |
f844f9eb | 204 | #ifndef FIPS_MODULE |
50914496 RL |
205 | /* |
206 | * TODO(3.0) This legacy code section should be removed when we stop | |
207 | * supporting engines | |
208 | */ | |
d0ea49a8 | 209 | /* BEGIN legacy */ |
0f113f3e | 210 | if (id == -1) { |
50914496 RL |
211 | if (pkey != NULL) |
212 | id = pkey->type; | |
213 | else if (keytype != NULL) | |
214 | id = evp_pkey_name2type(keytype); | |
215 | if (id == NID_undef) | |
216 | id = -1; | |
0f113f3e | 217 | } |
50914496 RL |
218 | /* If no ID was found here, we can only resort to find a keymgmt */ |
219 | if (id == -1) | |
220 | goto common; | |
60653e5b RL |
221 | |
222 | /* | |
223 | * Here, we extract what information we can for the purpose of | |
224 | * supporting usage with implementations from providers, to make | |
225 | * for a smooth transition from legacy stuff to provider based stuff. | |
226 | * | |
227 | * If an engine is given, this is entirely legacy, and we should not | |
228 | * pretend anything else, so we only set the name when no engine is | |
229 | * given. If both are already given, someone made a mistake, and | |
230 | * since that can only happen internally, it's safe to make an | |
231 | * assertion. | |
232 | */ | |
4b9e90f4 | 233 | if (!ossl_assert(e == NULL || keytype == NULL)) |
60653e5b RL |
234 | return NULL; |
235 | if (e == NULL) | |
4b9e90f4 | 236 | keytype = OBJ_nid2sn(id); |
60653e5b | 237 | |
e683582b | 238 | # ifndef OPENSSL_NO_ENGINE |
c2976edf | 239 | if (e == NULL && pkey != NULL) |
d19b01ad | 240 | e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine; |
0f113f3e MC |
241 | /* Try to find an ENGINE which implements this method */ |
242 | if (e) { | |
243 | if (!ENGINE_init(e)) { | |
9311d0c4 | 244 | ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB); |
0f113f3e MC |
245 | return NULL; |
246 | } | |
c2976edf | 247 | } else { |
0f113f3e | 248 | e = ENGINE_get_pkey_meth_engine(id); |
c2976edf | 249 | } |
0f113f3e MC |
250 | |
251 | /* | |
0d4fb843 | 252 | * If an ENGINE handled this method look it up. Otherwise use internal |
0f113f3e MC |
253 | * tables. |
254 | */ | |
50914496 | 255 | if (e != NULL) |
0f113f3e | 256 | pmeth = ENGINE_get_pkey_meth(e, id); |
50914496 | 257 | else |
e683582b | 258 | # endif |
60488d24 | 259 | pmeth = evp_pkey_meth_find_added_by_application(id); |
c9777d26 | 260 | |
d0ea49a8 | 261 | /* END legacy */ |
f844f9eb | 262 | #endif /* FIPS_MODULE */ |
d0ea49a8 | 263 | common: |
4b9e90f4 RL |
264 | /* |
265 | * If there's no engine and there's a name, we try fetching a provider | |
266 | * implementation. | |
267 | */ | |
5fcb97c6 | 268 | if (e == NULL && keytype != NULL) { |
4b9e90f4 | 269 | keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery); |
d0b79f86 | 270 | if (keymgmt == NULL) |
50914496 RL |
271 | return NULL; /* EVP_KEYMGMT_fetch() recorded an error */ |
272 | ||
273 | #ifndef FIPS_MODULE | |
274 | /* | |
275 | * Chase down the legacy NID, as that might be needed for diverse | |
276 | * purposes, such as ensure that EVP_PKEY_type() can return sensible | |
277 | * values, or that there's a better chance to "downgrade" a key when | |
278 | * needed. We go through all keymgmt names, because the keytype | |
279 | * that's passed to this function doesn't necessarily translate | |
280 | * directly. | |
281 | * TODO: Remove this when #legacy keys are gone. | |
282 | */ | |
283 | if (keymgmt != NULL) { | |
284 | int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt); | |
285 | ||
286 | if (tmp_id != NID_undef) { | |
287 | if (id == -1) { | |
288 | id = tmp_id; | |
289 | } else { | |
290 | /* | |
291 | * It really really shouldn't differ. If it still does, | |
292 | * something is very wrong. | |
293 | */ | |
294 | if (!ossl_assert(id == tmp_id)) { | |
9311d0c4 | 295 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); |
50914496 RL |
296 | EVP_KEYMGMT_free(keymgmt); |
297 | return NULL; | |
298 | } | |
299 | } | |
300 | } | |
b533510f | 301 | } |
50914496 RL |
302 | #endif |
303 | } | |
304 | ||
305 | if (pmeth == NULL && keymgmt == NULL) { | |
9311d0c4 | 306 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
50914496 RL |
307 | } else { |
308 | ret = OPENSSL_zalloc(sizeof(*ret)); | |
309 | if (ret == NULL) | |
9311d0c4 | 310 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
5fcb97c6 | 311 | } |
4b9e90f4 | 312 | |
f844f9eb | 313 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
50914496 | 314 | if ((ret == NULL || pmeth == NULL) && e != NULL) |
7c96dbcd | 315 | ENGINE_finish(e); |
a63bf2c5 | 316 | #endif |
50914496 RL |
317 | |
318 | if (ret == NULL) { | |
319 | EVP_KEYMGMT_free(keymgmt); | |
0f113f3e MC |
320 | return NULL; |
321 | } | |
ddfd7182 SL |
322 | if (propquery != NULL) { |
323 | ret->propquery = OPENSSL_strdup(propquery); | |
324 | if (ret->propquery == NULL) { | |
325 | EVP_KEYMGMT_free(keymgmt); | |
326 | return NULL; | |
327 | } | |
328 | } | |
3ee348b0 | 329 | ret->libctx = libctx; |
4b9e90f4 RL |
330 | ret->keytype = keytype; |
331 | ret->keymgmt = keymgmt; | |
50914496 | 332 | ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */ |
0f113f3e MC |
333 | ret->engine = e; |
334 | ret->pmeth = pmeth; | |
335 | ret->operation = EVP_PKEY_OP_UNDEFINED; | |
336 | ret->pkey = pkey; | |
a6465b3f | 337 | if (pkey != NULL) |
03273d61 | 338 | EVP_PKEY_up_ref(pkey); |
0f113f3e | 339 | |
8b84b075 | 340 | if (pmeth != NULL && pmeth->init != NULL) { |
0f113f3e | 341 | if (pmeth->init(ret) <= 0) { |
83b4049a | 342 | ret->pmeth = NULL; |
0f113f3e MC |
343 | EVP_PKEY_CTX_free(ret); |
344 | return NULL; | |
345 | } | |
346 | } | |
347 | ||
348 | return ret; | |
349 | } | |
350 | ||
f844f9eb | 351 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b | 352 | |
b4250010 | 353 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx, |
e683582b SL |
354 | const char *name, |
355 | const char *propquery) | |
356 | { | |
357 | return int_ctx_new(libctx, NULL, NULL, name, propquery, -1); | |
358 | } | |
359 | ||
b4250010 | 360 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx, EVP_PKEY *pkey, |
2ee4a50a | 361 | const char *propquery) |
e683582b | 362 | { |
2ee4a50a | 363 | return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1); |
e683582b SL |
364 | } |
365 | ||
864b89ce MC |
366 | void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx) |
367 | { | |
e683582b | 368 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
864b89ce MC |
369 | if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL) |
370 | ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx); | |
371 | EVP_SIGNATURE_free(ctx->op.sig.signature); | |
fb1ecf85 RL |
372 | ctx->op.sig.sigprovctx = NULL; |
373 | ctx->op.sig.signature = NULL; | |
62f49b90 | 374 | } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { |
e683582b SL |
375 | if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL) |
376 | ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx); | |
377 | EVP_KEYEXCH_free(ctx->op.kex.exchange); | |
378 | ctx->op.kex.exchprovctx = NULL; | |
379 | ctx->op.kex.exchange = NULL; | |
80f4fd18 SL |
380 | } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) { |
381 | if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL) | |
382 | ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx); | |
383 | EVP_KEM_free(ctx->op.encap.kem); | |
384 | ctx->op.encap.kemprovctx = NULL; | |
385 | ctx->op.encap.kem = NULL; | |
386 | } | |
387 | else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) { | |
2c938e2e MC |
388 | if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL) |
389 | ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx); | |
390 | EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher); | |
391 | ctx->op.ciph.ciphprovctx = NULL; | |
392 | ctx->op.ciph.cipher = NULL; | |
62924755 RL |
393 | } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) { |
394 | if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL) | |
395 | evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx); | |
864b89ce MC |
396 | } |
397 | } | |
398 | ||
e683582b | 399 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) |
0f113f3e | 400 | { |
e683582b SL |
401 | if (ctx == NULL) |
402 | return; | |
403 | if (ctx->pmeth && ctx->pmeth->cleanup) | |
404 | ctx->pmeth->cleanup(ctx); | |
b4faea50 | 405 | |
e683582b | 406 | evp_pkey_ctx_free_old_ops(ctx); |
86df26b3 RL |
407 | #ifndef FIPS_MODULE |
408 | evp_pkey_ctx_free_all_cached_data(ctx); | |
409 | #endif | |
e683582b | 410 | EVP_KEYMGMT_free(ctx->keymgmt); |
0f113f3e | 411 | |
ddfd7182 | 412 | OPENSSL_free(ctx->propquery); |
e683582b SL |
413 | EVP_PKEY_free(ctx->pkey); |
414 | EVP_PKEY_free(ctx->peerkey); | |
f844f9eb | 415 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
e683582b SL |
416 | ENGINE_finish(ctx->engine); |
417 | #endif | |
3786d748 | 418 | BN_free(ctx->rsa_pubexp); |
e683582b | 419 | OPENSSL_free(ctx); |
0f113f3e | 420 | } |
ba30bad5 | 421 | |
f844f9eb | 422 | #ifndef FIPS_MODULE |
e683582b | 423 | |
f830c68f | 424 | void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, |
0f113f3e MC |
425 | const EVP_PKEY_METHOD *meth) |
426 | { | |
427 | if (ppkey_id) | |
428 | *ppkey_id = meth->pkey_id; | |
429 | if (pflags) | |
430 | *pflags = meth->flags; | |
431 | } | |
f830c68f DSH |
432 | |
433 | void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
0f113f3e | 434 | { |
4cbb196b AT |
435 | int pkey_id = dst->pkey_id; |
436 | int flags = dst->flags; | |
f830c68f | 437 | |
4cbb196b | 438 | *dst = *src; |
f830c68f | 439 | |
4cbb196b AT |
440 | /* We only copy the function pointers so restore the other values */ |
441 | dst->pkey_id = pkey_id; | |
442 | dst->flags = flags; | |
0f113f3e | 443 | } |
f830c68f | 444 | |
ba30bad5 | 445 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
446 | { |
447 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) | |
448 | OPENSSL_free(pmeth); | |
449 | } | |
ba30bad5 | 450 | |
f5cda4cb | 451 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) |
0f113f3e | 452 | { |
3ee348b0 | 453 | return int_ctx_new(NULL, pkey, e, NULL, NULL, -1); |
0f113f3e | 454 | } |
f5cda4cb DSH |
455 | |
456 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
0f113f3e | 457 | { |
