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 * RSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include "e_os.h" /* strcasecmp */
18 #include <openssl/crypto.h>
19 #include <openssl/core_dispatch.h>
20 #include <openssl/core_names.h>
21 #include <openssl/err.h>
22 #include <openssl/rsa.h>
23 #include <openssl/params.h>
24 #include <openssl/evp.h>
25 #include <openssl/proverr.h>
26 #include "internal/cryptlib.h"
27 #include "internal/nelem.h"
28 #include "internal/sizes.h"
29 #include "crypto/rsa.h"
30 #include "prov/providercommon.h"
31 #include "prov/implementations.h"
32 #include "prov/provider_ctx.h"
33 #include "prov/der_rsa.h"
34 #include "prov/securitycheck.h"
36 #define RSA_DEFAULT_DIGEST_NAME OSSL_DIGEST_NAME_SHA1
38 static OSSL_FUNC_signature_newctx_fn rsa_newctx
;
39 static OSSL_FUNC_signature_sign_init_fn rsa_sign_init
;
40 static OSSL_FUNC_signature_verify_init_fn rsa_verify_init
;
41 static OSSL_FUNC_signature_verify_recover_init_fn rsa_verify_recover_init
;
42 static OSSL_FUNC_signature_sign_fn rsa_sign
;
43 static OSSL_FUNC_signature_verify_fn rsa_verify
;
44 static OSSL_FUNC_signature_verify_recover_fn rsa_verify_recover
;
45 static OSSL_FUNC_signature_digest_sign_init_fn rsa_digest_sign_init
;
46 static OSSL_FUNC_signature_digest_sign_update_fn rsa_digest_signverify_update
;
47 static OSSL_FUNC_signature_digest_sign_final_fn rsa_digest_sign_final
;
48 static OSSL_FUNC_signature_digest_verify_init_fn rsa_digest_verify_init
;
49 static OSSL_FUNC_signature_digest_verify_update_fn rsa_digest_signverify_update
;
50 static OSSL_FUNC_signature_digest_verify_final_fn rsa_digest_verify_final
;
51 static OSSL_FUNC_signature_freectx_fn rsa_freectx
;
52 static OSSL_FUNC_signature_dupctx_fn rsa_dupctx
;
53 static OSSL_FUNC_signature_get_ctx_params_fn rsa_get_ctx_params
;
54 static OSSL_FUNC_signature_gettable_ctx_params_fn rsa_gettable_ctx_params
;
55 static OSSL_FUNC_signature_set_ctx_params_fn rsa_set_ctx_params
;
56 static OSSL_FUNC_signature_settable_ctx_params_fn rsa_settable_ctx_params
;
57 static OSSL_FUNC_signature_get_ctx_md_params_fn rsa_get_ctx_md_params
;
58 static OSSL_FUNC_signature_gettable_ctx_md_params_fn rsa_gettable_ctx_md_params
;
59 static OSSL_FUNC_signature_set_ctx_md_params_fn rsa_set_ctx_md_params
;
60 static OSSL_FUNC_signature_settable_ctx_md_params_fn rsa_settable_ctx_md_params
;
62 static OSSL_ITEM padding_item
[] = {
63 { RSA_PKCS1_PADDING
, OSSL_PKEY_RSA_PAD_MODE_PKCSV15
},
64 { RSA_SSLV23_PADDING
, OSSL_PKEY_RSA_PAD_MODE_SSLV23
},
65 { RSA_NO_PADDING
, OSSL_PKEY_RSA_PAD_MODE_NONE
},
66 { RSA_X931_PADDING
, OSSL_PKEY_RSA_PAD_MODE_X931
},
67 { RSA_PKCS1_PSS_PADDING
, OSSL_PKEY_RSA_PAD_MODE_PSS
},
72 * What's passed as an actual key is defined by the KEYMGMT interface.
73 * We happen to know that our KEYMGMT simply passes RSA structures, so
74 * we use that here too.
84 * Flag to determine if the hash function can be changed (1) or not (0)
85 * Because it's dangerous to change during a DigestSign or DigestVerify
86 * operation, this flag is cleared by their Init function, and set again
87 * by their Final function.
89 unsigned int flag_allow_md
: 1;
90 unsigned int mgf1_md_set
: 1;
96 char mdname
[OSSL_MAX_NAME_SIZE
]; /* Purely informational */
98 /* RSA padding mode */
100 /* message digest for MGF1 */
103 char mgf1_mdname
[OSSL_MAX_NAME_SIZE
]; /* Purely informational */
104 /* PSS salt length */
106 /* Minimum salt length or -1 if no PSS parameter restriction */
114 /* True if PSS parameters are restricted */
115 #define rsa_pss_restricted(prsactx) (prsactx->min_saltlen != -1)
117 static size_t rsa_get_md_size(const PROV_RSA_CTX
*prsactx
)
119 if (prsactx
->md
!= NULL
)
120 return EVP_MD_size(prsactx
->md
);
124 static int rsa_check_padding(const PROV_RSA_CTX
*prsactx
,
125 const char *mdname
, const char *mgf1_mdname
,
128 switch(prsactx
->pad_mode
) {
130 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_PADDING_MODE
);
132 case RSA_X931_PADDING
:
133 if (RSA_X931_hash_id(mdnid
) == -1) {
134 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_X931_DIGEST
);
138 case RSA_PKCS1_PSS_PADDING
:
139 if (rsa_pss_restricted(prsactx
))
140 if ((mdname
!= NULL
&& !EVP_MD_is_a(prsactx
->md
, mdname
