2 * Copyright 2019-2021 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 * RSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include <openssl/core_dispatch.h>
17 #include <openssl/core_names.h>
18 #include <openssl/bn.h>
19 #include <openssl/err.h>
20 #include <openssl/rsa.h>
21 #include <openssl/evp.h>
22 #include <openssl/proverr.h>
23 #include "prov/implementations.h"
24 #include "prov/providercommon.h"
25 #include "prov/provider_ctx.h"
26 #include "crypto/rsa.h"
27 #include "crypto/cryptlib.h"
28 #include "internal/param_build_set.h"
30 static OSSL_FUNC_keymgmt_new_fn rsa_newdata
;
31 static OSSL_FUNC_keymgmt_new_fn rsapss_newdata
;
32 static OSSL_FUNC_keymgmt_gen_init_fn rsa_gen_init
;
33 static OSSL_FUNC_keymgmt_gen_init_fn rsapss_gen_init
;
34 static OSSL_FUNC_keymgmt_gen_set_params_fn rsa_gen_set_params
;
35 static OSSL_FUNC_keymgmt_gen_settable_params_fn rsa_gen_settable_params
;
36 static OSSL_FUNC_keymgmt_gen_settable_params_fn rsapss_gen_settable_params
;
37 static OSSL_FUNC_keymgmt_gen_fn rsa_gen
;
38 static OSSL_FUNC_keymgmt_gen_cleanup_fn rsa_gen_cleanup
;
39 static OSSL_FUNC_keymgmt_load_fn rsa_load
;
40 static OSSL_FUNC_keymgmt_load_fn rsapss_load
;
41 static OSSL_FUNC_keymgmt_free_fn rsa_freedata
;
42 static OSSL_FUNC_keymgmt_get_params_fn rsa_get_params
;
43 static OSSL_FUNC_keymgmt_gettable_params_fn rsa_gettable_params
;
44 static OSSL_FUNC_keymgmt_has_fn rsa_has
;
45 static OSSL_FUNC_keymgmt_match_fn rsa_match
;
46 static OSSL_FUNC_keymgmt_validate_fn rsa_validate
;
47 static OSSL_FUNC_keymgmt_import_fn rsa_import
;
48 static OSSL_FUNC_keymgmt_import_types_fn rsa_import_types
;
49 static OSSL_FUNC_keymgmt_export_fn rsa_export
;
50 static OSSL_FUNC_keymgmt_export_types_fn rsa_export_types
;
51 static OSSL_FUNC_keymgmt_query_operation_name_fn rsa_query_operation_name
;
52 static OSSL_FUNC_keymgmt_dup_fn rsa_dup
;
54 #define RSA_DEFAULT_MD "SHA256"
55 #define RSA_PSS_DEFAULT_MD OSSL_DIGEST_NAME_SHA1
56 #define RSA_POSSIBLE_SELECTIONS \
57 (OSSL_KEYMGMT_SELECT_KEYPAIR | OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS)
59 DEFINE_STACK_OF(BIGNUM
)
60 DEFINE_SPECIAL_STACK_OF_CONST(BIGNUM_const
, BIGNUM
)
62 static int pss_params_fromdata(RSA_PSS_PARAMS_30
*pss_params
, int *defaults_set
,
63 const OSSL_PARAM params
[], int rsa_type
,
66 if (!ossl_rsa_pss_params_30_fromdata(pss_params
, defaults_set
,
70 /* If not a PSS type RSA, sending us PSS parameters is wrong */
71 if (rsa_type
!= RSA_FLAG_TYPE_RSASSAPSS
72 && !ossl_rsa_pss_params_30_is_unrestricted(pss_params
))
78 static void *rsa_newdata(void *provctx
)
80 OSSL_LIB_CTX
*libctx
= PROV_LIBCTX_OF(provctx
);
83 if (!ossl_prov_is_running())
86 rsa
= ossl_rsa_new_with_ctx(libctx
);
88 RSA_clear_flags(rsa
, RSA_FLAG_TYPE_MASK
);
89 RSA_set_flags(rsa
, RSA_FLAG_TYPE_RSA
);
94 static void *rsapss_newdata(void *provctx
)
96 OSSL_LIB_CTX
*libctx
= PROV_LIBCTX_OF(provctx
);
99 if (!ossl_prov_is_running())
102 rsa
= ossl_rsa_new_with_ctx(libctx
);
104 RSA_clear_flags(rsa
, RSA_FLAG_TYPE_MASK
);
105 RSA_set_flags(rsa
, RSA_FLAG_TYPE_RSASSAPSS
);
110 static void rsa_freedata(void *keydata
)
115 static int rsa_has(const void *keydata
, int selection