3ee348b0 | 458 | return int_ctx_new(NULL, NULL, e, NULL, NULL, id); |
a07c17ef RL |
459 | } |
460 | ||
9fdcc21f | 461 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx) |
0f113f3e MC |
462 | { |
463 | EVP_PKEY_CTX *rctx; | |
ff64702b | 464 | |
e683582b | 465 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
466 | /* Make sure it's safe to copy a pkey context using an ENGINE */ |
467 | if (pctx->engine && !ENGINE_init(pctx->engine)) { | |
9311d0c4 | 468 | ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB); |
0f113f3e MC |
469 | return 0; |
470 | } | |
e683582b | 471 | # endif |
ff64702b | 472 | rctx = OPENSSL_zalloc(sizeof(*rctx)); |
3484236d | 473 | if (rctx == NULL) { |
9311d0c4 | 474 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
0f113f3e | 475 | return NULL; |
3484236d | 476 | } |
8bdcef40 | 477 | |
ff64702b MC |
478 | if (pctx->pkey != NULL) |
479 | EVP_PKEY_up_ref(pctx->pkey); | |
480 | rctx->pkey = pctx->pkey; | |
481 | rctx->operation = pctx->operation; | |
3ee348b0 | 482 | rctx->libctx = pctx->libctx; |
f23bc0b7 | 483 | rctx->keytype = pctx->keytype; |
ddfd7182 SL |
484 | rctx->propquery = NULL; |
485 | if (pctx->propquery != NULL) { | |
486 | rctx->propquery = OPENSSL_strdup(pctx->propquery); | |
74cd923a RL |
487 | if (rctx->propquery == NULL) |
488 | goto err; | |
ddfd7182 | 489 | } |
ac7750bb | 490 | rctx->legacy_keytype = pctx->legacy_keytype; |
ff64702b | 491 | |
864b89ce MC |
492 | if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) { |
493 | if (pctx->op.kex.exchange != NULL) { | |
494 | rctx->op.kex.exchange = pctx->op.kex.exchange; | |
ac7750bb | 495 | if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) |
74cd923a | 496 | goto err; |
ff64702b | 497 | } |
864b89ce MC |
498 | if (pctx->op.kex.exchprovctx != NULL) { |
499 | if (!ossl_assert(pctx->op.kex.exchange != NULL)) | |
74cd923a | 500 | goto err; |
864b89ce MC |
501 | rctx->op.kex.exchprovctx |
502 | = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx); | |
503 | if (rctx->op.kex.exchprovctx == NULL) { | |
504 | EVP_KEYEXCH_free(rctx->op.kex.exchange); | |
74cd923a | 505 | goto err; |
864b89ce MC |
506 | } |
507 | return rctx; | |
508 | } | |
509 | } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) { | |
510 | if (pctx->op.sig.signature != NULL) { | |
511 | rctx->op.sig.signature = pctx->op.sig.signature; | |
ac7750bb | 512 | if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) |
74cd923a | 513 | goto err; |
864b89ce MC |
514 | } |
515 | if (pctx->op.sig.sigprovctx != NULL) { | |
516 | if (!ossl_assert(pctx->op.sig.signature != NULL)) | |
74cd923a | 517 | goto err; |
864b89ce MC |
518 | rctx->op.sig.sigprovctx |
519 | = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx); | |
520 | if (rctx->op.sig.sigprovctx == NULL) { | |
521 | EVP_SIGNATURE_free(rctx->op.sig.signature); | |
74cd923a | 522 | goto err; |
864b89ce MC |
523 | } |
524 | return rctx; | |
ff64702b | 525 | } |
2c938e2e MC |
526 | } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) { |
527 | if (pctx->op.ciph.cipher != NULL) { | |
528 | rctx->op.ciph.cipher = pctx->op.ciph.cipher; | |
ac7750bb | 529 | if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) |
74cd923a | 530 | goto err; |
2c938e2e MC |
531 | } |
532 | if (pctx->op.ciph.ciphprovctx != NULL) { | |
533 | if (!ossl_assert(pctx->op.ciph.cipher != NULL)) | |
74cd923a | 534 | goto err; |
2c938e2e MC |
535 | rctx->op.ciph.ciphprovctx |
536 | = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx); | |
537 | if (rctx->op.ciph.ciphprovctx == NULL) { | |
538 | EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher); | |
74cd923a | 539 | goto err; |
2c938e2e MC |
540 | } |
541 | return rctx; | |
542 | } | |
80f4fd18 SL |
543 | } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) { |
544 | if (pctx->op.encap.kem != NULL) { | |
545 | rctx->op.encap.kem = pctx->op.encap.kem; | |
ac7750bb | 546 | if (!EVP_KEM_up_ref(rctx->op.encap.kem)) |
74cd923a | 547 | goto err; |
80f4fd18 SL |
548 | } |
549 | if (pctx->op.encap.kemprovctx != NULL) { | |
550 | if (!ossl_assert(pctx->op.encap.kem != NULL)) | |
74cd923a | 551 | goto err; |
80f4fd18 SL |
552 | rctx->op.encap.kemprovctx |
553 | = pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx); | |
554 | if (rctx->op.encap.kemprovctx == NULL) { | |
555 | EVP_KEM_free(rctx->op.encap.kem); | |
74cd923a | 556 | goto err; |
80f4fd18 SL |
557 | } |
558 | return rctx; | |
559 | } | |
ac7750bb SL |
560 | } else if (EVP_PKEY_CTX_IS_GEN_OP(pctx)) { |
561 | /* Not supported - This would need a gen_dupctx() to work */ | |
74cd923a | 562 | goto err; |
ff64702b MC |
563 | } |
564 | ||
0f113f3e | 565 | rctx->pmeth = pctx->pmeth; |
e683582b | 566 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e | 567 | rctx->engine = pctx->engine; |
e683582b | 568 | # endif |
8bdcef40 | 569 | |
ac7750bb | 570 | if (pctx->peerkey != NULL) |
03273d61 | 571 | EVP_PKEY_up_ref(pctx->peerkey); |
0f113f3e | 572 | rctx->peerkey = pctx->peerkey; |
8bdcef40 | 573 | |
ac7750bb SL |
574 | if (pctx->pmeth == NULL) { |
575 | if (rctx->operation == EVP_PKEY_OP_UNDEFINED) { | |
576 | EVP_KEYMGMT *tmp_keymgmt = pctx->keymgmt; | |
577 | void *provkey; | |
578 | ||
579 | provkey = evp_pkey_export_to_provider(pctx->pkey, pctx->libctx, | |
580 | &tmp_keymgmt, pctx->propquery); | |
581 | if (provkey == NULL) | |
582 | goto err; | |
583 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) | |
584 | goto err; | |
585 | EVP_KEYMGMT_free(rctx->keymgmt); | |
586 | rctx->keymgmt = tmp_keymgmt; | |
587 | return rctx; | |
588 | } | |
74cd923a | 589 | } else if (pctx->pmeth->copy(rctx, pctx) > 0) { |
0f113f3e | 590 | return rctx; |
74cd923a | 591 | } |
ac7750bb | 592 | err: |
83b4049a | 593 | rctx->pmeth = NULL; |
0f113f3e MC |
594 | EVP_PKEY_CTX_free(rctx); |
595 | return NULL; | |
0f113f3e | 596 | } |
8bdcef40 | 597 | |
ba30bad5 | 598 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
599 | { |
600 | if (app_pkey_methods == NULL) { | |
601 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); | |
3484236d | 602 | if (app_pkey_methods == NULL){ |
9311d0c4 | 603 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
0f113f3e | 604 | return 0; |
3484236d | 605 | } |
0f113f3e | 606 | } |
3484236d | 607 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) { |
9311d0c4 | 608 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
0f113f3e | 609 | return 0; |
3484236d | 610 | } |
0f113f3e MC |
611 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); |
612 | return 1; | |
613 | } | |
ba30bad5 | 614 | |
0822e89a PY |
615 | void evp_app_cleanup_int(void) |
616 | { | |
617 | if (app_pkey_methods != NULL) | |
618 | sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free); | |
619 | } | |
620 | ||
621 | int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth) | |
622 | { | |
623 | const EVP_PKEY_METHOD *ret; | |
624 | ||
625 | ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth); | |
626 | ||
627 | return ret == NULL ? 0 : 1; | |
628 | } | |
629 | ||
48ed9c23 DSH |
630 | size_t EVP_PKEY_meth_get_count(void) |
631 | { | |
632 | size_t rv = OSSL_NELEM(standard_methods); | |
633 | ||
634 | if (app_pkey_methods) | |
635 | rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods); | |
636 | return rv; | |
637 | } | |
638 | ||
639 | const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx) | |
640 | { | |
641 | if (idx < OSSL_NELEM(standard_methods)) | |
19bd1fa1 | 642 | return (standard_methods[idx])(); |
48ed9c23 DSH |
643 | if (app_pkey_methods == NULL) |
644 | return NULL; | |
645 | idx -= OSSL_NELEM(standard_methods); | |
646 | if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods)) | |
647 | return NULL; | |
648 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
649 | } | |
e683582b | 650 | #endif |
48ed9c23 | 651 | |
e683582b | 652 | int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
0f113f3e | 653 | { |
e683582b SL |
654 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
655 | && ctx->op.kex.exchprovctx != NULL | |
656 | && ctx->op.kex.exchange != NULL | |
657 | && ctx->op.kex.exchange->set_ctx_params != NULL) | |
658 | return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx, | |
659 | params); | |
660 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
661 | && ctx->op.sig.sigprovctx != NULL | |
662 | && ctx->op.sig.signature != NULL | |
663 | && ctx->op.sig.signature->set_ctx_params != NULL) | |
664 | return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx, | |
665 | params); | |
666 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
667 | && ctx->op.ciph.ciphprovctx != NULL | |
668 | && ctx->op.ciph.cipher != NULL | |
669 | && ctx->op.ciph.cipher->set_ctx_params != NULL) | |
670 | return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx, | |
671 | params); | |
62924755 RL |
672 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
673 | && ctx->op.keymgmt.genctx != NULL | |
674 | && ctx->keymgmt != NULL | |
675 | && ctx->keymgmt->gen_set_params != NULL) | |
676 | return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx, | |
677 | params); | |
80f4fd18 SL |
678 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
679 | && ctx->op.encap.kemprovctx != NULL | |
680 | && ctx->op.encap.kem != NULL | |
681 | && ctx->op.encap.kem->set_ctx_params != NULL) | |
682 | return ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx, | |
683 | params); | |
e683582b | 684 | return 0; |
0f113f3e | 685 | } |
5da98aa6 | 686 | |
9c45222d MC |
687 | int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
688 | { | |
4fe54d67 NT |
689 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
690 | && ctx->op.kex.exchprovctx != NULL | |
691 | && ctx->op.kex.exchange != NULL | |
692 | && ctx->op.kex.exchange->get_ctx_params != NULL) | |
693 | return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx, | |
694 | params); | |
864b89ce MC |
695 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
696 | && ctx->op.sig.sigprovctx != NULL | |
697 | && ctx->op.sig.signature != NULL | |
698 | && ctx->op.sig.signature->get_ctx_params != NULL) | |
699 | return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx, | |
700 | params); | |
2c938e2e MC |
