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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[] = { |
e683582b | 52 | # ifndef OPENSSL_NO_RSA |
19bd1fa1 | 53 | rsa_pkey_method, |
e683582b SL |
54 | # endif |
55 | # ifndef OPENSSL_NO_DH | |
19bd1fa1 | 56 | dh_pkey_method, |
e683582b SL |
57 | # endif |
58 | # ifndef OPENSSL_NO_DSA | |
19bd1fa1 | 59 | dsa_pkey_method, |
e683582b SL |
60 | # endif |
61 | # ifndef OPENSSL_NO_EC | |
19bd1fa1 | 62 | ec_pkey_method, |
e683582b SL |
63 | # endif |
64 | # ifndef OPENSSL_NO_RSA | |
19bd1fa1 | 65 | rsa_pss_pkey_method, |
e683582b SL |
66 | # endif |
67 | # ifndef OPENSSL_NO_DH | |
19bd1fa1 | 68 | dhx_pkey_method, |
e683582b | 69 | # endif |
e683582b | 70 | # ifndef OPENSSL_NO_EC |
19bd1fa1 PS |
71 | ecx25519_pkey_method, |
72 | ecx448_pkey_method, | |
e683582b | 73 | # endif |
e683582b | 74 | # ifndef OPENSSL_NO_EC |
19bd1fa1 PS |
75 | ed25519_pkey_method, |
76 | ed448_pkey_method, | |
e683582b | 77 | # endif |
0f113f3e | 78 | }; |
0b6f3c66 | 79 | |
19bd1fa1 PS |
80 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); |
81 | ||
82 | static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b) | |
83 | { | |
84 | return ((*a)->pkey_id - ((**b)())->pkey_id); | |
85 | } | |
86 | ||
87 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); | |
babb3798 | 88 | |
0f113f3e MC |
89 | static int pmeth_cmp(const EVP_PKEY_METHOD *const *a, |
90 | const EVP_PKEY_METHOD *const *b) | |
91 | { | |
92 | return ((*a)->pkey_id - (*b)->pkey_id); | |
93 | } | |
0b6f3c66 | 94 | |
c9777d26 | 95 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) |
0f113f3e | 96 | { |
19bd1fa1 | 97 | pmeth_fn *ret; |
0f113f3e | 98 | EVP_PKEY_METHOD tmp; |
19bd1fa1 | 99 | const EVP_PKEY_METHOD *t = &tmp; |
12a765a5 | 100 | |
0f113f3e MC |
101 | tmp.pkey_id = type; |
102 | if (app_pkey_methods) { | |
103 | int idx; | |
104 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); | |
105 | if (idx >= 0) | |
106 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
107 | } | |
19bd1fa1 PS |
108 | ret = OBJ_bsearch_pmeth_func(&t, standard_methods, |
109 | sizeof(standard_methods) / | |
110 | sizeof(pmeth_fn)); | |
12a765a5 | 111 | if (ret == NULL || *ret == NULL) |
0f113f3e | 112 | return NULL; |
19bd1fa1 | 113 | return (**ret)(); |
0f113f3e | 114 | } |
0b6f3c66 | 115 | |
e683582b SL |
116 | EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags) |
117 | { | |
118 | EVP_PKEY_METHOD *pmeth; | |
119 | ||
120 | pmeth = OPENSSL_zalloc(sizeof(*pmeth)); | |
121 | if (pmeth == NULL) { | |
122 | EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE); | |
123 | return NULL; | |
124 | } | |
125 | ||
126 | pmeth->pkey_id = id; | |
127 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; | |
128 | return pmeth; | |
129 | } | |
50914496 | 130 | |
86df26b3 RL |
131 | /* Three possible states: */ |
132 | # define EVP_PKEY_STATE_UNKNOWN 0 | |
133 | # define EVP_PKEY_STATE_LEGACY 1 | |
134 | # define EVP_PKEY_STATE_PROVIDER 2 | |
135 | ||
136 | static int evp_pkey_ctx_state(EVP_PKEY_CTX *ctx) | |
137 | { | |
138 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
139 | return EVP_PKEY_STATE_UNKNOWN; | |
140 | ||
141 | if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) | |
142 | && ctx->op.kex.exchprovctx != NULL) | |
143 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
144 | && ctx->op.sig.sigprovctx != NULL) | |
145 | || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
146 | && ctx->op.ciph.ciphprovctx != NULL) | |
147 | || (EVP_PKEY_CTX_IS_GEN_OP(ctx) | |
80f4fd18 SL |
148 | && ctx->op.keymgmt.genctx != NULL) |
149 | || (EVP_PKEY_CTX_IS_KEM_OP(ctx) | |
150 | && ctx->op.encap.kemprovctx != NULL)) | |
86df26b3 RL |
151 | return EVP_PKEY_STATE_PROVIDER; |
152 | ||
153 | return EVP_PKEY_STATE_LEGACY; | |
154 | } | |
155 | ||
50914496 RL |
156 | static void help_get_legacy_alg_type_from_keymgmt(const char *keytype, |
157 | void *arg) | |
158 | { | |
159 | int *type = arg; | |
160 | ||
161 | if (*type == NID_undef) | |
162 | *type = evp_pkey_name2type(keytype); | |
163 | } | |
164 | ||
165 | static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt) | |
166 | { | |
167 | int type = NID_undef; | |
168 | ||
169 | EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt, | |
170 | &type); | |
171 | return type; | |
172 | } | |
f844f9eb | 173 | #endif /* FIPS_MODULE */ |
e683582b | 174 | |
3ee348b0 RL |
175 | static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx, |
176 | EVP_PKEY *pkey, ENGINE *e, | |
4b9e90f4 | 177 | const char *keytype, const char *propquery, |
a07c17ef | 178 | int id) |
e683582b | 179 | |
0f113f3e | 180 | { |
50914496 | 181 | EVP_PKEY_CTX *ret = NULL; |
d0ea49a8 | 182 | const EVP_PKEY_METHOD *pmeth = NULL; |
4b9e90f4 | 183 | EVP_KEYMGMT *keymgmt = NULL; |
d0ea49a8 RL |
184 | |
185 | /* | |
50914496 | 186 | * If the given |pkey| is provided, we extract the keytype from its |
5e5bc836 | 187 | * keymgmt and skip over the legacy code. |
982efd77 | 188 | */ |
5e5bc836 | 189 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
982efd77 RL |
190 | /* If we have an engine, something went wrong somewhere... */ |
191 | if (!ossl_assert(e == NULL)) | |
192 | return NULL; | |
4b9e90f4 | 193 | keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id); |
982efd77 RL |
194 | goto common; |
195 | } | |
50914496 | 196 | |
f844f9eb | 197 | #ifndef FIPS_MODULE |
50914496 RL |
198 | /* |
199 | * TODO(3.0) This legacy code section should be removed when we stop | |
200 | * supporting engines | |
201 | */ | |
d0ea49a8 | 202 | /* BEGIN legacy */ |
0f113f3e | 203 | if (id == -1) { |
50914496 RL |
204 | if (pkey != NULL) |
205 | id = pkey->type; | |
206 | else if (keytype != NULL) | |
207 | id = evp_pkey_name2type(keytype); | |
208 | if (id == NID_undef) | |
209 | id = -1; | |
0f113f3e | 210 | } |
50914496 RL |
211 | /* If no ID was found here, we can only resort to find a keymgmt */ |
212 | if (id == -1) | |
213 | goto common; | |
60653e5b RL |
214 | |
215 | /* | |
216 | * Here, we extract what information we can for the purpose of | |
217 | * supporting usage with implementations from providers, to make | |
218 | * for a smooth transition from legacy stuff to provider based stuff. | |
219 | * | |
220 | * If an engine is given, this is entirely legacy, and we should not | |
221 | * pretend anything else, so we only set the name when no engine is | |
222 | * given. If both are already given, someone made a mistake, and | |
223 | * since that can only happen internally, it's safe to make an | |
224 | * assertion. | |
225 | */ | |
4b9e90f4 | 226 | if (!ossl_assert(e == NULL || keytype == NULL)) |
60653e5b RL |
227 | return NULL; |
228 | if (e == NULL) | |
4b9e90f4 | 229 | keytype = OBJ_nid2sn(id); |
60653e5b | 230 | |
e683582b | 231 | # ifndef OPENSSL_NO_ENGINE |
c2976edf | 232 | if (e == NULL && pkey != NULL) |
d19b01ad | 233 | e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine; |
0f113f3e MC |
234 | /* Try to find an ENGINE which implements this method */ |
235 | if (e) { | |
236 | if (!ENGINE_init(e)) { | |
237 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB); | |
238 | return NULL; | |
239 | } | |
c2976edf | 240 | } else { |
0f113f3e | 241 | e = ENGINE_get_pkey_meth_engine(id); |
c2976edf | 242 | } |
0f113f3e MC |
243 | |
244 | /* | |
0d4fb843 | 245 | * If an ENGINE handled this method look it up. Otherwise use internal |
0f113f3e MC |
246 | * tables. |
247 | */ | |
50914496 | 248 | if (e != NULL) |
0f113f3e | 249 | pmeth = ENGINE_get_pkey_meth(e, id); |
50914496 | 250 | else |
e683582b | 251 | # endif |
0f113f3e | 252 | pmeth = EVP_PKEY_meth_find(id); |
c9777d26 | 253 | |
d0ea49a8 | 254 | /* END legacy */ |
f844f9eb | 255 | #endif /* FIPS_MODULE */ |
d0ea49a8 | 256 | common: |
4b9e90f4 RL |
257 | /* |
258 | * If there's no engine and there's a name, we try fetching a provider | |
259 | * implementation. | |
260 | */ | |
5fcb97c6 | 261 | if (e == NULL && keytype != NULL) { |
4b9e90f4 | 262 | keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery); |
d0b79f86 | 263 | if (keymgmt == NULL) |
50914496 RL |
264 | return NULL; /* EVP_KEYMGMT_fetch() recorded an error */ |
265 | ||
266 | #ifndef FIPS_MODULE | |
267 | /* | |
268 | * Chase down the legacy NID, as that might be needed for diverse | |
269 | * purposes, such as ensure that EVP_PKEY_type() can return sensible | |
270 | * values, or that there's a better chance to "downgrade" a key when | |
271 | * needed. We go through all keymgmt names, because the keytype | |
272 | * that's passed to this function doesn't necessarily translate | |
273 | * directly. | |
274 | * TODO: Remove this when #legacy keys are gone. | |
275 | */ | |
276 | if (keymgmt != NULL) { | |
277 | int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt); | |
278 | ||
279 | if (tmp_id != NID_undef) { | |
280 | if (id == -1) { | |
281 | id = tmp_id; | |
282 | } else { | |
283 | /* | |
284 | * It really really shouldn't differ. If it still does, | |
285 | * something is very wrong. | |
286 | */ | |
287 | if (!ossl_assert(id == tmp_id)) { | |
288 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_INTERNAL_ERROR); | |
289 | EVP_KEYMGMT_free(keymgmt); | |
290 | return NULL; | |
291 | } | |
292 | } | |
293 | } | |
b533510f | 294 | } |
50914496 RL |
295 | #endif |
296 | } | |
297 | ||
298 | if (pmeth == NULL && keymgmt == NULL) { | |
299 | EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM); | |
300 | } else { | |
301 | ret = OPENSSL_zalloc(sizeof(*ret)); | |
302 | if (ret == NULL) | |
303 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
5fcb97c6 | 304 | } |
4b9e90f4 | 305 | |
f844f9eb | 306 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
50914496 | 307 | if ((ret == NULL || pmeth == NULL) && e != NULL) |
7c96dbcd | 308 | ENGINE_finish(e); |
a63bf2c5 | 309 | #endif |
50914496 RL |
310 | |
311 | if (ret == NULL) { | |
312 | EVP_KEYMGMT_free(keymgmt); | |
0f113f3e MC |
313 | return NULL; |
314 | } | |
50914496 | 315 | |
3ee348b0 | 316 | ret->libctx = libctx; |
a07c17ef | 317 | ret->propquery = propquery; |
4b9e90f4 RL |
318 | ret->keytype = keytype; |
319 | ret->keymgmt = keymgmt; | |
50914496 | 320 | ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */ |
0f113f3e MC |
321 | ret->engine = e; |
322 | ret->pmeth = pmeth; | |
323 | ret->operation = EVP_PKEY_OP_UNDEFINED; | |
324 | ret->pkey = pkey; | |
a6465b3f | 325 | if (pkey != NULL) |
03273d61 | 326 | EVP_PKEY_up_ref(pkey); |
0f113f3e | 327 | |
8b84b075 | 328 | if (pmeth != NULL && pmeth->init != NULL) { |
0f113f3e | 329 | if (pmeth->init(ret) <= 0) { |
83b4049a | 330 | ret->pmeth = NULL; |
0f113f3e MC |
331 | EVP_PKEY_CTX_free(ret); |
332 | return NULL; | |
333 | } | |
