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edd3b7a3 SL |
1 | /* |
2 | * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
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 | |
8 | */ | |
9 | ||
10 | /* | |
11 | * ECDSA low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
16 | #include <string.h> /* memcpy */ | |
17 | #include <openssl/crypto.h> | |
18 | #include <openssl/core_numbers.h> | |
19 | #include <openssl/core_names.h> | |
20 | #include <openssl/dsa.h> | |
21 | #include <openssl/params.h> | |
22 | #include <openssl/evp.h> | |
23 | #include <openssl/err.h> | |
24 | #include "internal/nelem.h" | |
25 | #include "internal/sizes.h" | |
2d956b32 | 26 | #include "internal/cryptlib.h" |
edd3b7a3 SL |
27 | #include "prov/providercommonerr.h" |
28 | #include "prov/implementations.h" | |
29 | #include "prov/provider_ctx.h" | |
30 | #include "crypto/ec.h" | |
2d956b32 | 31 | #include "prov/der_ec.h" |
edd3b7a3 SL |
32 | |
33 | static OSSL_OP_signature_newctx_fn ecdsa_newctx; | |
34 | static OSSL_OP_signature_sign_init_fn ecdsa_signature_init; | |
35 | static OSSL_OP_signature_verify_init_fn ecdsa_signature_init; | |
36 | static OSSL_OP_signature_sign_fn ecdsa_sign; | |
37 | static OSSL_OP_signature_verify_fn ecdsa_verify; | |
38 | static OSSL_OP_signature_digest_sign_init_fn ecdsa_digest_signverify_init; | |
39 | static OSSL_OP_signature_digest_sign_update_fn ecdsa_digest_signverify_update; | |
40 | static OSSL_OP_signature_digest_sign_final_fn ecdsa_digest_sign_final; | |
41 | static OSSL_OP_signature_digest_verify_init_fn ecdsa_digest_signverify_init; | |
42 | static OSSL_OP_signature_digest_verify_update_fn ecdsa_digest_signverify_update; | |
43 | static OSSL_OP_signature_digest_verify_final_fn ecdsa_digest_verify_final; | |
44 | static OSSL_OP_signature_freectx_fn ecdsa_freectx; | |
45 | static OSSL_OP_signature_dupctx_fn ecdsa_dupctx; | |
46 | static OSSL_OP_signature_get_ctx_params_fn ecdsa_get_ctx_params; | |
47 | static OSSL_OP_signature_gettable_ctx_params_fn ecdsa_gettable_ctx_params; | |
48 | static OSSL_OP_signature_set_ctx_params_fn ecdsa_set_ctx_params; | |
49 | static OSSL_OP_signature_settable_ctx_params_fn ecdsa_settable_ctx_params; | |
50 | static OSSL_OP_signature_get_ctx_md_params_fn ecdsa_get_ctx_md_params; | |
51 | static OSSL_OP_signature_gettable_ctx_md_params_fn ecdsa_gettable_ctx_md_params; | |
52 | static OSSL_OP_signature_set_ctx_md_params_fn ecdsa_set_ctx_md_params; | |
53 | static OSSL_OP_signature_settable_ctx_md_params_fn ecdsa_settable_ctx_md_params; | |
54 | ||
55 | /* | |
56 | * What's passed as an actual key is defined by the KEYMGMT interface. | |
57 | * We happen to know that our KEYMGMT simply passes DSA structures, so | |
58 | * we use that here too. | |
59 | */ | |
60 | ||
61 | typedef struct { | |
62 | OPENSSL_CTX *libctx; | |
63 | EC_KEY *ec; | |
64 | char mdname[OSSL_MAX_NAME_SIZE]; | |
65 | ||
66 | /* The Algorithm Identifier of the combined signature algorithm */ | |
2d956b32 RL |
67 | unsigned char aid_buf[OSSL_MAX_ALGORITHM_ID_SIZE]; |
68 | unsigned char *aid; | |
edd3b7a3 SL |
69 | size_t aid_len; |
70 | size_t mdsize; | |
71 | ||
72 | EVP_MD *md; | |
73 | EVP_MD_CTX *mdctx; | |
74 | /* | |
75 | * This indicates that KAT (CAVS) test is running. Externally an app will | |
