2 * Copyright 2019-2020 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
11 * DH low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include <string.h> /* strcmp */
17 #include <openssl/core_dispatch.h>
18 #include <openssl/core_names.h>
19 #include <openssl/bn.h>
20 #include <openssl/err.h>
21 #include "prov/implementations.h"
22 #include "prov/providercommon.h"
23 #include "prov/provider_ctx.h"
24 #include "crypto/dh.h"
25 #include "internal/sizes.h"
27 static OSSL_FUNC_keymgmt_new_fn dh_newdata;
28 static OSSL_FUNC_keymgmt_free_fn dh_freedata;
29 static OSSL_FUNC_keymgmt_gen_init_fn dh_gen_init;
30 static OSSL_FUNC_keymgmt_gen_init_fn dhx_gen_init;
31 static OSSL_FUNC_keymgmt_gen_set_template_fn dh_gen_set_template;
32 static OSSL_FUNC_keymgmt_gen_set_params_fn dh_gen_set_params;
33 static OSSL_FUNC_keymgmt_gen_settable_params_fn dh_gen_settable_params;
34 static OSSL_FUNC_keymgmt_gen_fn dh_gen;
35 static OSSL_FUNC_keymgmt_gen_cleanup_fn dh_gen_cleanup;
36 static OSSL_FUNC_keymgmt_load_fn dh_load;
37 static OSSL_FUNC_keymgmt_get_params_fn dh_get_params;
38 static OSSL_FUNC_keymgmt_gettable_params_fn dh_gettable_params;
39 static OSSL_FUNC_keymgmt_set_params_fn dh_set_params;
40 static OSSL_FUNC_keymgmt_settable_params_fn dh_settable_params;
41 static OSSL_FUNC_keymgmt_has_fn dh_has;
42 static OSSL_FUNC_keymgmt_match_fn dh_match;
43 static OSSL_FUNC_keymgmt_validate_fn dh_validate;
44 static OSSL_FUNC_keymgmt_import_fn dh_import;
45 static OSSL_FUNC_keymgmt_import_types_fn dh_import_types;
46 static OSSL_FUNC_keymgmt_export_fn dh_export;
47 static OSSL_FUNC_keymgmt_export_types_fn dh_export_types;
49 #define DH_POSSIBLE_SELECTIONS \
50 (OSSL_KEYMGMT_SELECT_KEYPAIR | OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS)
55 FFC_PARAMS *ffc_params;
57 /* All these parameters are used for parameter generation only */
58 /* If there is a group name then the remaining parameters are not needed */
62 unsigned char *seed; /* optional FIPS186-4 param for testing */
64 int gindex; /* optional FIPS186-4 generator index (ignored if -1) */
65 int gen_type; /* see dhtype2id */
66 int generator; /* Used by DH_PARAMGEN_TYPE_GENERATOR in non fips mode only */
78 static int dh_gen_type_name2id_w_default(const char *name, int type)
80 if (strcmp(name, "default") == 0) {
82 if (type == DH_FLAG_TYPE_DHX)
83 return DH_PARAMGEN_TYPE_FIPS_186_4;
85 return DH_PARAMGEN_TYPE_GROUP;
87 if (type == DH_FLAG_TYPE_DHX)
88 return DH_PARAMGEN_TYPE_FIPS_186_2;
90 return DH_PARAMGEN_TYPE_GENERATOR;
94 return dh_gen_type_name2id(name);
97 static void *dh_newdata(void *provctx)
101 if (ossl_prov_is_running()) {
102 dh = dh_new_ex(PROV_LIBCTX_OF(provctx));
104 DH_clear_flags(dh, DH_FLAG_TYPE_MASK);
105 DH_set_flags(dh, DH_FLAG_TYPE_DH);
111 static void *dhx_newdata(void *provctx)
115 dh = dh_new_ex(PROV_LIBCTX_OF(provctx));
117 DH_clear_flags(dh, DH_FLAG_TYPE_MASK);
118 DH_set_flags(dh, DH_FLAG_TYPE_DHX);
123 static void dh_freedata(void *keydata)
128 static int dh_has(const void *keydata, int selection)
130 const DH *dh = keydata;
133 if (ossl_prov_is_running() && dh != NULL) {
134 if ((selection & DH_POSSIBLE_SELECTIONS) != 0)
137 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