334 | } | |
335 | ||
336 | return ret; | |
337 | } | |
338 | ||
f844f9eb | 339 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
340 | |
341 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx, | |
342 | const char *name, | |
343 | const char *propquery) | |
344 | { | |
345 | return int_ctx_new(libctx, NULL, NULL, name, propquery, -1); | |
346 | } | |
347 | ||
2ee4a50a MC |
348 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey, |
349 | const char *propquery) | |
e683582b | 350 | { |
2ee4a50a | 351 | return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1); |
e683582b SL |
352 | } |
353 | ||
864b89ce MC |
354 | void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx) |
355 | { | |
e683582b | 356 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
864b89ce MC |
357 | if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL) |
358 | ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx); | |
359 | EVP_SIGNATURE_free(ctx->op.sig.signature); | |
fb1ecf85 RL |
360 | ctx->op.sig.sigprovctx = NULL; |
361 | ctx->op.sig.signature = NULL; | |
62f49b90 | 362 | } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { |
e683582b SL |
363 | if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL) |
364 | ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx); | |
365 | EVP_KEYEXCH_free(ctx->op.kex.exchange); | |
366 | ctx->op.kex.exchprovctx = NULL; | |
367 | ctx->op.kex.exchange = NULL; | |
80f4fd18 SL |
368 | } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) { |
369 | if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL) | |
370 | ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx); | |
371 | EVP_KEM_free(ctx->op.encap.kem); | |
372 | ctx->op.encap.kemprovctx = NULL; | |
373 | ctx->op.encap.kem = NULL; | |
374 | } | |
375 | else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) { | |
2c938e2e MC |
376 | if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL) |
377 | ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx); | |
378 | EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher); | |
379 | ctx->op.ciph.ciphprovctx = NULL; | |
380 | ctx->op.ciph.cipher = NULL; | |
62924755 RL |
381 | } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) { |
382 | if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL) | |
383 | evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx); | |
864b89ce MC |
384 | } |
385 | } | |
386 | ||
e683582b | 387 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) |
0f113f3e | 388 | { |
e683582b SL |
389 | if (ctx == NULL) |
390 | return; | |
391 | if (ctx->pmeth && ctx->pmeth->cleanup) | |
392 | ctx->pmeth->cleanup(ctx); | |
b4faea50 | 393 | |
e683582b | 394 | evp_pkey_ctx_free_old_ops(ctx); |
86df26b3 RL |
395 | #ifndef FIPS_MODULE |
396 | evp_pkey_ctx_free_all_cached_data(ctx); | |
397 | #endif | |
e683582b | 398 | EVP_KEYMGMT_free(ctx->keymgmt); |
0f113f3e | 399 | |
e683582b SL |
400 | EVP_PKEY_free(ctx->pkey); |
401 | EVP_PKEY_free(ctx->peerkey); | |
f844f9eb | 402 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
e683582b SL |
403 | ENGINE_finish(ctx->engine); |
404 | #endif | |
3786d748 | 405 | BN_free(ctx->rsa_pubexp); |
e683582b | 406 | OPENSSL_free(ctx); |
0f113f3e | 407 | } |
ba30bad5 | 408 | |
f844f9eb | 409 | #ifndef FIPS_MODULE |
e683582b | 410 | |
f830c68f | 411 | void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, |
0f113f3e MC |
412 | const EVP_PKEY_METHOD *meth) |
413 | { | |
414 | if (ppkey_id) | |
415 | *ppkey_id = meth->pkey_id; | |
416 | if (pflags) | |
417 | *pflags = meth->flags; | |
418 | } | |
f830c68f DSH |
419 | |
420 | void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
0f113f3e | 421 | { |
4cbb196b AT |
422 | int pkey_id = dst->pkey_id; |
423 | int flags = dst->flags; | |
f830c68f | 424 | |
4cbb196b | 425 | *dst = *src; |
f830c68f | 426 | |
4cbb196b AT |
427 | /* We only copy the function pointers so restore the other values */ |
428 | dst->pkey_id = pkey_id; | |
429 | dst->flags = flags; | |
0f113f3e | 430 | } |
f830c68f | 431 | |
ba30bad5 | 432 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
433 | { |
434 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) | |
435 | OPENSSL_free(pmeth); | |
436 | } | |
ba30bad5 | 437 | |
f5cda4cb | 438 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) |
0f113f3e | 439 | { |
3ee348b0 | 440 | return int_ctx_new(NULL, pkey, e, NULL, NULL, -1); |
0f113f3e | 441 | } |
f5cda4cb DSH |
442 | |
443 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
0f113f3e | 444 | { |
3ee348b0 | 445 | return int_ctx_new(NULL, NULL, e, NULL, NULL, id); |
a07c17ef RL |
446 | } |
447 | ||
9fdcc21f | 448 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx) |
0f113f3e MC |
449 | { |
450 | EVP_PKEY_CTX *rctx; | |
ff64702b MC |
451 | |
452 | if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL)) | |
864b89ce MC |
453 | && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx) |
454 | && pctx->op.kex.exchprovctx == NULL) | |
455 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx) | |
456 | && pctx->op.sig.sigprovctx == NULL))) | |
0f113f3e | 457 | return NULL; |
e683582b | 458 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
459 | /* Make sure it's safe to copy a pkey context using an ENGINE */ |
460 | if (pctx->engine && !ENGINE_init(pctx->engine)) { | |
461 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB); | |
462 | return 0; | |
463 | } | |
e683582b | 464 | # endif |
ff64702b | 465 | rctx = OPENSSL_zalloc(sizeof(*rctx)); |
3484236d F |
466 | if (rctx == NULL) { |
467 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 468 | return NULL; |
3484236d | 469 | } |
8bdcef40 | 470 | |
ff64702b MC |
471 | if (pctx->pkey != NULL) |
472 | EVP_PKEY_up_ref(pctx->pkey); | |
473 | rctx->pkey = pctx->pkey; | |
474 | rctx->operation = pctx->operation; | |
3ee348b0 | 475 | rctx->libctx = pctx->libctx; |
f23bc0b7 | 476 | rctx->keytype = pctx->keytype; |
a07c17ef | 477 | rctx->propquery = pctx->propquery; |
ff64702b | 478 | |
864b89ce MC |
479 | if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) { |
480 | if (pctx->op.kex.exchange != NULL) { | |
481 | rctx->op.kex.exchange = pctx->op.kex.exchange; | |
482 | if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) { | |
483 | OPENSSL_free(rctx); | |
484 | return NULL; | |
485 | } | |
ff64702b | 486 | } |
864b89ce MC |
487 | if (pctx->op.kex.exchprovctx != NULL) { |
488 | if (!ossl_assert(pctx->op.kex.exchange != NULL)) | |
489 | return NULL; | |
490 | rctx->op.kex.exchprovctx | |
491 | = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx); | |
492 | if (rctx->op.kex.exchprovctx == NULL) { | |
493 | EVP_KEYEXCH_free(rctx->op.kex.exchange); | |
494 | OPENSSL_free(rctx); | |
495 | return NULL; | |
496 | } | |
497 | return rctx; | |
498 | } | |
499 | } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) { | |
500 | if (pctx->op.sig.signature != NULL) { | |
501 | rctx->op.sig.signature = pctx->op.sig.signature; | |
502 | if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) { | |
503 | OPENSSL_free(rctx); | |
504 | return NULL; | |
505 | } | |
506 | } | |
507 | if (pctx->op.sig.sigprovctx != NULL) { | |
508 | if (!ossl_assert(pctx->op.sig.signature != NULL)) | |
509 | return NULL; | |
510 | rctx->op.sig.sigprovctx | |
511 | = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx); | |
512 | if (rctx->op.sig.sigprovctx == NULL) { | |
513 | EVP_SIGNATURE_free(rctx->op.sig.signature); | |
514 | OPENSSL_free(rctx); | |
515 | return NULL; | |
516 | } | |
517 | return rctx; | |
ff64702b | 518 | } |
2c938e2e MC |
519 | } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) { |
520 | if (pctx->op.ciph.cipher != NULL) { | |
521 | rctx->op.ciph.cipher = pctx->op.ciph.cipher; | |
522 | if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) { | |
523 | OPENSSL_free(rctx); | |
524 | return NULL; | |
525 | } | |
526 | } | |
527 | if (pctx->op.ciph.ciphprovctx != NULL) { | |
528 | if (!ossl_assert(pctx->op.ciph.cipher != NULL)) | |
529 | return NULL; | |
530 | rctx->op.ciph.ciphprovctx | |
531 | = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx); | |
532 | if (rctx->op.ciph.ciphprovctx == NULL) { | |
533 | EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher); | |
534 | OPENSSL_free(rctx); | |
535 | return NULL; | |
536 | } | |
537 | return rctx; | |
538 | } | |
80f4fd18 SL |
539 | } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) { |
540 | if (pctx->op.encap.kem != NULL) { | |
541 | rctx->op.encap.kem = pctx->op.encap.kem; | |
542 | if (!EVP_KEM_up_ref(rctx->op.encap.kem)) { | |
543 | OPENSSL_free(rctx); | |
544 | return NULL; | |
545 | } | |
546 | } | |
547 | if (pctx->op.encap.kemprovctx != NULL) { | |
548 | if (!ossl_assert(pctx->op.encap.kem != NULL)) | |
549 | return NULL; | |
550 | rctx->op.encap.kemprovctx | |
551 | = pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx); | |
552 | if (rctx->op.encap.kemprovctx == NULL) { | |
553 | EVP_KEM_free(rctx->op.encap.kem); | |
554 | OPENSSL_free(rctx); | |
555 | return NULL; | |
556 | } | |
557 | return rctx; | |
558 | } | |
ff64702b MC |
559 | } |
560 | ||
0f113f3e | 561 | rctx->pmeth = pctx->pmeth; |
e683582b | 562 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e | 563 | rctx->engine = pctx->engine; |
e683582b | 564 | # endif |
8bdcef40 | 565 | |
0f113f3e | 566 | if (pctx->peerkey) |
03273d61 | 567 | EVP_PKEY_up_ref(pctx->peerkey); |
0f113f3e | 568 | rctx->peerkey = pctx->peerkey; |
8bdcef40 | 569 | |
0f113f3e MC |
570 | if (pctx->pmeth->copy(rctx, pctx) > 0) |
571 | return rctx; | |
8bdcef40 | 572 | |
83b4049a | 573 | rctx->pmeth = NULL; |
0f113f3e MC |
574 | EVP_PKEY_CTX_free(rctx); |
575 | return NULL; | |
8bdcef40 | 576 | |
0f113f3e | 577 | } |
8bdcef40 | 578 | |
ba30bad5 | 579 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
580 | { |
581 | if (app_pkey_methods == NULL) { | |
582 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); | |
3484236d F |
583 | if (app_pkey_methods == NULL){ |
584 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 585 | return 0; |
3484236d | 586 | } |
0f113f3e | 587 | } |
3484236d F |
588 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) { |
589 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 590 | return 0; |
3484236d | 591 | } |
0f113f3e MC |
592 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); |
593 | return 1; | |
594 | } | |
ba30bad5 | 595 | |
0822e89a PY |
596 | void evp_app_cleanup_int(void) |
597 | { | |
598 | if (app_pkey_methods != NULL) | |
599 | sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free); | |
600 | } | |
601 | ||
602 | int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth) | |
603 | { | |
604 | const EVP_PKEY_METHOD *ret; | |