))
141 || (mgf1_mdname
!= NULL
142 && !EVP_MD_is_a(prsactx
->mgf1_md
, mgf1_mdname
))) {
143 ERR_raise(ERR_LIB_PROV
, PROV_R_DIGEST_NOT_ALLOWED
);
154 static int rsa_check_parameters(PROV_RSA_CTX
*prsactx
, int min_saltlen
)
156 if (prsactx
->pad_mode
== RSA_PKCS1_PSS_PADDING
) {
159 /* See if minimum salt length exceeds maximum possible */
160 max_saltlen
= RSA_size(prsactx
->rsa
) - EVP_MD_size(prsactx
->md
);
161 if ((RSA_bits(prsactx
->rsa
) & 0x7) == 1)
163 if (min_saltlen
< 0 || min_saltlen
> max_saltlen
) {
164 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_SALT_LENGTH
);
167 prsactx
->min_saltlen
= min_saltlen
;
172 static void *rsa_newctx(void *provctx
, const char *propq
)
174 PROV_RSA_CTX
*prsactx
= NULL
;
175 char *propq_copy
= NULL
;
177 if (!ossl_prov_is_running())
180 if ((prsactx
= OPENSSL_zalloc(sizeof(PROV_RSA_CTX
))) == NULL
182 && (propq_copy
= OPENSSL_strdup(propq
)) == NULL
)) {
183 OPENSSL_free(prsactx
);
184 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
188 prsactx
->libctx
= PROV_LIBCTX_OF(provctx
);
189 prsactx
->flag_allow_md
= 1;
190 prsactx
->propq
= propq_copy
;
194 static int rsa_pss_compute_saltlen(PROV_RSA_CTX
*ctx
)
196 int saltlen
= ctx
->saltlen
;
198 if (saltlen
== RSA_PSS_SALTLEN_DIGEST
) {
199 saltlen
= EVP_MD_size(ctx
->md
);
200 } else if (saltlen
== RSA_PSS_SALTLEN_AUTO
|| saltlen
== RSA_PSS_SALTLEN_MAX
) {
201 saltlen
= RSA_size(ctx
->rsa
) - EVP_MD_size(ctx
->md
) - 2;
202 if ((RSA_bits(ctx
->rsa
) & 0x7) == 1)
206 ERR_raise(ERR_LIB_PROV
, ERR_R_INTERNAL_ERROR
);
208 } else if (saltlen
< ctx
->min_saltlen
) {
209 ERR_raise_data(ERR_LIB_PROV
, PROV_R_PSS_SALTLEN_TOO_SMALL
,
210 "minimum salt length: %d, actual salt length: %d",
211 ctx
->min_saltlen
, saltlen
);
217 static unsigned char *rsa_generate_signature_aid(PROV_RSA_CTX
*ctx
,
218 unsigned char *aid_buf
,
223 unsigned char *aid
= NULL
;
225 RSA_PSS_PARAMS_30 pss_params
;
227 if (!WPACKET_init_der(&pkt
, aid_buf
, buf_len
)) {
228 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
232 switch(ctx
->pad_mode
) {
233 case RSA_PKCS1_PADDING
:
234 if (!ossl_DER_w_algorithmIdentifier_MDWithRSAEncryption(&pkt
, -1,
236 ERR_raise(ERR_LIB_PROV
, ERR_R_INTERNAL_ERROR
);
240 case RSA_PKCS1_PSS_PADDING
:
241 saltlen
= rsa_pss_compute_saltlen(ctx
);
244 if (!ossl_rsa_pss_params_30_set_defaults(&pss_params
)
245 || !ossl_rsa_pss_params_30_set_hashalg(&pss_params
, ctx
->mdnid
)
246 || !ossl_rsa_pss_params_30_set_maskgenhashalg(&pss_params
,
248 || !ossl_rsa_pss_params_30_set_saltlen(&pss_params
, saltlen
)
249 || !ossl_DER_w_algorithmIdentifier_RSA_PSS(&pkt
, -1,
250 RSA_FLAG_TYPE_RSASSAPSS
,
252 ERR_raise(ERR_LIB_PROV
, ERR_R_INTERNAL_ERROR
);
257 ERR_raise_data(ERR_LIB_PROV
, ERR_R_UNSUPPORTED
,
258 "Algorithm ID generation");
261 if (WPACKET_finish(&pkt
)) {
262 WPACKET_get_total_written(&pkt
, aid_len
);
263 aid
= WPACKET_get_curr(&pkt
);
266 WPACKET_cleanup(&pkt
);
270 static int rsa_setup_md(PROV_RSA_CTX
*ctx
, const char *mdname
,
274 mdprops
= ctx
->propq
;
276 if (mdname
!= NULL
) {
277 EVP_MD
*md
= EVP_MD_fetch(ctx
->libctx
, mdname
, mdprops
);
278 int sha1_allowed
= (ctx
->operation
!= EVP_PKEY_OP_SIGN
);
279 int md_nid
= digest_rsa_sign_get_md_nid(md
, sha1_allowed
);
280 size_t mdname_len
= strlen(mdname
);
283 || md_nid
== NID_undef
284 || !rsa_check_padding(ctx
, mdname
, NULL
, md_nid
)
285 || mdname_len
>= sizeof(ctx
->mdname
)) {
287 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
288 "%s could not be fetched", mdname
);
289 if (md_nid
== NID_undef
)
290 ERR_raise_data(ERR_LIB_PROV
, PROV_R_DIGEST_NOT_ALLOWED
,
291 "digest=%s", mdname
);
292 if (mdname_len
>= sizeof(ctx
->mdname
))
293 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
294 "%s exceeds name buffer length", mdname
);
299 if (!ctx
->mgf1_md_set
) {
300 if (!EVP_MD_up_ref(md
)) {
304 EVP_MD_free(ctx
->mgf1_md
);
306 ctx
->mgf1_mdnid
= md_nid
;
307 OPENSSL_strlcpy(ctx
->mgf1_mdname
, mdname
, sizeof(ctx
->mgf1_mdname
));
310 EVP_MD_CTX_free(ctx
->mdctx
);
311 EVP_MD_free(ctx
->md
);
316 OPENSSL_strlcpy(ctx
->mdname
, mdname
, sizeof(ctx
->mdname
));
322 static int rsa_setup_mgf1_md(PROV_RSA_CTX
*ctx
, const char *mdname
,
330 mdprops
= ctx
->propq
;
