1 | /* |
2 | * Copyright 2006-2016 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 | #include <stdio.h> |
11 | #include <openssl/x509.h> |
12 | #include <openssl/asn1.h> |
13 | #include <openssl/bn.h> |
14 | #include <openssl/cms.h> |
15 | #include <openssl/core_names.h> |
16 | #include "internal/cryptlib.h" |
17 | #include "crypto/asn1.h" |
18 | #include "crypto/evp.h" |
19 | #include "internal/param_build.h" |
20 | #include "dsa_local.h" |
21 | |
22 | static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) |
23 | { |
24 | const unsigned char *p, *pm; |
25 | int pklen, pmlen; |
26 | int ptype; |
27 | const void *pval; |
28 | const ASN1_STRING *pstr; |
29 | X509_ALGOR *palg; |
30 | ASN1_INTEGER *public_key = NULL; |
31 | |
32 | DSA *dsa = NULL; |
33 | |
34 | if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey)) |
35 | return 0; |
36 | X509_ALGOR_get0(NULL, &ptype, &pval, palg); |
37 | |
38 | if (ptype == V_ASN1_SEQUENCE) { |
39 | pstr = pval; |
40 | pm = pstr->data; |
41 | pmlen = pstr->length; |
42 | |
43 | if ((dsa = d2i_DSAparams(NULL, &pm, pmlen)) == NULL) { |
44 | DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); |
45 | goto err; |
46 | } |
47 | |
48 | } else if ((ptype == V_ASN1_NULL) || (ptype == V_ASN1_UNDEF)) { |
49 | if ((dsa = DSA_new()) == NULL) { |
50 | DSAerr(DSA_F_DSA_PUB_DECODE, ERR_R_MALLOC_FAILURE); |
51 | goto err; |
52 | } |
53 | } else { |
54 | DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_PARAMETER_ENCODING_ERROR); |
55 | goto err; |
56 | } |
57 | |
58 | if ((public_key = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL) { |
59 | DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); |
60 | goto err; |
61 | } |
62 | |
63 | if ((dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) { |
64 | DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR); |
65 | goto err; |
66 | } |
67 | |
68 | dsa->dirty_cnt++; |
69 | ASN1_INTEGER_free(public_key); |
70 | EVP_PKEY_assign_DSA(pkey, dsa); |
71 | return 1; |
72 | |
73 | err: |
74 | ASN1_INTEGER_free(public_key); |
75 | DSA_free(dsa); |
76 | return 0; |
77 | |
78 | } |
79 | |
80 | static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) |
81 | { |
82 | DSA *dsa; |
83 | int ptype; |
84 | unsigned char *penc = NULL; |
85 | int penclen; |
86 | ASN1_STRING *str = NULL; |
87 | ASN1_INTEGER *pubint = NULL; |
88 | ASN1_OBJECT *aobj; |
89 | |
90 | dsa = pkey->pkey.dsa; |
91 | if (pkey->save_parameters && dsa->p && dsa->q && dsa->g) { |
92 | str = ASN1_STRING_new(); |
93 | if (str == NULL) { |
94 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); |
95 | goto err; |
96 | } |
97 | str->length = i2d_DSAparams(dsa, &str->data); |
98 | if (str->length <= 0) { |
99 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); |
100 | goto err; |
101 | } |
102 | ptype = V_ASN1_SEQUENCE; |
103 | } else |
104 | ptype = V_ASN1_UNDEF; |
105 | |
106 | pubint = BN_to_ASN1_INTEGER(dsa->pub_key, NULL); |
107 | |
108 | if (pubint == NULL) { |
109 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); |
110 | goto err; |
111 | } |
112 | |
113 | penclen = i2d_ASN1_INTEGER(pubint, &penc); |
114 | ASN1_INTEGER_free(pubint); |
115 | |
116 | if (penclen <= 0) { |
117 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); |
118 | goto err; |
119 | } |
120 | |
121 | aobj = OBJ_nid2obj(EVP_PKEY_DSA); |
122 | if (aobj == NULL) |
123 | goto err; |
124 | |
125 | if (X509_PUBKEY_set0_param(pk, aobj, ptype, str, penc, penclen)) |
126 | return 1; |
127 | |
128 | err: |
129 | OPENSSL_free(penc); |
130 | ASN1_STRING_free(str); |
131 | |
132 | return 0; |
133 | } |
134 | |