605 | ||
606 | ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth); | |
607 | ||
608 | return ret == NULL ? 0 : 1; | |
609 | } | |
610 | ||
48ed9c23 DSH |
611 | size_t EVP_PKEY_meth_get_count(void) |
612 | { | |
613 | size_t rv = OSSL_NELEM(standard_methods); | |
614 | ||
615 | if (app_pkey_methods) | |
616 | rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods); | |
617 | return rv; | |
618 | } | |
619 | ||
620 | const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx) | |
621 | { | |
622 | if (idx < OSSL_NELEM(standard_methods)) | |
19bd1fa1 | 623 | return (standard_methods[idx])(); |
48ed9c23 DSH |
624 | if (app_pkey_methods == NULL) |
625 | return NULL; | |
626 | idx -= OSSL_NELEM(standard_methods); | |
627 | if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods)) | |
628 | return NULL; | |
629 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
630 | } | |
e683582b | 631 | #endif |
48ed9c23 | 632 | |
e683582b | 633 | int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
0f113f3e | 634 | { |
e683582b SL |
635 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
636 | && ctx->op.kex.exchprovctx != NULL | |
637 | && ctx->op.kex.exchange != NULL | |
638 | && ctx->op.kex.exchange->set_ctx_params != NULL) | |
639 | return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx, | |
640 | params); | |
641 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
642 | && ctx->op.sig.sigprovctx != NULL | |
643 | && ctx->op.sig.signature != NULL | |
644 | && ctx->op.sig.signature->set_ctx_params != NULL) | |
645 | return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx, | |
646 | params); | |
647 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
648 | && ctx->op.ciph.ciphprovctx != NULL | |
649 | && ctx->op.ciph.cipher != NULL | |
650 | && ctx->op.ciph.cipher->set_ctx_params != NULL) | |
651 | return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx, | |
652 | params); | |
62924755 RL |
653 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
654 | && ctx->op.keymgmt.genctx != NULL | |
655 | && ctx->keymgmt != NULL | |
656 | && ctx->keymgmt->gen_set_params != NULL) | |
657 | return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx, | |
658 | params); | |
80f4fd18 SL |
659 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
660 | && ctx->op.encap.kemprovctx != NULL | |
661 | && ctx->op.encap.kem != NULL | |
662 | && ctx->op.encap.kem->set_ctx_params != NULL) | |
663 | return ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx, | |
664 | params); | |
e683582b | 665 | return 0; |
0f113f3e | 666 | } |
5da98aa6 | 667 | |
9c45222d MC |
668 | int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
669 | { | |
4fe54d67 NT |
670 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
671 | && ctx->op.kex.exchprovctx != NULL | |
672 | && ctx->op.kex.exchange != NULL | |
673 | && ctx->op.kex.exchange->get_ctx_params != NULL) | |
674 | return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx, | |
675 | params); | |
864b89ce MC |
676 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
677 | && ctx->op.sig.sigprovctx != NULL | |
678 | && ctx->op.sig.signature != NULL | |
679 | && ctx->op.sig.signature->get_ctx_params != NULL) | |
680 | return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx, | |
681 | params); | |
2c938e2e MC |
682 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
683 | && ctx->op.ciph.ciphprovctx != NULL | |
684 | && ctx->op.ciph.cipher != NULL | |
685 | && ctx->op.ciph.cipher->get_ctx_params != NULL) | |
686 | return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx, | |
687 | params); | |
80f4fd18 SL |
688 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
689 | && ctx->op.encap.kemprovctx != NULL | |
690 | && ctx->op.encap.kem != NULL | |
691 | && ctx->op.encap.kem->get_ctx_params != NULL) | |
692 | return ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx, | |
693 | params); | |
9c45222d MC |
694 | return 0; |
695 | } | |
696 | ||
11a1b341 | 697 | #ifndef FIPS_MODULE |
9c45222d MC |
698 | const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx) |
699 | { | |
18ec26ba P |
700 | void *provctx; |
701 | ||
4fe54d67 NT |
702 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
703 | && ctx->op.kex.exchange != NULL | |
18ec26ba P |
704 | && ctx->op.kex.exchange->gettable_ctx_params != NULL) { |
705 | provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange)); | |
706 | return ctx->op.kex.exchange->gettable_ctx_params(provctx); | |
707 | } | |
864b89ce MC |
708 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
709 | && ctx->op.sig.signature != NULL | |
18ec26ba P |
710 | && ctx->op.sig.signature->gettable_ctx_params != NULL) { |
711 | provctx = ossl_provider_ctx( | |
712 | EVP_SIGNATURE_provider(ctx->op.sig.signature)); | |
713 | return ctx->op.sig.signature->gettable_ctx_params(provctx); | |
714 | } | |
2c938e2e MC |
715 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
716 | && ctx->op.ciph.cipher != NULL | |
18ec26ba P |
717 | && ctx->op.ciph.cipher->gettable_ctx_params != NULL) { |
718 | provctx = ossl_provider_ctx( | |
719 | EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher)); | |
720 | return ctx->op.ciph.cipher->gettable_ctx_params(provctx); | |
721 | } | |
80f4fd18 SL |
722 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
723 | && ctx->op.encap.kem != NULL | |
724 | && ctx->op.encap.kem->gettable_ctx_params != NULL) { | |
725 | provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem)); | |
726 | return ctx->op.encap.kem->gettable_ctx_params(provctx); | |
727 | } | |
9c45222d MC |
728 | return NULL; |
729 | } | |
730 | ||
9c45222d MC |
731 | const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx) |
732 | { | |
18ec26ba P |
733 | void *provctx; |
734 | ||
864b89ce MC |
735 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
736 | && ctx->op.kex.exchange != NULL | |
18ec26ba P |
737 | && ctx->op.kex.exchange->settable_ctx_params != NULL) { |
738 | provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange)); | |
739 | return ctx->op.kex.exchange->settable_ctx_params(provctx); | |
740 | } | |
864b89ce MC |
741 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
742 | && ctx->op.sig.signature != NULL | |
18ec26ba P |
743 | && ctx->op.sig.signature->settable_ctx_params != NULL) { |
744 | provctx = ossl_provider_ctx( | |
745 | EVP_SIGNATURE_provider(ctx->op.sig.signature)); | |
746 | return ctx->op.sig.signature->settable_ctx_params(provctx); | |
747 | } | |
2c938e2e MC |
748 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
749 | && ctx->op.ciph.cipher != NULL | |
18ec26ba P |
750 | && ctx->op.ciph.cipher->settable_ctx_params != NULL) { |
751 | provctx = ossl_provider_ctx( | |
752 | EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher)); | |
753 | return ctx->op.ciph.cipher->settable_ctx_params(provctx); | |
754 | } | |
62924755 | 755 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
5e77b79a | 756 | && ctx->keymgmt != NULL) |
e3efe7a5 | 757 | return EVP_KEYMGMT_gen_settable_params(ctx->keymgmt); |
80f4fd18 SL |
758 | if (EVP_PKEY_CTX_IS_KEM_OP(ctx) |
759 | && ctx->op.encap.kem != NULL | |
760 | && ctx->op.encap.kem->settable_ctx_params != NULL) { | |
761 | provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem)); | |
762 | return ctx->op.encap.kem->settable_ctx_params(provctx); | |
763 | } | |
9c45222d MC |
764 | return NULL; |
765 | } | |
766 | ||
4fe54d67 NT |
767 | /* |
768 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
769 | * | |
770 | * Return 1 on success, 0 or negative for errors. | |
771 | * | |
772 | * In particular they return -2 if any of the params is not supported. | |
773 | * | |
f844f9eb | 774 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
775 | * - EVP_PKEY_CTX_{get,set}_params() |
776 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
777 | * | |
778 | */ | |
779 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
780 | { | |
781 | const OSSL_PARAM *p; | |
782 | ||
783 | if (ctx == NULL || params == NULL) | |
784 | return 0; | |
785 | ||
786 | for (p = params; p->key != NULL; p++) { | |
787 | /* Check the ctx actually understands this parameter */ | |
788 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx), | |
789 | p->key) == NULL ) | |
790 | return -2; | |
791 | } | |
792 | ||
793 | return EVP_PKEY_CTX_set_params(ctx, params); | |
794 | } | |
795 | ||
796 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
797 | { | |
798 | const OSSL_PARAM *p; | |
799 | ||
800 | if (ctx == NULL || params == NULL) | |
801 | return 0; | |
802 | ||
803 | for (p = params; p->key != NULL; p++ ) { | |
804 | /* Check the ctx actually understands this parameter */ | |
805 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx), | |
806 | p->key) == NULL ) | |
807 | return -2; | |
808 | } | |
809 | ||
810 | return EVP_PKEY_CTX_get_params(ctx, params); | |
811 | } | |
812 | ||
e683582b | 813 | # ifndef OPENSSL_NO_DH |
35aca9ec MC |
814 | int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad) |
815 | { | |
816 | OSSL_PARAM dh_pad_params[2]; | |
1c3ace68 | 817 | unsigned int upad = pad; |
35aca9ec | 818 | |
864b89ce MC |
819 | /* We use EVP_PKEY_CTX_ctrl return values */ |
820 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
821 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
822 | return -2; | |
823 | } | |
824 | ||
35aca9ec | 825 | /* TODO(3.0): Remove this eventually when no more legacy */ |
864b89ce | 826 | if (ctx->op.kex.exchprovctx == NULL) |
35aca9ec MC |
827 | return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE, |
828 | EVP_PKEY_CTRL_DH_PAD, pad, NULL); | |
829 | ||
1c3ace68 | 830 | dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad); |
35aca9ec MC |
831 | dh_pad_params[1] = OSSL_PARAM_construct_end(); |
832 | ||
833 | return EVP_PKEY_CTX_set_params(ctx, dh_pad_params); | |
834 | } | |
e683582b | 835 | # endif |
35aca9ec | 836 | |
9c45222d MC |
837 | int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md) |
838 | { | |
ac2d58c7 | 839 | OSSL_PARAM sig_md_params[2], *p = sig_md_params; |
9c45222d MC |
840 | /* 80 should be big enough */ |
841 | char name[80] = ""; | |
842 | const EVP_MD *tmp; | |
843 | ||
864b89ce | 844 | if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
9c45222d MC |
845 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
846 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
847 | return -2; | |
848 | } | |
849 | ||
850 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
864b89ce | 851 | if (ctx->op.sig.sigprovctx == NULL) |
9c45222d MC |
852 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, |
853 | EVP_PKEY_CTRL_GET_MD, 0, (void *)(md)); | |
854 | ||