701 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
702 | && ctx->op.ciph.ciphprovctx != NULL | |
703 | && ctx->op.ciph.cipher != NULL | |
704 | && ctx->op.ciph.cipher->get_ctx_params != NULL) | |
705 | return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx, | |
706 | params); | |
80f4fd18 SL |
707 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
708 | && ctx->op.encap.kemprovctx != NULL | |
709 | && ctx->op.encap.kem != NULL | |
710 | && ctx->op.encap.kem->get_ctx_params != NULL) | |
711 | return ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx, | |
712 | params); | |
9c45222d MC |
713 | return 0; |
714 | } | |
715 | ||
11a1b341 | 716 | #ifndef FIPS_MODULE |
9c45222d MC |
717 | const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx) |
718 | { | |
18ec26ba P |
719 | void *provctx; |
720 | ||
4fe54d67 NT |
721 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
722 | && ctx->op.kex.exchange != NULL | |
18ec26ba P |
723 | && ctx->op.kex.exchange->gettable_ctx_params != NULL) { |
724 | provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange)); | |
725 | return ctx->op.kex.exchange->gettable_ctx_params(provctx); | |
726 | } | |
864b89ce MC |
727 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
728 | && ctx->op.sig.signature != NULL | |
18ec26ba P |
729 | && ctx->op.sig.signature->gettable_ctx_params != NULL) { |
730 | provctx = ossl_provider_ctx( | |
731 | EVP_SIGNATURE_provider(ctx->op.sig.signature)); | |
732 | return ctx->op.sig.signature->gettable_ctx_params(provctx); | |
733 | } | |
2c938e2e MC |
734 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
735 | && ctx->op.ciph.cipher != NULL | |
18ec26ba P |
736 | && ctx->op.ciph.cipher->gettable_ctx_params != NULL) { |
737 | provctx = ossl_provider_ctx( | |
738 | EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher)); | |
739 | return ctx->op.ciph.cipher->gettable_ctx_params(provctx); | |
740 | } | |
80f4fd18 SL |
741 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
742 | && ctx->op.encap.kem != NULL | |
743 | && ctx->op.encap.kem->gettable_ctx_params != NULL) { | |
744 | provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem)); | |
745 | return ctx->op.encap.kem->gettable_ctx_params(provctx); | |
746 | } | |
9c45222d MC |
747 | return NULL; |
748 | } | |
749 | ||
9c45222d MC |
750 | const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx) |
751 | { | |
18ec26ba P |
752 | void *provctx; |
753 | ||
864b89ce MC |
754 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
755 | && ctx->op.kex.exchange != NULL | |
18ec26ba P |
756 | && ctx->op.kex.exchange->settable_ctx_params != NULL) { |
757 | provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange)); | |
758 | return ctx->op.kex.exchange->settable_ctx_params(provctx); | |
759 | } | |
864b89ce MC |
760 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
761 | && ctx->op.sig.signature != NULL | |
18ec26ba P |
762 | && ctx->op.sig.signature->settable_ctx_params != NULL) { |
763 | provctx = ossl_provider_ctx( | |
764 | EVP_SIGNATURE_provider(ctx->op.sig.signature)); | |
765 | return ctx->op.sig.signature->settable_ctx_params(provctx); | |
766 | } | |
2c938e2e MC |
767 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
768 | && ctx->op.ciph.cipher != NULL | |
18ec26ba P |
769 | && ctx->op.ciph.cipher->settable_ctx_params != NULL) { |
770 | provctx = ossl_provider_ctx( | |
771 | EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher)); | |
772 | return ctx->op.ciph.cipher->settable_ctx_params(provctx); | |
773 | } | |
62924755 | 774 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
5e77b79a | 775 | && ctx->keymgmt != NULL) |
e3efe7a5 | 776 | return EVP_KEYMGMT_gen_settable_params(ctx->keymgmt); |
80f4fd18 SL |
777 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
778 | && ctx->op.encap.kem != NULL | |
779 | && ctx->op.encap.kem->settable_ctx_params != NULL) { | |
780 | provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem)); | |
781 | return ctx->op.encap.kem->settable_ctx_params(provctx); | |
782 | } | |
9c45222d MC |
783 | return NULL; |
784 | } | |
785 | ||
4fe54d67 NT |
786 | /* |
787 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
788 | * | |
789 | * Return 1 on success, 0 or negative for errors. | |
790 | * | |
791 | * In particular they return -2 if any of the params is not supported. | |
792 | * | |
f844f9eb | 793 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
794 | * - EVP_PKEY_CTX_{get,set}_params() |
795 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
796 | * | |
797 | */ | |
798 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
799 | { | |
800 | const OSSL_PARAM *p; | |
801 | ||
802 | if (ctx == NULL || params == NULL) | |
803 | return 0; | |
804 | ||
805 | for (p = params; p->key != NULL; p++) { | |
806 | /* Check the ctx actually understands this parameter */ | |
807 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx), | |
808 | p->key) == NULL ) | |
809 | return -2; | |
810 | } | |
811 | ||
812 | return EVP_PKEY_CTX_set_params(ctx, params); | |
813 | } | |
814 | ||
815 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
816 | { | |
817 | const OSSL_PARAM *p; | |
818 | ||
819 | if (ctx == NULL || params == NULL) | |
820 | return 0; | |
821 | ||
822 | for (p = params; p->key != NULL; p++ ) { | |
823 | /* Check the ctx actually understands this parameter */ | |
824 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx), | |
825 | p->key) == NULL ) | |
826 | return -2; | |
827 | } | |
828 | ||
829 | return EVP_PKEY_CTX_get_params(ctx, params); | |
830 | } | |
831 | ||
9c45222d MC |
832 | int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md) |
833 | { | |
ac2d58c7 | 834 | OSSL_PARAM sig_md_params[2], *p = sig_md_params; |
9c45222d MC |
835 | /* 80 should be big enough */ |
836 | char name[80] = ""; | |
837 | const EVP_MD *tmp; | |
838 | ||
864b89ce | 839 | if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
9c45222d MC |
840 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
841 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
842 | return -2; | |
843 | } | |
844 | ||
845 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
864b89ce | 846 | if (ctx->op.sig.sigprovctx == NULL) |
9c45222d MC |
847 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, |
848 | EVP_PKEY_CTRL_GET_MD, 0, (void *)(md)); | |
849 | ||
850 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, | |
851 | name, | |
852 | sizeof(name)); | |
ac2d58c7 | 853 | *p = OSSL_PARAM_construct_end(); |
9c45222d MC |
854 | |
855 | if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params)) | |
856 | return 0; | |
857 | ||
7606bed9 | 858 | tmp = evp_get_digestbyname_ex(ctx->libctx, name); |
9c45222d MC |
859 | if (tmp == NULL) |
860 | return 0; | |
861 | ||
862 | *md = tmp; | |
863 | ||
864 | return 1; | |
865 | } | |
866 | ||
05d2f72e MC |
867 | static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md, |
868 | int fallback, const char *param, int op, | |
869 | int ctrl) | |
4889dadc | 870 | { |
05d2f72e | 871 | OSSL_PARAM md_params[2], *p = md_params; |
4889dadc MC |
872 | const char *name; |
873 | ||
05d2f72e | 874 | if (ctx == NULL || (ctx->operation & op) == 0) { |
9c45222d MC |
875 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
876 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
877 | return -2; | |
878 | } | |
879 | ||
4889dadc | 880 | /* TODO(3.0): Remove this eventually when no more legacy */ |
05d2f72e MC |
881 | if (fallback) |
882 | return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md)); | |
4889dadc | 883 | |
9c45222d MC |
884 | if (md == NULL) { |
885 | name = ""; | |
9c45222d | 886 | } else { |
9c45222d MC |
887 | name = EVP_MD_name(md); |
888 | } | |
4889dadc | 889 | |
05d2f72e | 890 | *p++ = OSSL_PARAM_construct_utf8_string(param, |
9c45222d MC |
891 | /* |
892 | * Cast away the const. This is read | |
893 | * only so should be safe | |
894 | */ | |
8b6ffd40 | 895 | (char *)name, 0); |
ac2d58c7 | 896 | *p = OSSL_PARAM_construct_end(); |
4889dadc | 897 | |
05d2f72e MC |
898 | return EVP_PKEY_CTX_set_params(ctx, md_params); |
899 | } | |
900 | ||
901 | int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) | |
902 | { | |
903 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL, | |
904 | OSSL_SIGNATURE_PARAM_DIGEST, | |
905 | EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD); | |
4889dadc MC |
906 | } |
907 | ||
ac2d58c7 MC |
908 | int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
909 | { | |
05d2f72e MC |
910 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL, |
911 | OSSL_KDF_PARAM_DIGEST, | |
912 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD); | |
913 | } | |
914 | ||
915 | static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback, | |
916 | const char *param, int op, int ctrl, | |
917 | const unsigned char *data, | |
918 | int datalen) | |
919 | { | |
920 | OSSL_PARAM octet_string_params[2], *p = octet_string_params; | |
ac2d58c7 | 921 | |
5d51925a | 922 | if (ctx == NULL || (ctx->operation & op) == 0) { |
ac2d58c7 MC |
923 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
924 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
925 | return -2; | |
926 | } | |
927 | ||
928 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
05d2f72e MC |
929 | if (fallback) |
930 | return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data)); | |
ac2d58c7 | 931 | |
05d2f72e MC |
932 | if (datalen < 0) { |
933 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH); | |
934 | return 0; | |
ac2d58c7 MC |
935 | } |
936 | ||
05d2f72e | 937 | *p++ = OSSL_PARAM_construct_octet_string(param, |
ac2d58c7 MC |
938 | /* |
939 | * Cast away the const. This is read | |
940 | * only so should be safe | |
941 | */ | |
05d2f72e MC |
942 | (unsigned char *)data, |
943 | (size_t)datalen); | |
194de849 | 944 | *p = OSSL_PARAM_construct_end(); |
ac2d58c7 | 945 | |
05d2f72e | 946 | return EVP_PKEY_CTX_set_params(ctx, octet_string_params); |
ac2d58c7 MC |
947 | } |
948 | ||
949 | int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx, | |
950 | const unsigned char *sec, int seclen) | |
951 | { | |
05d2f72e MC |