76 | * override the random callback such that the generated private key and k | |
77 | * are known. | |
78 | * Normal operation will loop to choose a new k if the signature is not | |
79 | * valid - but for this mode of operation it forces a failure instead. | |
80 | */ | |
81 | unsigned int kattest; | |
82 | /* | |
83 | * Internally used to cache the results of calling the EC group | |
84 | * sign_setup() methods which are then passed to the sign operation. | |
85 | * This is used by CAVS failure tests to terminate a loop if the signature | |
86 | * is not valid. | |
87 | * This could of also been done with a simple flag. | |
88 | */ | |
89 | BIGNUM *kinv; | |
90 | BIGNUM *r; | |
91 | } PROV_ECDSA_CTX; | |
92 | ||
93 | static void *ecdsa_newctx(void *provctx) | |
94 | { | |
95 | PROV_ECDSA_CTX *ctx = OPENSSL_zalloc(sizeof(PROV_ECDSA_CTX)); | |
96 | ||
97 | if (ctx == NULL) | |
98 | return NULL; | |
99 | ||
100 | ctx->libctx = PROV_LIBRARY_CONTEXT_OF(provctx); | |
101 | return ctx; | |
102 | } | |
103 | ||
104 | static int ecdsa_signature_init(void *vctx, void *ec) | |
105 | { | |
106 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
107 | ||
108 | if (ctx == NULL || ec == NULL || !EC_KEY_up_ref(ec)) | |
109 | return 0; | |
110 | EC_KEY_free(ctx->ec); | |
111 | ctx->ec = ec; | |
112 | return 1; | |
113 | } | |
114 | ||
115 | static int ecdsa_sign(void *vctx, unsigned char *sig, size_t *siglen, | |
116 | size_t sigsize, const unsigned char *tbs, size_t tbslen) | |
117 | { | |
118 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
119 | int ret; | |
120 | unsigned int sltmp; | |
121 | size_t ecsize = ECDSA_size(ctx->ec); | |
122 | ||
123 | if (sig == NULL) { | |
124 | *siglen = ecsize; | |
125 | return 1; | |
126 | } | |
127 | ||
128 | if (ctx->kattest && !ECDSA_sign_setup(ctx->ec, NULL, &ctx->kinv, &ctx->r)) | |
129 | return 0; | |
130 | ||
131 | if (sigsize < (size_t)ecsize) | |
132 | return 0; | |
133 | ||
134 | if (ctx->mdsize != 0 && tbslen != ctx->mdsize) | |
135 | return 0; | |
136 | ||
137 | ret = ECDSA_sign_ex(0, tbs, tbslen, sig, &sltmp, ctx->kinv, ctx->r, ctx->ec); | |
138 | if (ret <= 0) | |
139 | return 0; | |
140 | ||
141 | *siglen = sltmp; | |
142 | return 1; | |
143 | } | |
144 | ||
145 | static int ecdsa_verify(void *vctx, const unsigned char *sig, size_t siglen, | |
146 | const unsigned char *tbs, size_t tbslen) | |
147 | { | |
148 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
149 | ||
150 | if (ctx->mdsize != 0 && tbslen != ctx->mdsize) | |
151 | return 0; | |
152 | ||
153 | return ECDSA_verify(0, tbs, tbslen, sig, siglen, ctx->ec); | |
154 | } | |
155 | ||
156 | static int get_md_nid(const EVP_MD *md) | |
157 | { | |
158 | /* | |
159 | * Because the ECDSA library deals with NIDs, we need to translate. | |
160 | * We do so using EVP_MD_is_a(), and therefore need a name to NID | |
161 | * map. | |
162 | */ | |
163 | static const OSSL_ITEM name_to_nid[] = { | |
164 | { NID_sha1, OSSL_DIGEST_NAME_SHA1 }, | |
165 | { NID_sha224, OSSL_DIGEST_NAME_SHA2_224 }, | |
166 | { NID_sha256, OSSL_DIGEST_NAME_SHA2_256 }, | |
167 | { NID_sha384, OSSL_DIGEST_NAME_SHA2_384 }, | |
168 | { NID_sha512, OSSL_DIGEST_NAME_SHA2_512 }, | |
169 | { NID_sha3_224, OSSL_DIGEST_NAME_SHA3_224 }, | |
170 | { NID_sha3_256, OSSL_DIGEST_NAME_SHA3_256 }, | |