855 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, | |
856 | name, | |
857 | sizeof(name)); | |
ac2d58c7 | 858 | *p = OSSL_PARAM_construct_end(); |
9c45222d MC |
859 | |
860 | if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params)) | |
861 | return 0; | |
862 | ||
7606bed9 | 863 | tmp = evp_get_digestbyname_ex(ctx->libctx, name); |
9c45222d MC |
864 | if (tmp == NULL) |
865 | return 0; | |
866 | ||
867 | *md = tmp; | |
868 | ||
869 | return 1; | |
870 | } | |
871 | ||
05d2f72e MC |
872 | static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md, |
873 | int fallback, const char *param, int op, | |
874 | int ctrl) | |
4889dadc | 875 | { |
05d2f72e | 876 | OSSL_PARAM md_params[2], *p = md_params; |
4889dadc MC |
877 | const char *name; |
878 | ||
05d2f72e | 879 | if (ctx == NULL || (ctx->operation & op) == 0) { |
9c45222d MC |
880 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
881 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
882 | return -2; | |
883 | } | |
884 | ||
4889dadc | 885 | /* TODO(3.0): Remove this eventually when no more legacy */ |
05d2f72e MC |
886 | if (fallback) |
887 | return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md)); | |
4889dadc | 888 | |
9c45222d MC |
889 | if (md == NULL) { |
890 | name = ""; | |
9c45222d | 891 | } else { |
9c45222d MC |
892 | name = EVP_MD_name(md); |
893 | } | |
4889dadc | 894 | |
05d2f72e | 895 | *p++ = OSSL_PARAM_construct_utf8_string(param, |
9c45222d MC |
896 | /* |
897 | * Cast away the const. This is read | |
898 | * only so should be safe | |
899 | */ | |
8b6ffd40 | 900 | (char *)name, 0); |
ac2d58c7 | 901 | *p = OSSL_PARAM_construct_end(); |
4889dadc | 902 | |
05d2f72e MC |
903 | return EVP_PKEY_CTX_set_params(ctx, md_params); |
904 | } | |
905 | ||
906 | int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) | |
907 | { | |
908 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL, | |
909 | OSSL_SIGNATURE_PARAM_DIGEST, | |
910 | EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD); | |
4889dadc MC |
911 | } |
912 | ||
ac2d58c7 MC |
913 | int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
914 | { | |
05d2f72e MC |
915 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL, |
916 | OSSL_KDF_PARAM_DIGEST, | |
917 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD); | |
918 | } | |
919 | ||
920 | static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback, | |
921 | const char *param, int op, int ctrl, | |
922 | const unsigned char *data, | |
923 | int datalen) | |
924 | { | |
925 | OSSL_PARAM octet_string_params[2], *p = octet_string_params; | |
ac2d58c7 | 926 | |
5d51925a | 927 | if (ctx == NULL || (ctx->operation & op) == 0) { |
ac2d58c7 MC |
928 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
929 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
930 | return -2; | |
931 | } | |
932 | ||
933 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
05d2f72e MC |
934 | if (fallback) |
935 | return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data)); | |
ac2d58c7 | 936 | |
05d2f72e MC |
937 | if (datalen < 0) { |
938 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH); | |
939 | return 0; | |
ac2d58c7 MC |
940 | } |
941 | ||
05d2f72e | 942 | *p++ = OSSL_PARAM_construct_octet_string(param, |
ac2d58c7 MC |
943 | /* |
944 | * Cast away the const. This is read | |
945 | * only so should be safe | |
946 | */ | |
05d2f72e MC |
947 | (unsigned char *)data, |
948 | (size_t)datalen); | |
194de849 | 949 | *p = OSSL_PARAM_construct_end(); |
ac2d58c7 | 950 | |
05d2f72e | 951 | return EVP_PKEY_CTX_set_params(ctx, octet_string_params); |
ac2d58c7 MC |
952 | } |
953 | ||
954 | int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx, | |
955 | const unsigned char *sec, int seclen) | |
956 | { | |
05d2f72e MC |
957 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, |
958 | OSSL_KDF_PARAM_SECRET, | |
959 | EVP_PKEY_OP_DERIVE, | |
960 | EVP_PKEY_CTRL_TLS_SECRET, | |
961 | sec, seclen); | |
962 | } | |
ac2d58c7 | 963 | |
05d2f72e MC |
964 | int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx, |
965 | const unsigned char *seed, int seedlen) | |
966 | { | |
967 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
968 | OSSL_KDF_PARAM_SEED, | |
969 | EVP_PKEY_OP_DERIVE, | |
970 | EVP_PKEY_CTRL_TLS_SEED, | |
971 | seed, seedlen); | |
972 | } | |
ac2d58c7 | 973 | |
05d2f72e MC |
974 | int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
975 | { | |
976 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL, | |
977 | OSSL_KDF_PARAM_DIGEST, | |
978 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD); | |
979 | } | |
ac2d58c7 | 980 | |
05d2f72e MC |
981 | int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx, |
982 | const unsigned char *salt, int saltlen) | |
983 | { | |
984 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
985 | OSSL_KDF_PARAM_SALT, | |
986 | EVP_PKEY_OP_DERIVE, | |
987 | EVP_PKEY_CTRL_HKDF_SALT, | |
988 | salt, saltlen); | |
989 | } | |
ac2d58c7 | 990 | |
05d2f72e MC |
991 | int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx, |
992 | const unsigned char *key, int keylen) | |
993 | { | |
994 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
995 | OSSL_KDF_PARAM_KEY, | |
996 | EVP_PKEY_OP_DERIVE, | |
997 | EVP_PKEY_CTRL_HKDF_KEY, | |
998 | key, keylen); | |
999 | } | |
ac2d58c7 | 1000 | |
05d2f72e MC |
1001 | int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx, |
1002 | const unsigned char *info, int infolen) | |
1003 | { | |
1004 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
1005 | OSSL_KDF_PARAM_INFO, | |
1006 | EVP_PKEY_OP_DERIVE, | |
1007 | EVP_PKEY_CTRL_HKDF_INFO, | |
1008 | info, infolen); | |
ac2d58c7 MC |
1009 | } |
1010 | ||
05d2f72e | 1011 | int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode) |
ac2d58c7 | 1012 | { |
05d2f72e | 1013 | OSSL_PARAM int_params[2], *p = int_params; |
ac2d58c7 MC |
1014 | |
1015 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
1016 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1017 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1018 | return -2; | |
1019 | } | |
1020 | ||
1021 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
1022 | if (ctx->op.kex.exchprovctx == NULL) | |
1023 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE, | |
05d2f72e MC |
1024 | EVP_PKEY_CTRL_HKDF_MODE, mode, NULL); |
1025 | ||
ac2d58c7 | 1026 | |
05d2f72e MC |
1027 | if (mode < 0) { |
1028 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE); | |
ac2d58c7 MC |
1029 | return 0; |
1030 | } | |
1031 | ||
05d2f72e | 1032 | *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode); |
194de849 | 1033 | *p = OSSL_PARAM_construct_end(); |
ac2d58c7 | 1034 | |
05d2f72e | 1035 | return EVP_PKEY_CTX_set_params(ctx, int_params); |
ac2d58c7 MC |
1036 | } |
1037 | ||
194de849 MC |
1038 | int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass, |
1039 | int passlen) | |
1040 | { | |
1041 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
1042 | OSSL_KDF_PARAM_PASSWORD, | |
1043 | EVP_PKEY_OP_DERIVE, | |
1044 | EVP_PKEY_CTRL_PASS, | |
1045 | (const unsigned char *)pass, passlen); | |
1046 | } | |
1047 | ||
1048 | int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx, | |
1049 | const unsigned char *salt, int saltlen) | |
1050 | { | |
1051 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
1052 | OSSL_KDF_PARAM_SALT, | |
1053 | EVP_PKEY_OP_DERIVE, | |
1054 | EVP_PKEY_CTRL_SCRYPT_SALT, | |
1055 | salt, saltlen); | |
1056 | } | |
1057 | ||
1058 | static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param, | |
1059 | int op, int ctrl, uint64_t val) | |
1060 | { | |
1061 | OSSL_PARAM uint64_params[2], *p = uint64_params; | |
1062 | ||
1063 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
1064 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1065 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1066 | return -2; | |
1067 | } | |
1068 | ||
1069 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
1070 | if (ctx->op.kex.exchprovctx == NULL) | |
1071 | return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val); | |
1072 | ||
1073 | *p++ = OSSL_PARAM_construct_uint64(param, &val); | |
1074 | *p = OSSL_PARAM_construct_end(); | |
1075 | ||
1076 | return EVP_PKEY_CTX_set_params(ctx, uint64_params); | |
1077 | } | |
1078 | ||
1079 | int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n) | |
1080 | { | |
1081 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N, | |
1082 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N, | |
1083 | n); | |
1084 | } | |
1085 | ||
1086 | int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r) | |
1087 | { | |
1088 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R, | |
1089 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R, | |
1090 | r); | |
1091 | } | |
1092 | ||
1093 | int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p) | |
1094 | { | |
1095 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P, | |
1096 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P, | |
1097 | p); | |
1098 | } | |
1099 | ||
1100 | int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx, | |
1101 | uint64_t maxmem_bytes) | |
1102 | { | |
1103 | return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM, | |
1104 | EVP_PKEY_OP_DERIVE, | |
1105 | EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, | |
1106 | maxmem_bytes); | |
1107 | } | |
1108 | ||
5d51925a MC |
1109 | int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key, |
1110 | int keylen) | |
1111 | { | |
1112 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL, | |
1113 | OSSL_PKEY_PARAM_PRIV_KEY, | |
1114 | EVP_PKEY_OP_KEYGEN, | |
1115 | EVP_PKEY_CTRL_SET_MAC_KEY, | |
1116 | key, keylen); | |
1117 | } | |
1118 | ||
80f4fd18 SL |
1119 | int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op) |
1120 | { | |
1121 | OSSL_PARAM params[2], *p = params; | |
1122 | ||
1123 | if (ctx == NULL || op == NULL) { | |
1124 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE); | |
1125 | return 0; | |
1126 | } | |
1127 | if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) { | |
1128 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1129 | return -2; | |
1130 | } | |
1131 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION, | |
1132 | (char *)op, 0); | |
1133 | *p = OSSL_PARAM_construct_end(); | |
1134 | return EVP_PKEY_CTX_set_params(ctx, params); | |
1135 | } | |
1136 | ||
8d6481f5 RL |
1137 | int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len) |
1138 | { | |
1139 | OSSL_PARAM params[2], *p = params; | |
1140 | int ret; | |
1141 | ||
1142 | if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { | |
1143 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1144 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1145 | return -2; | |
1146 | } | |
1147 | ||
1148 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID, | |
1149 | /* | |
1150 | * Cast away the const. This is | |
1151 | * read only so should be safe | |
1152 | */ | |
1153 | (void *)id, (size_t)len); | |
1154 | *p++ = OSSL_PARAM_construct_end(); | |
1155 | ||
1156 | ret = evp_pkey_ctx_set_params_strict(ctx, params); | |
1157 | if (ret == -2) | |
1158 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1159 | return ret; | |
1160 | } | |
1161 | ||
1162 | int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len) | |
1163 | { | |
1164 | return EVP_PKEY_CTX_ctrl(ctx, -1, -1, | |
1165 | EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id)); | |
1166 | } | |
1167 | ||
1168 | static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len) | |
1169 | { | |
1170 | int ret; | |
1171 | void *tmp_id = NULL; | |
1172 | OSSL_PARAM params[2], *p = params; | |
1173 | ||
1174 | if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { | |
1175 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1176 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1177 | return -2; | |
1178 | } | |
1179 | ||
1180 | *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID, | |
1181 | &tmp_id, 0); | |
1182 | *p++ = OSSL_PARAM_construct_end(); | |
1183 | ||
1184 | ret = evp_pkey_ctx_get_params_strict(ctx, params); | |
1185 | if (ret == -2) { | |
1186 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1187 | } else if (ret > 0) { | |
1188 | size_t tmp_id_len = params[0].return_size; | |
1189 | ||
1190 | if (id != NULL) | |
1191 | memcpy(id, tmp_id, tmp_id_len); | |
1192 | if (id_len != NULL) | |
1193 | *id_len = tmp_id_len; | |
1194 | } | |
1195 | return ret; | |
1196 | } | |
1197 | ||
1198 | int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id) | |
1199 | { | |
1200 | return get1_id_data(ctx, id, NULL); | |
1201 | } | |
1202 | ||
1203 | int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len) | |
1204 | { | |
1205 | return get1_id_data(ctx, NULL, id_len); | |
1206 | } | |
1207 | ||
1208 | int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id) | |
1209 | { | |
1210 | return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id); | |
1211 | } | |
1212 | ||
1213 | int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len) | |
1214 | { | |
1215 | return EVP_PKEY_CTX_ctrl(ctx, -1, -1, | |
1216 | EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len); | |
1217 | } | |
1218 | ||
35aca9ec MC |
1219 | static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype, |
1220 | int cmd, int p1, void *p2) | |
1221 | { | |
86df26b3 RL |
1222 | switch (cmd) { |
1223 | case EVP_PKEY_CTRL_SET1_ID: | |
1224 | return evp_pkey_ctx_set1_id_prov(ctx, p2, p1); | |
1225 | case EVP_PKEY_CTRL_GET1_ID: | |
1226 | return evp_pkey_ctx_get1_id_prov(ctx, p2); | |
1227 | case EVP_PKEY_CTRL_GET1_ID_LEN: | |
1228 | return evp_pkey_ctx_get1_id_len_prov(ctx, p2); | |
1229 | } | |
1230 | ||
e683582b | 1231 | # ifndef OPENSSL_NO_DH |
116d2510 SL |
1232 | if (keytype == EVP_PKEY_DHX) { |
1233 | switch (cmd) { | |
1234 | case EVP_PKEY_CTRL_DH_KDF_TYPE: | |
1235 | return EVP_PKEY_CTX_set_dh_kdf_type(ctx, p1); | |
1236 | case EVP_PKEY_CTRL_DH_KDF_MD: | |
1237 | return EVP_PKEY_CTX_set_dh_kdf_md(ctx, p2); | |
1238 | case EVP_PKEY_CTRL_DH_KDF_OUTLEN: | |
1239 | return EVP_PKEY_CTX_set_dh_kdf_outlen(ctx, p1); | |
1240 | case EVP_PKEY_CTRL_DH_KDF_UKM: | |
1241 | return EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx, p2, p1); | |
1242 | case EVP_PKEY_CTRL_DH_KDF_OID: | |
1243 | return EVP_PKEY_CTX_set0_dh_kdf_oid(ctx, p2); | |
1244 | case EVP_PKEY_CTRL_GET_DH_KDF_MD: | |
1245 | return EVP_PKEY_CTX_get_dh_kdf_md(ctx, p2); | |
1246 | case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN: | |
1247 | return EVP_PKEY_CTX_get_dh_kdf_outlen(ctx, p2); | |
1248 | case EVP_PKEY_CTRL_GET_DH_KDF_UKM: | |
1249 | return EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx, p2); | |
1250 | case EVP_PKEY_CTRL_GET_DH_KDF_OID: | |
1251 | return EVP_PKEY_CTX_get0_dh_kdf_oid(ctx, p2); | |
1252 | } | |
1253 | } | |
4fe54d67 NT |
1254 | if (keytype == EVP_PKEY_DH) { |
1255 | switch (cmd) { | |
1256 | case EVP_PKEY_CTRL_DH_PAD: | |
1257 | return EVP_PKEY_CTX_set_dh_pad(ctx, p1); | |
7165593c SL |
1258 | case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN: |
1259 | return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1); | |
1260 | case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN: | |
1261 | return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1); | |
1262 | case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR: | |
1263 | return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1); | |
1264 | case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE: | |
1265 | return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1); | |
1266 | case EVP_PKEY_CTRL_DH_RFC5114: | |
1267 | return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1); | |
4fe54d67 NT |
1268 | } |
1269 | } | |
1270 | # endif | |
b03ec3b5 SL |
1271 | # ifndef OPENSSL_NO_DSA |
1272 | if (keytype == EVP_PKEY_DSA) { | |
1273 | switch (cmd) { | |
1274 | case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: | |
1275 | return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1); | |
1276 | case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: | |
1277 | return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1); | |
1278 | case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: | |
1279 | return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2); | |
1280 | } | |
1281 | } | |
1282 | # endif | |
4fe54d67 NT |
1283 | # ifndef OPENSSL_NO_EC |
1284 | if (keytype == EVP_PKEY_EC) { | |
1285 | switch (cmd) { | |
7229a2f4 RL |
1286 | case EVP_PKEY_CTRL_EC_PARAM_ENC: |
1287 | return evp_pkey_ctx_set_ec_param_enc_prov(ctx, p1); | |
10d756a7 RL |
1288 | case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID: |
1289 | return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1); | |
6f4b7663 RL |
1290 | case EVP_PKEY_CTRL_EC_ECDH_COFACTOR: |
1291 | if (p1 == -2) { | |
1292 | return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx); | |
1293 | } else if (p1 < -1 || p1 > 1) { | |
1294 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1295 | return -2; | |
1296 | } else { | |
1297 | return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1); | |
1298 | } | |
1299 | case EVP_PKEY_CTRL_EC_KDF_TYPE: | |
1300 | if (p1 == -2) { | |
1301 | return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx); | |
1302 | } else { | |
1303 | return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1); | |
1304 | } | |
1305 | case EVP_PKEY_CTRL_GET_EC_KDF_MD: | |
1306 | return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2); | |
1307 | case EVP_PKEY_CTRL_EC_KDF_MD: | |
1308 | return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2); | |
1309 | case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN: | |
1310 | return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2); | |
1311 | case EVP_PKEY_CTRL_EC_KDF_OUTLEN: | |
1312 | return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1); | |
1313 | case EVP_PKEY_CTRL_GET_EC_KDF_UKM: | |
1314 | return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2); | |
1315 | case EVP_PKEY_CTRL_EC_KDF_UKM: | |
1316 | return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1); | |
4fe54d67 NT |
1317 | } |
1318 | } | |
e683582b | 1319 | # endif |
2decdad3 RL |
1320 | if (keytype == EVP_PKEY_RSA) { |
1321 | switch (cmd) { | |
1322 | case EVP_PKEY_CTRL_RSA_OAEP_MD: | |
1323 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
1324 | case EVP_PKEY_CTRL_GET_RSA_OAEP_MD: | |
1325 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
1326 | case EVP_PKEY_CTRL_RSA_MGF1_MD: | |
1327 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
1328 | case EVP_PKEY_CTRL_RSA_OAEP_LABEL: | |
1329 | return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1); | |
1330 | case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL: | |
1331 | return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2); | |
1332 | case EVP_PKEY_CTRL_RSA_KEYGEN_BITS: | |
1333 | return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1); | |
1334 | case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP: | |
1335 | return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2); | |
1336 | case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES: | |
1337 | return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1); | |
1338 | } | |
1339 | } | |
1340 | /* | |
1341 | * keytype == -1 is used when several key types share the same structure, | |
1342 | * or for generic controls that are the same across multiple key types. | |
1343 | */ | |
4fe54d67 | 1344 | if (keytype == -1) { |
ac2d58c7 MC |
1345 | if (optype == EVP_PKEY_OP_DERIVE) { |
1346 | switch (cmd) { | |
05d2f72e | 1347 | /* TLS1-PRF */ |
ac2d58c7 MC |
1348 | case EVP_PKEY_CTRL_TLS_MD: |
1349 | return EVP_PKEY_CTX_set_tls1_prf_md(ctx, p2); | |
1350 | case EVP_PKEY_CTRL_TLS_SECRET: | |
1351 | return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx, p2, p1); | |
1352 | case EVP_PKEY_CTRL_TLS_SEED: | |
1353 | return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx, p2, p1); | |
05d2f72e MC |
1354 | |
1355 | /* HKDF */ | |
1356 | case EVP_PKEY_CTRL_HKDF_MD: | |
1357 | return EVP_PKEY_CTX_set_hkdf_md(ctx, p2); | |
1358 | case EVP_PKEY_CTRL_HKDF_SALT : | |
1359 | return EVP_PKEY_CTX_set1_hkdf_salt(ctx, p2, p1); | |
1360 | case EVP_PKEY_CTRL_HKDF_KEY: | |
1361 | return EVP_PKEY_CTX_set1_hkdf_key(ctx, p2, p1); | |
1362 | case EVP_PKEY_CTRL_HKDF_INFO: | |
1363 | return EVP_PKEY_CTX_add1_hkdf_info(ctx, p2, p1); | |
1364 | case EVP_PKEY_CTRL_HKDF_MODE: | |
1365 | return EVP_PKEY_CTX_hkdf_mode(ctx, p1); | |
194de849 MC |
1366 | |
1367 | /* Scrypt */ | |
1368 | case EVP_PKEY_CTRL_PASS: | |
1369 | return EVP_PKEY_CTX_set1_pbe_pass(ctx, p2, p1); | |
1370 | case EVP_PKEY_CTRL_SCRYPT_SALT: | |
1371 | return EVP_PKEY_CTX_set1_scrypt_salt(ctx, p2, p1); | |
1372 | case EVP_PKEY_CTRL_SCRYPT_N: | |
1373 | return EVP_PKEY_CTX_set_scrypt_N(ctx, p1); | |
1374 | case EVP_PKEY_CTRL_SCRYPT_R: | |
1375 | return EVP_PKEY_CTX_set_scrypt_r(ctx, p1); | |
1376 | case EVP_PKEY_CTRL_SCRYPT_P: | |
1377 | return EVP_PKEY_CTX_set_scrypt_p(ctx, p1); | |
1378 | case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES: | |
1379 | return EVP_PKEY_CTX_set_scrypt_maxmem_bytes(ctx, p1); | |
ac2d58c7 | 1380 | } |
a540ef90 MC |
1381 | } else if (optype == EVP_PKEY_OP_KEYGEN) { |
1382 | OSSL_PARAM params[2], *p = params; | |
1383 | ||
1384 | switch (cmd) { | |