)
117 const RSA
*rsa
= keydata
;
120 if (rsa
== NULL
|| !ossl_prov_is_running())
122 if ((selection
& RSA_POSSIBLE_SELECTIONS
) == 0)
123 return 1; /* the selection is not missing */
125 if ((selection
& OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS
) != 0)
126 /* This will change with OAEP */
127 ok
= ok
&& (RSA_test_flags(rsa
, RSA_FLAG_TYPE_RSASSAPSS
) != 0);
128 if ((selection
& OSSL_KEYMGMT_SELECT_KEYPAIR
) != 0)
129 ok
= ok
&& (RSA_get0_e(rsa
) != NULL
);
130 if ((selection
& OSSL_KEYMGMT_SELECT_PUBLIC_KEY
) != 0)
131 ok
= ok
&& (RSA_get0_n(rsa
) != NULL
);
132 if ((selection
& OSSL_KEYMGMT_SELECT_PRIVATE_KEY
) != 0)
133 ok
= ok
&& (RSA_get0_d(rsa
) != NULL
);
137 static int rsa_match(const void *keydata1
, const void *keydata2
, int selection
)
139 const RSA
*rsa1
= keydata1
;
140 const RSA
*rsa2
= keydata2
;
143 if (!ossl_prov_is_running())
146 /* There is always an |e| */
147 ok
= ok
&& BN_cmp(RSA_get0_e(rsa1
), RSA_get0_e(rsa2
)) == 0;
148 if ((selection
& OSSL_KEYMGMT_SELECT_PUBLIC_KEY
) != 0)
149 ok
= ok
&& BN_cmp(RSA_get0_n(rsa1
), RSA_get0_n(rsa2
)) == 0;
150 if ((selection
& OSSL_KEYMGMT_SELECT_PRIVATE_KEY
) != 0)
151 ok
= ok
&& BN_cmp(RSA_get0_d(rsa1
), RSA_get0_d(rsa2
)) == 0;
155 static int rsa_import(void *keydata
, int selection
, const OSSL_PARAM params
[])
160 int pss_defaults_set
= 0;
162 if (!ossl_prov_is_running() || rsa
== NULL
)
165 if ((selection
& RSA_POSSIBLE_SELECTIONS
) == 0)
168 rsa_type
= RSA_test_flags(rsa
, RSA_FLAG_TYPE_MASK
);
170 if ((selection
& OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS
) != 0)
171 ok
= ok
&& pss_params_fromdata(ossl_rsa_get0_pss_params_30(rsa
),
174 ossl_rsa_get0_libctx(rsa
));
175 if ((selection
& OSSL_KEYMGMT_SELECT_KEYPAIR
) != 0)
176 ok
= ok
&& ossl_rsa_fromdata(rsa
, params
);
181 static int rsa_export(void *keydata
, int selection
,
182 OSSL_CALLBACK
*param_callback
, void *cbarg
)
185 const RSA_PSS_PARAMS_30
*pss_params
= ossl_rsa_get0_pss_params_30(rsa
);
186 OSSL_PARAM_BLD
*tmpl
;
187 OSSL_PARAM
*params
= NULL
;
190 if (!ossl_prov_is_running() || rsa
== NULL
)
193 if ((selection
& RSA_POSSIBLE_SELECTIONS
) == 0)
196 tmpl
= OSSL_PARAM_BLD_new();
200 if ((selection
& OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS
) != 0)
201 ok
= ok
&& (ossl_rsa_pss_params_30_is_unrestricted(pss_params
)
202 || ossl_rsa_pss_params_30_todata(pss_params
, tmpl
, NULL
));
203 if ((selection
& OSSL_KEYMGMT_SELECT_KEYPAIR
) != 0)
204 ok
= ok
&& ossl_rsa_todata(rsa
, tmpl
, NULL
);
207 || (params
= OSSL_PARAM_BLD_to_param(tmpl
)) == NULL
)
210 ok
= param_callback(params
, cbarg
);
211 OSSL_PARAM_free(params
);
213 OSSL_PARAM_BLD_free(tmpl
);
218 /* In fips mode there are no multi-primes. */
219 # define RSA_KEY_MP_TYPES() \
220 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR1, NULL, 0), \
221 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR2, NULL, 0), \
222 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT1, NULL, 0), \
223 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT2, NULL, 0), \
224 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT1, NULL, 0),
227 * We allow up to 10 prime factors (starting with p, q).