332 if ((md
= EVP_MD_fetch(ctx
->libctx
, mdname
, mdprops
)) == NULL
) {
333 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
334 "%s could not be fetched", mdname
);
337 /* The default for mgf1 is SHA1 - so allow SHA1 */
338 if ((mdnid
= digest_rsa_sign_get_md_nid(md
, 1)) == NID_undef
339 || !rsa_check_padding(ctx
, NULL
, mdname
, mdnid
)) {
340 if (mdnid
== NID_undef
)
341 ERR_raise_data(ERR_LIB_PROV
, PROV_R_DIGEST_NOT_ALLOWED
,
342 "digest=%s", mdname
);
346 len
= OPENSSL_strlcpy(ctx
->mgf1_mdname
, mdname
, sizeof(ctx
->mgf1_mdname
));
347 if (len
>= sizeof(ctx
->mgf1_mdname
)) {
348 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
349 "%s exceeds name buffer length", mdname
);
354 EVP_MD_free(ctx
->mgf1_md
);
356 ctx
->mgf1_mdnid
= mdnid
;
357 ctx
->mgf1_md_set
= 1;
361 static int rsa_signverify_init(void *vprsactx
, void *vrsa
, int operation
)
363 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
365 if (!ossl_prov_is_running())
368 if (prsactx
== NULL
|| vrsa
== NULL
|| !RSA_up_ref(vrsa
))
371 RSA_free(prsactx
->rsa
);
373 prsactx
->operation
= operation
;
375 if (!ossl_rsa_check_key(vrsa
, operation
== EVP_PKEY_OP_SIGN
)) {
376 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_KEY_LENGTH
);
380 /* Maximum for sign, auto for verify */
381 prsactx
->saltlen
= RSA_PSS_SALTLEN_AUTO
;
382 prsactx
->min_saltlen
= -1;
384 switch (RSA_test_flags(prsactx
->rsa
, RSA_FLAG_TYPE_MASK
)) {
385 case RSA_FLAG_TYPE_RSA
:
386 prsactx
->pad_mode
= RSA_PKCS1_PADDING
;
388 case RSA_FLAG_TYPE_RSASSAPSS
:
389 prsactx
->pad_mode
= RSA_PKCS1_PSS_PADDING
;
392 const RSA_PSS_PARAMS_30
*pss
=
393 ossl_rsa_get0_pss_params_30(prsactx
->rsa
);
395 if (!ossl_rsa_pss_params_30_is_unrestricted(pss
)) {
396 int md_nid
= ossl_rsa_pss_params_30_hashalg(pss
);
397 int mgf1md_nid
= ossl_rsa_pss_params_30_maskgenhashalg(pss
);
398 int min_saltlen
= ossl_rsa_pss_params_30_saltlen(pss
);
399 const char *mdname
, *mgf1mdname
;
402 mdname
= ossl_rsa_oaeppss_nid2name(md_nid
);
403 mgf1mdname
= ossl_rsa_oaeppss_nid2name(mgf1md_nid
);
405 if (mdname
== NULL
) {
406 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
407 "PSS restrictions lack hash algorithm");
410 if (mgf1mdname
== NULL
) {
411 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
412 "PSS restrictions lack MGF1 hash algorithm");
416 len
= OPENSSL_strlcpy(prsactx
->mdname
, mdname
,
417 sizeof(prsactx
->mdname
));
418 if (len
>= sizeof(prsactx
->mdname
)) {
419 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
420 "hash algorithm name too long");
423 len
= OPENSSL_strlcpy(prsactx
->mgf1_mdname
, mgf1mdname
,
424 sizeof(prsactx
->mgf1_mdname
));
425 if (len
>= sizeof(prsactx
->mgf1_mdname
)) {
426 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST
,
427 "MGF1 hash algorithm name too long");
430 prsactx
->saltlen
= min_saltlen
;
432 /* call rsa_setup_mgf1_md before rsa_setup_md to avoid duplication */
433 return rsa_setup_mgf1_md(prsactx
, mgf1mdname
, prsactx
->propq
)
434 && rsa_setup_md(prsactx
, mdname
, prsactx
->propq
)
435 && rsa_check_parameters(prsactx
, min_saltlen
);
441 ERR_raise(ERR_LIB_RSA
, PROV_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
448 static int setup_tbuf(PROV_RSA_CTX
*ctx
)
450 if (ctx
->tbuf
!= NULL
)
452 if ((ctx
->tbuf
= OPENSSL_malloc(RSA_size(ctx
->rsa
))) == NULL
) {
453 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
459 static void clean_tbuf(PROV_RSA_CTX
*ctx
)
461 if (ctx
->tbuf
!= NULL
)
462 OPENSSL_cleanse(ctx
->tbuf
, RSA_size(ctx
->rsa
));
465 static void free_tbuf(PROV_RSA_CTX
*ctx
)
468 OPENSSL_free(ctx
->tbuf
);
472 static int rsa_sign_init(void *vprsactx
, void *vrsa
)
474 if (!ossl_prov_is_running())
476 return rsa_signverify_init(vprsactx
, vrsa
, EVP_PKEY_OP_SIGN
);
479 static int rsa_sign(void *vprsactx
, unsigned char *sig
, size_t *siglen
,
480 size_t sigsize
, const unsigned char *tbs
, size_t tbslen
)
482 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
484 size_t rsasize
= RSA_size(prsactx
->rsa
);
485 size_t mdsize
= rsa_get_md_size(prsactx
);
487 if (!ossl_prov_is_running())
495 if (sigsize
< rsasize
) {
496 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_SIGNATURE_SIZE
,
497 "is %zu, should be at least %zu", sigsize