1385 | case EVP_PKEY_CTRL_CIPHER: | |
1386 | { | |
1387 | char *ciphname = (char *)EVP_CIPHER_name(p2); | |
1388 | ||
1389 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER, | |
1390 | ciphname, 0); | |
1391 | *p = OSSL_PARAM_construct_end(); | |
1392 | ||
1393 | return EVP_PKEY_CTX_set_params(ctx, params); | |
1394 | } | |
1395 | case EVP_PKEY_CTRL_SET_MAC_KEY: | |
1396 | { | |
1397 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, | |
1398 | p2, p1); | |
1399 | *p = OSSL_PARAM_construct_end(); | |
1400 | ||
1401 | return EVP_PKEY_CTX_set_params(ctx, params); | |
1402 | } | |
1403 | } | |
ac2d58c7 | 1404 | } |
4fe54d67 | 1405 | switch (cmd) { |
6f4b7663 RL |
1406 | case EVP_PKEY_CTRL_MD: |
1407 | return EVP_PKEY_CTX_set_signature_md(ctx, p2); | |
1408 | case EVP_PKEY_CTRL_GET_MD: | |
1409 | return EVP_PKEY_CTX_get_signature_md(ctx, p2); | |
1410 | case EVP_PKEY_CTRL_RSA_PADDING: | |
1411 | return EVP_PKEY_CTX_set_rsa_padding(ctx, p1); | |
1412 | case EVP_PKEY_CTRL_GET_RSA_PADDING: | |
1413 | return EVP_PKEY_CTX_get_rsa_padding(ctx, p2); | |
6f4b7663 RL |
1414 | case EVP_PKEY_CTRL_GET_RSA_MGF1_MD: |
1415 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
6f4b7663 RL |
1416 | case EVP_PKEY_CTRL_RSA_PSS_SALTLEN: |
1417 | return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1); | |
1418 | case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN: | |
1419 | return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2); | |
1420 | case EVP_PKEY_CTRL_PKCS7_ENCRYPT: | |
1421 | case EVP_PKEY_CTRL_PKCS7_DECRYPT: | |
e683582b | 1422 | # ifndef OPENSSL_NO_CMS |
6f4b7663 RL |
1423 | case EVP_PKEY_CTRL_CMS_DECRYPT: |
1424 | case EVP_PKEY_CTRL_CMS_ENCRYPT: | |
e683582b | 1425 | # endif |
cc572c25 RL |
1426 | /* TODO (3.0) Temporary hack, this should probe */ |
1427 | if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS")) | |
6f4b7663 RL |
1428 | return 1; |
1429 | ERR_raise(ERR_LIB_EVP, | |
1430 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
1431 | return -2; | |
4fe54d67 | 1432 | } |
35aca9ec | 1433 | } |
a540ef90 MC |
1434 | |
1435 | /* | |
1436 | * GOST CMS format is different for different cipher algorithms. | |
1437 | * Most of other algorithms don't have such a difference | |
1438 | * so this ctrl is just ignored. | |
1439 | */ | |
1440 | if (cmd == EVP_PKEY_CTRL_CIPHER) | |
1441 | return -2; | |
1442 | ||
35aca9ec MC |
1443 | return 0; |
1444 | } | |
1445 | ||
86df26b3 RL |
1446 | static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype, |
1447 | int cmd, int p1, void *p2) | |
0f113f3e | 1448 | { |
86df26b3 | 1449 | int ret = 0; |
4803717f | 1450 | |
86df26b3 RL |
1451 | /* |
1452 | * If the method has a |digest_custom| function, we can relax the | |
1453 | * operation type check, since this can be called before the operation | |
1454 | * is initialized. | |
1455 | */ | |
1456 | if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) { | |
1457 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) { | |
1458 | EVPerr(0, EVP_R_NO_OPERATION_SET); | |
1459 | return -1; | |
1460 | } | |
35aca9ec | 1461 | |
86df26b3 RL |
1462 | if ((optype != -1) && !(ctx->operation & optype)) { |
1463 | EVPerr(0, EVP_R_INVALID_OPERATION); | |
1464 | return -1; | |
1465 | } | |
0f113f3e | 1466 | } |
0f113f3e | 1467 | |
86df26b3 RL |
1468 | switch (evp_pkey_ctx_state(ctx)) { |
1469 | case EVP_PKEY_STATE_PROVIDER: | |
1470 | return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2); | |
1471 | case EVP_PKEY_STATE_UNKNOWN: | |
1472 | case EVP_PKEY_STATE_LEGACY: | |
1473 | if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) { | |
1474 | EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED); | |
1475 | return -2; | |
1476 | } | |
1477 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) | |
1478 | return -1; | |
4803717f | 1479 | |
86df26b3 | 1480 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); |
0f113f3e | 1481 | |
86df26b3 RL |
1482 | if (ret == -2) |
1483 | EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED); | |
1484 | break; | |
0f113f3e | 1485 | } |
86df26b3 RL |
1486 | return ret; |
1487 | } | |
0f113f3e | 1488 | |
86df26b3 RL |
1489 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, |
1490 | int cmd, int p1, void *p2) | |
1491 | { | |
1492 | int ret = 0; | |
1493 | ||
d65ab22e SL |
1494 | if (ctx == NULL) { |
1495 | EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED); | |
1496 | return -2; | |
1497 | } | |
86df26b3 RL |
1498 | /* If unsupported, we don't want that reported here */ |
1499 | ERR_set_mark(); | |
1500 | ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype, | |
1501 | cmd, NULL, p2, p1); | |
1502 | if (ret == -2) { | |
1503 | ERR_pop_to_mark(); | |
1504 | } else { | |
1505 | ERR_clear_last_mark(); | |
1506 | /* | |
1507 | * If there was an error, there was an error. | |
1508 | * If the operation isn't initialized yet, we also return, as | |
1509 | * the saved values will be used then anyway. | |
1510 | */ | |
1511 | if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
1512 | return ret; | |
1513 | } | |
86df26b3 | 1514 | return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2); |
0f113f3e | 1515 | } |
0b6f3c66 | 1516 | |
cefa762e | 1517 | int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype, |
64bf1016 | 1518 | int cmd, uint64_t value) |
cefa762e JB |
1519 | { |
1520 | return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value); | |
1521 | } | |
1522 | ||
35aca9ec MC |
1523 | static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name, |
1524 | const char *value) | |
1525 | { | |
ac2d58c7 MC |
1526 | if (strcmp(name, "md") == 0) |
1527 | name = OSSL_ALG_PARAM_DIGEST; | |
1528 | else if (strcmp(name, "rsa_padding_mode") == 0) | |
972fa318 RL |
1529 | name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE; |
1530 | else if (strcmp(name, "rsa_mgf1_md") == 0) | |
1531 | name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST; | |
1532 | else if (strcmp(name, "rsa_oaep_md") == 0) | |
1533 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST; | |
1534 | else if (strcmp(name, "rsa_oaep_label") == 0) | |
1535 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL; | |
6f4b7663 RL |
1536 | else if (strcmp(name, "rsa_pss_saltlen") == 0) |
1537 | name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN; | |
2972af10 RL |
1538 | else if (strcmp(name, "rsa_keygen_bits") == 0) |
1539 | name = OSSL_PKEY_PARAM_RSA_BITS; | |
1540 | else if (strcmp(name, "rsa_keygen_pubexp") == 0) | |
1541 | name = OSSL_PKEY_PARAM_RSA_E; | |
1542 | else if (strcmp(name, "rsa_keygen_primes") == 0) | |
1543 | name = OSSL_PKEY_PARAM_RSA_PRIMES; | |
e25761b1 RL |
1544 | else if (strcmp(name, "rsa_pss_keygen_md") == 0) |
1545 | name = OSSL_PKEY_PARAM_RSA_DIGEST; | |
1546 | else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0) | |
1547 | name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST; | |
1548 | else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0) | |
1549 | name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN; | |
b03ec3b5 SL |
1550 | # ifndef OPENSSL_NO_DSA |
1551 | else if (strcmp(name, "dsa_paramgen_bits") == 0) | |
1552 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1553 | else if (strcmp(name, "dsa_paramgen_q_bits") == 0) | |
1554 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1555 | else if (strcmp(name, "dsa_paramgen_md") == 0) | |
1556 | name = OSSL_PKEY_PARAM_FFC_DIGEST; | |
1557 | # endif | |
e683582b | 1558 | # ifndef OPENSSL_NO_DH |
7165593c | 1559 | else if (strcmp(name, "dh_paramgen_generator") == 0) |
b8086652 | 1560 | name = OSSL_PKEY_PARAM_DH_GENERATOR; |
7165593c SL |
1561 | else if (strcmp(name, "dh_paramgen_prime_len") == 0) |
1562 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1563 | else if (strcmp(name, "dh_paramgen_subprime_len") == 0) | |
1564 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1565 | else if (strcmp(name, "dh_paramgen_type") == 0) { | |
1566 | name = OSSL_PKEY_PARAM_FFC_TYPE; | |
1567 | value = dh_gen_type_id2name(atoi(value)); | |
1568 | } else if (strcmp(name, "dh_param") == 0) | |
023b188c | 1569 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
7165593c | 1570 | else if (strcmp(name, "dh_rfc5114") == 0) { |
023b188c | 1571 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
5357c106 | 1572 | value = ossl_ffc_named_group_from_uid(atoi(value)); |
7165593c | 1573 | } else if (strcmp(name, "dh_pad") == 0) |
972fa318 | 1574 | name = OSSL_EXCHANGE_PARAM_PAD; |
e683582b | 1575 | # endif |
4fe54d67 | 1576 | # ifndef OPENSSL_NO_EC |
10d756a7 | 1577 | else if (strcmp(name, "ec_paramgen_curve") == 0) |
11a1b341 | 1578 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
4fe54d67 NT |
1579 | else if (strcmp(name, "ecdh_cofactor_mode") == 0) |
1580 | name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE; | |
1581 | else if (strcmp(name, "ecdh_kdf_md") == 0) | |
f552d900 | 1582 | name = OSSL_EXCHANGE_PARAM_KDF_DIGEST; |
c0f39ded SL |
1583 | else if (strcmp(name, "ec_param_enc") == 0) |
1584 | name = OSSL_PKEY_PARAM_EC_ENCODING; | |
4fe54d67 | 1585 | # endif |
194de849 MC |
1586 | else if (strcmp(name, "N") == 0) |
1587 | name = OSSL_KDF_PARAM_SCRYPT_N; | |
89abd1b6 | 1588 | |
972fa318 RL |
1589 | { |
1590 | /* | |
1591 | * TODO(3.0) reduce the code above to only translate known legacy | |
1592 | * string to the corresponding core name (see core_names.h), but | |
1593 | * otherwise leave it to this code block to do the actual work. | |
1594 | */ | |
1595 | const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx); | |
1596 | OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END }; | |
1597 | int rv = 0; | |
292c8bdc | 1598 | int exists = 0; |
89abd1b6 | 1599 | |
972fa318 | 1600 | if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value, |
292c8bdc P |
1601 | strlen(value), &exists)) { |
1602 | if (!exists) { | |
e25761b1 RL |
1603 | ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED, |
1604 | "name=%s,value=%s", name, value); | |
292c8bdc P |
1605 | return -2; |
1606 | } | |
89abd1b6 | 1607 | return 0; |
292c8bdc | 1608 | } |
972fa318 RL |
1609 | if (EVP_PKEY_CTX_set_params(ctx, params)) |
1610 | rv = 1; | |
1611 | OPENSSL_free(params[0].data); | |
1612 | return rv; | |
89abd1b6 | 1613 | } |
35aca9ec MC |
1614 | } |
1615 | ||
86df26b3 RL |
1616 | static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx, |
1617 | const char *name, const char *value) | |
0f113f3e | 1618 | { |
86df26b3 RL |
1619 | int ret = 0; |
1620 | ||
35aca9ec | 1621 | if (ctx == NULL) { |
86df26b3 | 1622 | EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED); |
35aca9ec MC |
1623 | return -2; |
1624 | } | |
1625 | ||
86df26b3 RL |