228 * NOTE: there is only 9 OSSL_PKEY_PARAM_RSA_COEFFICIENT
230 # define RSA_KEY_MP_TYPES() \
231 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR1, NULL, 0), \
232 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR2, NULL, 0), \
233 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR3, NULL, 0), \
234 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR4, NULL, 0), \
235 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR5, NULL, 0), \
236 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR6, NULL, 0), \
237 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR7, NULL, 0), \
238 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR8, NULL, 0), \
239 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR9, NULL, 0), \
240 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR10, NULL, 0), \
241 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT1, NULL, 0), \
242 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT2, NULL, 0), \
243 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT3, NULL, 0), \
244 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT4, NULL, 0), \
245 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT5, NULL, 0), \
246 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT6, NULL, 0), \
247 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT7, NULL, 0), \
248 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT8, NULL, 0), \
249 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT9, NULL, 0), \
250 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT10, NULL, 0), \
251 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT1, NULL, 0), \
252 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT2, NULL, 0), \
253 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT3, NULL, 0), \
254 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT4, NULL, 0), \
255 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT5, NULL, 0), \
256 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT6, NULL, 0), \
257 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT7, NULL, 0), \
258 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT8, NULL, 0), \
259 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT9, NULL, 0),
262 #define RSA_KEY_TYPES() \
263 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_N, NULL, 0), \
264 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_E, NULL, 0), \
265 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_D, NULL, 0), \
269 * This provider can export everything in an RSA key, so we use the exact
270 * same type description for export as for import. Other providers might
271 * choose to import full keys, but only export the public parts, and will
272 * therefore have the importkey_types and importkey_types functions return
275 static const OSSL_PARAM rsa_key_types
[] = {
280 * We lied about the amount of factors, exponents and coefficients, the
281 * export and import functions can really deal with an infinite amount
282 * of these numbers. However, RSA keys with too many primes are futile,
283 * so we at least pretend to have some limits.
286 static const OSSL_PARAM
*rsa_imexport_types(int selection
)
288 if ((selection
& OSSL_KEYMGMT_SELECT_KEYPAIR
) != 0)
289 return rsa_key_types
;
293 static const OSSL_PARAM
*rsa_import_types(int selection
)
295 return rsa_imexport_types(selection
);
298 static const OSSL_PARAM
*rsa_export_types(int selection
)
300 return rsa_imexport_types(selection
);
303 static int rsa_get_params(void *key
, OSSL_PARAM params
[])
306 const RSA_PSS_PARAMS_30
*pss_params
= ossl_rsa_get0_pss_params_30(rsa
);
307 int rsa_type
= RSA_test_flags(rsa
, RSA_FLAG_TYPE_MASK
);
310 if ((p
= OSSL_PARAM_locate(params
, OSSL_PKEY_PARAM_BITS
)) != NULL
311 && !OSSL_PARAM_set_int(p
, RSA_bits(rsa
)))
313 if ((p
= OSSL_PARAM_locate(params
, OSSL_PKEY_PARAM_SECURITY_BITS
)) != NULL
314 && !OSSL_PARAM_set_int(p
, RSA_security_bits(rsa
)))
316 if ((p
= OSSL_PARAM_locate(params
, OSSL_PKEY_PARAM_MAX_SIZE
)) != NULL
317 && !OSSL_PARAM_set_int(p
, RSA_size(rsa
)))
321 * For restricted RSA-PSS keys, we ignore the default digest request.
