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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 SL |
28 | #include "crypto/dh.h" |
29 | #include "internal/ffc.h" | |
99119000 | 30 | #include "internal/numbers.h" |
390acbeb | 31 | #include "internal/provider.h" |
706457b7 | 32 | #include "evp_local.h" |
0b6f3c66 | 33 | |
f844f9eb | 34 | #ifndef FIPS_MODULE |
e683582b | 35 | |
19bd1fa1 | 36 | typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void); |
0f113f3e | 37 | typedef int sk_cmp_fn_type(const char *const *a, const char *const *b); |
5ce278a7 | 38 | |
df2ee0e2 | 39 | static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; |
0b6f3c66 | 40 | |
cefa762e | 41 | /* This array needs to be in order of NIDs */ |
19bd1fa1 | 42 | static pmeth_fn standard_methods[] = { |
e683582b | 43 | # ifndef OPENSSL_NO_RSA |
19bd1fa1 | 44 | rsa_pkey_method, |
e683582b SL |
45 | # endif |
46 | # ifndef OPENSSL_NO_DH | |
19bd1fa1 | 47 | dh_pkey_method, |
e683582b SL |
48 | # endif |
49 | # ifndef OPENSSL_NO_DSA | |
19bd1fa1 | 50 | dsa_pkey_method, |
e683582b SL |
51 | # endif |
52 | # ifndef OPENSSL_NO_EC | |
19bd1fa1 | 53 | ec_pkey_method, |
e683582b | 54 | # endif |
19bd1fa1 | 55 | hmac_pkey_method, |
e683582b | 56 | # ifndef OPENSSL_NO_CMAC |
19bd1fa1 | 57 | cmac_pkey_method, |
e683582b SL |
58 | # endif |
59 | # ifndef OPENSSL_NO_RSA | |
19bd1fa1 | 60 | rsa_pss_pkey_method, |
e683582b SL |
61 | # endif |
62 | # ifndef OPENSSL_NO_DH | |
19bd1fa1 | 63 | dhx_pkey_method, |
e683582b SL |
64 | # endif |
65 | # ifndef OPENSSL_NO_SCRYPT | |
19bd1fa1 | 66 | scrypt_pkey_method, |
e683582b | 67 | # endif |
19bd1fa1 | 68 | tls1_prf_pkey_method, |
e683582b | 69 | # ifndef OPENSSL_NO_EC |
19bd1fa1 PS |
70 | ecx25519_pkey_method, |
71 | ecx448_pkey_method, | |
e683582b | 72 | # endif |
19bd1fa1 | 73 | hkdf_pkey_method, |
e683582b | 74 | # ifndef OPENSSL_NO_POLY1305 |
19bd1fa1 | 75 | poly1305_pkey_method, |
e683582b SL |
76 | # endif |
77 | # ifndef OPENSSL_NO_SIPHASH | |
19bd1fa1 | 78 | siphash_pkey_method, |
e683582b SL |
79 | # endif |
80 | # ifndef OPENSSL_NO_EC | |
19bd1fa1 PS |
81 | ed25519_pkey_method, |
82 | ed448_pkey_method, | |
e683582b SL |
83 | # endif |
84 | # ifndef OPENSSL_NO_SM2 | |
19bd1fa1 | 85 | sm2_pkey_method, |
e683582b | 86 | # endif |
0f113f3e | 87 | }; |
0b6f3c66 | 88 | |
19bd1fa1 PS |
89 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); |
90 | ||
91 | static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b) | |
92 | { | |
93 | return ((*a)->pkey_id - ((**b)())->pkey_id); | |
94 | } | |
95 | ||
96 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func); | |
babb3798 | 97 | |
0f113f3e MC |
98 | static int pmeth_cmp(const EVP_PKEY_METHOD *const *a, |
99 | const EVP_PKEY_METHOD *const *b) | |
100 | { | |
101 | return ((*a)->pkey_id - (*b)->pkey_id); | |
102 | } | |
0b6f3c66 | 103 | |
c9777d26 | 104 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) |
0f113f3e | 105 | { |
19bd1fa1 | 106 | pmeth_fn *ret; |
0f113f3e | 107 | EVP_PKEY_METHOD tmp; |
19bd1fa1 | 108 | const EVP_PKEY_METHOD *t = &tmp; |
12a765a5 | 109 | |
0f113f3e MC |
110 | tmp.pkey_id = type; |
111 | if (app_pkey_methods) { | |
112 | int idx; | |
113 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); | |
114 | if (idx >= 0) | |
115 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
116 | } | |
19bd1fa1 PS |
117 | ret = OBJ_bsearch_pmeth_func(&t, standard_methods, |
118 | sizeof(standard_methods) / | |
119 | sizeof(pmeth_fn)); | |
12a765a5 | 120 | if (ret == NULL || *ret == NULL) |
0f113f3e | 121 | return NULL; |
19bd1fa1 | 122 | return (**ret)(); |
0f113f3e | 123 | } |
0b6f3c66 | 124 | |
e683582b SL |
125 | EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags) |
126 | { | |
127 | EVP_PKEY_METHOD *pmeth; | |
128 | ||
129 | pmeth = OPENSSL_zalloc(sizeof(*pmeth)); | |
130 | if (pmeth == NULL) { | |
131 | EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE); | |
132 | return NULL; | |
133 | } | |
134 | ||
135 | pmeth->pkey_id = id; | |
136 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; | |
137 | return pmeth; | |
138 | } | |
f844f9eb | 139 | #endif /* FIPS_MODULE */ |
e683582b | 140 | |
b533510f MC |
141 | static int is_legacy_alg(int id, const char *keytype) |
142 | { | |
143 | #ifndef FIPS_MODULE | |
144 | /* Certain EVP_PKEY keytypes are only available in legacy form */ | |
145 | if (id == -1) { | |
146 | id = OBJ_sn2nid(keytype); | |
147 | if (id == NID_undef) | |
148 | id = OBJ_ln2nid(keytype); | |
149 | if (id == NID_undef) | |
150 | return 0; | |
151 | } | |
152 | switch (id) { | |
153 | /* | |
154 | * TODO(3.0): Remove SM2 and DHX when they are converted to have provider | |
155 | * support | |
156 | */ | |
157 | case EVP_PKEY_SM2: | |
158 | case EVP_PKEY_DHX: | |
159 | case EVP_PKEY_SCRYPT: | |
b533510f MC |
160 | case EVP_PKEY_CMAC: |
161 | case EVP_PKEY_HMAC: | |
162 | case EVP_PKEY_SIPHASH: | |
163 | case EVP_PKEY_POLY1305: | |
164 | return 1; | |
165 | default: | |
166 | return 0; | |
167 | } | |
168 | #else | |
169 | return 0; | |
170 | #endif | |
171 | } | |
172 | ||
3ee348b0 RL |
173 | static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx, |
174 | EVP_PKEY *pkey, ENGINE *e, | |
4b9e90f4 | 175 | const char *keytype, const char *propquery, |
a07c17ef | 176 | int id) |
e683582b | 177 | |
0f113f3e MC |
178 | { |
179 | EVP_PKEY_CTX *ret; | |
d0ea49a8 | 180 | const EVP_PKEY_METHOD *pmeth = NULL; |
4b9e90f4 | 181 | EVP_KEYMGMT *keymgmt = NULL; |
d0ea49a8 RL |
182 | |
183 | /* | |
184 | * When using providers, the context is bound to the algo implementation | |
185 | * later. | |
186 | */ | |
187 | if (pkey == NULL && e == NULL && id == -1) | |
188 | goto common; | |
2f2e6b62 | 189 | |
982efd77 | 190 | /* |
5e5bc836 RL |
191 | * If the internal key is provided, we extract the keytype from its |
192 | * keymgmt and skip over the legacy code. | |
982efd77 | 193 | */ |
5e5bc836 | 194 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
982efd77 RL |
195 | /* If we have an engine, something went wrong somewhere... */ |
196 | if (!ossl_assert(e == NULL)) | |
197 | return NULL; | |
4b9e90f4 | 198 | keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id); |
982efd77 RL |
199 | goto common; |
200 | } | |
f844f9eb | 201 | #ifndef FIPS_MODULE |
d0ea49a8 RL |
202 | /* TODO(3.0) Legacy code should be removed when all is provider based */ |
203 | /* BEGIN legacy */ | |
0f113f3e | 204 | if (id == -1) { |
a6465b3f | 205 | if (pkey == NULL) |
982efd77 | 206 | return NULL; |
2f2e6b62 | 207 | id = pkey->type; |
0f113f3e | 208 | } |
60653e5b RL |
209 | |
210 | /* | |
211 | * Here, we extract what information we can for the purpose of | |
212 | * supporting usage with implementations from providers, to make | |
213 | * for a smooth transition from legacy stuff to provider based stuff. | |
214 | * | |
215 | * If an engine is given, this is entirely legacy, and we should not | |
216 | * pretend anything else, so we only set the name when no engine is | |
217 | * given. If both are already given, someone made a mistake, and | |
218 | * since that can only happen internally, it's safe to make an | |
219 | * assertion. | |
220 | */ | |
4b9e90f4 | 221 | if (!ossl_assert(e == NULL || keytype == NULL)) |
60653e5b RL |
222 | return NULL; |
223 | if (e == NULL) | |
4b9e90f4 | 224 | keytype = OBJ_nid2sn(id); |
60653e5b | 225 | |
e683582b | 226 | # ifndef OPENSSL_NO_ENGINE |
c2976edf | 227 | if (e == NULL && pkey != NULL) |
d19b01ad | 228 | e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine; |
0f113f3e MC |
229 | /* Try to find an ENGINE which implements this method */ |
230 | if (e) { | |
231 | if (!ENGINE_init(e)) { | |
232 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB); | |
233 | return NULL; | |
234 | } | |
c2976edf | 235 | } else { |
0f113f3e | 236 | e = ENGINE_get_pkey_meth_engine(id); |
c2976edf | 237 | } |
0f113f3e MC |
238 | |
239 | /* | |
0d4fb843 | 240 | * If an ENGINE handled this method look it up. Otherwise use internal |
0f113f3e MC |
241 | * tables. |
242 | */ | |
ac2d58c7 | 243 | if (e != NULL) { |
0f113f3e MC |
244 | pmeth = ENGINE_get_pkey_meth(e, id); |
245 | else | |
e683582b | 246 | # endif |
0f113f3e | 247 | pmeth = EVP_PKEY_meth_find(id); |
c9777d26 | 248 | |
0f113f3e | 249 | if (pmeth == NULL) { |
e683582b | 250 | # ifndef OPENSSL_NO_ENGINE |
918a27fa | 251 | ENGINE_finish(e); |
e683582b | 252 | # endif |
0f113f3e MC |
253 | EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM); |
254 | return NULL; | |
255 | } | |
d0ea49a8 | 256 | /* END legacy */ |
f844f9eb | 257 | #endif /* FIPS_MODULE */ |
d0ea49a8 | 258 | common: |
4b9e90f4 RL |