, rsasize
);
502 if (tbslen
!= mdsize
) {
503 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST_LENGTH
);
508 if (EVP_MD_is_a(prsactx
->md
, OSSL_DIGEST_NAME_MDC2
)) {
511 if (prsactx
->pad_mode
!= RSA_PKCS1_PADDING
) {
512 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_PADDING_MODE
,
513 "only PKCS#1 padding supported with MDC2");
516 ret
= RSA_sign_ASN1_OCTET_STRING(0, tbs
, tbslen
, sig
, &sltmp
,
520 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
527 switch (prsactx
->pad_mode
) {
528 case RSA_X931_PADDING
:
529 if ((size_t)RSA_size(prsactx
->rsa
) < tbslen
+ 1) {
530 ERR_raise_data(ERR_LIB_PROV
, PROV_R_KEY_SIZE_TOO_SMALL
,
531 "RSA key size = %d, expected minimum = %d",
532 RSA_size(prsactx
->rsa
), tbslen
+ 1);
535 if (!setup_tbuf(prsactx
)) {
536 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
539 memcpy(prsactx
->tbuf
, tbs
, tbslen
);
540 prsactx
->tbuf
[tbslen
] = RSA_X931_hash_id(prsactx
->mdnid
);
541 ret
= RSA_private_encrypt(tbslen
+ 1, prsactx
->tbuf
,
542 sig
, prsactx
->rsa
, RSA_X931_PADDING
);
546 case RSA_PKCS1_PADDING
:
550 ret
= RSA_sign(prsactx
->mdnid
, tbs
, tbslen
, sig
, &sltmp
,
553 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
560 case RSA_PKCS1_PSS_PADDING
:
561 /* Check PSS restrictions */
562 if (rsa_pss_restricted(prsactx
)) {
563 switch (prsactx
->saltlen
) {
564 case RSA_PSS_SALTLEN_DIGEST
:
565 if (prsactx
->min_saltlen
> EVP_MD_size(prsactx
->md
)) {
566 ERR_raise_data(ERR_LIB_PROV
,
567 PROV_R_PSS_SALTLEN_TOO_SMALL
,
568 "minimum salt length set to %d, "
569 "but the digest only gives %d",
570 prsactx
->min_saltlen
,
571 EVP_MD_size(prsactx
->md
));
576 if (prsactx
->saltlen
>= 0
577 && prsactx
->saltlen
< prsactx
->min_saltlen
) {
578 ERR_raise_data(ERR_LIB_PROV
,
579 PROV_R_PSS_SALTLEN_TOO_SMALL
,
580 "minimum salt length set to %d, but the"
581 "actual salt length is only set to %d",
582 prsactx
->min_saltlen
,
589 if (!setup_tbuf(prsactx
))
591 if (!RSA_padding_add_PKCS1_PSS_mgf1(prsactx
->rsa
,
593 prsactx
->md
, prsactx
->mgf1_md
,
595 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
598 ret
= RSA_private_encrypt(RSA_size(prsactx
->rsa
), prsactx
->tbuf
,
599 sig
, prsactx
->rsa
, RSA_NO_PADDING
);
604 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_PADDING_MODE
,
605 "Only X.931, PKCS#1 v1.5 or PSS padding allowed");
609 ret
= RSA_private_encrypt(tbslen
, tbs
, sig
, prsactx
->rsa
,
617 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
625 static int rsa_verify_recover_init(void *vprsactx
, void *vrsa
)
627 if (!ossl_prov_is_running())
629 return rsa_signverify_init(vprsactx
, vrsa
, EVP_PKEY_OP_VERIFYRECOVER
);
632 static int rsa_verify_recover(void *vprsactx
,
636 const unsigned char *sig
,
639 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
642 if (!ossl_prov_is_running())
646 *routlen
= RSA_size(prsactx
->rsa
);
650 if (prsactx
->md
!= NULL
) {
651 switch (prsactx
->pad_mode
) {
652 case RSA_X931_PADDING
:
653 if (!setup_tbuf(prsactx
))
655 ret
= RSA_public_decrypt(siglen
, sig
, prsactx
->tbuf
, prsactx
->rsa
,
658 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
662 if (prsactx
->tbuf
[ret
] != RSA_X931_hash_id(prsactx
->mdnid
)) {
663 ERR_raise(ERR_LIB_PROV
, PROV_R_ALGORITHM_MISMATCH
);
666 if (ret
!= EVP_MD_size(prsactx
->md
)) {
667 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST_LENGTH
,
668 "Should be %d, but got %d",
669 EVP_MD_size(prsactx
->md
), ret
);
674 if (rout
!= prsactx
->tbuf
) {
675 if (routsize
< (size_t)ret
) {
676 ERR_raise_data(ERR_LIB_PROV
, PROV_R_OUTPUT_BUFFER_TOO_SMALL
,
677 "buffer size is %d, should be %d",
681 memcpy(rout
, prsactx
->tbuf
, ret
);
685 case RSA_PKCS1_PADDING
:
689 ret
= int_rsa_verify(prsactx
->mdnid
, NULL
, 0, rout
, &sltmp
,
690 sig
, siglen
, prsactx
->rsa
);
692 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
700 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_PADDING_MODE
,
701 "Only X.931 or PKCS#1 v1.5 padding allowed");
705 ret
= RSA_public_decrypt(siglen
, sig
, rout
, prsactx
->rsa
,
708 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
716 static int rsa_verify_init(void *vprsactx
, void *vrsa
)
718 if (!ossl_prov_is_running())