322 * With RSA-OAEP keys, this may need to be amended.
324 if ((p
= OSSL_PARAM_locate(params
, OSSL_PKEY_PARAM_DEFAULT_DIGEST
)) != NULL
325 && (rsa_type
!= RSA_FLAG_TYPE_RSASSAPSS
326 || ossl_rsa_pss_params_30_is_unrestricted(pss_params
))) {
327 if (!OSSL_PARAM_set_utf8_string(p
, RSA_DEFAULT_MD
))
332 * For non-RSA-PSS keys, we ignore the mandatory digest request.
333 * With RSA-OAEP keys, this may need to be amended.
335 if ((p
= OSSL_PARAM_locate(params
,
336 OSSL_PKEY_PARAM_MANDATORY_DIGEST
)) != NULL
337 && rsa_type
== RSA_FLAG_TYPE_RSASSAPSS
338 && !ossl_rsa_pss_params_30_is_unrestricted(pss_params
)) {
340 ossl_rsa_oaeppss_nid2name(ossl_rsa_pss_params_30_hashalg(pss_params
));
342 if (mdname
== NULL
|| !OSSL_PARAM_set_utf8_string(p
, mdname
))
345 return (rsa_type
!= RSA_FLAG_TYPE_RSASSAPSS
346 || ossl_rsa_pss_params_30_todata(pss_params
, NULL
, params
))
347 && ossl_rsa_todata(rsa
, NULL
, params
);
350 static const OSSL_PARAM rsa_params
[] = {
351 OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS
, NULL
),
352 OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS
, NULL
),
353 OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE
, NULL
),
354 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST
, NULL
, 0),
359 static const OSSL_PARAM
*rsa_gettable_params(void *provctx
)
364 static int rsa_validate(const void *keydata
, int selection
, int checktype
)
366 const RSA
*rsa
= keydata
;
369 if (!ossl_prov_is_running())
372 if ((selection
& RSA_POSSIBLE_SELECTIONS
) == 0)
373 return 1; /* nothing to validate */
375 /* If the whole key is selected, we do a pairwise validation */
376 if ((selection
& OSSL_KEYMGMT_SELECT_KEYPAIR
)
377 == OSSL_KEYMGMT_SELECT_KEYPAIR
) {
378 ok
= ok
&& ossl_rsa_validate_pairwise(rsa
);
380 if ((selection
& OSSL_KEYMGMT_SELECT_PRIVATE_KEY
) != 0)
381 ok
= ok
&& ossl_rsa_validate_private(rsa
);
382 if ((selection
& OSSL_KEYMGMT_SELECT_PUBLIC_KEY
) != 0)
383 ok
= ok
&& ossl_rsa_validate_public(rsa
);
389 OSSL_LIB_CTX
*libctx
;
399 RSA_PSS_PARAMS_30 pss_params
;
400 int pss_defaults_set
;
402 /* For generation callback */
406 #if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
407 /* ACVP test parameters */
408 OSSL_PARAM
*acvp_test_params
;
412 static int rsa_gencb(int p
, int n
, BN_GENCB
*cb
)
414 struct rsa_gen_ctx
*gctx
= BN_GENCB_get_arg(cb
);
415 OSSL_PARAM params
[] = { OSSL_PARAM_END
, OSSL_PARAM_END
, OSSL_PARAM_END
};
417 params
[0] = OSSL_PARAM_construct_int(OSSL_GEN_PARAM_POTENTIAL
, &p
);
418 params
[1] = OSSL_PARAM_construct_int(OSSL_GEN_PARAM_ITERATION
, &n
);
419 return gctx
->cb(params
, gctx
->cbarg
);
422 static void *gen_init(void *provctx
, int selection
, int rsa_type
,
423 const OSSL_PARAM params
[])
425 OSSL_LIB_CTX
*libctx
= PROV_LIBCTX_OF(provctx
);
426 struct rsa_gen_ctx
*gctx
= NULL
;