259 | /* |
260 | * If there's no engine and there's a name, we try fetching a provider | |
261 | * implementation. | |
262 | */ | |
5fcb97c6 | 263 | if (e == NULL && keytype != NULL) { |
b533510f MC |
264 | int legacy = is_legacy_alg(id, keytype); |
265 | ||
266 | if (legacy) { | |
267 | /* This could fail so ignore errors */ | |
268 | ERR_set_mark(); | |
269 | } | |
270 | ||
4b9e90f4 | 271 | keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery); |
b533510f MC |
272 | if (legacy) { |
273 | ERR_pop_to_mark(); | |
274 | } else if (keymgmt == NULL) { | |
275 | EVPerr(EVP_F_INT_CTX_NEW, EVP_R_FETCH_FAILED); | |
276 | return NULL; | |
277 | } | |
5fcb97c6 | 278 | } |
4b9e90f4 | 279 | |
64b25758 | 280 | ret = OPENSSL_zalloc(sizeof(*ret)); |
90945fa3 | 281 | if (ret == NULL) { |
b5bcc053 | 282 | EVP_KEYMGMT_free(keymgmt); |
f844f9eb | 283 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
7c96dbcd | 284 | ENGINE_finish(e); |
a63bf2c5 | 285 | #endif |
0f113f3e MC |
286 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE); |
287 | return NULL; | |
288 | } | |
3ee348b0 | 289 | ret->libctx = libctx; |
a07c17ef | 290 | ret->propquery = propquery; |
4b9e90f4 RL |
291 | ret->keytype = keytype; |
292 | ret->keymgmt = keymgmt; | |
0f113f3e MC |
293 | ret->engine = e; |
294 | ret->pmeth = pmeth; | |
295 | ret->operation = EVP_PKEY_OP_UNDEFINED; | |
296 | ret->pkey = pkey; | |
a6465b3f | 297 | if (pkey != NULL) |
03273d61 | 298 | EVP_PKEY_up_ref(pkey); |
0f113f3e | 299 | |
8b84b075 | 300 | if (pmeth != NULL && pmeth->init != NULL) { |
0f113f3e | 301 | if (pmeth->init(ret) <= 0) { |
83b4049a | 302 | ret->pmeth = NULL; |
0f113f3e MC |
303 | EVP_PKEY_CTX_free(ret); |
304 | return NULL; | |
305 | } | |
306 | } | |
307 | ||
308 | return ret; | |
309 | } | |
310 | ||
f844f9eb | 311 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
312 | |
313 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx, | |
314 | const char *name, | |
315 | const char *propquery) | |
316 | { | |
317 | return int_ctx_new(libctx, NULL, NULL, name, propquery, -1); | |
318 | } | |
319 | ||
2ee4a50a MC |
320 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey, |
321 | const char *propquery) | |
e683582b | 322 | { |
2ee4a50a | 323 | return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1); |
e683582b SL |
324 | } |
325 | ||
864b89ce MC |
326 | void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx) |
327 | { | |
e683582b | 328 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
864b89ce MC |
329 | if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL) |
330 | ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx); | |
331 | EVP_SIGNATURE_free(ctx->op.sig.signature); | |
fb1ecf85 RL |
332 | ctx->op.sig.sigprovctx = NULL; |
333 | ctx->op.sig.signature = NULL; | |
62f49b90 | 334 | } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { |
e683582b SL |
335 | if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL) |
336 | ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx); | |
337 | EVP_KEYEXCH_free(ctx->op.kex.exchange); | |
338 | ctx->op.kex.exchprovctx = NULL; | |
339 | ctx->op.kex.exchange = NULL; | |
62f49b90 SL |
340 | } |
341 | /* TODO(3.0): add dependancies and uncomment this when available for fips mode */ | |
f844f9eb | 342 | #ifndef FIPS_MODULE |
62f49b90 | 343 | else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) { |
2c938e2e MC |
344 | if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL) |
345 | ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx); | |
346 | EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher); | |
347 | ctx->op.ciph.ciphprovctx = NULL; | |
348 | ctx->op.ciph.cipher = NULL; | |
62924755 RL |
349 | } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) { |
350 | if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL) | |
351 | evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx); | |
864b89ce | 352 | } |
e683582b | 353 | #endif |
864b89ce MC |
354 | } |
355 | ||
e683582b | 356 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) |
0f113f3e | 357 | { |
e683582b SL |
358 | if (ctx == NULL) |
359 | return; | |
360 | if (ctx->pmeth && ctx->pmeth->cleanup) | |
361 | ctx->pmeth->cleanup(ctx); | |
b4faea50 | 362 | |
e683582b SL |
363 | evp_pkey_ctx_free_old_ops(ctx); |
364 | EVP_KEYMGMT_free(ctx->keymgmt); | |
0f113f3e | 365 | |
e683582b SL |
366 | EVP_PKEY_free(ctx->pkey); |
367 | EVP_PKEY_free(ctx->peerkey); | |
f844f9eb | 368 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) |
e683582b SL |
369 | ENGINE_finish(ctx->engine); |
370 | #endif | |
371 | OPENSSL_free(ctx); | |
0f113f3e | 372 | } |
ba30bad5 | 373 | |
f844f9eb | 374 | #ifndef FIPS_MODULE |
e683582b | 375 | |
f830c68f | 376 | void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, |
0f113f3e MC |
377 | const EVP_PKEY_METHOD *meth) |
378 | { | |
379 | if (ppkey_id) | |
380 | *ppkey_id = meth->pkey_id; | |
381 | if (pflags) | |
382 | *pflags = meth->flags; | |
383 | } | |
f830c68f DSH |
384 | |
385 | void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
0f113f3e | 386 | { |
4cbb196b AT |
387 | int pkey_id = dst->pkey_id; |
388 | int flags = dst->flags; | |
f830c68f | 389 | |
4cbb196b | 390 | *dst = *src; |
f830c68f | 391 | |
4cbb196b AT |
392 | /* We only copy the function pointers so restore the other values */ |
393 | dst->pkey_id = pkey_id; | |
394 | dst->flags = flags; | |
0f113f3e | 395 | } |
f830c68f | 396 | |
ba30bad5 | 397 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
398 | { |
399 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) | |
400 | OPENSSL_free(pmeth); | |
401 | } | |
ba30bad5 | 402 | |
f5cda4cb | 403 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) |
0f113f3e | 404 | { |
3ee348b0 | 405 | return int_ctx_new(NULL, pkey, e, NULL, NULL, -1); |
0f113f3e | 406 | } |
f5cda4cb DSH |
407 | |
408 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
0f113f3e | 409 | { |
3ee348b0 | 410 | return int_ctx_new(NULL, NULL, e, NULL, NULL, id); |
a07c17ef RL |
411 | } |
412 | ||
9fdcc21f | 413 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx) |
0f113f3e MC |
414 | { |
415 | EVP_PKEY_CTX *rctx; | |
ff64702b MC |
416 | |
417 | if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL)) | |
864b89ce MC |
418 | && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx) |
419 | && pctx->op.kex.exchprovctx == NULL) | |
420 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx) | |
421 | && pctx->op.sig.sigprovctx == NULL))) | |
0f113f3e | 422 | return NULL; |
e683582b | 423 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
424 | /* Make sure it's safe to copy a pkey context using an ENGINE */ |
425 | if (pctx->engine && !ENGINE_init(pctx->engine)) { | |
426 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB); | |
427 | return 0; | |
428 | } | |
e683582b | 429 | # endif |
ff64702b | 430 | rctx = OPENSSL_zalloc(sizeof(*rctx)); |
3484236d F |
431 | if (rctx == NULL) { |
432 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 433 | return NULL; |
3484236d | 434 | } |
8bdcef40 | 435 | |
ff64702b MC |
436 | if (pctx->pkey != NULL) |
437 | EVP_PKEY_up_ref(pctx->pkey); | |
438 | rctx->pkey = pctx->pkey; | |
439 | rctx->operation = pctx->operation; | |
3ee348b0 | 440 | rctx->libctx = pctx->libctx; |
f23bc0b7 | 441 | rctx->keytype = pctx->keytype; |
a07c17ef | 442 | rctx->propquery = pctx->propquery; |
ff64702b | 443 | |
864b89ce MC |
444 | if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) { |
445 | if (pctx->op.kex.exchange != NULL) { | |
446 | rctx->op.kex.exchange = pctx->op.kex.exchange; | |
447 | if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) { | |
448 | OPENSSL_free(rctx); | |
449 | return NULL; | |
450 | } | |
ff64702b | 451 | } |
864b89ce MC |
452 | if (pctx->op.kex.exchprovctx != NULL) { |
453 | if (!ossl_assert(pctx->op.kex.exchange != NULL)) | |
454 | return NULL; | |
455 | rctx->op.kex.exchprovctx | |
456 | = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx); | |
457 | if (rctx->op.kex.exchprovctx == NULL) { | |
458 | EVP_KEYEXCH_free(rctx->op.kex.exchange); | |
459 | OPENSSL_free(rctx); | |
460 | return NULL; | |
461 | } | |
462 | return rctx; | |
463 | } | |
464 | } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) { | |
465 | if (pctx->op.sig.signature != NULL) { | |
466 | rctx->op.sig.signature = pctx->op.sig.signature; | |
467 | if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) { | |
468 | OPENSSL_free(rctx); | |
469 | return NULL; | |
470 | } | |
471 | } | |
472 | if (pctx->op.sig.sigprovctx != NULL) { | |
473 | if (!ossl_assert(pctx->op.sig.signature != NULL)) | |
474 | return NULL; | |