171 | { NID_sha3_384, OSSL_DIGEST_NAME_SHA3_384 }, | |
172 | { NID_sha3_512, OSSL_DIGEST_NAME_SHA3_512 }, | |
173 | /* TODO - Add SHAKE OIDS when they are standardized */ | |
174 | ||
175 | }; | |
176 | size_t i; | |
177 | int mdnid = NID_undef; | |
178 | ||
179 | if (md == NULL) | |
180 | goto end; | |
181 | ||
182 | for (i = 0; i < OSSL_NELEM(name_to_nid); i++) { | |
183 | if (EVP_MD_is_a(md, name_to_nid[i].ptr)) { | |
184 | mdnid = (int)name_to_nid[i].id; | |
185 | break; | |
186 | } | |
187 | } | |
188 | ||
189 | if (mdnid == NID_undef) | |
190 | ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST); | |
191 | ||
192 | end: | |
193 | return mdnid; | |
194 | } | |
195 | ||
196 | static void free_md(PROV_ECDSA_CTX *ctx) | |
197 | { | |
198 | EVP_MD_CTX_free(ctx->mdctx); | |
199 | EVP_MD_free(ctx->md); | |
200 | ctx->mdctx = NULL; | |
201 | ctx->md = NULL; | |
202 | ctx->mdsize = 0; | |
203 | } | |
204 | ||
205 | static int ecdsa_digest_signverify_init(void *vctx, const char *mdname, | |
206 | const char *props, void *ec) | |
207 | { | |
208 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
2d956b32 RL |
209 | int md_nid = NID_undef; |
210 | WPACKET pkt; | |
edd3b7a3 SL |
211 | |
212 | free_md(ctx); | |
213 | ||
214 | if (!ecdsa_signature_init(vctx, ec)) | |
215 | return 0; | |
216 | ||
217 | ctx->md = EVP_MD_fetch(ctx->libctx, mdname, props); | |
2d956b32 | 218 | if ((md_nid = get_md_nid(ctx->md)) == NID_undef) |
edd3b7a3 SL |
219 | goto error; |
220 | ||
221 | ctx->mdsize = EVP_MD_size(ctx->md); | |
222 | ctx->mdctx = EVP_MD_CTX_new(); | |
223 | if (ctx->mdctx == NULL) | |
224 | goto error; | |
225 | ||
2d956b32 RL |
226 | /* |
227 | * TODO(3.0) Should we care about DER writing errors? | |
228 | * All it really means is that for some reason, there's no | |
229 | * AlgorithmIdentifier to be had, but the operation itself is | |
230 | * still valid, just as long as it's not used to construct | |
231 | * anything that needs an AlgorithmIdentifier. | |
232 | */ | |
233 | ctx->aid_len = 0; | |
234 | if (WPACKET_init_der(&pkt, ctx->aid_buf, sizeof(ctx->aid_buf)) | |
235 | && DER_w_algorithmIdentifier_ECDSA_with(&pkt, -1, ctx->ec, md_nid) | |
236 | && WPACKET_finish(&pkt)) { | |
237 | WPACKET_get_total_written(&pkt, &ctx->aid_len); | |
238 | ctx->aid = WPACKET_get_curr(&pkt); | |
239 | } | |
240 | WPACKET_cleanup(&pkt); | |
edd3b7a3 SL |
241 | |
242 | if (!EVP_DigestInit_ex(ctx->mdctx, ctx->md, NULL)) | |
243 | goto error; | |
244 | return 1; | |
245 | error: | |
246 | free_md(ctx); | |
247 | return 0; | |
248 | } | |
249 | ||
250 | int ecdsa_digest_signverify_update(void *vctx, const unsigned char *data, | |
251 | size_t datalen) | |
252 | { | |
253 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
254 | ||
255 | if (ctx == NULL || ctx->mdctx == NULL) | |
256 | return 0; | |
257 | ||
258 | return EVP_DigestUpdate(ctx->mdctx, data, datalen); | |
259 | } | |
260 | ||
261 | int ecdsa_digest_sign_final(void *vctx, unsigned char *sig, size_t *siglen, | |
262 | size_t sigsize) | |
263 | { | |
264 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
265 | unsigned char digest[EVP_MAX_MD_SIZE]; | |
266 | unsigned int dlen = 0; | |
267 | ||
268 | if (ctx == NULL || ctx->mdctx == NULL) | |
269 | return 0; | |
270 | ||
271 | /* | |