138 ok = ok && (DH_get0_pub_key(dh) != NULL);
139 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
140 ok = ok && (DH_get0_priv_key(dh) != NULL);
141 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
142 ok = ok && (DH_get0_p(dh) != NULL && DH_get0_g(dh) != NULL);
147 static int dh_match(const void *keydata1, const void *keydata2, int selection)
149 const DH *dh1 = keydata1;
150 const DH *dh2 = keydata2;
153 if (!ossl_prov_is_running())
156 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
157 ok = ok && BN_cmp(DH_get0_pub_key(dh1), DH_get0_pub_key(dh2)) == 0;
158 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
159 ok = ok && BN_cmp(DH_get0_priv_key(dh1), DH_get0_priv_key(dh2)) == 0;
160 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
161 FFC_PARAMS *dhparams1 = dh_get0_params((DH *)dh1);
162 FFC_PARAMS *dhparams2 = dh_get0_params((DH *)dh2);
164 ok = ok && ossl_ffc_params_cmp(dhparams1, dhparams2, 1);
169 static int dh_import(void *keydata, int selection, const OSSL_PARAM params[])
174 if (!ossl_prov_is_running() || dh == NULL)
177 if ((selection & DH_POSSIBLE_SELECTIONS) == 0)
180 if ((selection & OSSL_KEYMGMT_SELECT_ALL_PARAMETERS) != 0)
181 ok = ok && dh_params_fromdata(dh, params);
183 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
184 ok = ok && dh_key_fromdata(dh, params);
189 static int dh_export(void *keydata, int selection, OSSL_CALLBACK *param_cb,
193 OSSL_PARAM_BLD *tmpl = NULL;
194 OSSL_PARAM *params = NULL;
197 if (!ossl_prov_is_running() || dh == NULL)
200 tmpl = OSSL_PARAM_BLD_new();
204 if ((selection & OSSL_KEYMGMT_SELECT_ALL_PARAMETERS) != 0)
205 ok = ok && dh_params_todata(dh, tmpl, NULL);
206 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
207 ok = ok && dh_key_todata(dh, tmpl, NULL);
210 || (params = OSSL_PARAM_BLD_to_param(tmpl)) == NULL) {
214 ok = param_cb(params, cbarg);
215 OSSL_PARAM_BLD_free_params(params);
217 OSSL_PARAM_BLD_free(tmpl);
221 /* IMEXPORT = IMPORT + EXPORT */
223 # define DH_IMEXPORTABLE_PARAMETERS \
224 OSSL_PARAM_BN(OSSL_PKEY_PARAM_FFC_P, NULL, 0), \
225 OSSL_PARAM_BN(OSSL_PKEY_PARAM_FFC_Q, NULL, 0), \
226 OSSL_PARAM_BN(OSSL_PKEY_PARAM_FFC_G, NULL, 0), \
227 OSSL_PARAM_BN(OSSL_PKEY_PARAM_FFC_COFACTOR, NULL, 0), \
228 OSSL_PARAM_int(OSSL_PKEY_PARAM_FFC_GINDEX, NULL), \
229 OSSL_PARAM_int(OSSL_PKEY_PARAM_FFC_PCOUNTER, NULL), \
230 OSSL_PARAM_int(OSSL_PKEY_PARAM_FFC_H, NULL), \
231 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_FFC_SEED, NULL, 0), \
232 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0), \
233 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DH_PRIV_LEN, NULL, 0)
234 # define DH_IMEXPORTABLE_PUBLIC_KEY \
235 OSSL_PARAM_BN(OSSL_PKEY_PARAM_PUB_KEY, NULL, 0)
236 # define DH_IMEXPORTABLE_PRIVATE_KEY \
237 OSSL_PARAM_BN(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0)
238 static const OSSL_PARAM dh_all_types[] = {
239 DH_IMEXPORTABLE_PARAMETERS,
240 DH_IMEXPORTABLE_PUBLIC_KEY,
241 DH_IMEXPORTABLE_PRIVATE_KEY,
244 static const OSSL_PARAM dh_parameter_types[] = {
245 DH_IMEXPORTABLE_PARAMETERS,
248 static const OSSL_PARAM dh_key_types[] = {
249 DH_IMEXPORTABLE_PUBLIC_KEY,
250 DH_IMEXPORTABLE_PRIVATE_KEY,
253 static const OSSL_PARAM *dh_types[] = {
254 NULL, /* Index 0 = none of them */