475 | rctx->op.sig.sigprovctx | |
476 | = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx); | |
477 | if (rctx->op.sig.sigprovctx == NULL) { | |
478 | EVP_SIGNATURE_free(rctx->op.sig.signature); | |
479 | OPENSSL_free(rctx); | |
480 | return NULL; | |
481 | } | |
482 | return rctx; | |
ff64702b | 483 | } |
2c938e2e MC |
484 | } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) { |
485 | if (pctx->op.ciph.cipher != NULL) { | |
486 | rctx->op.ciph.cipher = pctx->op.ciph.cipher; | |
487 | if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) { | |
488 | OPENSSL_free(rctx); | |
489 | return NULL; | |
490 | } | |
491 | } | |
492 | if (pctx->op.ciph.ciphprovctx != NULL) { | |
493 | if (!ossl_assert(pctx->op.ciph.cipher != NULL)) | |
494 | return NULL; | |
495 | rctx->op.ciph.ciphprovctx | |
496 | = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx); | |
497 | if (rctx->op.ciph.ciphprovctx == NULL) { | |
498 | EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher); | |
499 | OPENSSL_free(rctx); | |
500 | return NULL; | |
501 | } | |
502 | return rctx; | |
503 | } | |
ff64702b MC |
504 | } |
505 | ||
0f113f3e | 506 | rctx->pmeth = pctx->pmeth; |
e683582b | 507 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e | 508 | rctx->engine = pctx->engine; |
e683582b | 509 | # endif |
8bdcef40 | 510 | |
0f113f3e | 511 | if (pctx->peerkey) |
03273d61 | 512 | EVP_PKEY_up_ref(pctx->peerkey); |
0f113f3e | 513 | rctx->peerkey = pctx->peerkey; |
8bdcef40 | 514 | |
0f113f3e MC |
515 | if (pctx->pmeth->copy(rctx, pctx) > 0) |
516 | return rctx; | |
8bdcef40 | 517 | |
83b4049a | 518 | rctx->pmeth = NULL; |
0f113f3e MC |
519 | EVP_PKEY_CTX_free(rctx); |
520 | return NULL; | |
8bdcef40 | 521 | |
0f113f3e | 522 | } |
8bdcef40 | 523 | |
ba30bad5 | 524 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) |
0f113f3e MC |
525 | { |
526 | if (app_pkey_methods == NULL) { | |
527 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); | |
3484236d F |
528 | if (app_pkey_methods == NULL){ |
529 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 530 | return 0; |
3484236d | 531 | } |
0f113f3e | 532 | } |
3484236d F |
533 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) { |
534 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
0f113f3e | 535 | return 0; |
3484236d | 536 | } |
0f113f3e MC |
537 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); |
538 | return 1; | |
539 | } | |
ba30bad5 | 540 | |
0822e89a PY |
541 | void evp_app_cleanup_int(void) |
542 | { | |
543 | if (app_pkey_methods != NULL) | |
544 | sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free); | |
545 | } | |
546 | ||
547 | int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth) | |
548 | { | |
549 | const EVP_PKEY_METHOD *ret; | |
550 | ||
551 | ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth); | |
552 | ||
553 | return ret == NULL ? 0 : 1; | |
554 | } | |
555 | ||
48ed9c23 DSH |
556 | size_t EVP_PKEY_meth_get_count(void) |
557 | { | |
558 | size_t rv = OSSL_NELEM(standard_methods); | |
559 | ||
560 | if (app_pkey_methods) | |
561 | rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods); | |
562 | return rv; | |
563 | } | |
564 | ||
565 | const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx) | |
566 | { | |
567 | if (idx < OSSL_NELEM(standard_methods)) | |
19bd1fa1 | 568 | return (standard_methods[idx])(); |
48ed9c23 DSH |
569 | if (app_pkey_methods == NULL) |
570 | return NULL; | |
571 | idx -= OSSL_NELEM(standard_methods); | |
572 | if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods)) | |
573 | return NULL; | |
574 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
575 | } | |
e683582b | 576 | #endif |
48ed9c23 | 577 | |
e683582b | 578 | int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
0f113f3e | 579 | { |
e683582b SL |
580 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
581 | && ctx->op.kex.exchprovctx != NULL | |
582 | && ctx->op.kex.exchange != NULL | |
583 | && ctx->op.kex.exchange->set_ctx_params != NULL) | |
584 | return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx, | |
585 | params); | |
586 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
587 | && ctx->op.sig.sigprovctx != NULL | |
588 | && ctx->op.sig.signature != NULL | |
589 | && ctx->op.sig.signature->set_ctx_params != NULL) | |
590 | return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx, | |
591 | params); | |
592 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
593 | && ctx->op.ciph.ciphprovctx != NULL | |
594 | && ctx->op.ciph.cipher != NULL | |
595 | && ctx->op.ciph.cipher->set_ctx_params != NULL) | |
596 | return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx, | |
597 | params); | |
62924755 RL |
598 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
599 | && ctx->op.keymgmt.genctx != NULL | |
600 | && ctx->keymgmt != NULL | |
601 | && ctx->keymgmt->gen_set_params != NULL) | |
602 | return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx, | |
603 | params); | |
e683582b | 604 | return 0; |
0f113f3e | 605 | } |
5da98aa6 | 606 | |
9c45222d MC |
607 | int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) |
608 | { | |
4fe54d67 NT |
609 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
610 | && ctx->op.kex.exchprovctx != NULL | |
611 | && ctx->op.kex.exchange != NULL | |
612 | && ctx->op.kex.exchange->get_ctx_params != NULL) | |
613 | return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx, | |
614 | params); | |
864b89ce MC |
615 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
616 | && ctx->op.sig.sigprovctx != NULL | |
617 | && ctx->op.sig.signature != NULL | |
618 | && ctx->op.sig.signature->get_ctx_params != NULL) | |
619 | return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx, | |
620 | params); | |
2c938e2e MC |
621 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
622 | && ctx->op.ciph.ciphprovctx != NULL | |
623 | && ctx->op.ciph.cipher != NULL | |
624 | && ctx->op.ciph.cipher->get_ctx_params != NULL) | |
625 | return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx, | |
626 | params); | |
9c45222d MC |
627 | return 0; |
628 | } | |
629 | ||
11a1b341 | 630 | #ifndef FIPS_MODULE |
9c45222d MC |
631 | const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx) |
632 | { | |
18ec26ba P |
633 | void *provctx; |
634 | ||
4fe54d67 NT |
635 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
636 | && ctx->op.kex.exchange != NULL | |
18ec26ba P |
637 | && ctx->op.kex.exchange->gettable_ctx_params != NULL) { |
638 | provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange)); | |
639 | return ctx->op.kex.exchange->gettable_ctx_params(provctx); | |
640 | } | |
864b89ce MC |
641 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
642 | && ctx->op.sig.signature != NULL | |
18ec26ba P |
643 | && ctx->op.sig.signature->gettable_ctx_params != NULL) { |
644 | provctx = ossl_provider_ctx( | |
645 | EVP_SIGNATURE_provider(ctx->op.sig.signature)); | |
646 | return ctx->op.sig.signature->gettable_ctx_params(provctx); | |
647 | } | |
2c938e2e MC |
648 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
649 | && ctx->op.ciph.cipher != NULL | |
18ec26ba P |
650 | && ctx->op.ciph.cipher->gettable_ctx_params != NULL) { |
651 | provctx = ossl_provider_ctx( | |
652 | EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher)); | |
653 | return ctx->op.ciph.cipher->gettable_ctx_params(provctx); | |
654 | } | |
9c45222d MC |
655 | return NULL; |
656 | } | |
657 | ||
9c45222d MC |
658 | const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx) |
659 | { | |
18ec26ba P |
660 | void *provctx; |
661 | ||
864b89ce MC |
662 | if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx) |
663 | && ctx->op.kex.exchange != NULL | |
18ec26ba P |
664 | && ctx->op.kex.exchange->settable_ctx_params != NULL) { |
665 | provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange)); | |
666 | return ctx->op.kex.exchange->settable_ctx_params(provctx); | |
667 | } | |
864b89ce MC |
668 | if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
669 | && ctx->op.sig.signature != NULL | |
18ec26ba P |
670 | && ctx->op.sig.signature->settable_ctx_params != NULL) { |
671 | provctx = ossl_provider_ctx( | |
672 | EVP_SIGNATURE_provider(ctx->op.sig.signature)); | |
673 | return ctx->op.sig.signature->settable_ctx_params(provctx); | |
674 | } | |
2c938e2e MC |
675 | if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) |
676 | && ctx->op.ciph.cipher != NULL | |
18ec26ba P |
677 | && ctx->op.ciph.cipher->settable_ctx_params != NULL) { |
678 | provctx = ossl_provider_ctx( | |
679 | EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher)); | |