720 return rsa_signverify_init(vprsactx
, vrsa
, EVP_PKEY_OP_VERIFY
);
723 static int rsa_verify(void *vprsactx
, const unsigned char *sig
, size_t siglen
,
724 const unsigned char *tbs
, size_t tbslen
)
726 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
729 if (!ossl_prov_is_running())
731 if (prsactx
->md
!= NULL
) {
732 switch (prsactx
->pad_mode
) {
733 case RSA_PKCS1_PADDING
:
734 if (!RSA_verify(prsactx
->mdnid
, tbs
, tbslen
, sig
, siglen
,
736 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
740 case RSA_X931_PADDING
:
741 if (!setup_tbuf(prsactx
))
743 if (rsa_verify_recover(prsactx
, prsactx
->tbuf
, &rslen
, 0,
747 case RSA_PKCS1_PSS_PADDING
:
753 * We need to check this for the RSA_verify_PKCS1_PSS_mgf1()
756 mdsize
= rsa_get_md_size(prsactx
);
757 if (tbslen
!= mdsize
) {
758 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_DIGEST_LENGTH
,
759 "Should be %d, but got %d",
764 if (!setup_tbuf(prsactx
))
766 ret
= RSA_public_decrypt(siglen
, sig
, prsactx
->tbuf
,
767 prsactx
->rsa
, RSA_NO_PADDING
);
769 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
772 ret
= RSA_verify_PKCS1_PSS_mgf1(prsactx
->rsa
, tbs
,
773 prsactx
->md
, prsactx
->mgf1_md
,
777 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
783 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_PADDING_MODE
,
784 "Only X.931, PKCS#1 v1.5 or PSS padding allowed");
788 if (!setup_tbuf(prsactx
))
790 rslen
= RSA_public_decrypt(siglen
, sig
, prsactx
->tbuf
, prsactx
->rsa
,
793 ERR_raise(ERR_LIB_PROV
, ERR_LIB_RSA
);
798 if ((rslen
!= tbslen
) || memcmp(tbs
, prsactx
->tbuf
, rslen
))
804 static int rsa_digest_signverify_init(void *vprsactx
, const char *mdname
,
805 void *vrsa
, int operation
)
807 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
809 if (!ossl_prov_is_running())
813 prsactx
->flag_allow_md
= 0;
814 if (!rsa_signverify_init(vprsactx
, vrsa
, operation
))
817 /* was rsa_setup_md already called in rsa_signverify_init()? */
818 && (mdname
[0] == '\0' || strcasecmp(prsactx
->mdname
, mdname
) != 0)
819 && !rsa_setup_md(prsactx
, mdname
, prsactx
->propq
))
822 prsactx
->mdctx
= EVP_MD_CTX_new();
823 if (prsactx
->mdctx
== NULL
) {
824 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
828 if (!EVP_DigestInit_ex(prsactx
->mdctx
, prsactx
->md
, NULL
))
834 EVP_MD_CTX_free(prsactx
->mdctx
);
835 EVP_MD_free(prsactx
->md
);
836 prsactx
->mdctx
= NULL
;
841 static int rsa_digest_signverify_update(void *vprsactx
,
842 const unsigned char *data
,
845 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
847 if (prsactx
== NULL
|| prsactx
->mdctx
== NULL
)
850 return EVP_DigestUpdate(prsactx
->mdctx
, data
, datalen
);
853 static int rsa_digest_sign_init(void *vprsactx
, const char *mdname
,
856 if (!ossl_prov_is_running())
858 return rsa_digest_signverify_init(vprsactx
, mdname
, vrsa
,
862 static int rsa_digest_sign_final(void *vprsactx
, unsigned char *sig
,
863 size_t *siglen
, size_t sigsize
)
865 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
866 unsigned char digest
[EVP_MAX_MD_SIZE
];
867 unsigned int dlen
= 0;
869 if (!ossl_prov_is_running() || prsactx
== NULL
)
871 prsactx
->flag_allow_md
= 1;
872 if (prsactx
->mdctx
== NULL
)
875 * If sig is NULL then we're just finding out the sig size. Other fields
876 * are ignored. Defer to rsa_sign.
880 * The digests used here are all known (see rsa_get_md_nid()), so they
881 * should not exceed the internal buffer size of EVP_MAX_MD_SIZE.
883 if (!EVP_DigestFinal_ex(prsactx
->mdctx
, digest
, &dlen
))
887 return rsa_sign(vprsactx
, sig
, siglen
, sigsize
, digest
, (size_t)dlen
);
890 static int rsa_digest_verify_init(void *vprsactx
, const char *mdname
,
893 if (!ossl_prov_is_running())
895 return rsa_digest_signverify_init(vprsactx
, mdname
, vrsa
,
899 int rsa_digest_verify_final(void *vprsactx
, const unsigned char *sig
,
902 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
903 unsigned char digest
[EVP_MAX_MD_SIZE
];
904 unsigned int dlen
= 0;
906 if (!ossl_prov_is_running())
911 prsactx
->flag_allow_md
= 1;
912 if (prsactx
->mdctx
== NULL
)
916 * The digests used here are all known (see rsa_get_md_nid()), so they
917 * should not exceed the internal buffer size of EVP_MAX_MD_SIZE.