255 dh_parameter_types, /* Index 1 = parameter types */
256 dh_key_types, /* Index 2 = key types */
257 dh_all_types /* Index 3 = 1 + 2 */
260 static const OSSL_PARAM *dh_imexport_types(int selection)
264 if ((selection & OSSL_KEYMGMT_SELECT_ALL_PARAMETERS) != 0)
266 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
268 return dh_types[type_select];
271 static const OSSL_PARAM *dh_import_types(int selection)
273 return dh_imexport_types(selection);
276 static const OSSL_PARAM *dh_export_types(int selection)
278 return dh_imexport_types(selection);
281 static ossl_inline int dh_get_params(void *key, OSSL_PARAM params[])
286 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
287 && !OSSL_PARAM_set_int(p, DH_bits(dh)))
289 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_SECURITY_BITS)) != NULL
290 && !OSSL_PARAM_set_int(p, DH_security_bits(dh)))
292 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MAX_SIZE)) != NULL
293 && !OSSL_PARAM_set_int(p, DH_size(dh)))
295 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY)) != NULL) {
296 if (p->data_type != OSSL_PARAM_OCTET_STRING)
298 p->return_size = dh_key2buf(dh, (unsigned char **)&p->data,
300 if (p->return_size == 0)
304 return dh_params_todata(dh, NULL, params)
305 && dh_key_todata(dh, NULL, params);
308 static const OSSL_PARAM dh_params[] = {
309 OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
310 OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
311 OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
312 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
313 DH_IMEXPORTABLE_PARAMETERS,
314 DH_IMEXPORTABLE_PUBLIC_KEY,
315 DH_IMEXPORTABLE_PRIVATE_KEY,
319 static const OSSL_PARAM *dh_gettable_params(void *provctx)
324 static const OSSL_PARAM dh_known_settable_params[] = {
325 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
329 static const OSSL_PARAM *dh_settable_params(void *provctx)
331 return dh_known_settable_params;
334 static int dh_set_params(void *key, const OSSL_PARAM params[])
339 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY);
341 && (p->data_type != OSSL_PARAM_OCTET_STRING
342 || !dh_buf2key(dh, p->data, p->data_size)))
348 static int dh_validate_public(const DH *dh)
350 const BIGNUM *pub_key = NULL;
352 DH_get0_key(dh, &pub_key, NULL);
355 return DH_check_pub_key_ex(dh, pub_key);
358 static int dh_validate_private(const DH *dh)
361 const BIGNUM *priv_key = NULL;
363 DH_get0_key(dh, NULL, &priv_key);
364 if (priv_key == NULL)
366 return dh_check_priv_key(dh, priv_key, &status);;
369 static int dh_validate(const void *keydata, int selection)
371 const DH *dh = keydata;
374 if (!ossl_prov_is_running())
377 if ((selection & DH_POSSIBLE_SELECTIONS) != 0)
380 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
381 ok = ok && DH_check_params_ex(dh);
383 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
384 ok = ok && dh_validate_public(dh);
386 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
387 ok = ok && dh_validate_private(dh);
389 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR)
390 == OSSL_KEYMGMT_SELECT_KEYPAIR)
391 ok = ok && dh_check_pairwise(dh);
395 static void *dh_gen_init_base(void *provctx, int selection, int type)
397 OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(provctx);
