2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
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
10 #include <openssl/crypto.h>
11 #include <openssl/core_numbers.h>
12 #include <openssl/evp.h>
13 #include <openssl/err.h>
14 #include "internal/provider.h"
15 #include "internal/refcount.h"
16 #include "crypto/evp.h"
17 #include "evp_local.h"
20 static void *keymgmt_new(void)
22 EVP_KEYMGMT *keymgmt = NULL;
24 if ((keymgmt = OPENSSL_zalloc(sizeof(*keymgmt))) == NULL
25 || (keymgmt->lock = CRYPTO_THREAD_lock_new()) == NULL) {
26 EVP_KEYMGMT_free(keymgmt);
27 EVPerr(0, ERR_R_MALLOC_FAILURE);
36 static void *keymgmt_from_dispatch(int name_id,
37 const OSSL_DISPATCH *fns,
40 EVP_KEYMGMT *keymgmt = NULL;
42 if ((keymgmt = keymgmt_new()) == NULL) {
43 EVP_KEYMGMT_free(keymgmt);
46 keymgmt->name_id = name_id;
48 for (; fns->function_id != 0; fns++) {
49 switch (fns->function_id) {
50 case OSSL_FUNC_KEYMGMT_IMPORTDOMPARAMS:
51 if (keymgmt->importdomparams != NULL)
53 keymgmt->importdomparams =
54 OSSL_get_OP_keymgmt_importdomparams(fns);
56 case OSSL_FUNC_KEYMGMT_GENDOMPARAMS:
57 if (keymgmt->gendomparams != NULL)
59 keymgmt->gendomparams = OSSL_get_OP_keymgmt_gendomparams(fns);
61 case OSSL_FUNC_KEYMGMT_FREEDOMPARAMS:
62 if (keymgmt->freedomparams != NULL)
64 keymgmt->freedomparams = OSSL_get_OP_keymgmt_freedomparams(fns);
66 case OSSL_FUNC_KEYMGMT_EXPORTDOMPARAMS:
67 if (keymgmt->exportdomparams != NULL)
69 keymgmt->exportdomparams =
70 OSSL_get_OP_keymgmt_exportdomparams(fns);
72 case OSSL_FUNC_KEYMGMT_IMPORTDOMPARAM_TYPES:
73 if (keymgmt->importdomparam_types != NULL)
75 keymgmt->importdomparam_types =
76 OSSL_get_OP_keymgmt_importdomparam_types(fns);
78 case OSSL_FUNC_KEYMGMT_EXPORTDOMPARAM_TYPES:
79 if (keymgmt->exportdomparam_types != NULL)
81 keymgmt->exportdomparam_types =
82 OSSL_get_OP_keymgmt_exportdomparam_types(fns);
84 case OSSL_FUNC_KEYMGMT_GET_DOMPARAM_PARAMS:
85 if (keymgmt->get_domparam_params == NULL)
86 keymgmt->get_domparam_params =
87 OSSL_get_OP_keymgmt_get_domparam_params(fns);
89 case OSSL_FUNC_KEYMGMT_GETTABLE_DOMPARAM_PARAMS:
90 if (keymgmt->gettable_domparam_params == NULL)
91 keymgmt->gettable_domparam_params =
92 OSSL_get_OP_keymgmt_gettable_domparam_params(fns);
94 case OSSL_FUNC_KEYMGMT_IMPORTKEY:
95 if (keymgmt->importkey != NULL)
97 keymgmt->importkey = OSSL_get_OP_keymgmt_importkey(fns);
99 case OSSL_FUNC_KEYMGMT_GENKEY:
100 if (keymgmt->genkey != NULL)
102 keymgmt->genkey = OSSL_get_OP_keymgmt_genkey(fns);
104 case OSSL_FUNC_KEYMGMT_LOADKEY:
105 if (keymgmt->loadkey != NULL)
107 keymgmt->loadkey = OSSL_get_OP_keymgmt_loadkey(fns);
109 case OSSL_FUNC_KEYMGMT_FREEKEY:
110 if (keymgmt->freekey != NULL)
112 keymgmt->freekey = OSSL_get_OP_keymgmt_freekey(fns);
114 case OSSL_FUNC_KEYMGMT_EXPORTKEY:
115 if (keymgmt->exportkey != NULL)
117 keymgmt->exportkey = OSSL_get_OP_keymgmt_exportkey(fns);
119 case OSSL_FUNC_KEYMGMT_IMPORTKEY_TYPES:
120 if (keymgmt->importkey_types != NULL)
122 keymgmt->importkey_types =
123 OSSL_get_OP_keymgmt_importkey_types(fns);
125 case OSSL_FUNC_KEYMGMT_EXPORTKEY_TYPES:
126 if (keymgmt->exportkey_types != NULL)
128 keymgmt->exportkey_types =
129 OSSL_get_OP_keymgmt_exportkey_types(fns);
131 case OSSL_FUNC_KEYMGMT_GET_KEY_PARAMS:
132 if (keymgmt->get_key_params == NULL)
133 keymgmt->get_key_params =
134 OSSL_get_OP_keymgmt_get_key_params(fns);
136 case OSSL_FUNC_KEYMGMT_GETTABLE_KEY_PARAMS:
137 if (keymgmt->gettable_key_params == NULL)
138 keymgmt->gettable_key_params =
139 OSSL_get_OP_keymgmt_gettable_key_params(fns);
141 case OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME:
142 if (keymgmt->query_operation_name != NULL)