919 if (!EVP_DigestFinal_ex(prsactx
->mdctx
, digest
, &dlen
))
922 return rsa_verify(vprsactx
, sig
, siglen
, digest
, (size_t)dlen
);
925 static void rsa_freectx(void *vprsactx
)
927 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
932 EVP_MD_CTX_free(prsactx
->mdctx
);
933 EVP_MD_free(prsactx
->md
);
934 EVP_MD_free(prsactx
->mgf1_md
);
935 OPENSSL_free(prsactx
->propq
);
937 RSA_free(prsactx
->rsa
);
939 OPENSSL_clear_free(prsactx
, sizeof(*prsactx
));
942 static void *rsa_dupctx(void *vprsactx
)
944 PROV_RSA_CTX
*srcctx
= (PROV_RSA_CTX
*)vprsactx
;
945 PROV_RSA_CTX
*dstctx
;
947 if (!ossl_prov_is_running())
950 dstctx
= OPENSSL_zalloc(sizeof(*srcctx
));
951 if (dstctx
== NULL
) {
952 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
959 dstctx
->mdctx
= NULL
;
961 dstctx
->propq
= NULL
;
963 if (srcctx
->rsa
!= NULL
&& !RSA_up_ref(srcctx
->rsa
))
965 dstctx
->rsa
= srcctx
->rsa
;
967 if (srcctx
->md
!= NULL
&& !EVP_MD_up_ref(srcctx
->md
))
969 dstctx
->md
= srcctx
->md
;
971 if (srcctx
->mgf1_md
!= NULL
&& !EVP_MD_up_ref(srcctx
->mgf1_md
))
973 dstctx
->mgf1_md
= srcctx
->mgf1_md
;
975 if (srcctx
->mdctx
!= NULL
) {
976 dstctx
->mdctx
= EVP_MD_CTX_new();
977 if (dstctx
->mdctx
== NULL
978 || !EVP_MD_CTX_copy_ex(dstctx
->mdctx
, srcctx
->mdctx
))
982 if (srcctx
->propq
!= NULL
) {
983 dstctx
->propq
= OPENSSL_strdup(srcctx
->propq
);
984 if (dstctx
->propq
== NULL
)
994 static int rsa_get_ctx_params(void *vprsactx
, OSSL_PARAM
*params
)
996 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
999 if (prsactx
== NULL
|| params
== NULL
)
1002 p
= OSSL_PARAM_locate(params
, OSSL_SIGNATURE_PARAM_ALGORITHM_ID
);
1004 /* The Algorithm Identifier of the combined signature algorithm */
1005 unsigned char aid_buf
[128];
1009 aid
= rsa_generate_signature_aid(prsactx
, aid_buf
,
1010 sizeof(aid_buf
), &aid_len
);
1011 if (aid
== NULL
|| !OSSL_PARAM_set_octet_string(p
, aid
, aid_len
))
1015 p
= OSSL_PARAM_locate(params
, OSSL_SIGNATURE_PARAM_PAD_MODE
);
1017 switch (p
->data_type
) {
1018 case OSSL_PARAM_INTEGER
:
1019 if (!OSSL_PARAM_set_int(p
, prsactx
->pad_mode
))
1022 case OSSL_PARAM_UTF8_STRING
:
1025 const char *word
= NULL
;
1027 for (i
= 0; padding_item
[i
].id
!= 0; i
++) {
1028 if (prsactx
->pad_mode
== (int)padding_item
[i
].id
) {
1029 word
= padding_item
[i
].ptr
;
1035 if (!OSSL_PARAM_set_utf8_string(p
, word
))
1038 ERR_raise(ERR_LIB_PROV
, ERR_R_INTERNAL_ERROR
);
1046 p
= OSSL_PARAM_locate(params
, OSSL_SIGNATURE_PARAM_DIGEST
);
1047 if (p
!= NULL
&& !OSSL_PARAM_set_utf8_string(p
, prsactx
->mdname
))
1050 p
= OSSL_PARAM_locate(params
, OSSL_SIGNATURE_PARAM_MGF1_DIGEST
);
1051 if (p
!= NULL
&& !OSSL_PARAM_set_utf8_string(p
, prsactx
->mgf1_mdname
))
1054 p
= OSSL_PARAM_locate(params
, OSSL_SIGNATURE_PARAM_PSS_SALTLEN
);
1056 if (p
->data_type
== OSSL_PARAM_INTEGER
) {
1057 if (!OSSL_PARAM_set_int(p
, prsactx
->saltlen
))
1059 } else if (p
->data_type
== OSSL_PARAM_UTF8_STRING
) {
1060 const char *value
= NULL
;
1062 switch (prsactx
->saltlen
) {
1063 case RSA_PSS_SALTLEN_DIGEST
:
1064 value
= OSSL_PKEY_RSA_PSS_SALT_LEN_DIGEST
;
1066 case RSA_PSS_SALTLEN_MAX
:
1067 value
= OSSL_PKEY_RSA_PSS_SALT_LEN_MAX
;
1069 case RSA_PSS_SALTLEN_AUTO
:
1070 value
= OSSL_PKEY_RSA_PSS_SALT_LEN_AUTO
;
1074 int len
= BIO_snprintf(p
->data
, p
->data_size
, "%d",
1079 p
->return_size
= len
;
1084 && !OSSL_PARAM_set_utf8_string(p
, value
))
1092 static const OSSL_PARAM known_gettable_ctx_params
[] = {
1093 OSSL_PARAM_octet_string(OSSL_SIGNATURE_PARAM_ALGORITHM_ID
, NULL
, 0),
1094 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PAD_MODE
, NULL
, 0),
1095 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
, NULL
, 0),
1096 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_MGF1_DIGEST
, NULL
, 0),
1097 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PSS_SALTLEN
, NULL
, 0),
1101 static const OSSL_PARAM
*rsa_gettable_ctx_params(ossl_unused
void *vctx
)
1103 return known_gettable_ctx_params
;
1106 static int rsa_set_ctx_params(void *vprsactx
, const OSSL_PARAM params
[])
1108 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
1109 const OSSL_PARAM
*p
;
1110 int pad_mode
= prsactx
->pad_mode
;
1111 int saltlen
= prsactx
->saltlen
;
1112 char mdname
[OSSL_MAX_NAME_SIZE
] = "", *pmdname
= NULL
;
1113 char mdprops
[OSSL_MAX_PROPQUERY_SIZE
] = "", *pmdprops
= NULL
;
1114 char mgf1mdname
[OSSL_MAX_NAME_SIZE
] = "", *pmgf1mdname
= NULL
;
1115 char mgf1mdprops
[OSSL_MAX_PROPQUERY_SIZE
] = "", *pmgf1mdprops
= NULL
;
1117 if (prsactx
== NULL
|| params
== NULL
)
1120 p
= OSSL_PARAM_locate_const(params
, OSSL_SIGNATURE_PARAM_DIGEST
);
1121 /* Not allowed during certain operations */
1122 if (p
!= NULL
&& !prsactx
->flag_allow_md
)
1125 const OSSL_PARAM
*propsp
=
1126 OSSL_PARAM_locate_const(params
,
1127 OSSL_SIGNATURE_PARAM_PROPERTIES
);
1130 if (!OSSL_PARAM_get_utf8_string(p
, &pmdname
, sizeof(mdname
)))
1133 if (propsp
!= NULL
) {
1135 if (!OSSL_PARAM_get_utf8_string(propsp
,
1136 &pmdprops
, sizeof(mdprops
)))
1141 p
= OSSL_PARAM_locate_const(params
, OSSL_SIGNATURE_PARAM_PAD_MODE
);
1143 const char *err_extra_text
= NULL
;
1145 switch (p
->data_type
) {
1146 case OSSL_PARAM_INTEGER
: /* Support for legacy pad mode number */
1147 if (!OSSL_PARAM_get_int(p
, &pad_mode
))
1150 case OSSL_PARAM_UTF8_STRING
:
1154 if (p
->data
== NULL
)
1157 for (i
= 0; padding_item
[i
].id
!= 0; i
++) {
1158 if (strcmp(p
->data
, padding_item
[i
].ptr
) == 0) {
1159 pad_mode
= padding_item
[i
].id
;
1170 case RSA_PKCS1_OAEP_PADDING
:
1172 * OAEP padding is for asymmetric cipher only so is not compatible
1173 * with signature use.