952 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, |
953 | OSSL_KDF_PARAM_SECRET, | |
954 | EVP_PKEY_OP_DERIVE, | |
955 | EVP_PKEY_CTRL_TLS_SECRET, | |
956 | sec, seclen); | |
957 | } | |
ac2d58c7 | 958 | |
05d2f72e MC |
959 | int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx, |
960 | const unsigned char *seed, int seedlen) | |
961 | { | |
962 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
963 | OSSL_KDF_PARAM_SEED, | |
964 | EVP_PKEY_OP_DERIVE, | |
965 | EVP_PKEY_CTRL_TLS_SEED, | |
966 | seed, seedlen); | |
967 | } | |
ac2d58c7 | 968 | |
05d2f72e MC |
969 | int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
970 | { | |
971 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL, | |
972 | OSSL_KDF_PARAM_DIGEST, | |
973 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD); | |
974 | } | |
ac2d58c7 | 975 | |
05d2f72e MC |
976 | int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx, |
977 | const unsigned char *salt, int saltlen) | |
978 | { | |
979 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
980 | OSSL_KDF_PARAM_SALT, | |
981 | EVP_PKEY_OP_DERIVE, | |
982 | EVP_PKEY_CTRL_HKDF_SALT, | |
983 | salt, saltlen); | |
984 | } | |
ac2d58c7 | 985 | |
05d2f72e MC |
986 | int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx, |
987 | const unsigned char *key, int keylen) | |
988 | { | |
989 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
990 | OSSL_KDF_PARAM_KEY, | |
991 | EVP_PKEY_OP_DERIVE, | |
992 | EVP_PKEY_CTRL_HKDF_KEY, | |
993 | key, keylen); | |
994 | } | |
ac2d58c7 | 995 | |
05d2f72e MC |
996 | int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx, |
997 | const unsigned char *info, int infolen) | |
998 | { | |
999 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
1000 | OSSL_KDF_PARAM_INFO, | |
1001 | EVP_PKEY_OP_DERIVE, | |
1002 | EVP_PKEY_CTRL_HKDF_INFO, | |
1003 | info, infolen); | |
ac2d58c7 MC |
1004 | } |
1005 | ||
05d2f72e | 1006 | int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode) |
ac2d58c7 | 1007 | { |
05d2f72e | 1008 | OSSL_PARAM int_params[2], *p = int_params; |
ac2d58c7 MC |
1009 | |
1010 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
1011 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1012 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1013 | return -2; | |
1014 | } | |
1015 | ||
1016 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
1017 | if (ctx->op.kex.exchprovctx == NULL) | |
1018 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE, | |
05d2f72e MC |
1019 | EVP_PKEY_CTRL_HKDF_MODE, mode, NULL); |
1020 | ||
ac2d58c7 | 1021 | |
05d2f72e MC |
1022 | if (mode < 0) { |
1023 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE); | |
ac2d58c7 MC |
1024 | return 0; |
1025 | } | |
1026 | ||
05d2f72e | 1027 | *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode); |
194de849 | 1028 | *p = OSSL_PARAM_construct_end(); |
ac2d58c7 | 1029 | |
05d2f72e | 1030 | return EVP_PKEY_CTX_set_params(ctx, int_params); |
ac2d58c7 MC |
1031 | } |
1032 | ||
194de849 MC |
1033 | int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass, |
1034 | int passlen) | |
1035 | { | |
1036 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
1037 | OSSL_KDF_PARAM_PASSWORD, | |
1038 | EVP_PKEY_OP_DERIVE, | |
1039 | EVP_PKEY_CTRL_PASS, | |
1040 | (const unsigned char *)pass, passlen); | |
1041 | } | |
1042 | ||
1043 | int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx, | |
1044 | const unsigned char *salt, int saltlen) | |
1045 | { | |
1046 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
1047 | OSSL_KDF_PARAM_SALT, | |
1048 | EVP_PKEY_OP_DERIVE, | |
1049 | EVP_PKEY_CTRL_SCRYPT_SALT, | |
1050 | salt, saltlen); | |
1051 | } | |
1052 | ||
1053 | static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param, | |
1054 | int op, int ctrl, uint64_t val) | |
1055 | { | |
1056 | OSSL_PARAM uint64_params[2], *p = uint64_params; | |
1057 | ||
1058 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
1059 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1060 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1061 | return -2; | |
1062 | } | |
1063 | ||
1064 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
1065 | if (ctx->op.kex.exchprovctx == NULL) | |
1066 | return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val); | |
1067 | ||
1068 | *p++ = OSSL_PARAM_construct_uint64(param, &val); | |
1069 | *p = OSSL_PARAM_construct_end(); | |
1070 | ||
1071 | return EVP_PKEY_CTX_set_params(ctx, uint64_params); | |
1072 | } | |
1073 | ||
1074 | int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n) | |
1075 | { | |
1076 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N, | |
1077 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N, | |
1078 | n); | |
1079 | } | |
1080 | ||
1081 | int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r) | |
1082 | { | |
1083 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R, | |
1084 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R, | |
1085 | r); | |
1086 | } | |
1087 | ||
1088 | int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p) | |
1089 | { | |
1090 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P, | |
1091 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P, | |
1092 | p); | |
1093 | } | |
1094 | ||
1095 | int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx, | |
1096 | uint64_t maxmem_bytes) | |
1097 | { | |
1098 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM, | |
1099 | EVP_PKEY_OP_DERIVE, | |
1100 | EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, | |
1101 | maxmem_bytes); | |
1102 | } | |
1103 | ||
5d51925a MC |
1104 | int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key, |
1105 | int keylen) | |
1106 | { | |
1107 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL, | |
1108 | OSSL_PKEY_PARAM_PRIV_KEY, | |
1109 | EVP_PKEY_OP_KEYGEN, | |
1110 | EVP_PKEY_CTRL_SET_MAC_KEY, | |
1111 | key, keylen); | |
1112 | } | |
1113 | ||
80f4fd18 SL |
1114 | int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op) |
1115 | { | |
1116 | OSSL_PARAM params[2], *p = params; | |
1117 | ||
1118 | if (ctx == NULL || op == NULL) { | |
1119 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE); | |
1120 | return 0; | |
1121 | } | |
1122 | if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) { | |
1123 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1124 | return -2; | |
1125 | } | |
1126 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION, | |
1127 | (char *)op, 0); | |
1128 | *p = OSSL_PARAM_construct_end(); | |
1129 | return EVP_PKEY_CTX_set_params(ctx, params); | |
1130 | } | |
1131 | ||
8d6481f5 RL |
1132 | int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len) |
1133 | { | |
1134 | OSSL_PARAM params[2], *p = params; | |
1135 | int ret; | |
1136 | ||
1137 | if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { | |
1138 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1139 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1140 | return -2; | |
1141 | } | |
1142 | ||
1143 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID, | |
1144 | /* | |
1145 | * Cast away the const. This is | |
1146 | * read only so should be safe | |
1147 | */ | |
1148 | (void *)id, (size_t)len); | |
1149 | *p++ = OSSL_PARAM_construct_end(); | |
1150 | ||
1151 | ret = evp_pkey_ctx_set_params_strict(ctx, params); | |
1152 | if (ret == -2) | |
1153 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1154 | return ret; | |
1155 | } | |
1156 | ||
1157 | int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len) | |
1158 | { | |
1159 | return EVP_PKEY_CTX_ctrl(ctx, -1, -1, | |
1160 | EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id)); | |
1161 | } | |
1162 | ||
1163 | static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len) | |
1164 | { | |
1165 | int ret; | |
1166 | void *tmp_id = NULL; | |
1167 | OSSL_PARAM params[2], *p = params; | |
1168 | ||
1169 | if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { | |
1170 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1171 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1172 | return -2; | |
1173 | } | |
1174 | ||
1175 | *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID, | |
1176 | &tmp_id, 0); | |
1177 | *p++ = OSSL_PARAM_construct_end(); | |
1178 | ||
1179 | ret = evp_pkey_ctx_get_params_strict(ctx, params); | |
1180 | if (ret == -2) { | |
1181 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1182 | } else if (ret > 0) { | |
1183 | size_t tmp_id_len = params[0].return_size; | |
1184 | ||
1185 | if (id != NULL) | |
1186 | memcpy(id, tmp_id, tmp_id_len); | |
1187 | if (id_len != NULL) | |
1188 | *id_len = tmp_id_len; | |
1189 | } | |
1190 | return ret; | |
1191 | } | |
1192 | ||
1193 | int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id) | |
1194 | { | |
1195 | return get1_id_data(ctx, id, NULL); | |
1196 | } | |
1197 | ||
1198 | int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len) | |
1199 | { | |
1200 | return get1_id_data(ctx, NULL, id_len); | |
1201 | } | |
1202 | ||
1203 | int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id) | |
1204 | { | |
1205 | return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id); | |
1206 | } | |
1207 | ||
1208 | int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len) | |
1209 | { | |
1210 | return EVP_PKEY_CTX_ctrl(ctx, -1, -1, | |
1211 | EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len); | |
1212 | } | |
1213 | ||
35aca9ec MC |
1214 | static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype, |
1215 | int cmd, int p1, void *p2) | |
1216 | { | |
86df26b3 RL |
1217 | switch (cmd) { |
1218 | case EVP_PKEY_CTRL_SET1_ID: | |
1219 | return evp_pkey_ctx_set1_id_prov(ctx, p2, p1); | |
1220 | case EVP_PKEY_CTRL_GET1_ID: | |
1221 | return evp_pkey_ctx_get1_id_prov(ctx, p2); | |
1222 | case EVP_PKEY_CTRL_GET1_ID_LEN: | |
1223 | return evp_pkey_ctx_get1_id_len_prov(ctx, p2); | |
1224 | } | |
1225 | ||
116d2510 SL |
1226 | if (keytype == EVP_PKEY_DHX) { |
1227 | switch (cmd) { | |
1228 | case EVP_PKEY_CTRL_DH_KDF_TYPE: | |
1229 | return EVP_PKEY_CTX_set_dh_kdf_type(ctx, p1); | |
1230 | case EVP_PKEY_CTRL_DH_KDF_MD: | |
1231 | return EVP_PKEY_CTX_set_dh_kdf_md(ctx, p2); | |