144 keymgmt->query_operation_name =
145 OSSL_get_OP_keymgmt_query_operation_name(fns);
147 case OSSL_FUNC_KEYMGMT_VALIDATE_DOMPARAMS:
148 if (keymgmt->validatedomparams != NULL)
150 keymgmt->validatedomparams =
151 OSSL_get_OP_keymgmt_validate_domparams(fns);
153 case OSSL_FUNC_KEYMGMT_VALIDATE_PUBLIC:
154 if (keymgmt->validatepublic != NULL)
156 keymgmt->validatepublic =
157 OSSL_get_OP_keymgmt_validate_public(fns);
159 case OSSL_FUNC_KEYMGMT_VALIDATE_PRIVATE:
160 if (keymgmt->validateprivate != NULL)
162 keymgmt->validateprivate =
163 OSSL_get_OP_keymgmt_validate_private(fns);
165 case OSSL_FUNC_KEYMGMT_VALIDATE_PAIRWISE:
166 if (keymgmt->validatepairwise != NULL)
168 keymgmt->validatepairwise =
169 OSSL_get_OP_keymgmt_validate_pairwise(fns);
174 * Try to check that the method is sensible.
175 * It makes no sense being able to free stuff if you can't create it.
176 * It makes no sense providing OSSL_PARAM descriptors for import and
177 * export if you can't import or export.
179 if ((keymgmt->freedomparams != NULL
180 && (keymgmt->importdomparams == NULL
181 && keymgmt->gendomparams == NULL))
182 || (keymgmt->freekey != NULL
183 && (keymgmt->importkey == NULL
184 && keymgmt->genkey == NULL
185 && keymgmt->loadkey == NULL))
186 || (keymgmt->importdomparam_types != NULL
187 && keymgmt->importdomparams == NULL)
188 || (keymgmt->exportdomparam_types != NULL
189 && keymgmt->exportdomparams == NULL)
190 || (keymgmt->gettable_domparam_params != NULL
191 && keymgmt->get_domparam_params == NULL)
192 || (keymgmt->importkey_types != NULL
193 && keymgmt->importkey == NULL)
194 || (keymgmt->exportkey_types != NULL
195 && keymgmt->exportkey == NULL)
196 || (keymgmt->gettable_key_params != NULL
197 && keymgmt->get_key_params == NULL)) {
198 EVP_KEYMGMT_free(keymgmt);
199 EVPerr(0, EVP_R_INVALID_PROVIDER_FUNCTIONS);
202 keymgmt->prov = prov;
204 ossl_provider_up_ref(prov);
209 EVP_KEYMGMT *evp_keymgmt_fetch_by_number(OPENSSL_CTX *ctx, int name_id,
210 const char *properties)
212 return evp_generic_fetch_by_number(ctx,
213 OSSL_OP_KEYMGMT, name_id, properties,
214 keymgmt_from_dispatch,
215 (int (*)(void *))EVP_KEYMGMT_up_ref,
216 (void (*)(void *))EVP_KEYMGMT_free);
219 EVP_KEYMGMT *EVP_KEYMGMT_fetch(OPENSSL_CTX *ctx, const char *algorithm,
220 const char *properties)
222 return evp_generic_fetch(ctx, OSSL_OP_KEYMGMT, algorithm, properties,
223 keymgmt_from_dispatch,
224 (int (*)(void *))EVP_KEYMGMT_up_ref,
225 (void (*)(void *))EVP_KEYMGMT_free);
228 int EVP_KEYMGMT_up_ref(EVP_KEYMGMT *keymgmt)
232 CRYPTO_UP_REF(&keymgmt->refcnt, &ref, keymgmt->lock);
236 void EVP_KEYMGMT_free(EVP_KEYMGMT *keymgmt)
243 CRYPTO_DOWN_REF(&keymgmt->refcnt, &ref, keymgmt->lock);
246 ossl_provider_free(keymgmt->prov);
247 CRYPTO_THREAD_lock_free(keymgmt->lock);
248 OPENSSL_free(keymgmt);
251 const OSSL_PROVIDER *EVP_KEYMGMT_provider(const EVP_KEYMGMT *keymgmt)
253 return keymgmt->prov;
256 int EVP_KEYMGMT_number(const EVP_KEYMGMT *keymgmt)
258 return keymgmt->name_id;
261 int EVP_KEYMGMT_is_a(const EVP_KEYMGMT *keymgmt, const char *name)
263 return evp_is_a(keymgmt->prov, keymgmt->name_id, NULL, name);
266 void EVP_KEYMGMT_do_all_provided(OPENSSL_CTX *libctx,
267 void (*fn)(EVP_KEYMGMT *keymgmt, void *arg),
270 evp_generic_do_all(libctx, OSSL_OP_KEYMGMT,
271 (void (*)(void *, void *))fn, arg,
272 keymgmt_from_dispatch,
273 (void (*)(void *))EVP_KEYMGMT_free);
276 void EVP_KEYMGMT_names_do_all(const EVP_KEYMGMT *keymgmt,
277 void (*fn)(const char *name, void *data),
280 if (keymgmt->prov != NULL)
281 evp_names_do_all(keymgmt->prov, keymgmt->name_id, fn, data);
285 * Internal API that interfaces with the method function pointers