680 | return ctx->op.ciph.cipher->settable_ctx_params(provctx); | |
681 | } | |
62924755 | 682 | if (EVP_PKEY_CTX_IS_GEN_OP(ctx) |
5e77b79a | 683 | && ctx->keymgmt != NULL) |
62924755 | 684 | return evp_keymgmt_gen_settable_params(ctx->keymgmt); |
9c45222d MC |
685 | |
686 | return NULL; | |
687 | } | |
688 | ||
4fe54d67 NT |
689 | /* |
690 | * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params(). | |
691 | * | |
692 | * Return 1 on success, 0 or negative for errors. | |
693 | * | |
694 | * In particular they return -2 if any of the params is not supported. | |
695 | * | |
f844f9eb | 696 | * They are not available in FIPS_MODULE as they depend on |
4fe54d67 NT |
697 | * - EVP_PKEY_CTX_{get,set}_params() |
698 | * - EVP_PKEY_CTX_{gettable,settable}_params() | |
699 | * | |
700 | */ | |
701 | int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
702 | { | |
703 | const OSSL_PARAM *p; | |
704 | ||
705 | if (ctx == NULL || params == NULL) | |
706 | return 0; | |
707 | ||
708 | for (p = params; p->key != NULL; p++) { | |
709 | /* Check the ctx actually understands this parameter */ | |
710 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx), | |
711 | p->key) == NULL ) | |
712 | return -2; | |
713 | } | |
714 | ||
715 | return EVP_PKEY_CTX_set_params(ctx, params); | |
716 | } | |
717 | ||
718 | int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params) | |
719 | { | |
720 | const OSSL_PARAM *p; | |
721 | ||
722 | if (ctx == NULL || params == NULL) | |
723 | return 0; | |
724 | ||
725 | for (p = params; p->key != NULL; p++ ) { | |
726 | /* Check the ctx actually understands this parameter */ | |
727 | if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx), | |
728 | p->key) == NULL ) | |
729 | return -2; | |
730 | } | |
731 | ||
732 | return EVP_PKEY_CTX_get_params(ctx, params); | |
733 | } | |
734 | ||
e683582b | 735 | # ifndef OPENSSL_NO_DH |
35aca9ec MC |
736 | int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad) |
737 | { | |
738 | OSSL_PARAM dh_pad_params[2]; | |
1c3ace68 | 739 | unsigned int upad = pad; |
35aca9ec | 740 | |
864b89ce MC |
741 | /* We use EVP_PKEY_CTX_ctrl return values */ |
742 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
743 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
744 | return -2; | |
745 | } | |
746 | ||
35aca9ec | 747 | /* TODO(3.0): Remove this eventually when no more legacy */ |
864b89ce | 748 | if (ctx->op.kex.exchprovctx == NULL) |
35aca9ec MC |
749 | return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE, |
750 | EVP_PKEY_CTRL_DH_PAD, pad, NULL); | |
751 | ||
1c3ace68 | 752 | dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad); |
35aca9ec MC |
753 | dh_pad_params[1] = OSSL_PARAM_construct_end(); |
754 | ||
755 | return EVP_PKEY_CTX_set_params(ctx, dh_pad_params); | |
756 | } | |
e683582b | 757 | # endif |
35aca9ec | 758 | |
9c45222d MC |
759 | int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md) |
760 | { | |
ac2d58c7 | 761 | OSSL_PARAM sig_md_params[2], *p = sig_md_params; |
9c45222d MC |
762 | /* 80 should be big enough */ |
763 | char name[80] = ""; | |
764 | const EVP_MD *tmp; | |
765 | ||
864b89ce | 766 | if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) { |
9c45222d MC |
767 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
768 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
769 | return -2; | |
770 | } | |
771 | ||
772 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
864b89ce | 773 | if (ctx->op.sig.sigprovctx == NULL) |
9c45222d MC |
774 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, |
775 | EVP_PKEY_CTRL_GET_MD, 0, (void *)(md)); | |
776 | ||
777 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, | |
778 | name, | |
779 | sizeof(name)); | |
ac2d58c7 | 780 | *p = OSSL_PARAM_construct_end(); |
9c45222d MC |
781 | |
782 | if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params)) | |
783 | return 0; | |
784 | ||
7606bed9 | 785 | tmp = evp_get_digestbyname_ex(ctx->libctx, name); |
9c45222d MC |
786 | if (tmp == NULL) |
787 | return 0; | |
788 | ||
789 | *md = tmp; | |
790 | ||
791 | return 1; | |
792 | } | |
793 | ||
05d2f72e MC |
794 | static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md, |
795 | int fallback, const char *param, int op, | |
796 | int ctrl) | |
4889dadc | 797 | { |
05d2f72e | 798 | OSSL_PARAM md_params[2], *p = md_params; |
4889dadc MC |
799 | const char *name; |
800 | ||
05d2f72e | 801 | if (ctx == NULL || (ctx->operation & op) == 0) { |
9c45222d MC |
802 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); |
803 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
804 | return -2; | |
805 | } | |
806 | ||
4889dadc | 807 | /* TODO(3.0): Remove this eventually when no more legacy */ |
05d2f72e MC |
808 | if (fallback) |
809 | return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md)); | |
4889dadc | 810 | |
9c45222d MC |
811 | if (md == NULL) { |
812 | name = ""; | |
9c45222d | 813 | } else { |
9c45222d MC |
814 | name = EVP_MD_name(md); |
815 | } | |
4889dadc | 816 | |
05d2f72e | 817 | *p++ = OSSL_PARAM_construct_utf8_string(param, |
9c45222d MC |
818 | /* |
819 | * Cast away the const. This is read | |
820 | * only so should be safe | |
821 | */ | |
8b6ffd40 | 822 | (char *)name, 0); |
ac2d58c7 | 823 | *p = OSSL_PARAM_construct_end(); |
4889dadc | 824 | |
05d2f72e MC |
825 | return EVP_PKEY_CTX_set_params(ctx, md_params); |
826 | } | |
827 | ||
828 | int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) | |
829 | { | |
830 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL, | |
831 | OSSL_SIGNATURE_PARAM_DIGEST, | |
832 | EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD); | |
4889dadc MC |
833 | } |
834 | ||
ac2d58c7 MC |
835 | int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
836 | { | |
05d2f72e MC |
837 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL, |
838 | OSSL_KDF_PARAM_DIGEST, | |
839 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD); | |
840 | } | |
841 | ||
842 | static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback, | |
843 | const char *param, int op, int ctrl, | |
844 | const unsigned char *data, | |
845 | int datalen) | |
846 | { | |
847 | OSSL_PARAM octet_string_params[2], *p = octet_string_params; | |
ac2d58c7 MC |
848 | |
849 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
850 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
851 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
852 | return -2; | |
853 | } | |
854 | ||
855 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
05d2f72e MC |
856 | if (fallback) |
857 | return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data)); | |
ac2d58c7 | 858 | |
05d2f72e MC |
859 | if (datalen < 0) { |
860 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH); | |
861 | return 0; | |
ac2d58c7 MC |
862 | } |
863 | ||
05d2f72e | 864 | *p++ = OSSL_PARAM_construct_octet_string(param, |
ac2d58c7 MC |
865 | /* |
866 | * Cast away the const. This is read | |
867 | * only so should be safe | |
868 | */ | |
05d2f72e MC |
869 | (unsigned char *)data, |
870 | (size_t)datalen); | |
ac2d58c7 MC |
871 | *p++ = OSSL_PARAM_construct_end(); |
872 | ||
05d2f72e | 873 | return EVP_PKEY_CTX_set_params(ctx, octet_string_params); |
ac2d58c7 MC |
874 | } |
875 | ||
876 | int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx, | |
877 | const unsigned char *sec, int seclen) | |
878 | { | |
05d2f72e MC |
879 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, |
880 | OSSL_KDF_PARAM_SECRET, | |
881 | EVP_PKEY_OP_DERIVE, | |
882 | EVP_PKEY_CTRL_TLS_SECRET, | |
883 | sec, seclen); | |
884 | } | |
ac2d58c7 | 885 | |
05d2f72e MC |
886 | int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx, |
887 | const unsigned char *seed, int seedlen) | |
888 | { | |
889 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
890 | OSSL_KDF_PARAM_SEED, | |
891 | EVP_PKEY_OP_DERIVE, | |
892 | EVP_PKEY_CTRL_TLS_SEED, | |
893 | seed, seedlen); | |
894 | } | |
ac2d58c7 | 895 | |
05d2f72e MC |
896 | int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) |
897 | { | |
898 | return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL, | |
899 | OSSL_KDF_PARAM_DIGEST, | |
900 | EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD); | |
901 | } | |
ac2d58c7 | 902 | |
05d2f72e MC |
903 | int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx, |
904 | const unsigned char *salt, int saltlen) | |
905 | { | |
906 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
907 | OSSL_KDF_PARAM_SALT, | |
908 | EVP_PKEY_OP_DERIVE, | |
909 | EVP_PKEY_CTRL_HKDF_SALT, | |
910 | salt, saltlen); | |
911 | } | |