1232 | case EVP_PKEY_CTRL_DH_KDF_OUTLEN: | |
1233 | return EVP_PKEY_CTX_set_dh_kdf_outlen(ctx, p1); | |
1234 | case EVP_PKEY_CTRL_DH_KDF_UKM: | |
1235 | return EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx, p2, p1); | |
1236 | case EVP_PKEY_CTRL_DH_KDF_OID: | |
1237 | return EVP_PKEY_CTX_set0_dh_kdf_oid(ctx, p2); | |
1238 | case EVP_PKEY_CTRL_GET_DH_KDF_MD: | |
1239 | return EVP_PKEY_CTX_get_dh_kdf_md(ctx, p2); | |
1240 | case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN: | |
1241 | return EVP_PKEY_CTX_get_dh_kdf_outlen(ctx, p2); | |
1242 | case EVP_PKEY_CTRL_GET_DH_KDF_UKM: | |
1243 | return EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx, p2); | |
1244 | case EVP_PKEY_CTRL_GET_DH_KDF_OID: | |
1245 | return EVP_PKEY_CTX_get0_dh_kdf_oid(ctx, p2); | |
1246 | } | |
1247 | } | |
4fe54d67 NT |
1248 | if (keytype == EVP_PKEY_DH) { |
1249 | switch (cmd) { | |
1250 | case EVP_PKEY_CTRL_DH_PAD: | |
1251 | return EVP_PKEY_CTX_set_dh_pad(ctx, p1); | |
7165593c SL |
1252 | case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN: |
1253 | return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1); | |
1254 | case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN: | |
1255 | return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1); | |
1256 | case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR: | |
1257 | return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1); | |
1258 | case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE: | |
1259 | return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1); | |
1260 | case EVP_PKEY_CTRL_DH_RFC5114: | |
1261 | return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1); | |
4fe54d67 NT |
1262 | } |
1263 | } | |
b03ec3b5 SL |
1264 | if (keytype == EVP_PKEY_DSA) { |
1265 | switch (cmd) { | |
1266 | case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: | |
1267 | return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1); | |
1268 | case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: | |
1269 | return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1); | |
1270 | case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: | |
1271 | return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2); | |
1272 | } | |
1273 | } | |
4fe54d67 NT |
1274 | if (keytype == EVP_PKEY_EC) { |
1275 | switch (cmd) { | |
7229a2f4 RL |
1276 | case EVP_PKEY_CTRL_EC_PARAM_ENC: |
1277 | return evp_pkey_ctx_set_ec_param_enc_prov(ctx, p1); | |
10d756a7 RL |
1278 | case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID: |
1279 | return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1); | |
6f4b7663 RL |
1280 | case EVP_PKEY_CTRL_EC_ECDH_COFACTOR: |
1281 | if (p1 == -2) { | |
1282 | return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx); | |
1283 | } else if (p1 < -1 || p1 > 1) { | |
1284 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1285 | return -2; | |
1286 | } else { | |
1287 | return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1); | |
1288 | } | |
1289 | case EVP_PKEY_CTRL_EC_KDF_TYPE: | |
1290 | if (p1 == -2) { | |
1291 | return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx); | |
1292 | } else { | |
1293 | return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1); | |
1294 | } | |
1295 | case EVP_PKEY_CTRL_GET_EC_KDF_MD: | |
1296 | return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2); | |
1297 | case EVP_PKEY_CTRL_EC_KDF_MD: | |
1298 | return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2); | |
1299 | case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN: | |
1300 | return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2); | |
1301 | case EVP_PKEY_CTRL_EC_KDF_OUTLEN: | |
1302 | return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1); | |
1303 | case EVP_PKEY_CTRL_GET_EC_KDF_UKM: | |
1304 | return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2); | |
1305 | case EVP_PKEY_CTRL_EC_KDF_UKM: | |
1306 | return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1); | |
4fe54d67 NT |
1307 | } |
1308 | } | |
2decdad3 RL |
1309 | if (keytype == EVP_PKEY_RSA) { |
1310 | switch (cmd) { | |
1311 | case EVP_PKEY_CTRL_RSA_OAEP_MD: | |
1312 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
1313 | case EVP_PKEY_CTRL_GET_RSA_OAEP_MD: | |
1314 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
1315 | case EVP_PKEY_CTRL_RSA_MGF1_MD: | |
1316 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
1317 | case EVP_PKEY_CTRL_RSA_OAEP_LABEL: | |
1318 | return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1); | |
1319 | case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL: | |
1320 | return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2); | |
1321 | case EVP_PKEY_CTRL_RSA_KEYGEN_BITS: | |
1322 | return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1); | |
1323 | case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP: | |
1324 | return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2); | |
1325 | case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES: | |
1326 | return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1); | |
1327 | } | |
1328 | } | |
e947a064 DB |
1329 | |
1330 | if (keytype == EVP_PKEY_RSA_PSS) { | |
1331 | switch(cmd) { | |
1332 | case EVP_PKEY_CTRL_MD: | |
1333 | return EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, p2); | |
1334 | } | |
1335 | } | |
1336 | ||
2decdad3 RL |
1337 | /* |
1338 | * keytype == -1 is used when several key types share the same structure, | |
1339 | * or for generic controls that are the same across multiple key types. | |
1340 | */ | |
4fe54d67 | 1341 | if (keytype == -1) { |
ac2d58c7 MC |
1342 | if (optype == EVP_PKEY_OP_DERIVE) { |
1343 | switch (cmd) { | |
05d2f72e | 1344 | /* TLS1-PRF */ |
ac2d58c7 MC |
1345 | case EVP_PKEY_CTRL_TLS_MD: |
1346 | return EVP_PKEY_CTX_set_tls1_prf_md(ctx, p2); | |
1347 | case EVP_PKEY_CTRL_TLS_SECRET: | |
1348 | return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx, p2, p1); | |
1349 | case EVP_PKEY_CTRL_TLS_SEED: | |
1350 | return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx, p2, p1); | |
05d2f72e MC |
1351 | |
1352 | /* HKDF */ | |
1353 | case EVP_PKEY_CTRL_HKDF_MD: | |
1354 | return EVP_PKEY_CTX_set_hkdf_md(ctx, p2); | |
1355 | case EVP_PKEY_CTRL_HKDF_SALT : | |
1356 | return EVP_PKEY_CTX_set1_hkdf_salt(ctx, p2, p1); | |
1357 | case EVP_PKEY_CTRL_HKDF_KEY: | |
1358 | return EVP_PKEY_CTX_set1_hkdf_key(ctx, p2, p1); | |
1359 | case EVP_PKEY_CTRL_HKDF_INFO: | |
1360 | return EVP_PKEY_CTX_add1_hkdf_info(ctx, p2, p1); | |
1361 | case EVP_PKEY_CTRL_HKDF_MODE: | |
1362 | return EVP_PKEY_CTX_hkdf_mode(ctx, p1); | |
194de849 MC |
1363 | |
1364 | /* Scrypt */ | |
1365 | case EVP_PKEY_CTRL_PASS: | |
1366 | return EVP_PKEY_CTX_set1_pbe_pass(ctx, p2, p1); | |
1367 | case EVP_PKEY_CTRL_SCRYPT_SALT: | |
1368 | return EVP_PKEY_CTX_set1_scrypt_salt(ctx, p2, p1); | |
1369 | case EVP_PKEY_CTRL_SCRYPT_N: | |
1370 | return EVP_PKEY_CTX_set_scrypt_N(ctx, p1); | |
1371 | case EVP_PKEY_CTRL_SCRYPT_R: | |
1372 | return EVP_PKEY_CTX_set_scrypt_r(ctx, p1); | |
1373 | case EVP_PKEY_CTRL_SCRYPT_P: | |
1374 | return EVP_PKEY_CTX_set_scrypt_p(ctx, p1); | |
1375 | case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES: | |
1376 | return EVP_PKEY_CTX_set_scrypt_maxmem_bytes(ctx, p1); | |
ac2d58c7 | 1377 | } |
a540ef90 MC |
1378 | } else if (optype == EVP_PKEY_OP_KEYGEN) { |
1379 | OSSL_PARAM params[2], *p = params; | |
1380 | ||
1381 | switch (cmd) { | |
1382 | case EVP_PKEY_CTRL_CIPHER: | |
1383 | { | |
1384 | char *ciphname = (char *)EVP_CIPHER_name(p2); | |
1385 | ||
1386 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER, | |
1387 | ciphname, 0); | |
1388 | *p = OSSL_PARAM_construct_end(); | |
1389 | ||
1390 | return EVP_PKEY_CTX_set_params(ctx, params); | |
1391 | } | |
1392 | case EVP_PKEY_CTRL_SET_MAC_KEY: | |
1393 | { | |
1394 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, | |
1395 | p2, p1); | |
1396 | *p = OSSL_PARAM_construct_end(); | |
1397 | ||
1398 | return EVP_PKEY_CTX_set_params(ctx, params); | |
1399 | } | |
1400 | } | |
ac2d58c7 | 1401 | } |
4fe54d67 | 1402 | switch (cmd) { |
6f4b7663 RL |
1403 | case EVP_PKEY_CTRL_MD: |
1404 | return EVP_PKEY_CTX_set_signature_md(ctx, p2); | |
1405 | case EVP_PKEY_CTRL_GET_MD: | |
1406 | return EVP_PKEY_CTX_get_signature_md(ctx, p2); | |
1407 | case EVP_PKEY_CTRL_RSA_PADDING: | |
1408 | return EVP_PKEY_CTX_set_rsa_padding(ctx, p1); | |
1409 | case EVP_PKEY_CTRL_GET_RSA_PADDING: | |
1410 | return EVP_PKEY_CTX_get_rsa_padding(ctx, p2); | |
6f4b7663 RL |
1411 | case EVP_PKEY_CTRL_GET_RSA_MGF1_MD: |
1412 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
6f4b7663 RL |
1413 | case EVP_PKEY_CTRL_RSA_PSS_SALTLEN: |
1414 | return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1); | |
1415 | case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN: | |
1416 | return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2); | |
1417 | case EVP_PKEY_CTRL_PKCS7_ENCRYPT: | |
1418 | case EVP_PKEY_CTRL_PKCS7_DECRYPT: | |
e683582b | 1419 | # ifndef OPENSSL_NO_CMS |
6f4b7663 RL |
1420 | case EVP_PKEY_CTRL_CMS_DECRYPT: |
1421 | case EVP_PKEY_CTRL_CMS_ENCRYPT: | |
e683582b | 1422 | # endif |
cc572c25 RL |
1423 | /* TODO (3.0) Temporary hack, this should probe */ |
1424 | if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS")) | |
6f4b7663 RL |
1425 | return 1; |
1426 | ERR_raise(ERR_LIB_EVP, | |
1427 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
1428 | return -2; | |
4fe54d67 | 1429 | } |
35aca9ec | 1430 | } |
a540ef90 MC |
1431 | |
1432 | /* | |
1433 | * GOST CMS format is different for different cipher algorithms. | |
1434 | * Most of other algorithms don't have such a difference | |
1435 | * so this ctrl is just ignored. | |
1436 | */ | |
1437 | if (cmd == EVP_PKEY_CTRL_CIPHER) | |
1438 | return -2; | |
1439 | ||
35aca9ec MC |
1440 | return 0; |
1441 | } | |
1442 | ||
86df26b3 RL |
1443 | static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype, |
1444 | int cmd, int p1, void *p2) | |
0f113f3e | 1445 | { |
86df26b3 | 1446 | int ret = 0; |
4803717f | 1447 | |
86df26b3 RL |
1448 | /* |
1449 | * If the method has a |digest_custom| function, we can relax the | |