287 void *evp_keymgmt_importdomparams(const EVP_KEYMGMT *keymgmt,
288 const OSSL_PARAM params[])
290 void *provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(keymgmt));
292 return keymgmt->importdomparams(provctx, params);
295 void *evp_keymgmt_gendomparams(const EVP_KEYMGMT *keymgmt,
296 const OSSL_PARAM params[])
298 void *provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(keymgmt));
300 return keymgmt->gendomparams(provctx, params);
303 void evp_keymgmt_freedomparams(const EVP_KEYMGMT *keymgmt,
306 keymgmt->freedomparams(provdomparams);
309 int evp_keymgmt_exportdomparams(const EVP_KEYMGMT *keymgmt,
311 OSSL_CALLBACK *param_cb, void *cbarg)
313 return keymgmt->exportdomparams(provdomparams, param_cb, cbarg);
316 const OSSL_PARAM *evp_keymgmt_importdomparam_types(const EVP_KEYMGMT *keymgmt)
318 return keymgmt->importdomparam_types();
322 * TODO(v3.0) investigate if we need this function. 'openssl provider' may
325 const OSSL_PARAM *evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT *keymgmt)
327 return keymgmt->exportdomparam_types();
330 int evp_keymgmt_get_domparam_params(const EVP_KEYMGMT *keymgmt,
331 void *provdomparams, OSSL_PARAM params[])
333 if (keymgmt->get_domparam_params == NULL)
335 return keymgmt->get_domparam_params(provdomparams, params);
339 evp_keymgmt_gettable_domparam_params(const EVP_KEYMGMT *keymgmt)
341 if (keymgmt->gettable_domparam_params == NULL)
343 return keymgmt->gettable_domparam_params();
347 void *evp_keymgmt_importkey(const EVP_KEYMGMT *keymgmt,
348 const OSSL_PARAM params[])
350 void *provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(keymgmt));
352 return keymgmt->importkey(provctx, params);
355 void *evp_keymgmt_genkey(const EVP_KEYMGMT *keymgmt, void *domparams,
356 const OSSL_PARAM params[])
358 void *provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(keymgmt));
360 return keymgmt->genkey(provctx, domparams, params);
363 void *evp_keymgmt_loadkey(const EVP_KEYMGMT *keymgmt,
364 void *id, size_t idlen)
366 void *provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(keymgmt));
368 return keymgmt->loadkey(provctx, id, idlen);
371 void evp_keymgmt_freekey(const EVP_KEYMGMT *keymgmt, void *provkey)
373 keymgmt->freekey(provkey);
376 int evp_keymgmt_exportkey(const EVP_KEYMGMT *keymgmt, void *provkey,
377 OSSL_CALLBACK *param_cb, void *cbarg)
379 return keymgmt->exportkey(provkey, param_cb, cbarg);
382 const OSSL_PARAM *evp_keymgmt_importkey_types(const EVP_KEYMGMT *keymgmt)
384 return keymgmt->importkey_types();
388 * TODO(v3.0) investigate if we need this function. 'openssl provider' may
391 const OSSL_PARAM *evp_keymgmt_exportkey_types(const EVP_KEYMGMT *keymgmt)
393 return keymgmt->exportkey_types();
396 int evp_keymgmt_get_key_params(const EVP_KEYMGMT *keymgmt,
397 void *provkey, OSSL_PARAM params[])
399 if (keymgmt->get_key_params == NULL)
401 return keymgmt->get_key_params(provkey, params);
404 const OSSL_PARAM *evp_keymgmt_gettable_key_params(const EVP_KEYMGMT *keymgmt)
406 if (keymgmt->gettable_key_params == NULL)
408 return keymgmt->gettable_key_params();
411 int evp_keymgmt_validate_domparams(const EVP_KEYMGMT *keymgmt, void *provkey)
413 /* if domainparams are not supported - then pass */
414 if (keymgmt->validatedomparams == NULL)
416 return keymgmt->validatedomparams(provkey);
419 int evp_keymgmt_validate_public(const EVP_KEYMGMT *keymgmt, void *provkey)
421 return keymgmt->validatepublic(provkey);
424 int evp_keymgmt_validate_private(const EVP_KEYMGMT *keymgmt, void *provkey)
426 return keymgmt->validateprivate(provkey);
429 int evp_keymgmt_validate_pairwise(const EVP_KEYMGMT *keymgmt, void *provkey)
431 return keymgmt->validatepairwise(provkey);