ac2d58c7 | 912 | |
05d2f72e MC |
913 | int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx, |
914 | const unsigned char *key, int keylen) | |
915 | { | |
916 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
917 | OSSL_KDF_PARAM_KEY, | |
918 | EVP_PKEY_OP_DERIVE, | |
919 | EVP_PKEY_CTRL_HKDF_KEY, | |
920 | key, keylen); | |
921 | } | |
ac2d58c7 | 922 | |
05d2f72e MC |
923 | int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx, |
924 | const unsigned char *info, int infolen) | |
925 | { | |
926 | return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL, | |
927 | OSSL_KDF_PARAM_INFO, | |
928 | EVP_PKEY_OP_DERIVE, | |
929 | EVP_PKEY_CTRL_HKDF_INFO, | |
930 | info, infolen); | |
ac2d58c7 MC |
931 | } |
932 | ||
05d2f72e | 933 | int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode) |
ac2d58c7 | 934 | { |
05d2f72e | 935 | OSSL_PARAM int_params[2], *p = int_params; |
ac2d58c7 MC |
936 | |
937 | if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) { | |
938 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
939 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
940 | return -2; | |
941 | } | |
942 | ||
943 | /* TODO(3.0): Remove this eventually when no more legacy */ | |
944 | if (ctx->op.kex.exchprovctx == NULL) | |
945 | return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE, | |
05d2f72e MC |
946 | EVP_PKEY_CTRL_HKDF_MODE, mode, NULL); |
947 | ||
ac2d58c7 | 948 | |
05d2f72e MC |
949 | if (mode < 0) { |
950 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE); | |
ac2d58c7 MC |
951 | return 0; |
952 | } | |
953 | ||
05d2f72e | 954 | *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode); |
ac2d58c7 MC |
955 | *p++ = OSSL_PARAM_construct_end(); |
956 | ||
05d2f72e | 957 | return EVP_PKEY_CTX_set_params(ctx, int_params); |
ac2d58c7 MC |
958 | } |
959 | ||
35aca9ec MC |
960 | static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype, |
961 | int cmd, int p1, void *p2) | |
962 | { | |
71434aed DB |
963 | /* |
964 | * GOST CMS format is different for different cipher algorithms. | |
965 | * Most of other algorithms don't have such a difference | |
966 | * so this ctrl is just ignored. | |
967 | */ | |
968 | if (cmd == EVP_PKEY_CTRL_CIPHER) | |
969 | return -2; | |
7165593c | 970 | |
e683582b | 971 | # ifndef OPENSSL_NO_DH |
4fe54d67 NT |
972 | if (keytype == EVP_PKEY_DH) { |
973 | switch (cmd) { | |
974 | case EVP_PKEY_CTRL_DH_PAD: | |
975 | return EVP_PKEY_CTX_set_dh_pad(ctx, p1); | |
7165593c SL |
976 | case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN: |
977 | return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1); | |
978 | case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN: | |
979 | return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1); | |
980 | case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR: | |
981 | return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1); | |
982 | case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE: | |
983 | return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1); | |
984 | case EVP_PKEY_CTRL_DH_RFC5114: | |
985 | return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1); | |
4fe54d67 NT |
986 | } |
987 | } | |
988 | # endif | |
b03ec3b5 SL |
989 | # ifndef OPENSSL_NO_DSA |
990 | if (keytype == EVP_PKEY_DSA) { | |
991 | switch (cmd) { | |
992 | case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: | |
993 | return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1); | |
994 | case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: | |
995 | return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1); | |
996 | case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: | |
997 | return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2); | |
998 | } | |
999 | } | |
1000 | # endif | |
4fe54d67 NT |
1001 | # ifndef OPENSSL_NO_EC |
1002 | if (keytype == EVP_PKEY_EC) { | |
1003 | switch (cmd) { | |
10d756a7 RL |
1004 | case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID: |
1005 | return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1); | |
6f4b7663 RL |
1006 | case EVP_PKEY_CTRL_EC_ECDH_COFACTOR: |
1007 | if (p1 == -2) { | |
1008 | return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx); | |
1009 | } else if (p1 < -1 || p1 > 1) { | |
1010 | /* Uses the same return values as EVP_PKEY_CTX_ctrl */ | |
1011 | return -2; | |
1012 | } else { | |
1013 | return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1); | |
1014 | } | |
1015 | case EVP_PKEY_CTRL_EC_KDF_TYPE: | |
1016 | if (p1 == -2) { | |
1017 | return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx); | |
1018 | } else { | |
1019 | return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1); | |
1020 | } | |
1021 | case EVP_PKEY_CTRL_GET_EC_KDF_MD: | |
1022 | return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2); | |
1023 | case EVP_PKEY_CTRL_EC_KDF_MD: | |
1024 | return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2); | |
1025 | case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN: | |
1026 | return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2); | |
1027 | case EVP_PKEY_CTRL_EC_KDF_OUTLEN: | |
1028 | return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1); | |
1029 | case EVP_PKEY_CTRL_GET_EC_KDF_UKM: | |
1030 | return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2); | |
1031 | case EVP_PKEY_CTRL_EC_KDF_UKM: | |
1032 | return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1); | |
4fe54d67 NT |
1033 | } |
1034 | } | |
e683582b | 1035 | # endif |
2decdad3 RL |
1036 | if (keytype == EVP_PKEY_RSA) { |
1037 | switch (cmd) { | |
1038 | case EVP_PKEY_CTRL_RSA_OAEP_MD: | |
1039 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
1040 | case EVP_PKEY_CTRL_GET_RSA_OAEP_MD: | |
1041 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
1042 | case EVP_PKEY_CTRL_RSA_MGF1_MD: | |
1043 | return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2); | |
1044 | case EVP_PKEY_CTRL_RSA_OAEP_LABEL: | |
1045 | return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1); | |
1046 | case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL: | |
1047 | return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2); | |
1048 | case EVP_PKEY_CTRL_RSA_KEYGEN_BITS: | |
1049 | return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1); | |
1050 | case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP: | |
1051 | return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2); | |
1052 | case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES: | |
1053 | return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1); | |
1054 | } | |
1055 | } | |
1056 | /* | |
1057 | * keytype == -1 is used when several key types share the same structure, | |
1058 | * or for generic controls that are the same across multiple key types. | |
1059 | */ | |
4fe54d67 | 1060 | if (keytype == -1) { |
ac2d58c7 MC |
1061 | if (optype == EVP_PKEY_OP_DERIVE) { |
1062 | switch (cmd) { | |
05d2f72e | 1063 | /* TLS1-PRF */ |
ac2d58c7 MC |
1064 | case EVP_PKEY_CTRL_TLS_MD: |
1065 | return EVP_PKEY_CTX_set_tls1_prf_md(ctx, p2); | |
1066 | case EVP_PKEY_CTRL_TLS_SECRET: | |
1067 | return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx, p2, p1); | |
1068 | case EVP_PKEY_CTRL_TLS_SEED: | |
1069 | return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx, p2, p1); | |
05d2f72e MC |
1070 | |
1071 | /* HKDF */ | |
1072 | case EVP_PKEY_CTRL_HKDF_MD: | |
1073 | return EVP_PKEY_CTX_set_hkdf_md(ctx, p2); | |
1074 | case EVP_PKEY_CTRL_HKDF_SALT : | |
1075 | return EVP_PKEY_CTX_set1_hkdf_salt(ctx, p2, p1); | |
1076 | case EVP_PKEY_CTRL_HKDF_KEY: | |
1077 | return EVP_PKEY_CTX_set1_hkdf_key(ctx, p2, p1); | |
1078 | case EVP_PKEY_CTRL_HKDF_INFO: | |
1079 | return EVP_PKEY_CTX_add1_hkdf_info(ctx, p2, p1); | |
1080 | case EVP_PKEY_CTRL_HKDF_MODE: | |
1081 | return EVP_PKEY_CTX_hkdf_mode(ctx, p1); | |
ac2d58c7 MC |
1082 | } |
1083 | } | |
4fe54d67 | 1084 | switch (cmd) { |
6f4b7663 RL |
1085 | case EVP_PKEY_CTRL_MD: |
1086 | return EVP_PKEY_CTX_set_signature_md(ctx, p2); | |
1087 | case EVP_PKEY_CTRL_GET_MD: | |
1088 | return EVP_PKEY_CTX_get_signature_md(ctx, p2); | |
1089 | case EVP_PKEY_CTRL_RSA_PADDING: | |
1090 | return EVP_PKEY_CTX_set_rsa_padding(ctx, p1); | |
1091 | case EVP_PKEY_CTRL_GET_RSA_PADDING: | |
1092 | return EVP_PKEY_CTX_get_rsa_padding(ctx, p2); | |
6f4b7663 RL |
1093 | case EVP_PKEY_CTRL_GET_RSA_MGF1_MD: |
1094 | return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2); | |
6f4b7663 RL |
1095 | case EVP_PKEY_CTRL_RSA_PSS_SALTLEN: |
1096 | return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1); | |