1450 | * operation type check, since this can be called before the operation | |
1451 | * is initialized. | |
1452 | */ | |
1453 | if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) { | |
1454 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) { | |
9311d0c4 | 1455 | ERR_raise(ERR_LIB_EVP, EVP_R_NO_OPERATION_SET); |
86df26b3 RL |
1456 | return -1; |
1457 | } | |
35aca9ec | 1458 | |
86df26b3 | 1459 | if ((optype != -1) && !(ctx->operation & optype)) { |
9311d0c4 | 1460 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION); |
86df26b3 RL |
1461 | return -1; |
1462 | } | |
0f113f3e | 1463 | } |
0f113f3e | 1464 | |
86df26b3 RL |
1465 | switch (evp_pkey_ctx_state(ctx)) { |
1466 | case EVP_PKEY_STATE_PROVIDER: | |
1467 | return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2); | |
1468 | case EVP_PKEY_STATE_UNKNOWN: | |
1469 | case EVP_PKEY_STATE_LEGACY: | |
1470 | if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) { | |
9311d0c4 | 1471 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
86df26b3 RL |
1472 | return -2; |
1473 | } | |
1474 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) | |
1475 | return -1; | |
4803717f | 1476 | |
86df26b3 | 1477 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); |
0f113f3e | 1478 | |
86df26b3 | 1479 | if (ret == -2) |
9311d0c4 | 1480 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
86df26b3 | 1481 | break; |
0f113f3e | 1482 | } |
86df26b3 RL |
1483 | return ret; |
1484 | } | |
0f113f3e | 1485 | |
86df26b3 RL |
1486 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, |
1487 | int cmd, int p1, void *p2) | |
1488 | { | |
1489 | int ret = 0; | |
1490 | ||
d65ab22e | 1491 | if (ctx == NULL) { |
9311d0c4 | 1492 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
d65ab22e SL |
1493 | return -2; |
1494 | } | |
86df26b3 RL |
1495 | /* If unsupported, we don't want that reported here */ |
1496 | ERR_set_mark(); | |
1497 | ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype, | |
1498 | cmd, NULL, p2, p1); | |
1499 | if (ret == -2) { | |
1500 | ERR_pop_to_mark(); | |
1501 | } else { | |
1502 | ERR_clear_last_mark(); | |
1503 | /* | |
1504 | * If there was an error, there was an error. | |
1505 | * If the operation isn't initialized yet, we also return, as | |
1506 | * the saved values will be used then anyway. | |
1507 | */ | |
1508 | if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
1509 | return ret; | |
1510 | } | |
86df26b3 | 1511 | return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2); |
0f113f3e | 1512 | } |
0b6f3c66 | 1513 | |
cefa762e | 1514 | int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype, |
64bf1016 | 1515 | int cmd, uint64_t value) |
cefa762e JB |
1516 | { |
1517 | return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value); | |
1518 | } | |
1519 | ||
35aca9ec MC |
1520 | static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name, |
1521 | const char *value) | |
1522 | { | |
ac2d58c7 MC |
1523 | if (strcmp(name, "md") == 0) |
1524 | name = OSSL_ALG_PARAM_DIGEST; | |
1525 | else if (strcmp(name, "rsa_padding_mode") == 0) | |
972fa318 RL |
1526 | name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE; |
1527 | else if (strcmp(name, "rsa_mgf1_md") == 0) | |
1528 | name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST; | |
1529 | else if (strcmp(name, "rsa_oaep_md") == 0) | |
1530 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST; | |
1531 | else if (strcmp(name, "rsa_oaep_label") == 0) | |
1532 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL; | |
6f4b7663 RL |
1533 | else if (strcmp(name, "rsa_pss_saltlen") == 0) |
1534 | name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN; | |
2972af10 RL |
1535 | else if (strcmp(name, "rsa_keygen_bits") == 0) |
1536 | name = OSSL_PKEY_PARAM_RSA_BITS; | |
1537 | else if (strcmp(name, "rsa_keygen_pubexp") == 0) | |
1538 | name = OSSL_PKEY_PARAM_RSA_E; | |
1539 | else if (strcmp(name, "rsa_keygen_primes") == 0) | |
1540 | name = OSSL_PKEY_PARAM_RSA_PRIMES; | |
e25761b1 RL |
1541 | else if (strcmp(name, "rsa_pss_keygen_md") == 0) |
1542 | name = OSSL_PKEY_PARAM_RSA_DIGEST; | |
1543 | else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0) | |
1544 | name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST; | |
1545 | else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0) | |
1546 | name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN; | |
b03ec3b5 SL |
1547 | else if (strcmp(name, "dsa_paramgen_bits") == 0) |
1548 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1549 | else if (strcmp(name, "dsa_paramgen_q_bits") == 0) | |
1550 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1551 | else if (strcmp(name, "dsa_paramgen_md") == 0) | |
1552 | name = OSSL_PKEY_PARAM_FFC_DIGEST; | |
7165593c | 1553 | else if (strcmp(name, "dh_paramgen_generator") == 0) |
b8086652 | 1554 | name = OSSL_PKEY_PARAM_DH_GENERATOR; |
7165593c SL |
1555 | else if (strcmp(name, "dh_paramgen_prime_len") == 0) |
1556 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1557 | else if (strcmp(name, "dh_paramgen_subprime_len") == 0) | |
1558 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1559 | else if (strcmp(name, "dh_paramgen_type") == 0) { | |
1560 | name = OSSL_PKEY_PARAM_FFC_TYPE; | |
1561 | value = dh_gen_type_id2name(atoi(value)); | |
1562 | } else if (strcmp(name, "dh_param") == 0) | |
023b188c | 1563 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
7165593c | 1564 | else if (strcmp(name, "dh_rfc5114") == 0) { |
c829c23b RL |
1565 | int num = atoi(value); |
1566 | ||
023b188c | 1567 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
c829c23b RL |
1568 | value = |
1569 | ossl_ffc_named_group_get_name(ossl_ffc_uid_to_dh_named_group(num)); | |
7165593c | 1570 | } else if (strcmp(name, "dh_pad") == 0) |
972fa318 | 1571 | name = OSSL_EXCHANGE_PARAM_PAD; |
10d756a7 | 1572 | else if (strcmp(name, "ec_paramgen_curve") == 0) |
11a1b341 | 1573 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
4fe54d67 NT |
1574 | else if (strcmp(name, "ecdh_cofactor_mode") == 0) |
1575 | name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE; | |
1576 | else if (strcmp(name, "ecdh_kdf_md") == 0) | |
f552d900 | 1577 | name = OSSL_EXCHANGE_PARAM_KDF_DIGEST; |
c0f39ded SL |
1578 | else if (strcmp(name, "ec_param_enc") == 0) |
1579 | name = OSSL_PKEY_PARAM_EC_ENCODING; | |
194de849 MC |
1580 | else if (strcmp(name, "N") == 0) |
1581 | name = OSSL_KDF_PARAM_SCRYPT_N; | |
89abd1b6 | 1582 | |
972fa318 RL |
1583 | { |
1584 | /* | |
1585 | * TODO(3.0) reduce the code above to only translate known legacy | |
1586 | * string to the corresponding core name (see core_names.h), but | |
1587 | * otherwise leave it to this code block to do the actual work. | |
1588 | */ | |
1589 | const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx); | |
1590 | OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END }; | |
1591 | int rv = 0; | |
292c8bdc | 1592 | int exists = 0; |
89abd1b6 | 1593 | |
972fa318 | 1594 | if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value, |
292c8bdc P |
1595 | strlen(value), &exists)) { |
1596 | if (!exists) { | |
e25761b1 RL |
1597 | ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED, |
1598 | "name=%s,value=%s", name, value); | |
292c8bdc P |
1599 | return -2; |
1600 | } | |
89abd1b6 | 1601 | return 0; |
292c8bdc | 1602 | } |
972fa318 RL |
1603 | if (EVP_PKEY_CTX_set_params(ctx, params)) |
1604 | rv = 1; | |
1605 | OPENSSL_free(params[0].data); | |
1606 | return rv; | |
89abd1b6 | 1607 | } |
35aca9ec MC |
1608 | } |
1609 | ||
86df26b3 RL |
1610 | static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx, |
1611 | const char *name, const char *value) | |
0f113f3e | 1612 | { |
86df26b3 RL |
1613 | int ret = 0; |
1614 | ||
35aca9ec | 1615 | if (ctx == NULL) { |
9311d0c4 | 1616 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
35aca9ec MC |
1617 | return -2; |
1618 | } | |
1619 | ||
86df26b3 RL |
1620 | switch (evp_pkey_ctx_state(ctx)) { |
1621 | case EVP_PKEY_STATE_PROVIDER: | |
35aca9ec | 1622 | return legacy_ctrl_str_to_param(ctx, name, value); |
86df26b3 RL |
1623 | case EVP_PKEY_STATE_UNKNOWN: |
1624 | case EVP_PKEY_STATE_LEGACY: | |
1625 | if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) { | |
9311d0c4 | 1626 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
86df26b3 RL |
1627 | return -2; |
1628 | } | |
1629 | if (strcmp(name, "digest") == 0) | |
b9689452 RL |
1630 | ret = EVP_PKEY_CTX_md(ctx, |
1631 | EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, | |
86df26b3 RL |
1632 | EVP_PKEY_CTRL_MD, value); |
1633 | else | |
1634 | ret = ctx->pmeth->ctrl_str(ctx, name, value); | |
1635 | break; | |
1636 | } | |
35aca9ec | 1637 | |
86df26b3 RL |
1638 | return ret; |
1639 | } | |
1640 | ||
1641 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, | |
1642 | const char *name, const char *value) | |
1643 | { | |
1644 | int ret = 0; | |
1645 | ||
1646 | /* If unsupported, we don't want that reported here */ | |
1647 | ERR_set_mark(); | |
1648 | ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1, | |
1649 | name, value, strlen(value) + 1); | |
1650 | if (ret == -2) { | |
1651 | ERR_pop_to_mark(); | |
1652 | } else { | |
1653 | ERR_clear_last_mark(); | |
1654 | /* | |
1655 | * If there was an error, there was an error. | |
1656 | * If the operation isn't initialized yet, we also return, as | |
1657 | * the saved values will be used then anyway. | |
1658 | */ | |
1659 | if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
1660 | return ret; | |
1661 | } | |
1662 | ||
1663 | return evp_pkey_ctx_ctrl_str_int(ctx, name, value); | |
1664 | } | |
1665 | ||
1666 | static int decode_cmd(int cmd, const char *name) | |
1667 | { | |
1668 | if (cmd == -1) { | |
1669 | /* | |
1670 | * The consequence of the assertion not being true is that this | |
1671 | * function will return -1, which will cause the calling functions | |
1672 | * to signal that the command is unsupported... in non-debug mode. | |
1673 | */ | |
1674 | if (ossl_assert(name != NULL)) | |
1675 | if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0) | |
1676 | cmd = EVP_PKEY_CTRL_SET1_ID; | |
1677 | } | |
1678 | ||
1679 | return cmd; | |