428 if (!ossl_prov_is_running())
431 if ((selection
& OSSL_KEYMGMT_SELECT_KEYPAIR
) == 0)
434 if ((gctx
= OPENSSL_zalloc(sizeof(*gctx
))) != NULL
) {
435 gctx
->libctx
= libctx
;
436 if ((gctx
->pub_exp
= BN_new()) == NULL
437 || !BN_set_word(gctx
->pub_exp
, RSA_F4
)) {
438 BN_free(gctx
->pub_exp
);
443 gctx
->primes
= RSA_DEFAULT_PRIME_NUM
;
444 gctx
->rsa_type
= rsa_type
;
446 if (!rsa_gen_set_params(gctx
, params
)) {
453 static void *rsa_gen_init(void *provctx
, int selection
,
454 const OSSL_PARAM params
[])
456 return gen_init(provctx
, selection
, RSA_FLAG_TYPE_RSA
, params
);
459 static void *rsapss_gen_init(void *provctx
, int selection
,
460 const OSSL_PARAM params
[])
462 return gen_init(provctx
, selection
, RSA_FLAG_TYPE_RSASSAPSS
, params
);
466 * This function is common for all RSA sub-types, to detect possible
467 * misuse, such as PSS parameters being passed when a plain RSA key
470 static int rsa_gen_set_params(void *genctx
, const OSSL_PARAM params
[])
472 struct rsa_gen_ctx
*gctx
= genctx
;
478 if ((p
= OSSL_PARAM_locate_const(params
, OSSL_PKEY_PARAM_RSA_BITS
)) != NULL
) {
479 if (!OSSL_PARAM_get_size_t(p
, &gctx
->nbits
))
481 if (gctx
->nbits
< RSA_MIN_MODULUS_BITS
) {
482 ERR_raise(ERR_LIB_PROV
, PROV_R_KEY_SIZE_TOO_SMALL
);
486 if ((p
= OSSL_PARAM_locate_const(params
, OSSL_PKEY_PARAM_RSA_PRIMES
)) != NULL
487 && !OSSL_PARAM_get_size_t(p
, &gctx
->primes
))
489 if ((p
= OSSL_PARAM_locate_const(params
, OSSL_PKEY_PARAM_RSA_E
)) != NULL
490 && !OSSL_PARAM_get_BN(p
, &gctx
->pub_exp
))
492 /* Only attempt to get PSS parameters when generating an RSA-PSS key */
493 if (gctx
->rsa_type
== RSA_FLAG_TYPE_RSASSAPSS
494 && !pss_params_fromdata(&gctx
->pss_params
, &gctx
->pss_defaults_set
, params
,
495 gctx
->rsa_type
, gctx
->libctx
))
497 #if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
498 /* Any ACVP test related parameters are copied into a params[] */
499 if (!ossl_rsa_acvp_test_gen_params_new(&gctx
->acvp_test_params
, params
))
505 #define rsa_gen_basic \
506 OSSL_PARAM_size_t(OSSL_PKEY_PARAM_RSA_BITS, NULL), \
507 OSSL_PARAM_size_t(OSSL_PKEY_PARAM_RSA_PRIMES, NULL), \
508 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_E, NULL, 0)
511 * The following must be kept in sync with ossl_rsa_pss_params_30_fromdata()
512 * in crypto/rsa/rsa_backend.c
514 #define rsa_gen_pss \
515 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_DIGEST, NULL, 0), \
516 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_DIGEST_PROPS, NULL, 0), \
517 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_MASKGENFUNC, NULL, 0), \
518 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_MGF1_DIGEST, NULL, 0), \
519 OSSL_PARAM_int(OSSL_PKEY_PARAM_RSA_PSS_SALTLEN, NULL)
521 static const OSSL_PARAM
*rsa_gen_settable_params(ossl_unused
void *genctx
,
522 ossl_unused
void *provctx