135 | /* |
136 | * In PKCS#8 DSA: you just get a private key integer and parameters in the |
137 | * AlgorithmIdentifier the pubkey must be recalculated. |
138 | */ |
139 | |
140 | static int dsa_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8) |
141 | { |
142 | const unsigned char *p, *pm; |
143 | int pklen, pmlen; |
144 | int ptype; |
145 | const void *pval; |
146 | const ASN1_STRING *pstr; |
147 | const X509_ALGOR *palg; |
148 | ASN1_INTEGER *privkey = NULL; |
149 | BN_CTX *ctx = NULL; |
150 | |
151 | DSA *dsa = NULL; |
152 | |
153 | int ret = 0; |
154 | |
155 | if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) |
156 | return 0; |
157 | X509_ALGOR_get0(NULL, &ptype, &pval, palg); |
158 | |
159 | if ((privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL) |
160 | goto decerr; |
161 | if (privkey->type == V_ASN1_NEG_INTEGER || ptype != V_ASN1_SEQUENCE) |
162 | goto decerr; |
163 | |
164 | pstr = pval; |
165 | pm = pstr->data; |
166 | pmlen = pstr->length; |
167 | if ((dsa = d2i_DSAparams(NULL, &pm, pmlen)) == NULL) |
168 | goto decerr; |
169 | /* We have parameters now set private key */ |
170 | if ((dsa->priv_key = BN_secure_new()) == NULL |
171 | || !ASN1_INTEGER_to_BN(privkey, dsa->priv_key)) { |
172 | DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR); |
173 | goto dsaerr; |
174 | } |
175 | /* Calculate public key */ |
176 | if ((dsa->pub_key = BN_new()) == NULL) { |
177 | DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); |
178 | goto dsaerr; |
179 | } |
180 | if ((ctx = BN_CTX_new()) == NULL) { |
181 | DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); |
182 | goto dsaerr; |
183 | } |
184 | |
185 | BN_set_flags(dsa->priv_key, BN_FLG_CONSTTIME); |
186 | if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) { |
187 | DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR); |
188 | goto dsaerr; |
189 | } |
190 | |
191 | dsa->dirty_cnt++; |
192 | EVP_PKEY_assign_DSA(pkey, dsa); |
193 | |
194 | ret = 1; |
195 | goto done; |
196 | |
197 | decerr: |
198 | DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_DECODE_ERROR); |
199 | dsaerr: |
200 | DSA_free(dsa); |
201 | done: |
202 | BN_CTX_free(ctx); |
203 | ASN1_STRING_clear_free(privkey); |
204 | return ret; |
205 | } |
206 | |
207 | static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) |
208 | { |
209 | ASN1_STRING *params = NULL; |
210 | ASN1_INTEGER *prkey = NULL; |
211 | unsigned char *dp = NULL; |
212 | int dplen; |
213 | |
214 | if (pkey->pkey.dsa == NULL|| pkey->pkey.dsa->priv_key == NULL) { |
215 | DSAerr(DSA_F_DSA_PRIV_ENCODE, DSA_R_MISSING_PARAMETERS); |
216 | goto err; |
217 | } |
218 | |
219 | params = ASN1_STRING_new(); |
220 | |
221 | if (params == NULL) { |
222 | DSAerr(DSA_F_DSA_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); |
223 | goto err; |
224 | } |
225 | |
226 | params->length = i2d_DSAparams(pkey->pkey.dsa, ¶ms->data); |
227 | if (params->length <= 0) { |
228 | DSAerr(DSA_F_DSA_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); |
229 | goto err; |
230 | } |
231 | params->type = V_ASN1_SEQUENCE; |
232 | |
233 | /* Get private key into integer */ |
234 | prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL); |
235 | |
236 | if (prkey == NULL) { |
237 | DSAerr(DSA_F_DSA_PRIV_ENCODE, DSA_R_BN_ERROR); |
238 | goto err; |
239 | } |
240 | |
241 | dplen = i2d_ASN1_INTEGER(prkey, &dp); |
242 | |
243 | ASN1_STRING_clear_free(prkey); |
244 | prkey = NULL; |
245 | |
246 | if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0, |
247 | V_ASN1_SEQUENCE, params, dp, dplen)) |
248 | goto err; |
249 | |