1680 | } | |
1681 | ||
1682 | static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx, | |
1683 | int keytype, int optype, | |
1684 | int cmd, const char *name, | |
1685 | const void *data, size_t data_len) | |
1686 | { | |
977e95b9 RL |
1687 | if (keytype != -1) { |
1688 | switch (evp_pkey_ctx_state(ctx)) { | |
1689 | case EVP_PKEY_STATE_PROVIDER: | |
1690 | if (ctx->keymgmt == NULL) { | |
1691 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1692 | return -2; | |
1693 | } | |
1694 | if (!EVP_KEYMGMT_is_a(ctx->keymgmt, | |
1695 | evp_pkey_type2name(keytype))) { | |
1696 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION); | |
1697 | return -1; | |
1698 | } | |
1699 | break; | |
1700 | case EVP_PKEY_STATE_UNKNOWN: | |
1701 | case EVP_PKEY_STATE_LEGACY: | |
1702 | if (ctx->pmeth == NULL) { | |
1703 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1704 | return -2; | |
1705 | } | |
1706 | if (ctx->pmeth->pkey_id != keytype) { | |
1707 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION); | |
1708 | return -1; | |
1709 | } | |
1710 | break; | |
1711 | } | |
1712 | } | |
1713 | if (optype != -1 && (ctx->operation & optype) == 0) { | |
86df26b3 RL |
1714 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION); |
1715 | return -1; | |
0f113f3e | 1716 | } |
86df26b3 RL |
1717 | |
1718 | cmd = decode_cmd(cmd, name); | |
1719 | switch (cmd) { | |
1720 | case EVP_PKEY_CTRL_SET1_ID: | |
1721 | evp_pkey_ctx_free_cached_data(ctx, cmd, name); | |
1722 | if (name != NULL) { | |
1723 | ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name); | |
1724 | if (ctx->cached_parameters.dist_id_name == NULL) { | |
1725 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1726 | return 0; | |
1727 | } | |
1728 | } | |
1729 | if (data_len > 0) { | |
1730 | ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len); | |
1731 | if (ctx->cached_parameters.dist_id == NULL) { | |
1732 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1733 | return 0; | |
1734 | } | |
1735 | } | |
1736 | ctx->cached_parameters.dist_id_set = 1; | |
1737 | ctx->cached_parameters.dist_id_len = data_len; | |
1738 | return 1; | |
1739 | } | |
1740 | ||
1741 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1742 | return -2; | |
1743 | } | |
1744 | ||
1745 | static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx, | |
1746 | int cmd, const char *name) | |
1747 | { | |
1748 | cmd = decode_cmd(cmd, name); | |
1749 | switch (cmd) { | |
1750 | case EVP_PKEY_CTRL_SET1_ID: | |
1751 | OPENSSL_free(ctx->cached_parameters.dist_id); | |
1752 | OPENSSL_free(ctx->cached_parameters.dist_id_name); | |
1753 | ctx->cached_parameters.dist_id = NULL; | |
1754 | ctx->cached_parameters.dist_id_name = NULL; | |
1755 | break; | |
1756 | } | |
1757 | } | |
1758 | ||
1759 | static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx) | |
1760 | { | |
1761 | evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL); | |
1762 | } | |
1763 | ||
1764 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx) | |
1765 | { | |
1766 | int ret = 1; | |
1767 | ||
1768 | if (ret && ctx->cached_parameters.dist_id_set) { | |
1769 | const char *name = ctx->cached_parameters.dist_id_name; | |
1770 | const void *val = ctx->cached_parameters.dist_id; | |
1771 | size_t len = ctx->cached_parameters.dist_id_len; | |
1772 | ||
1773 | if (name != NULL) | |
1774 | ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val); | |
1775 | else | |
1776 | ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation, | |
1777 | EVP_PKEY_CTRL_SET1_ID, | |
1778 | (int)len, (void *)val); | |
1779 | } | |
1780 | ||
1781 | return ret; | |
0f113f3e | 1782 | } |
f5cda4cb | 1783 | |
b4250010 | 1784 | OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx) |
0b3a4ef2 MC |
1785 | { |
1786 | return ctx->libctx; | |
1787 | } | |
1788 | ||
29000e43 | 1789 | const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX *ctx) |
0b3a4ef2 MC |
1790 | { |
1791 | return ctx->propquery; | |
1792 | } | |
1793 | ||
99119000 DSH |
1794 | /* Utility functions to send a string of hex string to a ctrl */ |
1795 | ||
1796 | int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str) | |
1797 | { | |
1798 | size_t len; | |
1799 | ||
1800 | len = strlen(str); | |
1801 | if (len > INT_MAX) | |
1802 | return -1; | |
1803 | return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str); | |
1804 | } | |
1805 | ||
1806 | int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex) | |
1807 | { | |
1808 | unsigned char *bin; | |
1809 | long binlen; | |
1810 | int rv = -1; | |
1811 | ||
14f051a0 | 1812 | bin = OPENSSL_hexstr2buf(hex, &binlen); |
99119000 DSH |
1813 | if (bin == NULL) |
1814 | return 0; | |
1815 | if (binlen <= INT_MAX) | |
1816 | rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin); | |
1817 | OPENSSL_free(bin); | |
1818 | return rv; | |
1819 | } | |
52ad523c | 1820 | |
410877ba DSH |
1821 | /* Pass a message digest to a ctrl */ |
1822 | int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md) | |
1823 | { | |
1824 | const EVP_MD *m; | |
c82bafc5 | 1825 | |
410877ba | 1826 | if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) { |
9311d0c4 | 1827 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_DIGEST); |
410877ba DSH |
1828 | return 0; |
1829 | } | |
1830 | return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m); | |
1831 | } | |
99119000 | 1832 | |
b28dea4e | 1833 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1834 | { |
1835 | return ctx->operation; | |
1836 | } | |
b28dea4e DSH |
1837 | |
1838 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
0f113f3e MC |
1839 | { |
1840 | ctx->keygen_info = dat; | |
1841 | ctx->keygen_info_count = datlen; | |
1842 | } | |
b28dea4e | 1843 | |
f5cda4cb | 1844 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1845 | { |
1846 | ctx->data = data; | |
1847 | } | |
f5cda4cb | 1848 | |
9fdcc21f | 1849 | void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1850 | { |
1851 | return ctx->data; | |
1852 | } | |
f5cda4cb | 1853 | |
81cebb8b | 1854 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1855 | { |
1856 | return ctx->pkey; | |
1857 | } | |
81cebb8b | 1858 | |
0e1dba93 | 1859 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1860 | { |
1861 | return ctx->peerkey; | |
1862 | } | |
1863 | ||
f5cda4cb | 1864 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1865 | { |
1866 | ctx->app_data = data; | |
1867 | } | |
f5cda4cb DSH |
1868 | |
1869 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
0f113f3e MC |
1870 | { |
1871 | return ctx->app_data; | |
1872 | } | |
ba30bad5 DSH |
1873 | |
1874 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1875 | int (*init) (EVP_PKEY_CTX *ctx)) |
1876 | { | |
1877 | pmeth->init = init; | |
1878 | } | |
8bdcef40 DSH |
1879 | |
1880 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
0f113f3e | 1881 | int (*copy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 1882 | const EVP_PKEY_CTX *src)) |
0f113f3e MC |
1883 | { |
1884 | pmeth->copy = copy; | |
1885 | } | |
ba30bad5 DSH |
1886 | |
1887 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1888 | void (*cleanup) (EVP_PKEY_CTX *ctx)) |
1889 | { | |
1890 | pmeth->cleanup = cleanup; | |
1891 | } | |
ba30bad5 DSH |
1892 | |
1893 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1894 | int (*paramgen_init) (EVP_PKEY_CTX *ctx), |
1895 | int (*paramgen) (EVP_PKEY_CTX *ctx, | |
1896 | EVP_PKEY *pkey)) | |
1897 | { | |
1898 | pmeth->paramgen_init = paramgen_init; | |
1899 | pmeth->paramgen = paramgen; | |
1900 | } | |
ba30bad5 DSH |
1901 | |
1902 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1903 | int (*keygen_init) (EVP_PKEY_CTX *ctx), |
1904 | int (*keygen) (EVP_PKEY_CTX *ctx, | |
1905 | EVP_PKEY *pkey)) | |
1906 | { | |
1907 | pmeth->keygen_init = keygen_init; | |
1908 | pmeth->keygen = keygen; | |
1909 | } | |
ba30bad5 DSH |
1910 | |
1911 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1912 | int (*sign_init) (EVP_PKEY_CTX *ctx), |
1913 | int (*sign) (EVP_PKEY_CTX *ctx, | |
1914 | unsigned char *sig, size_t *siglen, | |
1915 | const unsigned char *tbs, | |
1916 | size_t tbslen)) | |
1917 | { | |
1918 | pmeth->sign_init = sign_init; | |
1919 | pmeth->sign = sign; | |
1920 | } | |
ba30bad5 DSH |
1921 | |
1922 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1923 | int (*verify_init) (EVP_PKEY_CTX *ctx), |
1924 | int (*verify) (EVP_PKEY_CTX *ctx, | |
1925 | const unsigned char *sig, | |
1926 | size_t siglen, | |
1927 | const unsigned char *tbs, | |
1928 | size_t tbslen)) | |
1929 | { | |
1930 | pmeth->verify_init = verify_init; | |
1931 | pmeth->verify = verify; | |
1932 | } | |
ba30bad5 DSH |
1933 | |
1934 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1935 | int (*verify_recover_init) (EVP_PKEY_CTX |
1936 | *ctx), | |
1937 | int (*verify_recover) (EVP_PKEY_CTX | |
1938 | *ctx, | |
1939 | unsigned char | |
1940 | *sig, | |
1941 | size_t *siglen, | |
1942 | const unsigned | |
1943 | char *tbs, | |
1944 | size_t tbslen)) | |
1945 | { | |
1946 | pmeth->verify_recover_init = verify_recover_init; | |
1947 | pmeth->verify_recover = verify_recover; | |
1948 | } | |
ba30bad5 DSH |
1949 | |
1950 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1951 | int (*signctx_init) (EVP_PKEY_CTX *ctx, |
1952 | EVP_MD_CTX *mctx), | |
1953 | int (*signctx) (EVP_PKEY_CTX *ctx, | |
1954 | unsigned char *sig, | |
1955 | size_t *siglen, | |
1956 | EVP_MD_CTX *mctx)) | |
1957 | { | |
1958 | pmeth->signctx_init = signctx_init; | |
1959 | pmeth->signctx = signctx; | |
1960 | } | |
ba30bad5 DSH |
1961 | |
1962 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1963 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, |
1964 | EVP_MD_CTX *mctx), | |
1965 | int (*verifyctx) (EVP_PKEY_CTX *ctx, | |
1966 | const unsigned char *sig, | |
1967 | int siglen, | |
1968 | EVP_MD_CTX *mctx)) | |
1969 | { | |
1970 | pmeth->verifyctx_init = verifyctx_init; | |
1971 | pmeth->verifyctx = verifyctx; | |
1972 | } | |
ba30bad5 DSH |
1973 | |
1974 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1975 | int (*encrypt_init) (EVP_PKEY_CTX *ctx), |
1976 | int (*encryptfn) (EVP_PKEY_CTX *ctx, | |
1977 | unsigned char *out, | |