1097 | case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN: | |
1098 | return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2); | |
1099 | case EVP_PKEY_CTRL_PKCS7_ENCRYPT: | |
1100 | case EVP_PKEY_CTRL_PKCS7_DECRYPT: | |
e683582b | 1101 | # ifndef OPENSSL_NO_CMS |
6f4b7663 RL |
1102 | case EVP_PKEY_CTRL_CMS_DECRYPT: |
1103 | case EVP_PKEY_CTRL_CMS_ENCRYPT: | |
e683582b | 1104 | # endif |
cc572c25 RL |
1105 | /* TODO (3.0) Temporary hack, this should probe */ |
1106 | if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS")) | |
6f4b7663 RL |
1107 | return 1; |
1108 | ERR_raise(ERR_LIB_EVP, | |
1109 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
1110 | return -2; | |
4fe54d67 | 1111 | } |
35aca9ec MC |
1112 | } |
1113 | return 0; | |
1114 | } | |
1115 | ||
0b6f3c66 | 1116 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, |
0f113f3e MC |
1117 | int cmd, int p1, void *p2) |
1118 | { | |
1119 | int ret; | |
4803717f | 1120 | |
35aca9ec MC |
1121 | if (ctx == NULL) { |
1122 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
1123 | return -2; | |
1124 | } | |
1125 | ||
864b89ce | 1126 | if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL) |
48bb9792 | 1127 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) |
2c938e2e MC |
1128 | && ctx->op.sig.sigprovctx != NULL) |
1129 | || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
62924755 RL |
1130 | && ctx->op.ciph.ciphprovctx != NULL) |
1131 | || (EVP_PKEY_CTX_IS_GEN_OP(ctx) | |
1132 | && ctx->op.keymgmt.genctx != NULL)) | |
35aca9ec MC |
1133 | return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2); |
1134 | ||
1135 | if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) { | |
0f113f3e MC |
1136 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); |
1137 | return -2; | |
1138 | } | |
1139 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) | |
1140 | return -1; | |
1141 | ||
4803717f PY |
1142 | /* Skip the operation checks since this is called in a very early stage */ |
1143 | if (ctx->pmeth->digest_custom != NULL) | |
1144 | goto doit; | |
1145 | ||
0f113f3e MC |
1146 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) { |
1147 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET); | |
1148 | return -1; | |
1149 | } | |
1150 | ||
1151 | if ((optype != -1) && !(ctx->operation & optype)) { | |
1152 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION); | |
1153 | return -1; | |
1154 | } | |
1155 | ||
4803717f | 1156 | doit: |
0f113f3e MC |
1157 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); |
1158 | ||
1159 | if (ret == -2) | |
1160 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
1161 | ||
1162 | return ret; | |
0f113f3e | 1163 | } |
0b6f3c66 | 1164 | |
cefa762e | 1165 | int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype, |
64bf1016 | 1166 | int cmd, uint64_t value) |
cefa762e JB |
1167 | { |
1168 | return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value); | |
1169 | } | |
1170 | ||
35aca9ec MC |
1171 | static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name, |
1172 | const char *value) | |
1173 | { | |
10d756a7 RL |
1174 | |
1175 | /* Special cases that we intercept */ | |
1176 | # ifndef OPENSSL_NO_EC | |
1177 | /* | |
1178 | * We don't support encoding settings for providers, i.e. the only | |
1179 | * possible encoding is "named_curve", so we simply fail when something | |
1180 | * else is given, and otherwise just pretend all is fine. | |
1181 | */ | |
1182 | if (strcmp(name, "ec_param_enc") == 0) { | |
1183 | if (strcmp(value, "named_curve") == 0) { | |
1184 | return 1; | |
1185 | } else { | |
1186 | ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED); | |
1187 | return -2; | |
1188 | } | |
1189 | } | |
1190 | # endif | |
1191 | ||
ac2d58c7 MC |
1192 | if (strcmp(name, "md") == 0) |
1193 | name = OSSL_ALG_PARAM_DIGEST; | |
1194 | else if (strcmp(name, "rsa_padding_mode") == 0) | |
972fa318 RL |
1195 | name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE; |
1196 | else if (strcmp(name, "rsa_mgf1_md") == 0) | |
1197 | name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST; | |
1198 | else if (strcmp(name, "rsa_oaep_md") == 0) | |
1199 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST; | |
1200 | else if (strcmp(name, "rsa_oaep_label") == 0) | |
1201 | name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL; | |
6f4b7663 RL |
1202 | else if (strcmp(name, "rsa_pss_saltlen") == 0) |
1203 | name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN; | |
2972af10 RL |
1204 | else if (strcmp(name, "rsa_keygen_bits") == 0) |
1205 | name = OSSL_PKEY_PARAM_RSA_BITS; | |
1206 | else if (strcmp(name, "rsa_keygen_pubexp") == 0) | |
1207 | name = OSSL_PKEY_PARAM_RSA_E; | |
1208 | else if (strcmp(name, "rsa_keygen_primes") == 0) | |
1209 | name = OSSL_PKEY_PARAM_RSA_PRIMES; | |
e25761b1 RL |
1210 | else if (strcmp(name, "rsa_pss_keygen_md") == 0) |
1211 | name = OSSL_PKEY_PARAM_RSA_DIGEST; | |
1212 | else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0) | |
1213 | name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST; | |
1214 | else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0) | |
1215 | name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN; | |
b03ec3b5 SL |
1216 | # ifndef OPENSSL_NO_DSA |
1217 | else if (strcmp(name, "dsa_paramgen_bits") == 0) | |
1218 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1219 | else if (strcmp(name, "dsa_paramgen_q_bits") == 0) | |
1220 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1221 | else if (strcmp(name, "dsa_paramgen_md") == 0) | |
1222 | name = OSSL_PKEY_PARAM_FFC_DIGEST; | |
1223 | # endif | |
e683582b | 1224 | # ifndef OPENSSL_NO_DH |
7165593c | 1225 | else if (strcmp(name, "dh_paramgen_generator") == 0) |
b8086652 | 1226 | name = OSSL_PKEY_PARAM_DH_GENERATOR; |
7165593c SL |
1227 | else if (strcmp(name, "dh_paramgen_prime_len") == 0) |
1228 | name = OSSL_PKEY_PARAM_FFC_PBITS; | |
1229 | else if (strcmp(name, "dh_paramgen_subprime_len") == 0) | |
1230 | name = OSSL_PKEY_PARAM_FFC_QBITS; | |
1231 | else if (strcmp(name, "dh_paramgen_type") == 0) { | |
1232 | name = OSSL_PKEY_PARAM_FFC_TYPE; | |
1233 | value = dh_gen_type_id2name(atoi(value)); | |
1234 | } else if (strcmp(name, "dh_param") == 0) | |
023b188c | 1235 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
7165593c | 1236 | else if (strcmp(name, "dh_rfc5114") == 0) { |
023b188c | 1237 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
7165593c SL |
1238 | value = ffc_named_group_from_uid(atoi(value)); |
1239 | } else if (strcmp(name, "dh_pad") == 0) | |
972fa318 | 1240 | name = OSSL_EXCHANGE_PARAM_PAD; |
e683582b | 1241 | # endif |
4fe54d67 | 1242 | # ifndef OPENSSL_NO_EC |
10d756a7 | 1243 | else if (strcmp(name, "ec_paramgen_curve") == 0) |
11a1b341 | 1244 | name = OSSL_PKEY_PARAM_GROUP_NAME; |
4fe54d67 NT |
1245 | else if (strcmp(name, "ecdh_cofactor_mode") == 0) |
1246 | name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE; | |
1247 | else if (strcmp(name, "ecdh_kdf_md") == 0) | |
f552d900 | 1248 | name = OSSL_EXCHANGE_PARAM_KDF_DIGEST; |
4fe54d67 | 1249 | # endif |
89abd1b6 | 1250 | |
972fa318 RL |
1251 | { |
1252 | /* | |
1253 | * TODO(3.0) reduce the code above to only translate known legacy | |
1254 | * string to the corresponding core name (see core_names.h), but | |
1255 | * otherwise leave it to this code block to do the actual work. | |
1256 | */ | |
1257 | const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx); | |
1258 | OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END }; | |
1259 | int rv = 0; | |
292c8bdc | 1260 | int exists = 0; |
89abd1b6 | 1261 | |
972fa318 | 1262 | if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value, |
292c8bdc P |
1263 | strlen(value), &exists)) { |
1264 | if (!exists) { | |
e25761b1 RL |
1265 | ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED, |
1266 | "name=%s,value=%s", name, value); | |
292c8bdc P |
1267 | return -2; |
1268 | } | |
89abd1b6 | 1269 | return 0; |
292c8bdc | 1270 | } |
972fa318 RL |
1271 | if (EVP_PKEY_CTX_set_params(ctx, params)) |
1272 | rv = 1; | |
1273 | OPENSSL_free(params[0].data); | |
1274 | return rv; | |
89abd1b6 | 1275 | } |
35aca9ec MC |
1276 | } |
1277 | ||
4a3dc3c0 | 1278 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, |
0f113f3e MC |
1279 | const char *name, const char *value) |
1280 | { | |
35aca9ec MC |
1281 | if (ctx == NULL) { |
1282 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED); | |
1283 | return -2; | |
1284 | } | |
1285 | ||
864b89ce MC |
1286 | if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL) |
1287 | || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) | |