1626 | switch (evp_pkey_ctx_state(ctx)) { |
1627 | case EVP_PKEY_STATE_PROVIDER: | |
35aca9ec | 1628 | return legacy_ctrl_str_to_param(ctx, name, value); |
86df26b3 RL |
1629 | case EVP_PKEY_STATE_UNKNOWN: |
1630 | case EVP_PKEY_STATE_LEGACY: | |
1631 | if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) { | |
1632 | EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED); | |
1633 | return -2; | |
1634 | } | |
1635 | if (strcmp(name, "digest") == 0) | |
b9689452 RL |
1636 | ret = EVP_PKEY_CTX_md(ctx, |
1637 | EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, | |
86df26b3 RL |
1638 | EVP_PKEY_CTRL_MD, value); |
1639 | else | |
1640 | ret = ctx->pmeth->ctrl_str(ctx, name, value); | |
1641 | break; | |
1642 | } | |
35aca9ec | 1643 | |
86df26b3 RL |
1644 | return ret; |
1645 | } | |
1646 | ||
1647 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, | |
1648 | const char *name, const char *value) | |
1649 | { | |
1650 | int ret = 0; | |
1651 | ||
1652 | /* If unsupported, we don't want that reported here */ | |
1653 | ERR_set_mark(); | |
1654 | ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1, | |
1655 | name, value, strlen(value) + 1); | |
1656 | if (ret == -2) { | |
1657 | ERR_pop_to_mark(); | |
1658 | } else { | |
1659 | ERR_clear_last_mark(); | |
1660 | /* | |
1661 | * If there was an error, there was an error. | |
1662 | * If the operation isn't initialized yet, we also return, as | |
1663 | * the saved values will be used then anyway. | |
1664 | */ | |
1665 | if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
1666 | return ret; | |
1667 | } | |
1668 | ||
1669 | return evp_pkey_ctx_ctrl_str_int(ctx, name, value); | |
1670 | } | |
1671 | ||
1672 | static int decode_cmd(int cmd, const char *name) | |
1673 | { | |
1674 | if (cmd == -1) { | |
1675 | /* | |
1676 | * The consequence of the assertion not being true is that this | |
1677 | * function will return -1, which will cause the calling functions | |
1678 | * to signal that the command is unsupported... in non-debug mode. | |
1679 | */ | |
1680 | if (ossl_assert(name != NULL)) | |
1681 | if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0) | |
1682 | cmd = EVP_PKEY_CTRL_SET1_ID; | |
1683 | } | |
1684 | ||
1685 | return cmd; | |
1686 | } | |
1687 | ||
1688 | static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx, | |
1689 | int keytype, int optype, | |
1690 | int cmd, const char *name, | |
1691 | const void *data, size_t data_len) | |
1692 | { | |
1693 | if ((keytype != -1 && ctx->pmeth->pkey_id != keytype) | |
1694 | || ((optype != -1) && !(ctx->operation & optype))) { | |
1695 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION); | |
1696 | return -1; | |
0f113f3e | 1697 | } |
86df26b3 RL |
1698 | |
1699 | cmd = decode_cmd(cmd, name); | |
1700 | switch (cmd) { | |
1701 | case EVP_PKEY_CTRL_SET1_ID: | |
1702 | evp_pkey_ctx_free_cached_data(ctx, cmd, name); | |
1703 | if (name != NULL) { | |
1704 | ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name); | |
1705 | if (ctx->cached_parameters.dist_id_name == NULL) { | |
1706 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1707 | return 0; | |
1708 | } | |
1709 | } | |
1710 | if (data_len > 0) { | |
1711 | ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len); | |
1712 | if (ctx->cached_parameters.dist_id == NULL) { | |
1713 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1714 | return 0; | |
1715 | } | |
1716 | } | |
1717 | ctx->cached_parameters.dist_id_set = 1; | |
1718 | ctx->cached_parameters.dist_id_len = data_len; | |
1719 | return 1; | |
1720 | } | |
1721 | ||
1722 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1723 | return -2; | |
1724 | } | |
1725 | ||
1726 | static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx, | |
1727 | int cmd, const char *name) | |
1728 | { | |
1729 | cmd = decode_cmd(cmd, name); | |
1730 | switch (cmd) { | |
1731 | case EVP_PKEY_CTRL_SET1_ID: | |
1732 | OPENSSL_free(ctx->cached_parameters.dist_id); | |
1733 | OPENSSL_free(ctx->cached_parameters.dist_id_name); | |
1734 | ctx->cached_parameters.dist_id = NULL; | |
1735 | ctx->cached_parameters.dist_id_name = NULL; | |
1736 | break; | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx) | |
1741 | { | |
1742 | evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL); | |
1743 | } | |
1744 | ||
1745 | int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx) | |
1746 | { | |
1747 | int ret = 1; | |
1748 | ||
1749 | if (ret && ctx->cached_parameters.dist_id_set) { | |
1750 | const char *name = ctx->cached_parameters.dist_id_name; | |
1751 | const void *val = ctx->cached_parameters.dist_id; | |
1752 | size_t len = ctx->cached_parameters.dist_id_len; | |
1753 | ||
1754 | if (name != NULL) | |
1755 | ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val); | |
1756 | else | |
1757 | ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation, | |
1758 | EVP_PKEY_CTRL_SET1_ID, | |
1759 | (int)len, (void *)val); | |
1760 | } | |
1761 | ||
1762 | return ret; | |
0f113f3e | 1763 | } |
f5cda4cb | 1764 | |
99119000 DSH |
1765 | /* Utility functions to send a string of hex string to a ctrl */ |
1766 | ||
1767 | int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str) | |
1768 | { | |
1769 | size_t len; | |
1770 | ||
1771 | len = strlen(str); | |
1772 | if (len > INT_MAX) | |
1773 | return -1; | |
1774 | return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str); | |
1775 | } | |
1776 | ||
1777 | int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex) | |
1778 | { | |
1779 | unsigned char *bin; | |
1780 | long binlen; | |
1781 | int rv = -1; | |
1782 | ||
14f051a0 | 1783 | bin = OPENSSL_hexstr2buf(hex, &binlen); |
99119000 DSH |
1784 | if (bin == NULL) |
1785 | return 0; | |
1786 | if (binlen <= INT_MAX) | |
1787 | rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin); | |
1788 | OPENSSL_free(bin); | |
1789 | return rv; | |
1790 | } | |
52ad523c | 1791 | |
410877ba DSH |
1792 | /* Pass a message digest to a ctrl */ |
1793 | int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md) | |
1794 | { | |
1795 | const EVP_MD *m; | |
c82bafc5 | 1796 | |
410877ba DSH |
1797 | if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) { |
1798 | EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST); | |
1799 | return 0; | |
1800 | } | |
1801 | return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m); | |
1802 | } | |
99119000 | 1803 | |
b28dea4e | 1804 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1805 | { |
1806 | return ctx->operation; | |
1807 | } | |
b28dea4e DSH |
1808 | |
1809 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
0f113f3e MC |
1810 | { |
1811 | ctx->keygen_info = dat; | |
1812 | ctx->keygen_info_count = datlen; | |
1813 | } | |
b28dea4e | 1814 | |
f5cda4cb | 1815 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1816 | { |
1817 | ctx->data = data; | |
1818 | } | |
f5cda4cb | 1819 | |
9fdcc21f | 1820 | void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1821 | { |
1822 | return ctx->data; | |
1823 | } | |
f5cda4cb | 1824 | |
81cebb8b | 1825 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1826 | { |
1827 | return ctx->pkey; | |
1828 | } | |
81cebb8b | 1829 | |
0e1dba93 | 1830 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1831 | { |
1832 | return ctx->peerkey; | |
1833 | } | |
1834 | ||
f5cda4cb | 1835 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1836 | { |
1837 | ctx->app_data = data; | |
1838 | } | |
f5cda4cb DSH |
1839 | |
1840 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
0f113f3e MC |
1841 | { |
1842 | return ctx->app_data; | |
1843 | } | |
ba30bad5 DSH |
1844 | |
1845 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1846 | int (*init) (EVP_PKEY_CTX *ctx)) |
1847 | { | |
1848 | pmeth->init = init; | |
1849 | } | |
8bdcef40 DSH |
1850 | |
1851 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
0f113f3e | 1852 | int (*copy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 1853 | const EVP_PKEY_CTX *src)) |
0f113f3e MC |
1854 | { |
1855 | pmeth->copy = copy; | |
1856 | } | |
ba30bad5 DSH |
1857 | |
1858 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1859 | void (*cleanup) (EVP_PKEY_CTX *ctx)) |
1860 | { | |
1861 | pmeth->cleanup = cleanup; | |
1862 | } | |
ba30bad5 DSH |
1863 | |
1864 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1865 | int (*paramgen_init) (EVP_PKEY_CTX *ctx), |
1866 | int (*paramgen) (EVP_PKEY_CTX *ctx, | |
1867 | EVP_PKEY *pkey)) | |
1868 | { | |
1869 | pmeth->paramgen_init = paramgen_init; | |
1870 | pmeth->paramgen = paramgen; | |
1871 | } | |
ba30bad5 DSH |
1872 | |
1873 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1874 | int (*keygen_init) (EVP_PKEY_CTX *ctx), |
1875 | int (*keygen) (EVP_PKEY_CTX *ctx, | |
1876 | EVP_PKEY *pkey)) | |
1877 | { | |
1878 | pmeth->keygen_init = keygen_init; | |
1879 | pmeth->keygen = keygen; | |
1880 | } | |
ba30bad5 DSH |
1881 | |
1882 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1883 | int (*sign_init) (EVP_PKEY_CTX *ctx), |
1884 | int (*sign) (EVP_PKEY_CTX *ctx, | |
1885 | unsigned char *sig, size_t *siglen, | |
1886 | const unsigned char *tbs, | |
1887 | size_t tbslen)) | |
1888 | { | |
1889 | pmeth->sign_init = sign_init; | |
1890 | pmeth->sign = sign; | |
1891 | } | |
ba30bad5 DSH |
1892 | |
1893 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1894 | int (*verify_init) (EVP_PKEY_CTX *ctx), |
1895 | int (*verify) (EVP_PKEY_CTX *ctx, | |
1896 | const unsigned char *sig, | |
1897 | size_t siglen, | |
1898 | const unsigned char *tbs, | |
1899 | size_t tbslen)) | |
1900 | { | |
1901 | pmeth->verify_init = verify_init; | |
1902 | pmeth->verify = verify; | |
1903 | } | |
ba30bad5 DSH |
1904 | |
1905 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1906 | int (*verify_recover_init) (EVP_PKEY_CTX |
1907 | *ctx), | |
1908 | int (*verify_recover) (EVP_PKEY_CTX | |
1909 | *ctx, | |
1910 | unsigned char | |
1911 | *sig, | |
1912 | size_t *siglen, | |
1913 | const unsigned | |
1914 | char *tbs, | |
1915 | size_t tbslen)) | |
1916 | { | |
1917 | pmeth->verify_recover_init = verify_recover_init; | |
1918 | pmeth->verify_recover = verify_recover; | |
1919 | } | |
ba30bad5 DSH |
1920 | |
1921 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1922 | int (*signctx_init) (EVP_PKEY_CTX *ctx, |
1923 | EVP_MD_CTX *mctx), | |
1924 | int (*signctx) (EVP_PKEY_CTX *ctx, | |
1925 | unsigned char *sig, | |
1926 | size_t *siglen, | |
1927 | EVP_MD_CTX *mctx)) | |
1928 | { | |
1929 | pmeth->signctx_init = signctx_init; | |
1930 | pmeth->signctx = signctx; | |
1931 | } | |
ba30bad5 DSH |
1932 | |
1933 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1934 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, |