)
524 static OSSL_PARAM settable
[] = {
532 static const OSSL_PARAM
*rsapss_gen_settable_params(ossl_unused
void *genctx
,
533 ossl_unused
void *provctx
)
535 static OSSL_PARAM settable
[] = {
544 static void *rsa_gen(void *genctx
, OSSL_CALLBACK
*osslcb
, void *cbarg
)
546 struct rsa_gen_ctx
*gctx
= genctx
;
547 RSA
*rsa
= NULL
, *rsa_tmp
= NULL
;
548 BN_GENCB
*gencb
= NULL
;
550 if (!ossl_prov_is_running() || gctx
== NULL
)
553 switch (gctx
->rsa_type
) {
554 case RSA_FLAG_TYPE_RSA
:
555 /* For plain RSA keys, PSS parameters must not be set */
556 if (!ossl_rsa_pss_params_30_is_unrestricted(&gctx
->pss_params
))
559 case RSA_FLAG_TYPE_RSASSAPSS
:
561 * For plain RSA-PSS keys, PSS parameters may be set but don't have
566 /* Unsupported RSA key sub-type... */
570 if ((rsa_tmp
= ossl_rsa_new_with_ctx(gctx
->libctx
)) == NULL
)
575 gencb
= BN_GENCB_new();
577 BN_GENCB_set(gencb
, rsa_gencb
, genctx
);
579 #if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
580 if (gctx
->acvp_test_params
!= NULL
) {
581 if (!ossl_rsa_acvp_test_set_params(rsa_tmp
, gctx
->acvp_test_params
))
586 if (!RSA_generate_multi_prime_key(rsa_tmp
,
587 (int)gctx
->nbits
, (int)gctx
->primes
,
588 gctx
->pub_exp
, gencb
))
591 if (!ossl_rsa_pss_params_30_copy(ossl_rsa_get0_pss_params_30(rsa_tmp
),
595 RSA_clear_flags(rsa_tmp
, RSA_FLAG_TYPE_MASK
);
596 RSA_set_flags(rsa_tmp
, gctx
->rsa_type
);
601 BN_GENCB_free(gencb
);
606 static void rsa_gen_cleanup(void *genctx
)
608 struct rsa_gen_ctx
*gctx
= genctx
;
612 #if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
613 ossl_rsa_acvp_test_gen_params_free(gctx
->acvp_test_params
);
614 gctx
->acvp_test_params
= NULL
;
616 BN_clear_free(gctx
->pub_exp
);
620 static void *common_load(const void *reference
, size_t reference_sz
,
621 int expected_rsa_type
)
625 if (ossl_prov_is_running() && reference_sz
== sizeof(rsa
)) {
626 /* The contents of the reference is the address to our object */
627 rsa
= *(RSA
**)reference
;
629 if (RSA_test_flags(rsa
, RSA_FLAG_TYPE_MASK
) != expected_rsa_type
)
632 /* We grabbed, so we detach it */
633 *(RSA
**)reference
= NULL
;
639 static void *rsa_load(const void *reference
, size_t reference_sz
)
641 return common_load(reference
, reference_sz
, RSA_FLAG_TYPE_RSA
);
644 static void *rsapss_load(const void *reference
, size_t reference_sz
)
646 return common_load(reference
, reference_sz
, RSA_FLAG_TYPE_RSASSAPSS
);
649 static void *rsa_dup(const void *keydata_from
, int selection
)
651 if (ossl_prov_is_running())
652 return ossl_rsa_dup(keydata_from
, selection
);
656 /* For any RSA key, we use the "RSA" algorithms regardless of sub-type. */
657 static const char *rsa_query_operation_name(int operation_id
)
662 const OSSL_DISPATCH ossl_rsa_keymgmt_functions
[] = {
663 { OSSL_FUNC_KEYMGMT_NEW
, (void (*)(void))rsa_newdata