398 struct dh_gen_ctx *gctx = NULL;
400 if (!ossl_prov_is_running())
403 if ((selection & (OSSL_KEYMGMT_SELECT_KEYPAIR
404 | OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS)) == 0)
407 if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
408 gctx->selection = selection;
409 gctx->libctx = libctx;
414 gctx->gen_type = (type == DH_FLAG_TYPE_DHX)
415 ? DH_PARAMGEN_TYPE_FIPS_186_4
416 : DH_PARAMGEN_TYPE_GROUP;
418 gctx->gen_type = (type == DH_FLAG_TYPE_DHX)
419 ? DH_PARAMGEN_TYPE_FIPS_186_2
420 : DH_PARAMGEN_TYPE_GENERATOR;
425 gctx->generator = DH_GENERATOR_2;
426 gctx->dh_type = type;
431 static void *dh_gen_init(void *provctx, int selection)
433 return dh_gen_init_base(provctx, selection, DH_FLAG_TYPE_DH);
436 static void *dhx_gen_init(void *provctx, int selection)
438 return dh_gen_init_base(provctx, selection, DH_FLAG_TYPE_DHX);
441 static int dh_gen_set_template(void *genctx, void *templ)
443 struct dh_gen_ctx *gctx = genctx;
446 if (!ossl_prov_is_running() || gctx == NULL || dh == NULL)
448 gctx->ffc_params = dh_get0_params(dh);
452 static int dh_set_gen_seed(struct dh_gen_ctx *gctx, unsigned char *seed,
455 OPENSSL_clear_free(gctx->seed, gctx->seedlen);
458 if (seed != NULL && seedlen > 0) {
459 gctx->seed = OPENSSL_memdup(seed, seedlen);
460 if (gctx->seed == NULL)
462 gctx->seedlen = seedlen;
467 static int dh_gen_set_params(void *genctx, const OSSL_PARAM params[])
469 struct dh_gen_ctx *gctx = genctx;
475 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_TYPE);
477 if (p->data_type != OSSL_PARAM_UTF8_STRING
478 || ((gctx->gen_type =
479 dh_gen_type_name2id_w_default(p->data,
480 gctx->dh_type)) == -1)) {
481 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT);
485 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_GROUP_NAME);
487 const DH_NAMED_GROUP *group = NULL;
489 if (p->data_type != OSSL_PARAM_UTF8_STRING
490 || (group = ossl_ffc_name_to_dh_named_group(p->data)) == NULL
491 || ((gctx->group_nid =
492 ossl_ffc_named_group_get_uid(group)) == NID_undef)) {
493 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT);
496 gctx->gen_type = DH_PARAMGEN_TYPE_GROUP;
498 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_DH_GENERATOR);
499 if (p != NULL && !OSSL_PARAM_get_int(p, &gctx->generator))
501 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_GINDEX);
502 if (p != NULL && !OSSL_PARAM_get_int(p, &gctx->gindex))
504 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_PCOUNTER);
505 if (p != NULL && !OSSL_PARAM_get_int(p, &gctx->pcounter))
507 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_H);
508 if (p != NULL && !OSSL_PARAM_get_int(p, &gctx->hindex))
510 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_SEED);
512 && (p->data_type != OSSL_PARAM_OCTET_STRING
513 || !dh_set_gen_seed(gctx, p->data, p->data_size)))
516 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_PBITS)) != NULL
517 && !OSSL_PARAM_get_size_t(p, &gctx->pbits))
519 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_QBITS)) != NULL
520 && !OSSL_PARAM_get_size_t(p, &gctx->qbits))
522 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_DIGEST);
524 if (p->data_type != OSSL_PARAM_UTF8_STRING)
526 OPENSSL_free(gctx->mdname);