250 | return 1; |
251 | |
252 | err: |
253 | OPENSSL_free(dp); |
254 | ASN1_STRING_free(params); |
255 | ASN1_STRING_clear_free(prkey); |
256 | return 0; |
257 | } |
258 | |
259 | static int int_dsa_size(const EVP_PKEY *pkey) |
260 | { |
261 | return DSA_size(pkey->pkey.dsa); |
262 | } |
263 | |
264 | static int dsa_bits(const EVP_PKEY *pkey) |
265 | { |
266 | return DSA_bits(pkey->pkey.dsa); |
267 | } |
268 | |
269 | static int dsa_security_bits(const EVP_PKEY *pkey) |
270 | { |
271 | return DSA_security_bits(pkey->pkey.dsa); |
272 | } |
273 | |
274 | static int dsa_missing_parameters(const EVP_PKEY *pkey) |
275 | { |
276 | DSA *dsa; |
277 | dsa = pkey->pkey.dsa; |
278 | if (dsa == NULL || dsa->p == NULL || dsa->q == NULL || dsa->g == NULL) |
279 | return 1; |
280 | return 0; |
281 | } |
282 | |
283 | static int dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
284 | { |
285 | BIGNUM *a; |
286 | |
287 | if (to->pkey.dsa == NULL) { |
288 | to->pkey.dsa = DSA_new(); |
289 | if (to->pkey.dsa == NULL) |
290 | return 0; |
291 | } |
292 | |
293 | if ((a = BN_dup(from->pkey.dsa->p)) == NULL) |
294 | return 0; |
295 | BN_free(to->pkey.dsa->p); |
296 | to->pkey.dsa->p = a; |
297 | |
298 | if ((a = BN_dup(from->pkey.dsa->q)) == NULL) |
299 | return 0; |
300 | BN_free(to->pkey.dsa->q); |
301 | to->pkey.dsa->q = a; |
302 | |
303 | if ((a = BN_dup(from->pkey.dsa->g)) == NULL) |
304 | return 0; |
305 | BN_free(to->pkey.dsa->g); |
306 | to->pkey.dsa->g = a; |
307 | to->pkey.dsa->dirty_cnt++; |
308 | return 1; |
309 | } |
310 | |
311 | static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
312 | { |
313 | if (BN_cmp(a->pkey.dsa->p, b->pkey.dsa->p) || |
314 | BN_cmp(a->pkey.dsa->q, b->pkey.dsa->q) || |
315 | BN_cmp(a->pkey.dsa->g, b->pkey.dsa->g)) |
316 | return 0; |
317 | else |
318 | return 1; |
319 | } |
320 | |
321 | static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
322 | { |
323 | if (BN_cmp(b->pkey.dsa->pub_key, a->pkey.dsa->pub_key) != 0) |
324 | return 0; |
325 | else |
326 | return 1; |
327 | } |
328 | |
329 | static void int_dsa_free(EVP_PKEY *pkey) |
330 | { |
331 | DSA_free(pkey->pkey.dsa); |
332 | } |
333 | |
334 | static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype) |
335 | { |
336 | int ret = 0; |
337 | const char *ktype = NULL; |
338 | const BIGNUM *priv_key, *pub_key; |
339 | int mod_len = 0; |
340 | |
341 | if (x->p != NULL) |
342 | mod_len = BN_num_bits(x->p); |
343 | |
344 | if (ptype == 2) |
345 | priv_key = x->priv_key; |
346 | else |
347 | priv_key = NULL; |
348 | |
349 | if (ptype > 0) |
350 | pub_key = x->pub_key; |
351 | else |
352 | pub_key = NULL; |
353 | |
354 | if (ptype == 2) |
355 | ktype = "Private-Key" ; |
356 | else if (ptype == 1) |
357 | ktype = "Public-Key" ; |
358 | else |
359 | ktype = "DSA-Parameters" ; |
360 | |
361 | if (priv_key) { |
362 | if (!BIO_indent(bp, off, 128)) |
363 | goto err; |
364 | if (BIO_printf(bp, "%s: (%d bit)\n" , ktype, BN_num_bits(x->p)) |
365 | <= 0) |
366 | goto err; |
367 | } else { |
368 | if (BIO_printf(bp, "Public-Key: (%d bit)\n" , mod_len) <= 0) |
369 | goto err; |
370 | } |
371 | |
372 | if (!ASN1_bn_print(bp, "priv:" , priv_key, NULL, off)) |
373 | goto err; |
374 | if (!ASN1_bn_print(bp, "pub: " , pub_key, NULL, off)) |
375 | goto err; |
376 | if (!ASN1_bn_print(bp, "P: " , x->p, NULL, off)) |
377 | goto err; |
378 | if (!ASN1_bn_print(bp, "Q: " , x->q, NULL, off)) |
379 | goto err; |
380 | if (!ASN1_bn_print(bp, "G: " , x->g, NULL, off)) |
381 | goto err; |
382 | ret = 1; |
383 | err: |
384 | return ret; |
385 | } |
386 | |
387 | static int dsa_param_decode(EVP_PKEY *pkey, |