2c938e2e MC |
1288 | && ctx->op.sig.sigprovctx != NULL) |
1289 | || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx) | |
62924755 RL |
1290 | && ctx->op.ciph.ciphprovctx != NULL) |
1291 | || (EVP_PKEY_CTX_IS_GEN_OP(ctx) | |
1292 | && ctx->op.keymgmt.genctx != NULL)) | |
35aca9ec MC |
1293 | return legacy_ctrl_str_to_param(ctx, name, value); |
1294 | ||
0f113f3e MC |
1295 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) { |
1296 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED); | |
1297 | return -2; | |
1298 | } | |
410877ba DSH |
1299 | if (strcmp(name, "digest") == 0) |
1300 | return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, | |
1301 | value); | |
0f113f3e MC |
1302 | return ctx->pmeth->ctrl_str(ctx, name, value); |
1303 | } | |
f5cda4cb | 1304 | |
99119000 DSH |
1305 | /* Utility functions to send a string of hex string to a ctrl */ |
1306 | ||
1307 | int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str) | |
1308 | { | |
1309 | size_t len; | |
1310 | ||
1311 | len = strlen(str); | |
1312 | if (len > INT_MAX) | |
1313 | return -1; | |
1314 | return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str); | |
1315 | } | |
1316 | ||
1317 | int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex) | |
1318 | { | |
1319 | unsigned char *bin; | |
1320 | long binlen; | |
1321 | int rv = -1; | |
1322 | ||
14f051a0 | 1323 | bin = OPENSSL_hexstr2buf(hex, &binlen); |
99119000 DSH |
1324 | if (bin == NULL) |
1325 | return 0; | |
1326 | if (binlen <= INT_MAX) | |
1327 | rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin); | |
1328 | OPENSSL_free(bin); | |
1329 | return rv; | |
1330 | } | |
52ad523c | 1331 | |
410877ba DSH |
1332 | /* Pass a message digest to a ctrl */ |
1333 | int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md) | |
1334 | { | |
1335 | const EVP_MD *m; | |
c82bafc5 | 1336 | |
410877ba DSH |
1337 | if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) { |
1338 | EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST); | |
1339 | return 0; | |
1340 | } | |
1341 | return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m); | |
1342 | } | |
99119000 | 1343 | |
b28dea4e | 1344 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1345 | { |
1346 | return ctx->operation; | |
1347 | } | |
b28dea4e DSH |
1348 | |
1349 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
0f113f3e MC |
1350 | { |
1351 | ctx->keygen_info = dat; | |
1352 | ctx->keygen_info_count = datlen; | |
1353 | } | |
b28dea4e | 1354 | |
f5cda4cb | 1355 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1356 | { |
1357 | ctx->data = data; | |
1358 | } | |
f5cda4cb | 1359 | |
9fdcc21f | 1360 | void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1361 | { |
1362 | return ctx->data; | |
1363 | } | |
f5cda4cb | 1364 | |
81cebb8b | 1365 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1366 | { |
1367 | return ctx->pkey; | |
1368 | } | |
81cebb8b | 1369 | |
0e1dba93 | 1370 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) |
0f113f3e MC |
1371 | { |
1372 | return ctx->peerkey; | |
1373 | } | |
1374 | ||
f5cda4cb | 1375 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) |
0f113f3e MC |
1376 | { |
1377 | ctx->app_data = data; | |
1378 | } | |
f5cda4cb DSH |
1379 | |
1380 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
0f113f3e MC |
1381 | { |
1382 | return ctx->app_data; | |
1383 | } | |
ba30bad5 DSH |
1384 | |
1385 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1386 | int (*init) (EVP_PKEY_CTX *ctx)) |
1387 | { | |
1388 | pmeth->init = init; | |
1389 | } | |
8bdcef40 DSH |
1390 | |
1391 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
0f113f3e | 1392 | int (*copy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 1393 | const EVP_PKEY_CTX *src)) |
0f113f3e MC |
1394 | { |
1395 | pmeth->copy = copy; | |
1396 | } | |
ba30bad5 DSH |
1397 | |
1398 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1399 | void (*cleanup) (EVP_PKEY_CTX *ctx)) |
1400 | { | |
1401 | pmeth->cleanup = cleanup; | |
1402 | } | |
ba30bad5 DSH |
1403 | |
1404 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1405 | int (*paramgen_init) (EVP_PKEY_CTX *ctx), |
1406 | int (*paramgen) (EVP_PKEY_CTX *ctx, | |
1407 | EVP_PKEY *pkey)) | |
1408 | { | |
1409 | pmeth->paramgen_init = paramgen_init; | |
1410 | pmeth->paramgen = paramgen; | |
1411 | } | |
ba30bad5 DSH |
1412 | |
1413 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1414 | int (*keygen_init) (EVP_PKEY_CTX *ctx), |
1415 | int (*keygen) (EVP_PKEY_CTX *ctx, | |
1416 | EVP_PKEY *pkey)) | |
1417 | { | |
1418 | pmeth->keygen_init = keygen_init; | |
1419 | pmeth->keygen = keygen; | |
1420 | } | |
ba30bad5 DSH |
1421 | |
1422 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1423 | int (*sign_init) (EVP_PKEY_CTX *ctx), |
1424 | int (*sign) (EVP_PKEY_CTX *ctx, | |
1425 | unsigned char *sig, size_t *siglen, | |
1426 | const unsigned char *tbs, | |
1427 | size_t tbslen)) | |
1428 | { | |
1429 | pmeth->sign_init = sign_init; | |
1430 | pmeth->sign = sign; | |
1431 | } | |
ba30bad5 DSH |
1432 | |
1433 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1434 | int (*verify_init) (EVP_PKEY_CTX *ctx), |
1435 | int (*verify) (EVP_PKEY_CTX *ctx, | |
1436 | const unsigned char *sig, | |
1437 | size_t siglen, | |
1438 | const unsigned char *tbs, | |
1439 | size_t tbslen)) | |
1440 | { | |
1441 | pmeth->verify_init = verify_init; | |
1442 | pmeth->verify = verify; | |
1443 | } | |
ba30bad5 DSH |
1444 | |
1445 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1446 | int (*verify_recover_init) (EVP_PKEY_CTX |
1447 | *ctx), | |
1448 | int (*verify_recover) (EVP_PKEY_CTX | |
1449 | *ctx, | |
1450 | unsigned char | |
1451 | *sig, | |
1452 | size_t *siglen, | |
1453 | const unsigned | |
1454 | char *tbs, | |
1455 | size_t tbslen)) | |
1456 | { | |
1457 | pmeth->verify_recover_init = verify_recover_init; | |
1458 | pmeth->verify_recover = verify_recover; | |
1459 | } | |
ba30bad5 DSH |
1460 | |
1461 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1462 | int (*signctx_init) (EVP_PKEY_CTX *ctx, |
1463 | EVP_MD_CTX *mctx), | |
1464 | int (*signctx) (EVP_PKEY_CTX *ctx, | |
1465 | unsigned char *sig, | |
1466 | size_t *siglen, | |
1467 | EVP_MD_CTX *mctx)) | |
1468 | { | |
1469 | pmeth->signctx_init = signctx_init; | |
1470 | pmeth->signctx = signctx; | |
1471 | } | |
ba30bad5 DSH |
1472 | |
1473 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1474 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, |
1475 | EVP_MD_CTX *mctx), | |
1476 | int (*verifyctx) (EVP_PKEY_CTX *ctx, | |
1477 | const unsigned char *sig, | |
1478 | int siglen, | |
1479 | EVP_MD_CTX *mctx)) | |
1480 | { | |
1481 | pmeth->verifyctx_init = verifyctx_init; | |
1482 | pmeth->verifyctx = verifyctx; | |
1483 | } | |
ba30bad5 DSH |
1484 | |
1485 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1486 | int (*encrypt_init) (EVP_PKEY_CTX *ctx), |
1487 | int (*encryptfn) (EVP_PKEY_CTX *ctx, | |
1488 | unsigned char *out, | |
1489 | size_t *outlen, | |
1490 | const unsigned char *in, | |
1491 | size_t inlen)) | |
1492 | { | |
1493 | pmeth->encrypt_init = encrypt_init; | |
1494 | pmeth->encrypt = encryptfn; | |
1495 | } | |
ba30bad5 DSH |
1496 | |
1497 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1498 | int (*decrypt_init) (EVP_PKEY_CTX *ctx), |
1499 | int (*decrypt) (EVP_PKEY_CTX *ctx, | |
1500 | unsigned char *out, | |
1501 | size_t *outlen, | |
1502 | const unsigned char *in, | |
1503 | size_t inlen)) | |
1504 | { | |
1505 | pmeth->decrypt_init = decrypt_init; | |
1506 | pmeth->decrypt = decrypt; | |
1507 | } | |
ba30bad5 DSH |
1508 | |
1509 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1510 | int (*derive_init) (EVP_PKEY_CTX *ctx), |
1511 | int (*derive) (EVP_PKEY_CTX *ctx, | |
1512 | unsigned char *key, | |
1513 | size_t *keylen)) | |
1514 | { | |
1515 | pmeth->derive_init = derive_init; | |
1516 | pmeth->derive = derive; | |
1517 | } | |
ba30bad5 DSH |
1518 | |
1519 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
0f113f3e MC |
1520 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
1521 | void *p2), | |
1522 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, | |
1523 | const char *type, | |
1524 | const char *value)) | |
1525 | { | |
1526 | pmeth->ctrl = ctrl; | |
1527 | pmeth->ctrl_str = ctrl_str; | |
1528 | } | |
e7451ed1 | 1529 | |
2555285f AH |
1530 | void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth, |
1531 | int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
1532 | const unsigned char *tbs, size_t tbslen)) | |
1533 | { | |
1534 | pmeth->digestsign = digestsign; | |