272 | * If sig is NULL then we're just finding out the sig size. Other fields | |
273 | * are ignored. Defer to ecdsa_sign. | |
274 | */ | |
275 | if (sig != NULL) { | |
276 | /* | |
277 | * TODO(3.0): There is the possibility that some externally provided | |
278 | * digests exceed EVP_MAX_MD_SIZE. We should probably handle that somehow - | |
279 | * but that problem is much larger than just in DSA. | |
280 | */ | |
281 | if (!EVP_DigestFinal_ex(ctx->mdctx, digest, &dlen)) | |
282 | return 0; | |
283 | } | |
284 | ||
285 | return ecdsa_sign(vctx, sig, siglen, sigsize, digest, (size_t)dlen); | |
286 | } | |
287 | ||
288 | int ecdsa_digest_verify_final(void *vctx, const unsigned char *sig, | |
289 | size_t siglen) | |
290 | { | |
291 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
292 | unsigned char digest[EVP_MAX_MD_SIZE]; | |
293 | unsigned int dlen = 0; | |
294 | ||
295 | if (ctx == NULL || ctx->mdctx == NULL) | |
296 | return 0; | |
297 | ||
298 | /* | |
299 | * TODO(3.0): There is the possibility that some externally provided | |
300 | * digests exceed EVP_MAX_MD_SIZE. We should probably handle that somehow - | |
301 | * but that problem is much larger than just in DSA. | |
302 | */ | |
303 | if (!EVP_DigestFinal_ex(ctx->mdctx, digest, &dlen)) | |
304 | return 0; | |
305 | ||
306 | return ecdsa_verify(ctx, sig, siglen, digest, (size_t)dlen); | |
307 | } | |
308 | ||
309 | static void ecdsa_freectx(void *vctx) | |
310 | { | |
311 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
312 | ||
313 | free_md(ctx); | |
314 | EC_KEY_free(ctx->ec); | |
315 | BN_clear_free(ctx->kinv); | |
316 | BN_clear_free(ctx->r); | |
317 | OPENSSL_free(ctx); | |
318 | } | |
319 | ||
320 | static void *ecdsa_dupctx(void *vctx) | |
321 | { | |
322 | PROV_ECDSA_CTX *srcctx = (PROV_ECDSA_CTX *)vctx; | |
323 | PROV_ECDSA_CTX *dstctx; | |
324 | ||
325 | dstctx = OPENSSL_zalloc(sizeof(*srcctx)); | |
326 | if (dstctx == NULL) | |
327 | return NULL; | |
328 | ||
329 | *dstctx = *srcctx; | |
330 | dstctx->ec = NULL; | |
331 | dstctx->md = NULL; | |
332 | dstctx->mdctx = NULL; | |
333 | ||
334 | if (srcctx->ec != NULL && !EC_KEY_up_ref(srcctx->ec)) | |
335 | goto err; | |
336 | /* Test KATS should not need to be supported */ | |
337 | if (srcctx->kinv != NULL || srcctx->r != NULL) | |
338 | goto err; | |
339 | dstctx->ec = srcctx->ec; | |
340 | ||
341 | if (srcctx->md != NULL && !EVP_MD_up_ref(srcctx->md)) | |
342 | goto err; | |
343 | dstctx->md = srcctx->md; | |
344 | ||
345 | if (srcctx->mdctx != NULL) { | |
346 | dstctx->mdctx = EVP_MD_CTX_new(); | |
347 | if (dstctx->mdctx == NULL | |
348 | || !EVP_MD_CTX_copy_ex(dstctx->mdctx, srcctx->mdctx)) | |
349 | goto err; | |
350 | } | |
351 | ||
352 | return dstctx; | |
353 | err: | |
354 | ecdsa_freectx(dstctx); | |
355 | return NULL; | |
356 | } | |
357 | ||
358 | static int ecdsa_get_ctx_params(void *vctx, OSSL_PARAM *params) | |
359 | { | |
360 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
361 | OSSL_PARAM *p; | |
362 | ||
363 | if (ctx == NULL || params == NULL) | |
364 | return 0; | |
365 | ||
366 | p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_ALGORITHM_ID); | |
367 | if (p != NULL && !OSSL_PARAM_set_octet_string(p, ctx->aid, ctx->aid_len)) | |
368 | return 0; | |
369 | ||