527 gctx->mdname = OPENSSL_strdup(p->data);
528 if (gctx->mdname == NULL)
531 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_DIGEST_PROPS);
533 if (p->data_type != OSSL_PARAM_UTF8_STRING)
535 OPENSSL_free(gctx->mdprops);
536 gctx->mdprops = OPENSSL_strdup(p->data);
537 if (gctx->mdprops == NULL)
540 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_DH_PRIV_LEN);
541 if (p != NULL && !OSSL_PARAM_get_int(p, &gctx->priv_len))
546 static const OSSL_PARAM *dh_gen_settable_params(void *provctx)
548 static OSSL_PARAM settable[] = {
549 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0),
550 OSSL_PARAM_int(OSSL_PKEY_PARAM_DH_PRIV_LEN, NULL),
551 OSSL_PARAM_int(OSSL_PKEY_PARAM_DH_GENERATOR, NULL),
552 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_FFC_TYPE, NULL, 0),
553 OSSL_PARAM_size_t(OSSL_PKEY_PARAM_FFC_PBITS, NULL),
554 OSSL_PARAM_size_t(OSSL_PKEY_PARAM_FFC_QBITS, NULL),
555 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_FFC_DIGEST, NULL, 0),
556 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_FFC_DIGEST_PROPS, NULL, 0),
557 OSSL_PARAM_int(OSSL_PKEY_PARAM_FFC_GINDEX, NULL),
558 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_FFC_SEED, NULL, 0),
559 OSSL_PARAM_int(OSSL_PKEY_PARAM_FFC_PCOUNTER, NULL),
560 OSSL_PARAM_int(OSSL_PKEY_PARAM_FFC_H, NULL),
566 static int dh_gencb(int p, int n, BN_GENCB *cb)
568 struct dh_gen_ctx *gctx = BN_GENCB_get_arg(cb);
569 OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END, OSSL_PARAM_END };
571 params[0] = OSSL_PARAM_construct_int(OSSL_GEN_PARAM_POTENTIAL, &p);
572 params[1] = OSSL_PARAM_construct_int(OSSL_GEN_PARAM_ITERATION, &n);
574 return gctx->cb(params, gctx->cbarg);
577 static void *dh_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
580 struct dh_gen_ctx *gctx = genctx;
582 BN_GENCB *gencb = NULL;
585 if (!ossl_prov_is_running() || gctx == NULL)
588 /* For parameter generation - If there is a group name just create it */
589 if (gctx->gen_type == DH_PARAMGEN_TYPE_GROUP
590 && gctx->ffc_params == NULL) {
591 /* Select a named group if there is not one already */
592 if (gctx->group_nid == NID_undef)
593 gctx->group_nid = dh_get_named_group_uid_from_size(gctx->pbits);
594 if (gctx->group_nid == NID_undef)
596 dh = dh_new_by_nid_ex(gctx->libctx, gctx->group_nid);
599 ffc = dh_get0_params(dh);
601 dh = dh_new_ex(gctx->libctx);
604 ffc = dh_get0_params(dh);
606 /* Copy the template value if one was passed */
607 if (gctx->ffc_params != NULL
608 && !ossl_ffc_params_copy(ffc, gctx->ffc_params))
611 if (!ossl_ffc_params_set_seed(ffc, gctx->seed, gctx->seedlen))
613 if (gctx->gindex != -1) {
614 ossl_ffc_params_set_gindex(ffc, gctx->gindex);
615 if (gctx->pcounter != -1)
616 ossl_ffc_params_set_pcounter(ffc, gctx->pcounter);
617 } else if (gctx->hindex != 0) {
618 ossl_ffc_params_set_h(ffc, gctx->hindex);
620 if (gctx->mdname != NULL) {
621 if (!ossl_ffc_set_digest(ffc, gctx->mdname, gctx->mdprops))
626 gencb = BN_GENCB_new();
628 BN_GENCB_set(gencb, dh_gencb, genctx);
630 if ((gctx->selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
632 * NOTE: The old safe prime generator code is not used in fips mode,
633 * (i.e internally it ignores the generator and chooses a named
634 * group based on pbits.