1935 | EVP_MD_CTX *mctx), | |
1936 | int (*verifyctx) (EVP_PKEY_CTX *ctx, | |
1937 | const unsigned char *sig, | |
1938 | int siglen, | |
1939 | EVP_MD_CTX *mctx)) | |
1940 | { | |
1941 | pmeth->verifyctx_init = verifyctx_init; | |
1942 | pmeth->verifyctx = verifyctx; | |
1943 | } | |
ba30bad5 DSH |
1944 | |
1945 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1946 | int (*encrypt_init) (EVP_PKEY_CTX *ctx), |
1947 | int (*encryptfn) (EVP_PKEY_CTX *ctx, | |
1948 | unsigned char *out, | |
1949 | size_t *outlen, | |
1950 | const unsigned char *in, | |
1951 | size_t inlen)) | |
1952 | { | |
1953 | pmeth->encrypt_init = encrypt_init; | |
1954 | pmeth->encrypt = encryptfn; | |
1955 | } | |
ba30bad5 DSH |
1956 | |
1957 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1958 | int (*decrypt_init) (EVP_PKEY_CTX *ctx), |
1959 | int (*decrypt) (EVP_PKEY_CTX *ctx, | |
1960 | unsigned char *out, | |
1961 | size_t *outlen, | |
1962 | const unsigned char *in, | |
1963 | size_t inlen)) | |
1964 | { | |
1965 | pmeth->decrypt_init = decrypt_init; | |
1966 | pmeth->decrypt = decrypt; | |
1967 | } | |
ba30bad5 DSH |
1968 | |
1969 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1970 | int (*derive_init) (EVP_PKEY_CTX *ctx), |
1971 | int (*derive) (EVP_PKEY_CTX *ctx, | |
1972 | unsigned char *key, | |
1973 | size_t *keylen)) | |
1974 | { | |
1975 | pmeth->derive_init = derive_init; | |
1976 | pmeth->derive = derive; | |
1977 | } | |
ba30bad5 DSH |
1978 | |
1979 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1980 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
1981 | void *p2), | |
1982 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, | |
1983 | const char *type, | |
1984 | const char *value)) | |
1985 | { | |
1986 | pmeth->ctrl = ctrl; | |
1987 | pmeth->ctrl_str = ctrl_str; | |
1988 | } | |
e7451ed1 | 1989 | |
2555285f AH |
1990 | void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth, |
1991 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
1992 | const unsigned char *tbs, size_t tbslen)) | |
1993 | { | |
1994 | pmeth->digestsign = digestsign; | |
1995 | } | |
1996 | ||
1997 | void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth, | |
1998 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
1999 | size_t siglen, const unsigned char *tbs, | |
2000 | size_t tbslen)) | |
2001 | { | |
2002 | pmeth->digestverify = digestverify; | |
2003 | } | |
2004 | ||
2aee35d3 PY |
2005 | void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, |
2006 | int (*check) (EVP_PKEY *pkey)) | |
2007 | { | |
2008 | pmeth->check = check; | |
2009 | } | |
2010 | ||
b0004708 PY |
2011 | void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, |
2012 | int (*check) (EVP_PKEY *pkey)) | |
2013 | { | |
2014 | pmeth->public_check = check; | |
2015 | } | |
2016 | ||
2017 | void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, | |
2018 | int (*check) (EVP_PKEY *pkey)) | |
2019 | { | |
2020 | pmeth->param_check = check; | |
2021 | } | |
2022 | ||
0a8fdef7 PY |
2023 | void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth, |
2024 | int (*digest_custom) (EVP_PKEY_CTX *ctx, | |
2025 | EVP_MD_CTX *mctx)) | |
2026 | { | |
2027 | pmeth->digest_custom = digest_custom; | |
2028 | } | |
2029 | ||
693be9a2 | 2030 | void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2031 | int (**pinit) (EVP_PKEY_CTX *ctx)) |
2032 | { | |
2033 | *pinit = pmeth->init; | |
2034 | } | |
2035 | ||
693be9a2 | 2036 | void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 | 2037 | int (**pcopy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 2038 | const EVP_PKEY_CTX *src)) |
e7451ed1 DSH |
2039 | { |
2040 | *pcopy = pmeth->copy; | |
2041 | } | |
2042 | ||
693be9a2 | 2043 | void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2044 | void (**pcleanup) (EVP_PKEY_CTX *ctx)) |
2045 | { | |
2046 | *pcleanup = pmeth->cleanup; | |
2047 | } | |
2048 | ||
693be9a2 | 2049 | void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2050 | int (**pparamgen_init) (EVP_PKEY_CTX *ctx), |
2051 | int (**pparamgen) (EVP_PKEY_CTX *ctx, | |
2052 | EVP_PKEY *pkey)) | |
2053 | { | |
2054 | if (pparamgen_init) | |
2055 | *pparamgen_init = pmeth->paramgen_init; | |
2056 | if (pparamgen) | |
2057 | *pparamgen = pmeth->paramgen; | |
2058 | } | |
2059 | ||
693be9a2 | 2060 | void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2061 | int (**pkeygen_init) (EVP_PKEY_CTX *ctx), |
2062 | int (**pkeygen) (EVP_PKEY_CTX *ctx, | |
2063 | EVP_PKEY *pkey)) | |
2064 | { | |
2065 | if (pkeygen_init) | |
2066 | *pkeygen_init = pmeth->keygen_init; | |
2067 | if (pkeygen) | |
2068 | *pkeygen = pmeth->keygen; | |
2069 | } | |
2070 | ||
693be9a2 | 2071 | void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2072 | int (**psign_init) (EVP_PKEY_CTX *ctx), |
2073 | int (**psign) (EVP_PKEY_CTX *ctx, | |
2074 | unsigned char *sig, size_t *siglen, | |
2075 | const unsigned char *tbs, | |
2076 | size_t tbslen)) | |
2077 | { | |
2078 | if (psign_init) | |
2079 | *psign_init = pmeth->sign_init; | |
2080 | if (psign) | |
2081 | *psign = pmeth->sign; | |
2082 | } | |
2083 | ||
693be9a2 | 2084 | void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2085 | int (**pverify_init) (EVP_PKEY_CTX *ctx), |
2086 | int (**pverify) (EVP_PKEY_CTX *ctx, | |
2087 | const unsigned char *sig, | |
2088 | size_t siglen, | |
2089 | const unsigned char *tbs, | |
2090 | size_t tbslen)) | |
2091 | { | |
2092 | if (pverify_init) | |
2093 | *pverify_init = pmeth->verify_init; | |
2094 | if (pverify) | |
2095 | *pverify = pmeth->verify; | |
2096 | } | |
2097 | ||
693be9a2 | 2098 | void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2099 | int (**pverify_recover_init) (EVP_PKEY_CTX |
2100 | *ctx), | |
2101 | int (**pverify_recover) (EVP_PKEY_CTX | |
2102 | *ctx, | |
2103 | unsigned char | |
2104 | *sig, | |
2105 | size_t *siglen, | |
2106 | const unsigned | |
2107 | char *tbs, | |
2108 | size_t tbslen)) | |
2109 | { | |
2110 | if (pverify_recover_init) | |
2111 | *pverify_recover_init = pmeth->verify_recover_init; | |
2112 | if (pverify_recover) | |
2113 | *pverify_recover = pmeth->verify_recover; | |
2114 | } | |
2115 | ||
693be9a2 | 2116 | void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2117 | int (**psignctx_init) (EVP_PKEY_CTX *ctx, |
2118 | EVP_MD_CTX *mctx), | |
2119 | int (**psignctx) (EVP_PKEY_CTX *ctx, | |
2120 | unsigned char *sig, | |
2121 | size_t *siglen, | |
2122 | EVP_MD_CTX *mctx)) | |
2123 | { | |
2124 | if (psignctx_init) | |
2125 | *psignctx_init = pmeth->signctx_init; | |
2126 | if (psignctx) | |
2127 | *psignctx = pmeth->signctx; | |
2128 | } | |
2129 | ||
693be9a2 | 2130 | void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2131 | int (**pverifyctx_init) (EVP_PKEY_CTX *ctx, |
2132 | EVP_MD_CTX *mctx), | |
2133 | int (**pverifyctx) (EVP_PKEY_CTX *ctx, | |
2134 | const unsigned char *sig, | |
2135 | int siglen, | |
2136 | EVP_MD_CTX *mctx)) | |
2137 | { | |
2138 | if (pverifyctx_init) | |
2139 | *pverifyctx_init = pmeth->verifyctx_init; | |
2140 | if (pverifyctx) | |
2141 | *pverifyctx = pmeth->verifyctx; | |
2142 | } | |
2143 | ||
693be9a2 | 2144 | void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2145 | int (**pencrypt_init) (EVP_PKEY_CTX *ctx), |
2146 | int (**pencryptfn) (EVP_PKEY_CTX *ctx, | |
2147 | unsigned char *out, | |
2148 | size_t *outlen, | |
2149 | const unsigned char *in, | |
2150 | size_t inlen)) | |
2151 | { | |
2152 | if (pencrypt_init) | |
2153 | *pencrypt_init = pmeth->encrypt_init; | |
2154 | if (pencryptfn) | |
2155 | *pencryptfn = pmeth->encrypt; | |
2156 | } | |
2157 | ||
693be9a2 | 2158 | void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2159 | int (**pdecrypt_init) (EVP_PKEY_CTX *ctx), |
2160 | int (**pdecrypt) (EVP_PKEY_CTX *ctx, | |
2161 | unsigned char *out, | |
2162 | size_t *outlen, | |
2163 | const unsigned char *in, | |
2164 | size_t inlen)) | |
2165 | { | |
2166 | if (pdecrypt_init) | |
2167 | *pdecrypt_init = pmeth->decrypt_init; | |
2168 | if (pdecrypt) | |
2169 | *pdecrypt = pmeth->decrypt; | |
2170 | } | |
2171 | ||
693be9a2 | 2172 | void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2173 | int (**pderive_init) (EVP_PKEY_CTX *ctx), |
2174 | int (**pderive) (EVP_PKEY_CTX *ctx, | |
2175 | unsigned char *key, | |
2176 | size_t *keylen)) | |
2177 | { | |
2178 | if (pderive_init) | |
2179 | *pderive_init = pmeth->derive_init; | |
2180 | if (pderive) | |
2181 | *pderive = pmeth->derive; | |
2182 | } | |
2183 | ||
693be9a2 | 2184 | void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
2185 | int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
2186 | void *p2), | |
2187 | int (**pctrl_str) (EVP_PKEY_CTX *ctx, | |
2188 | const char *type, | |
2189 | const char *value)) | |
2190 | { | |
2191 | if (pctrl) | |
2192 | *pctrl = pmeth->ctrl; | |
2193 | if (pctrl_str) | |
2194 | *pctrl_str = pmeth->ctrl_str; | |
2195 | } | |
2aee35d3 | 2196 | |
2555285f AH |
2197 | void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth, |
2198 | int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
2199 | const unsigned char *tbs, size_t tbslen)) | |
2200 | { | |
2201 | if (digestsign) | |
2202 | *digestsign = pmeth->digestsign; | |
2203 | } | |
2204 | ||
2205 | void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth, | |
2206 | int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
2207 | size_t siglen, const unsigned char *tbs, | |
2208 | size_t tbslen)) | |
2209 | { | |
2210 | if (digestverify) | |
2211 | *digestverify = pmeth->digestverify; | |
2212 | } | |
2213 | ||
693be9a2 | 2214 | void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth, |
2aee35d3 PY |
2215 | int (**pcheck) (EVP_PKEY *pkey)) |
2216 | { | |
34f5c8b1 | 2217 | if (pcheck != NULL) |
2aee35d3 PY |
2218 | *pcheck = pmeth->check; |
2219 | } | |
b0004708 | 2220 | |
693be9a2 | 2221 | void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
2222 | int (**pcheck) (EVP_PKEY *pkey)) |
2223 | { | |
34f5c8b1 | 2224 | if (pcheck != NULL) |
b0004708 PY |
2225 | *pcheck = pmeth->public_check; |
2226 | } | |
2227 | ||
693be9a2 | 2228 | void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
2229 | int (**pcheck) (EVP_PKEY *pkey)) |
2230 | { | |
34f5c8b1 | 2231 | if (pcheck != NULL) |
b0004708 PY |
2232 | *pcheck = pmeth->param_check; |
2233 | } | |
0a8fdef7 PY |
2234 | |
2235 | void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth, | |
2236 | int (**pdigest_custom) (EVP_PKEY_CTX *ctx, | |
2237 | EVP_MD_CTX *mctx)) | |
2238 | { | |
675f4cee | 2239 | if (pdigest_custom != NULL) |
0a8fdef7 PY |
2240 | *pdigest_custom = pmeth->digest_custom; |
2241 | } | |
e683582b | 2242 | |
f844f9eb | 2243 | #endif /* FIPS_MODULE */ |