},
664 { OSSL_FUNC_KEYMGMT_GEN_INIT
, (void (*)(void))rsa_gen_init
},
665 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS
,
666 (void (*)(void))rsa_gen_set_params
},
667 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS
,
668 (void (*)(void))rsa_gen_settable_params
},
669 { OSSL_FUNC_KEYMGMT_GEN
, (void (*)(void))rsa_gen
},
670 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP
, (void (*)(void))rsa_gen_cleanup
},
671 { OSSL_FUNC_KEYMGMT_LOAD
, (void (*)(void))rsa_load
},
672 { OSSL_FUNC_KEYMGMT_FREE
, (void (*)(void))rsa_freedata
},
673 { OSSL_FUNC_KEYMGMT_GET_PARAMS
, (void (*) (void))rsa_get_params
},
674 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS
, (void (*) (void))rsa_gettable_params
},
675 { OSSL_FUNC_KEYMGMT_HAS
, (void (*)(void))rsa_has
},
676 { OSSL_FUNC_KEYMGMT_MATCH
, (void (*)(void))rsa_match
},
677 { OSSL_FUNC_KEYMGMT_VALIDATE
, (void (*)(void))rsa_validate
},
678 { OSSL_FUNC_KEYMGMT_IMPORT
, (void (*)(void))rsa_import
},
679 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES
, (void (*)(void))rsa_import_types
},
680 { OSSL_FUNC_KEYMGMT_EXPORT
, (void (*)(void))rsa_export
},
681 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES
, (void (*)(void))rsa_export_types
},
682 { OSSL_FUNC_KEYMGMT_DUP
, (void (*)(void))rsa_dup
},
686 const OSSL_DISPATCH ossl_rsapss_keymgmt_functions
[] = {
687 { OSSL_FUNC_KEYMGMT_NEW
, (void (*)(void))rsapss_newdata
},
688 { OSSL_FUNC_KEYMGMT_GEN_INIT
, (void (*)(void))rsapss_gen_init
},
689 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS
, (void (*)(void))rsa_gen_set_params
},
690 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS
,
691 (void (*)(void))rsapss_gen_settable_params
},
692 { OSSL_FUNC_KEYMGMT_GEN
, (void (*)(void))rsa_gen
},
693 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP
, (void (*)(void))rsa_gen_cleanup
},
694 { OSSL_FUNC_KEYMGMT_LOAD
, (void (*)(void))rsapss_load
},
695 { OSSL_FUNC_KEYMGMT_FREE
, (void (*)(void))rsa_freedata
},
696 { OSSL_FUNC_KEYMGMT_GET_PARAMS
, (void (*) (void))rsa_get_params
},
697 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS
, (void (*) (void))rsa_gettable_params
},
698 { OSSL_FUNC_KEYMGMT_HAS
, (void (*)(void))rsa_has
},
699 { OSSL_FUNC_KEYMGMT_MATCH
, (void (*)(void))rsa_match
},
700 { OSSL_FUNC_KEYMGMT_VALIDATE
, (void (*)(void))rsa_validate
},
701 { OSSL_FUNC_KEYMGMT_IMPORT
, (void (*)(void))rsa_import
},
702 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES
, (void (*)(void))rsa_import_types
},
703 { OSSL_FUNC_KEYMGMT_EXPORT
, (void (*)(void))rsa_export
},
704 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES
, (void (*)(void))rsa_export_types
},
705 { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME
,
706 (void (*)(void))rsa_query_operation_name
},
707 { OSSL_FUNC_KEYMGMT_DUP
, (void (*)(void))rsa_dup
},