1175 err_extra_text
= "OAEP padding not allowed for signing / verifying";
1177 case RSA_PKCS1_PSS_PADDING
:
1178 if ((prsactx
->operation
1179 & (EVP_PKEY_OP_SIGN
| EVP_PKEY_OP_VERIFY
)) == 0) {
1181 "PSS padding only allowed for sign and verify operations";
1185 case RSA_PKCS1_PADDING
:
1186 err_extra_text
= "PKCS#1 padding not allowed with RSA-PSS";
1188 case RSA_SSLV23_PADDING
:
1189 err_extra_text
= "SSLv3 padding not allowed with RSA-PSS";
1191 case RSA_NO_PADDING
:
1192 err_extra_text
= "No padding not allowed with RSA-PSS";
1194 case RSA_X931_PADDING
:
1195 err_extra_text
= "X.931 padding not allowed with RSA-PSS";
1197 if (RSA_test_flags(prsactx
->rsa
,
1198 RSA_FLAG_TYPE_MASK
) == RSA_FLAG_TYPE_RSA
)
1203 if (err_extra_text
== NULL
)
1204 ERR_raise(ERR_LIB_PROV
,
1205 PROV_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE
);
1207 ERR_raise_data(ERR_LIB_PROV
,
1208 PROV_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE
,
1214 p
= OSSL_PARAM_locate_const(params
, OSSL_SIGNATURE_PARAM_PSS_SALTLEN
);
1216 if (pad_mode
!= RSA_PKCS1_PSS_PADDING
) {
1217 ERR_raise_data(ERR_LIB_PROV
, PROV_R_NOT_SUPPORTED
,
1218 "PSS saltlen can only be specified if "
1219 "PSS padding has been specified first");
1223 switch (p
->data_type
) {
1224 case OSSL_PARAM_INTEGER
: /* Support for legacy pad mode number */
1225 if (!OSSL_PARAM_get_int(p
, &saltlen
))
1228 case OSSL_PARAM_UTF8_STRING
:
1229 if (strcmp(p
->data
, OSSL_PKEY_RSA_PSS_SALT_LEN_DIGEST
) == 0)
1230 saltlen
= RSA_PSS_SALTLEN_DIGEST
;
1231 else if (strcmp(p
->data
, OSSL_PKEY_RSA_PSS_SALT_LEN_MAX
) == 0)
1232 saltlen
= RSA_PSS_SALTLEN_MAX
;
1233 else if (strcmp(p
->data
, OSSL_PKEY_RSA_PSS_SALT_LEN_AUTO
) == 0)
1234 saltlen
= RSA_PSS_SALTLEN_AUTO
;
1236 saltlen
= atoi(p
->data
);
1243 * RSA_PSS_SALTLEN_MAX seems curiously named in this check.
1244 * Contrary to what it's name suggests, it's the currently
1245 * lowest saltlen number possible.