1978 | size_t *outlen, | |
1979 | const unsigned char *in, | |
1980 | size_t inlen)) | |
1981 | { | |
1982 | pmeth->encrypt_init = encrypt_init; | |
1983 | pmeth->encrypt = encryptfn; | |
1984 | } | |
ba30bad5 DSH |
1985 | |
1986 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1987 | int (*decrypt_init) (EVP_PKEY_CTX *ctx), |
1988 | int (*decrypt) (EVP_PKEY_CTX *ctx, | |
1989 | unsigned char *out, | |
1990 | size_t *outlen, | |
1991 | const unsigned char *in, | |
1992 | size_t inlen)) | |
1993 | { | |
1994 | pmeth->decrypt_init = decrypt_init; | |
1995 | pmeth->decrypt = decrypt; | |
1996 | } | |
ba30bad5 DSH |
1997 | |
1998 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1999 | int (*derive_init) (EVP_PKEY_CTX *ctx), |
2000 | int (*derive) (EVP_PKEY_CTX *ctx, | |
2001 | unsigned char *key, | |
2002 | size_t *keylen)) | |
2003 | { | |
2004 | pmeth->derive_init = derive_init; | |
2005 | pmeth->derive = derive; | |
2006 | } | |
ba30bad5 DSH |
2007 | |
2008 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
2009 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
2010 | void *p2), | |
2011 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, | |
2012 | const char *type, | |
2013 | const char *value)) | |
2014 | { | |
2015 | pmeth->ctrl = ctrl; | |
2016 | pmeth->ctrl_str = ctrl_str; | |
2017 | } | |
e7451ed1 | 2018 | |
2555285f AH |
2019 | void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth, |
2020 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
2021 | const unsigned char *tbs, size_t tbslen)) | |
2022 | { | |
2023 | pmeth->digestsign = digestsign; | |
2024 | } | |
2025 | ||
2026 | void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth, | |
2027 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
2028 | size_t siglen, const unsigned char *tbs, | |
2029 | size_t tbslen)) | |
2030 | { | |
2031 | pmeth->digestverify = digestverify; | |
2032 | } | |
2033 | ||
2aee35d3 PY |
2034 | void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, |
2035 | int (*check) (EVP_PKEY *pkey)) | |
2036 | { | |
2037 | pmeth->check = check; | |
2038 | } | |
2039 | ||
b0004708 PY |
2040 | void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, |
2041 | int (*check) (EVP_PKEY *pkey)) | |
2042 | { | |
2043 | pmeth->public_check = check; | |
2044 | } | |
2045 | ||
2046 | void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, | |
2047 | int (*check) (EVP_PKEY *pkey)) | |
2048 | { | |
2049 | pmeth->param_check = check; | |
2050 | } | |
2051 | ||
0a8fdef7 PY |
2052 | void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth, |
2053 | int (*digest_custom) (EVP_PKEY_CTX *ctx, | |
2054 | EVP_MD_CTX *mctx)) | |
2055 | { | |
2056 | pmeth->digest_custom = digest_custom; | |
2057 | } | |
2058 | ||
693be9a2 | 2059 | void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2060 | int (**pinit) (EVP_PKEY_CTX *ctx)) |
2061 | { | |
2062 | *pinit = pmeth->init; | |
2063 | } | |
2064 | ||
693be9a2 | 2065 | void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 | 2066 | int (**pcopy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 2067 | const EVP_PKEY_CTX *src)) |
e7451ed1 DSH |
2068 | { |
2069 | *pcopy = pmeth->copy; | |
2070 | } | |
2071 | ||
693be9a2 | 2072 | void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2073 | void (**pcleanup) (EVP_PKEY_CTX *ctx)) |
2074 | { | |
2075 | *pcleanup = pmeth->cleanup; | |
2076 | } | |
2077 | ||
693be9a2 | 2078 | void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2079 | int (**pparamgen_init) (EVP_PKEY_CTX *ctx), |
2080 | int (**pparamgen) (EVP_PKEY_CTX *ctx, | |
2081 | EVP_PKEY *pkey)) | |
2082 | { | |
2083 | if (pparamgen_init) | |
2084 | *pparamgen_init = pmeth->paramgen_init; | |
2085 | if (pparamgen) | |
2086 | *pparamgen = pmeth->paramgen; | |
2087 | } | |
2088 | ||
693be9a2 | 2089 | void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2090 | int (**pkeygen_init) (EVP_PKEY_CTX *ctx), |
2091 | int (**pkeygen) (EVP_PKEY_CTX *ctx, | |
2092 | EVP_PKEY *pkey)) | |
2093 | { | |
2094 | if (pkeygen_init) | |
2095 | *pkeygen_init = pmeth->keygen_init; | |
2096 | if (pkeygen) | |
2097 | *pkeygen = pmeth->keygen; | |
2098 | } | |
2099 | ||
693be9a2 | 2100 | void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2101 | int (**psign_init) (EVP_PKEY_CTX *ctx), |
2102 | int (**psign) (EVP_PKEY_CTX *ctx, | |
2103 | unsigned char *sig, size_t *siglen, | |
2104 | const unsigned char *tbs, | |
2105 | size_t tbslen)) | |
2106 | { | |
2107 | if (psign_init) | |
2108 | *psign_init = pmeth->sign_init; | |
2109 | if (psign) | |
2110 | *psign = pmeth->sign; | |
2111 | } | |
2112 | ||
693be9a2 | 2113 | void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2114 | int (**pverify_init) (EVP_PKEY_CTX *ctx), |
2115 | int (**pverify) (EVP_PKEY_CTX *ctx, | |
2116 | const unsigned char *sig, | |
2117 | size_t siglen, | |
2118 | const unsigned char *tbs, | |
2119 | size_t tbslen)) | |
2120 | { | |
2121 | if (pverify_init) | |
2122 | *pverify_init = pmeth->verify_init; | |
2123 | if (pverify) | |
2124 | *pverify = pmeth->verify; | |
2125 | } | |
2126 | ||
693be9a2 | 2127 | void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2128 | int (**pverify_recover_init) (EVP_PKEY_CTX |
2129 | *ctx), | |
2130 | int (**pverify_recover) (EVP_PKEY_CTX | |
2131 | *ctx, | |
2132 | unsigned char | |
2133 | *sig, | |
2134 | size_t *siglen, | |
2135 | const unsigned | |
2136 | char *tbs, | |
2137 | size_t tbslen)) | |
2138 | { | |
2139 | if (pverify_recover_init) | |
2140 | *pverify_recover_init = pmeth->verify_recover_init; | |
2141 | if (pverify_recover) | |
2142 | *pverify_recover = pmeth->verify_recover; | |
2143 | } | |
2144 | ||
693be9a2 | 2145 | void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2146 | int (**psignctx_init) (EVP_PKEY_CTX *ctx, |
2147 | EVP_MD_CTX *mctx), | |
2148 | int (**psignctx) (EVP_PKEY_CTX *ctx, | |
2149 | unsigned char *sig, | |
2150 | size_t *siglen, | |
2151 | EVP_MD_CTX *mctx)) | |
2152 | { | |
2153 | if (psignctx_init) | |
2154 | *psignctx_init = pmeth->signctx_init; | |
2155 | if (psignctx) | |
2156 | *psignctx = pmeth->signctx; | |
2157 | } | |
2158 | ||
693be9a2 | 2159 | void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2160 | int (**pverifyctx_init) (EVP_PKEY_CTX *ctx, |
2161 | EVP_MD_CTX *mctx), | |
2162 | int (**pverifyctx) (EVP_PKEY_CTX *ctx, | |
2163 | const unsigned char *sig, | |
2164 | int siglen, | |
2165 | EVP_MD_CTX *mctx)) | |
2166 | { | |
2167 | if (pverifyctx_init) | |
2168 | *pverifyctx_init = pmeth->verifyctx_init; | |
2169 | if (pverifyctx) | |
2170 | *pverifyctx = pmeth->verifyctx; | |
2171 | } | |
2172 | ||
693be9a2 | 2173 | void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2174 | int (**pencrypt_init) (EVP_PKEY_CTX *ctx), |
2175 | int (**pencryptfn) (EVP_PKEY_CTX *ctx, | |
2176 | unsigned char *out, | |
2177 | size_t *outlen, | |
2178 | const unsigned char *in, | |
2179 | size_t inlen)) | |
2180 | { | |
2181 | if (pencrypt_init) | |
2182 | *pencrypt_init = pmeth->encrypt_init; | |
2183 | if (pencryptfn) | |
2184 | *pencryptfn = pmeth->encrypt; | |
2185 | } | |
2186 | ||
693be9a2 | 2187 | void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2188 | int (**pdecrypt_init) (EVP_PKEY_CTX *ctx), |
2189 | int (**pdecrypt) (EVP_PKEY_CTX *ctx, | |
2190 | unsigned char *out, | |
2191 | size_t *outlen, | |
2192 | const unsigned char *in, | |
2193 | size_t inlen)) | |
2194 | { | |
2195 | if (pdecrypt_init) | |
2196 | *pdecrypt_init = pmeth->decrypt_init; | |
2197 | if (pdecrypt) | |
2198 | *pdecrypt = pmeth->decrypt; | |
2199 | } | |
2200 | ||
693be9a2 | 2201 | void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2202 | int (**pderive_init) (EVP_PKEY_CTX *ctx), |
2203 | int (**pderive) (EVP_PKEY_CTX *ctx, | |
2204 | unsigned char *key, | |
2205 | size_t *keylen)) | |
2206 | { | |
2207 | if (pderive_init) | |
2208 | *pderive_init = pmeth->derive_init; | |
2209 | if (pderive) | |
2210 | *pderive = pmeth->derive; | |
2211 | } | |
2212 | ||
693be9a2 | 2213 | void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2214 | int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
2215 | void *p2), | |
2216 | int (**pctrl_str) (EVP_PKEY_CTX *ctx, | |
2217 | const char *type, | |
2218 | const char *value)) | |
2219 | { | |
2220 | if (pctrl) | |
2221 | *pctrl = pmeth->ctrl; | |
2222 | if (pctrl_str) | |
2223 | *pctrl_str = pmeth->ctrl_str; | |
2224 | } | |
2aee35d3 | 2225 | |
2555285f AH |
2226 | void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth, |
2227 | int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
2228 | const unsigned char *tbs, size_t tbslen)) | |
2229 | { | |
2230 | if (digestsign) | |
2231 | *digestsign = pmeth->digestsign; | |
2232 | } | |
2233 | ||
2234 | void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth, | |
2235 | int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
2236 | size_t siglen, const unsigned char *tbs, | |
2237 | size_t tbslen)) | |
2238 | { | |
2239 | if (digestverify) | |
2240 | *digestverify = pmeth->digestverify; | |
2241 | } | |
2242 | ||
693be9a2 | 2243 | void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth, |
2aee35d3 PY |
2244 | int (**pcheck) (EVP_PKEY *pkey)) |
2245 | { | |
34f5c8b1 | 2246 | if (pcheck != NULL) |
2aee35d3 PY |
2247 | *pcheck = pmeth->check; |
2248 | } | |
b0004708 | 2249 | |
693be9a2 | 2250 | void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
2251 | int (**pcheck) (EVP_PKEY *pkey)) |
2252 | { | |
34f5c8b1 | 2253 | if (pcheck != NULL) |
b0004708 PY |
2254 | *pcheck = pmeth->public_check; |
2255 | } | |
2256 | ||
693be9a2 | 2257 | void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
2258 | int (**pcheck) (EVP_PKEY *pkey)) |
2259 | { | |
34f5c8b1 | 2260 | if (pcheck != NULL) |
b0004708 PY |
2261 | *pcheck = pmeth->param_check; |
2262 | } | |
0a8fdef7 PY |
2263 | |
2264 | void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth, | |
2265 | int (**pdigest_custom) (EVP_PKEY_CTX *ctx, | |
2266 | EVP_MD_CTX *mctx)) | |
2267 | { | |
675f4cee | 2268 | if (pdigest_custom != NULL) |
0a8fdef7 PY |
2269 | *pdigest_custom = pmeth->digest_custom; |
2270 | } | |
e683582b | 2271 | |
f844f9eb | 2272 | #endif /* FIPS_MODULE */ |