1535 | } | |
1536 | ||
1537 | void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth, | |
1538 | int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
1539 | size_t siglen, const unsigned char *tbs, | |
1540 | size_t tbslen)) | |
1541 | { | |
1542 | pmeth->digestverify = digestverify; | |
1543 | } | |
1544 | ||
2aee35d3 PY |
1545 | void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, |
1546 | int (*check) (EVP_PKEY *pkey)) | |
1547 | { | |
1548 | pmeth->check = check; | |
1549 | } | |
1550 | ||
b0004708 PY |
1551 | void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, |
1552 | int (*check) (EVP_PKEY *pkey)) | |
1553 | { | |
1554 | pmeth->public_check = check; | |
1555 | } | |
1556 | ||
1557 | void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, | |
1558 | int (*check) (EVP_PKEY *pkey)) | |
1559 | { | |
1560 | pmeth->param_check = check; | |
1561 | } | |
1562 | ||
0a8fdef7 PY |
1563 | void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth, |
1564 | int (*digest_custom) (EVP_PKEY_CTX *ctx, | |
1565 | EVP_MD_CTX *mctx)) | |
1566 | { | |
1567 | pmeth->digest_custom = digest_custom; | |
1568 | } | |
1569 | ||
693be9a2 | 1570 | void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1571 | int (**pinit) (EVP_PKEY_CTX *ctx)) |
1572 | { | |
1573 | *pinit = pmeth->init; | |
1574 | } | |
1575 | ||
693be9a2 | 1576 | void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 | 1577 | int (**pcopy) (EVP_PKEY_CTX *dst, |
9fdcc21f | 1578 | const EVP_PKEY_CTX *src)) |
e7451ed1 DSH |
1579 | { |
1580 | *pcopy = pmeth->copy; | |
1581 | } | |
1582 | ||
693be9a2 | 1583 | void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1584 | void (**pcleanup) (EVP_PKEY_CTX *ctx)) |
1585 | { | |
1586 | *pcleanup = pmeth->cleanup; | |
1587 | } | |
1588 | ||
693be9a2 | 1589 | void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1590 | int (**pparamgen_init) (EVP_PKEY_CTX *ctx), |
1591 | int (**pparamgen) (EVP_PKEY_CTX *ctx, | |
1592 | EVP_PKEY *pkey)) | |
1593 | { | |
1594 | if (pparamgen_init) | |
1595 | *pparamgen_init = pmeth->paramgen_init; | |
1596 | if (pparamgen) | |
1597 | *pparamgen = pmeth->paramgen; | |
1598 | } | |
1599 | ||
693be9a2 | 1600 | void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1601 | int (**pkeygen_init) (EVP_PKEY_CTX *ctx), |
1602 | int (**pkeygen) (EVP_PKEY_CTX *ctx, | |
1603 | EVP_PKEY *pkey)) | |
1604 | { | |
1605 | if (pkeygen_init) | |
1606 | *pkeygen_init = pmeth->keygen_init; | |
1607 | if (pkeygen) | |
1608 | *pkeygen = pmeth->keygen; | |
1609 | } | |
1610 | ||
693be9a2 | 1611 | void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1612 | int (**psign_init) (EVP_PKEY_CTX *ctx), |
1613 | int (**psign) (EVP_PKEY_CTX *ctx, | |
1614 | unsigned char *sig, size_t *siglen, | |
1615 | const unsigned char *tbs, | |
1616 | size_t tbslen)) | |
1617 | { | |
1618 | if (psign_init) | |
1619 | *psign_init = pmeth->sign_init; | |
1620 | if (psign) | |
1621 | *psign = pmeth->sign; | |
1622 | } | |
1623 | ||
693be9a2 | 1624 | void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1625 | int (**pverify_init) (EVP_PKEY_CTX *ctx), |
1626 | int (**pverify) (EVP_PKEY_CTX *ctx, | |
1627 | const unsigned char *sig, | |
1628 | size_t siglen, | |
1629 | const unsigned char *tbs, | |
1630 | size_t tbslen)) | |
1631 | { | |
1632 | if (pverify_init) | |
1633 | *pverify_init = pmeth->verify_init; | |
1634 | if (pverify) | |
1635 | *pverify = pmeth->verify; | |
1636 | } | |
1637 | ||
693be9a2 | 1638 | void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1639 | int (**pverify_recover_init) (EVP_PKEY_CTX |
1640 | *ctx), | |
1641 | int (**pverify_recover) (EVP_PKEY_CTX | |
1642 | *ctx, | |
1643 | unsigned char | |
1644 | *sig, | |
1645 | size_t *siglen, | |
1646 | const unsigned | |
1647 | char *tbs, | |
1648 | size_t tbslen)) | |
1649 | { | |
1650 | if (pverify_recover_init) | |
1651 | *pverify_recover_init = pmeth->verify_recover_init; | |
1652 | if (pverify_recover) | |
1653 | *pverify_recover = pmeth->verify_recover; | |
1654 | } | |
1655 | ||
693be9a2 | 1656 | void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1657 | int (**psignctx_init) (EVP_PKEY_CTX *ctx, |
1658 | EVP_MD_CTX *mctx), | |
1659 | int (**psignctx) (EVP_PKEY_CTX *ctx, | |
1660 | unsigned char *sig, | |
1661 | size_t *siglen, | |
1662 | EVP_MD_CTX *mctx)) | |
1663 | { | |
1664 | if (psignctx_init) | |
1665 | *psignctx_init = pmeth->signctx_init; | |
1666 | if (psignctx) | |
1667 | *psignctx = pmeth->signctx; | |
1668 | } | |
1669 | ||
693be9a2 | 1670 | void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1671 | int (**pverifyctx_init) (EVP_PKEY_CTX *ctx, |
1672 | EVP_MD_CTX *mctx), | |
1673 | int (**pverifyctx) (EVP_PKEY_CTX *ctx, | |
1674 | const unsigned char *sig, | |
1675 | int siglen, | |
1676 | EVP_MD_CTX *mctx)) | |
1677 | { | |
1678 | if (pverifyctx_init) | |
1679 | *pverifyctx_init = pmeth->verifyctx_init; | |
1680 | if (pverifyctx) | |
1681 | *pverifyctx = pmeth->verifyctx; | |
1682 | } | |
1683 | ||
693be9a2 | 1684 | void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1685 | int (**pencrypt_init) (EVP_PKEY_CTX *ctx), |
1686 | int (**pencryptfn) (EVP_PKEY_CTX *ctx, | |
1687 | unsigned char *out, | |
1688 | size_t *outlen, | |
1689 | const unsigned char *in, | |
1690 | size_t inlen)) | |
1691 | { | |
1692 | if (pencrypt_init) | |
1693 | *pencrypt_init = pmeth->encrypt_init; | |
1694 | if (pencryptfn) | |
1695 | *pencryptfn = pmeth->encrypt; | |
1696 | } | |
1697 | ||
693be9a2 | 1698 | void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1699 | int (**pdecrypt_init) (EVP_PKEY_CTX *ctx), |
1700 | int (**pdecrypt) (EVP_PKEY_CTX *ctx, | |
1701 | unsigned char *out, | |
1702 | size_t *outlen, | |
1703 | const unsigned char *in, | |
1704 | size_t inlen)) | |
1705 | { | |
1706 | if (pdecrypt_init) | |
1707 | *pdecrypt_init = pmeth->decrypt_init; | |
1708 | if (pdecrypt) | |
1709 | *pdecrypt = pmeth->decrypt; | |
1710 | } | |
1711 | ||
693be9a2 | 1712 | void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1713 | int (**pderive_init) (EVP_PKEY_CTX *ctx), |
1714 | int (**pderive) (EVP_PKEY_CTX *ctx, | |
1715 | unsigned char *key, | |
1716 | size_t *keylen)) | |
1717 | { | |
1718 | if (pderive_init) | |
1719 | *pderive_init = pmeth->derive_init; | |
1720 | if (pderive) | |
1721 | *pderive = pmeth->derive; | |
1722 | } | |
1723 | ||
693be9a2 | 1724 | void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth, |
e7451ed1 DSH |
1725 | int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1, |
1726 | void *p2), | |
1727 | int (**pctrl_str) (EVP_PKEY_CTX *ctx, | |
1728 | const char *type, | |
1729 | const char *value)) | |
1730 | { | |
1731 | if (pctrl) | |
1732 | *pctrl = pmeth->ctrl; | |
1733 | if (pctrl_str) | |
1734 | *pctrl_str = pmeth->ctrl_str; | |
1735 | } | |
2aee35d3 | 1736 | |
2555285f AH |
1737 | void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth, |
1738 | int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, | |
1739 | const unsigned char *tbs, size_t tbslen)) | |
1740 | { | |
1741 | if (digestsign) | |
1742 | *digestsign = pmeth->digestsign; | |
1743 | } | |
1744 | ||
1745 | void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth, | |
1746 | int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, | |
1747 | size_t siglen, const unsigned char *tbs, | |
1748 | size_t tbslen)) | |
1749 | { | |
1750 | if (digestverify) | |
1751 | *digestverify = pmeth->digestverify; | |
1752 | } | |
1753 | ||
693be9a2 | 1754 | void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth, |
2aee35d3 PY |
1755 | int (**pcheck) (EVP_PKEY *pkey)) |
1756 | { | |
34f5c8b1 | 1757 | if (pcheck != NULL) |
2aee35d3 PY |
1758 | *pcheck = pmeth->check; |
1759 | } | |
b0004708 | 1760 | |
693be9a2 | 1761 | void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
1762 | int (**pcheck) (EVP_PKEY *pkey)) |
1763 | { | |
34f5c8b1 | 1764 | if (pcheck != NULL) |
b0004708 PY |
1765 | *pcheck = pmeth->public_check; |
1766 | } | |
1767 | ||
693be9a2 | 1768 | void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth, |
b0004708 PY |
1769 | int (**pcheck) (EVP_PKEY *pkey)) |
1770 | { | |
34f5c8b1 | 1771 | if (pcheck != NULL) |
b0004708 PY |
1772 | *pcheck = pmeth->param_check; |
1773 | } | |
0a8fdef7 PY |
1774 | |
1775 | void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth, | |
1776 | int (**pdigest_custom) (EVP_PKEY_CTX *ctx, | |
1777 | EVP_MD_CTX *mctx)) | |
1778 | { | |
675f4cee | 1779 | if (pdigest_custom != NULL) |
0a8fdef7 PY |
1780 | *pdigest_custom = pmeth->digest_custom; |
1781 | } | |
e683582b | 1782 | |
f844f9eb | 1783 | #endif /* FIPS_MODULE */ |