636 if (gctx->gen_type == DH_PARAMGEN_TYPE_GENERATOR)
637 ret = DH_generate_parameters_ex(dh, gctx->pbits,
638 gctx->generator, gencb);
640 ret = dh_generate_ffc_parameters(dh, gctx->gen_type, gctx->pbits,
647 if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
648 if (ffc->p == NULL || ffc->g == NULL)
650 if (gctx->priv_len > 0)
651 DH_set_length(dh, (long)gctx->priv_len);
652 ossl_ffc_params_enable_flags(ffc, FFC_PARAM_FLAG_VALIDATE_LEGACY,
653 gctx->gen_type == DH_PARAMGEN_TYPE_FIPS_186_2);
654 if (DH_generate_key(dh) <= 0)
657 DH_clear_flags(dh, DH_FLAG_TYPE_MASK);
658 DH_set_flags(dh, gctx->dh_type);
666 BN_GENCB_free(gencb);
670 static void dh_gen_cleanup(void *genctx)
672 struct dh_gen_ctx *gctx = genctx;
677 OPENSSL_free(gctx->mdname);
678 OPENSSL_free(gctx->mdprops);
679 OPENSSL_clear_free(gctx->seed, gctx->seedlen);
683 void *dh_load(const void *reference, size_t reference_sz)
687 if (ossl_prov_is_running() && reference_sz == sizeof(dh)) {
688 /* The contents of the reference is the address to our object */
689 dh = *(DH **)reference;
690 /* We grabbed, so we detach it */
691 *(DH **)reference = NULL;
697 const OSSL_DISPATCH ossl_dh_keymgmt_functions[] = {
698 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))dh_newdata },
699 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))dh_gen_init },
700 { OSSL_FUNC_KEYMGMT_GEN_SET_TEMPLATE, (void (*)(void))dh_gen_set_template },
701 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))dh_gen_set_params },
702 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
703 (void (*)(void))dh_gen_settable_params },
704 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))dh_gen },
705 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))dh_gen_cleanup },
706 { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))dh_load },
707 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))dh_freedata },
708 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))dh_get_params },
709 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))dh_gettable_params },
710 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))dh_set_params },
711 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))dh_settable_params },
712 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))dh_has },
713 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))dh_match },
714 { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))dh_validate },
715 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))dh_import },
716 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))dh_import_types },
717 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))dh_export },
718 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))dh_export_types },
722 /* For any DH key, we use the "DH" algorithms regardless of sub-type. */
723 static const char *dhx_query_operation_name(int operation_id)
728 const OSSL_DISPATCH ossl_dhx_keymgmt_functions[] = {
729 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))dhx_newdata },
730 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))dhx_gen_init },
731 { OSSL_FUNC_KEYMGMT_GEN_SET_TEMPLATE, (void (*)(void))dh_gen_set_template },
732 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))dh_gen_set_params },
733 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
734 (void (*)(void))dh_gen_settable_params },
735 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))dh_gen },
736 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))dh_gen_cleanup },
737 { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))dh_load },
738 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))dh_freedata },
739 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))dh_get_params },
740 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))dh_gettable_params },
741 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))dh_set_params },
742 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))dh_settable_params },
743 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))dh_has },
744 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))dh_match },
745 { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))dh_validate },
746 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))dh_import },
747 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))dh_import_types },
748 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))dh_export },
749 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))dh_export_types },
750 { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
751 (void (*)(void))dhx_query_operation_name },