370 | p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_DIGEST_SIZE); | |
371 | if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->mdsize)) | |
372 | return 0; | |
373 | ||
374 | p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_DIGEST); | |
375 | if (p != NULL && !OSSL_PARAM_set_utf8_string(p, ctx->md == NULL | |
376 | ? ctx->mdname | |
377 | : EVP_MD_name(ctx->md))) | |
378 | return 0; | |
379 | ||
380 | return 1; | |
381 | } | |
382 | ||
383 | static const OSSL_PARAM known_gettable_ctx_params[] = { | |
384 | OSSL_PARAM_octet_string(OSSL_SIGNATURE_PARAM_ALGORITHM_ID, NULL, 0), | |
385 | OSSL_PARAM_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE, NULL), | |
386 | OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0), | |
387 | OSSL_PARAM_END | |
388 | }; | |
389 | ||
390 | static const OSSL_PARAM *ecdsa_gettable_ctx_params(void) | |
391 | { | |
392 | return known_gettable_ctx_params; | |
393 | } | |
394 | ||
395 | static int ecdsa_set_ctx_params(void *vctx, const OSSL_PARAM params[]) | |
396 | { | |
397 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
398 | const OSSL_PARAM *p; | |
399 | char *mdname; | |
400 | ||
401 | if (ctx == NULL || params == NULL) | |
402 | return 0; | |
403 | ||
404 | if (ctx->md != NULL) { | |
405 | /* | |
406 | * You cannot set the digest name/size when doing a DigestSign or | |
407 | * DigestVerify. | |
408 | */ | |
409 | return 1; | |
410 | } | |
411 | ||
412 | p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_KAT); | |
413 | if (p != NULL && !OSSL_PARAM_get_uint(p, &ctx->kattest)) | |
414 | return 0; | |
415 | ||
416 | p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_DIGEST_SIZE); | |
417 | if (p != NULL && !OSSL_PARAM_get_size_t(p, &ctx->mdsize)) | |
418 | return 0; | |
419 | ||
420 | /* | |
421 | * We never actually use the mdname, but we do support getting it later. | |
422 | * This can be useful for applications that want to know the MD that they | |
423 | * previously set. | |
424 | */ | |
425 | p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_DIGEST); | |
426 | mdname = ctx->mdname; | |
427 | if (p != NULL | |
428 | && !OSSL_PARAM_get_utf8_string(p, &mdname, sizeof(ctx->mdname))) | |
429 | return 0; | |
430 | ||
431 | return 1; | |
432 | } | |
433 | ||
434 | static const OSSL_PARAM known_settable_ctx_params[] = { | |
435 | OSSL_PARAM_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE, NULL), | |
436 | OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0), | |
437 | OSSL_PARAM_uint(OSSL_SIGNATURE_PARAM_KAT, NULL), | |
438 | OSSL_PARAM_END | |
439 | }; | |
440 | ||
441 | static const OSSL_PARAM *ecdsa_settable_ctx_params(void) | |
442 | { | |
443 | /* | |
444 | * TODO(3.0): Should this function return a different set of settable ctx | |
445 | * params if the ctx is being used for a DigestSign/DigestVerify? In that | |
446 | * case it is not allowed to set the digest size/digest name because the | |
447 | * digest is explicitly set as part of the init. | |
448 | */ | |
449 | return known_settable_ctx_params; | |
450 | } | |
451 | ||
452 | static int ecdsa_get_ctx_md_params(void *vctx, OSSL_PARAM *params) | |
453 | { | |
454 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
455 | ||
456 | if (ctx->mdctx == NULL) | |
457 | return 0; | |
458 | ||