388 | const unsigned char **pder, int derlen) |
389 | { |
390 | DSA *dsa; |
391 | |
392 | if ((dsa = d2i_DSAparams(NULL, pder, derlen)) == NULL) { |
393 | DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB); |
394 | return 0; |
395 | } |
396 | dsa->dirty_cnt++; |
397 | EVP_PKEY_assign_DSA(pkey, dsa); |
398 | return 1; |
399 | } |
400 | |
401 | static int dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder) |
402 | { |
403 | return i2d_DSAparams(pkey->pkey.dsa, pder); |
404 | } |
405 | |
406 | static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent, |
407 | ASN1_PCTX *ctx) |
408 | { |
409 | return do_dsa_print(bp, pkey->pkey.dsa, indent, 0); |
410 | } |
411 | |
412 | static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent, |
413 | ASN1_PCTX *ctx) |
414 | { |
415 | return do_dsa_print(bp, pkey->pkey.dsa, indent, 1); |
416 | } |
417 | |
418 | static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent, |
419 | ASN1_PCTX *ctx) |
420 | { |
421 | return do_dsa_print(bp, pkey->pkey.dsa, indent, 2); |
422 | } |
423 | |
424 | static int old_dsa_priv_decode(EVP_PKEY *pkey, |
425 | const unsigned char **pder, int derlen) |
426 | { |
427 | DSA *dsa; |
428 | |
429 | if ((dsa = d2i_DSAPrivateKey(NULL, pder, derlen)) == NULL) { |
430 | DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB); |
431 | return 0; |
432 | } |
433 | dsa->dirty_cnt++; |
434 | EVP_PKEY_assign_DSA(pkey, dsa); |
435 | return 1; |
436 | } |
437 | |
438 | static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder) |
439 | { |
440 | return i2d_DSAPrivateKey(pkey->pkey.dsa, pder); |
441 | } |
442 | |
443 | static int dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg, |
444 | const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx) |
445 | { |
446 | DSA_SIG *dsa_sig; |
447 | const unsigned char *p; |
448 | |
449 | if (!sig) { |
450 | if (BIO_puts(bp, "\n" ) <= 0) |
451 | return 0; |
452 | else |
453 | return 1; |
454 | } |
455 | p = sig->data; |
456 | dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length); |
457 | if (dsa_sig) { |
458 | int rv = 0; |
459 | const BIGNUM *r, *s; |
460 | |
461 | DSA_SIG_get0(dsa_sig, &r, &s); |
462 | |
463 | if (BIO_write(bp, "\n" , 1) != 1) |
464 | goto err; |
465 | |
466 | if (!ASN1_bn_print(bp, "r: " , r, NULL, indent)) |
467 | goto err; |
468 | if (!ASN1_bn_print(bp, "s: " , s, NULL, indent)) |
469 | goto err; |
470 | rv = 1; |
471 | err: |
472 | DSA_SIG_free(dsa_sig); |
473 | return rv; |
474 | } |
475 | if (BIO_puts(bp, "\n" ) <= 0) |
476 | return 0; |
477 | return X509_signature_dump(bp, sig, indent); |
478 | } |
479 | |
480 | static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) |
481 | { |
482 | switch (op) { |
483 | case ASN1_PKEY_CTRL_PKCS7_SIGN: |
484 | if (arg1 == 0) { |
485 | int snid, hnid; |
486 | X509_ALGOR *alg1, *alg2; |
487 | PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2); |
488 | if (alg1 == NULL || alg1->algorithm == NULL) |
489 | return -1; |
490 | hnid = OBJ_obj2nid(alg1->algorithm); |
491 | if (hnid == NID_undef) |
492 | return -1; |
493 | if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) |
494 | return -1; |
495 | X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); |
496 | } |
497 | return 1; |
498 | #ifndef OPENSSL_NO_CMS |
499 | case ASN1_PKEY_CTRL_CMS_SIGN: |
500 | if (arg1 == 0) { |
501 | int snid, hnid; |
502 | X509_ALGOR *alg1, *alg2; |
503 | CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2); |
504 | if (alg1 == NULL || alg1->algorithm == NULL) |
505 | return -1; |
506 | hnid = OBJ_obj2nid(alg1->algorithm); |