1247 if (saltlen
< RSA_PSS_SALTLEN_MAX
) {
1248 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_SALT_LENGTH
);
1252 if (rsa_pss_restricted(prsactx
)) {
1254 case RSA_PSS_SALTLEN_AUTO
:
1255 if (prsactx
->operation
== EVP_PKEY_OP_VERIFY
) {
1256 ERR_raise_data(ERR_LIB_PROV
, PROV_R_INVALID_SALT_LENGTH
,
1257 "Cannot use autodetected salt length");
1261 case RSA_PSS_SALTLEN_DIGEST
:
1262 if (prsactx
->min_saltlen
> EVP_MD_size(prsactx
->md
)) {
1263 ERR_raise_data(ERR_LIB_PROV
,
1264 PROV_R_PSS_SALTLEN_TOO_SMALL
,
1265 "Should be more than %d, but would be "
1266 "set to match digest size (%d)",
1267 prsactx
->min_saltlen
,
1268 EVP_MD_size(prsactx
->md
));
1273 if (saltlen
>= 0 && saltlen
< prsactx
->min_saltlen
) {
1274 ERR_raise_data(ERR_LIB_PROV
,
1275 PROV_R_PSS_SALTLEN_TOO_SMALL
,
1276 "Should be more than %d, "
1277 "but would be set to %d",
1278 prsactx
->min_saltlen
, saltlen
);
1285 p
= OSSL_PARAM_locate_const(params
, OSSL_SIGNATURE_PARAM_MGF1_DIGEST
);
1287 const OSSL_PARAM
*propsp
=
1288 OSSL_PARAM_locate_const(params
,
1289 OSSL_SIGNATURE_PARAM_MGF1_PROPERTIES
);
1291 pmgf1mdname
= mgf1mdname
;
1292 if (!OSSL_PARAM_get_utf8_string(p
, &pmgf1mdname
, sizeof(mgf1mdname
)))
1295 if (propsp
!= NULL
) {
1296 pmgf1mdprops
= mgf1mdprops
;
1297 if (!OSSL_PARAM_get_utf8_string(propsp
,
1298 &pmgf1mdprops
, sizeof(mgf1mdprops
)))
1302 if (pad_mode
!= RSA_PKCS1_PSS_PADDING
) {
1303 ERR_raise(ERR_LIB_PROV
, PROV_R_INVALID_MGF1_MD
);
1308 prsactx
->saltlen
= saltlen
;
1309 prsactx
->pad_mode
= pad_mode
;
1311 if (prsactx
->md
== NULL
&& pmdname
== NULL
1312 && pad_mode
== RSA_PKCS1_PSS_PADDING
)
1313 pmdname
= RSA_DEFAULT_DIGEST_NAME
;
1315 if (pmgf1mdname
!= NULL
1316 && !rsa_setup_mgf1_md(prsactx
, pmgf1mdname
, pmgf1mdprops
))
1319 if (pmdname
!= NULL
) {
1320 if (!rsa_setup_md(prsactx
, pmdname
, pmdprops
))
1323 if (!rsa_check_padding(prsactx
, NULL
, NULL
, prsactx
->mdnid
))
1329 static const OSSL_PARAM known_settable_ctx_params
[] = {
1330 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PAD_MODE
, NULL
, 0),
1331 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
, NULL
, 0),
1332 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PROPERTIES
, NULL
, 0),
1333 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_MGF1_DIGEST
, NULL
, 0),
1334 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_MGF1_PROPERTIES
, NULL
, 0),
1335 OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PSS_SALTLEN
, NULL
, 0),
1339 static const OSSL_PARAM
*rsa_settable_ctx_params(ossl_unused
void *provctx
)
1342 * TODO(3.0): Should this function return a different set of settable ctx
1343 * params if the ctx is being used for a DigestSign/DigestVerify? In that
1344 * case it is not allowed to set the digest size/digest name because the
1345 * digest is explicitly set as part of the init.
1347 return known_settable_ctx_params
;
1350 static int rsa_get_ctx_md_params(void *vprsactx
, OSSL_PARAM
*params
)
1352 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
1354 if (prsactx
->mdctx
== NULL
)
1357 return EVP_MD_CTX_get_params(prsactx
->mdctx
, params
);
1360 static const OSSL_PARAM
*rsa_gettable_ctx_md_params(void *vprsactx
)
1362 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
1364 if (prsactx
->md
== NULL
)
1367 return EVP_MD_gettable_ctx_params(prsactx
->md
);
1370 static int rsa_set_ctx_md_params(void *vprsactx
, const OSSL_PARAM params
[])
1372 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
1374 if (prsactx
->mdctx
== NULL
)
1377 return EVP_MD_CTX_set_params(prsactx
->mdctx
, params
);
1380 static const OSSL_PARAM
*rsa_settable_ctx_md_params(void *vprsactx
)
1382 PROV_RSA_CTX
*prsactx
= (PROV_RSA_CTX
*)vprsactx
;
1384 if (prsactx
->md
== NULL
)
1387 return EVP_MD_settable_ctx_params(prsactx
->md
);
1390 const OSSL_DISPATCH ossl_rsa_signature_functions
[] = {
1391 { OSSL_FUNC_SIGNATURE_NEWCTX
, (void (*)(void))rsa_newctx
},
1392 { OSSL_FUNC_SIGNATURE_SIGN_INIT
, (void (*)(void))rsa_sign_init
},
1393 { OSSL_FUNC_SIGNATURE_SIGN
, (void (*)(void))rsa_sign
},
1394 { OSSL_FUNC_SIGNATURE_VERIFY_INIT
, (void (*)(void))rsa_verify_init
},
1395 { OSSL_FUNC_SIGNATURE_VERIFY
, (void (*)(void))rsa_verify
},
1396 { OSSL_FUNC_SIGNATURE_VERIFY_RECOVER_INIT
,
1397 (void (*)(void))rsa_verify_recover_init
},
1398 { OSSL_FUNC_SIGNATURE_VERIFY_RECOVER
,
1399 (void (*)(void))rsa_verify_recover
},
1400 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT
,
1401 (void (*)(void))rsa_digest_sign_init
},
1402 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE
,
1403 (void (*)(void))rsa_digest_signverify_update
},
1404 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL
,
1405 (void (*)(void))rsa_digest_sign_final
},
1406 { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT
,
1407 (void (*)(void))rsa_digest_verify_init
},
1408 { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE
,
1409 (void (*)(void))rsa_digest_signverify_update
},
1410 { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL
,
1411 (void (*)(void))rsa_digest_verify_final
},
1412 { OSSL_FUNC_SIGNATURE_FREECTX
, (void (*)(void))rsa_freectx
},
1413 { OSSL_FUNC_SIGNATURE_DUPCTX
, (void (*)(void))rsa_dupctx
},
1414 { OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS
, (void (*)(void))rsa_get_ctx_params
},
1415 { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS
,
1416 (void (*)(void))rsa_gettable_ctx_params
},
1417 { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS
, (void (*)(void))rsa_set_ctx_params
},
1418 { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS
,
1419 (void (*)(void))rsa_settable_ctx_params
},
1420 { OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS
,
1421 (void (*)(void))rsa_get_ctx_md_params
},
1422 { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS
,
1423 (void (*)(void))rsa_gettable_ctx_md_params
},
1424 { OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS
,
1425 (void (*)(void))rsa_set_ctx_md_params
},
1426 { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS
,
1427 (void (*)(void))rsa_settable_ctx_md_params
},