459 | return EVP_MD_CTX_get_params(ctx->mdctx, params); | |
460 | } | |
461 | ||
462 | static const OSSL_PARAM *ecdsa_gettable_ctx_md_params(void *vctx) | |
463 | { | |
464 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
465 | ||
466 | if (ctx->md == NULL) | |
467 | return 0; | |
468 | ||
469 | return EVP_MD_gettable_ctx_params(ctx->md); | |
470 | } | |
471 | ||
472 | static int ecdsa_set_ctx_md_params(void *vctx, const OSSL_PARAM params[]) | |
473 | { | |
474 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
475 | ||
476 | if (ctx->mdctx == NULL) | |
477 | return 0; | |
478 | ||
479 | return EVP_MD_CTX_set_params(ctx->mdctx, params); | |
480 | } | |
481 | ||
482 | static const OSSL_PARAM *ecdsa_settable_ctx_md_params(void *vctx) | |
483 | { | |
484 | PROV_ECDSA_CTX *ctx = (PROV_ECDSA_CTX *)vctx; | |
485 | ||
486 | if (ctx->md == NULL) | |
487 | return 0; | |
488 | ||
489 | return EVP_MD_settable_ctx_params(ctx->md); | |
490 | } | |
491 | ||
492 | const OSSL_DISPATCH ecdsa_signature_functions[] = { | |
493 | { OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))ecdsa_newctx }, | |
494 | { OSSL_FUNC_SIGNATURE_SIGN_INIT, (void (*)(void))ecdsa_signature_init }, | |
495 | { OSSL_FUNC_SIGNATURE_SIGN, (void (*)(void))ecdsa_sign }, | |
496 | { OSSL_FUNC_SIGNATURE_VERIFY_INIT, (void (*)(void))ecdsa_signature_init }, | |
497 | { OSSL_FUNC_SIGNATURE_VERIFY, (void (*)(void))ecdsa_verify }, | |
498 | { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT, | |
499 | (void (*)(void))ecdsa_digest_signverify_init }, | |
500 | { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE, | |
501 | (void (*)(void))ecdsa_digest_signverify_update }, | |
502 | { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL, | |
503 | (void (*)(void))ecdsa_digest_sign_final }, | |
504 | { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT, | |
505 | (void (*)(void))ecdsa_digest_signverify_init }, | |
506 | { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE, | |
507 | (void (*)(void))ecdsa_digest_signverify_update }, | |
508 | { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL, | |
509 | (void (*)(void))ecdsa_digest_verify_final }, | |
510 | { OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))ecdsa_freectx }, | |
511 | { OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))ecdsa_dupctx }, | |
512 | { OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS, (void (*)(void))ecdsa_get_ctx_params }, | |
513 | { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS, | |
514 | (void (*)(void))ecdsa_gettable_ctx_params }, | |
515 | { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, (void (*)(void))ecdsa_set_ctx_params }, | |
516 | { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS, | |
517 | (void (*)(void))ecdsa_settable_ctx_params }, | |
518 | { OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS, | |
519 | (void (*)(void))ecdsa_get_ctx_md_params }, | |
520 | { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS, | |
521 | (void (*)(void))ecdsa_gettable_ctx_md_params }, | |
522 | { OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS, | |
523 | (void (*)(void))ecdsa_set_ctx_md_params }, | |
524 | { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS, | |
525 | (void (*)(void))ecdsa_settable_ctx_md_params }, | |
526 | { 0, NULL } | |
527 | }; |