507 | if (hnid == NID_undef) |
508 | return -1; |
509 | if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) |
510 | return -1; |
511 | X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); |
512 | } |
513 | return 1; |
514 | |
515 | case ASN1_PKEY_CTRL_CMS_RI_TYPE: |
516 | *(int *)arg2 = CMS_RECIPINFO_NONE; |
517 | return 1; |
518 | #endif |
519 | |
520 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: |
521 | *(int *)arg2 = NID_sha256; |
522 | return 1; |
523 | |
524 | default: |
525 | return -2; |
526 | |
527 | } |
528 | |
529 | } |
530 | |
531 | static size_t dsa_pkey_dirty_cnt(const EVP_PKEY *pkey) |
532 | { |
533 | return pkey->pkey.dsa->dirty_cnt; |
534 | } |
535 | |
536 | static void *dsa_pkey_export_to(const EVP_PKEY *pk, EVP_KEYMGMT *keymgmt, |
537 | int want_domainparams) |
538 | { |
539 | DSA *dsa = pk->pkey.dsa; |
540 | OSSL_PARAM_BLD tmpl; |
541 | const BIGNUM *p = DSA_get0_p(dsa), *g = DSA_get0_g(dsa); |
542 | const BIGNUM *q = DSA_get0_q(dsa), *pub_key = DSA_get0_pub_key(dsa); |
543 | const BIGNUM *priv_key = DSA_get0_priv_key(dsa); |
544 | OSSL_PARAM *params; |
545 | void *provdata = NULL; |
546 | |
547 | if (p == NULL || q == NULL || g == NULL) |
548 | return NULL; |
549 | |
550 | ossl_param_bld_init(&tmpl); |
551 | if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_P, p) |
552 | || !ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_Q, q) |
553 | || !ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_G, g)) |
554 | return NULL; |
555 | |
556 | if (!want_domainparams) { |
557 | /* A key must at least have a public part. */ |
558 | if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_DSA_PUB_KEY, |
559 | pub_key)) |
560 | return NULL; |
561 | |
562 | if (priv_key != NULL) { |
563 | if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_DSA_PRIV_KEY, |
564 | priv_key)) |
565 | return NULL; |
566 | } |
567 | } |
568 | |
569 | params = ossl_param_bld_to_param(&tmpl); |
570 | |
571 | /* We export, the provider imports */ |
572 | provdata = want_domainparams |
573 | ? evp_keymgmt_importdomparams(keymgmt, params) |
574 | : evp_keymgmt_importkey(keymgmt, params); |
575 | |
576 | ossl_param_bld_free(params); |
577 | return provdata; |
578 | } |
579 | |
580 | /* NB these are sorted in pkey_id order, lowest first */ |
581 | |
582 | const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[5] = { |
583 | |
584 | { |
585 | EVP_PKEY_DSA2, |
586 | EVP_PKEY_DSA, |
587 | ASN1_PKEY_ALIAS}, |
588 | |
589 | { |
590 | EVP_PKEY_DSA1, |
591 | EVP_PKEY_DSA, |
592 | ASN1_PKEY_ALIAS}, |
593 | |
594 | { |
595 | EVP_PKEY_DSA4, |
596 | EVP_PKEY_DSA, |
597 | ASN1_PKEY_ALIAS}, |
598 | |
599 | { |
600 | EVP_PKEY_DSA3, |
601 | EVP_PKEY_DSA, |
602 | ASN1_PKEY_ALIAS}, |
603 | |
604 | { |
605 | EVP_PKEY_DSA, |
606 | EVP_PKEY_DSA, |
607 | 0, |
608 | |
609 | "DSA" , |
610 | "OpenSSL DSA method" , |
611 | |
612 | dsa_pub_decode, |
613 | dsa_pub_encode, |
614 | dsa_pub_cmp, |
615 | dsa_pub_print, |
616 | |
617 | dsa_priv_decode, |
618 | dsa_priv_encode, |
619 | dsa_priv_print, |
620 | |
621 | int_dsa_size, |
622 | dsa_bits, |
623 | dsa_security_bits, |
624 | |
625 | dsa_param_decode, |
626 | dsa_param_encode, |
627 | dsa_missing_parameters, |
628 | dsa_copy_parameters, |
629 | dsa_cmp_parameters, |
630 | dsa_param_print, |
631 | dsa_sig_print, |
632 | |
633 | int_dsa_free, |
634 | dsa_pkey_ctrl, |
635 | old_dsa_priv_decode, |
636 | old_dsa_priv_encode, |
637 | |
638 | NULL, NULL, NULL, |
639 | NULL, NULL, NULL, |
640 | NULL, NULL, NULL, NULL, |
641 | |
642 | dsa_pkey_dirty_cnt, |
643 | dsa_pkey_export_to |
644 | } |
645 | }; |
646 | |