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Commit | Line | Data |
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0f113f3e | 1 | /* |
d2e9e320 | 2 | * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. |
448be743 | 3 | * |
3cdbea65 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
d2e9e320 RS |
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 | |
448be743 DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
448be743 DSH |
11 | #include <openssl/x509.h> |
12 | #include <openssl/asn1.h> | |
1e26a8ba | 13 | #include <openssl/bn.h> |
3c27208f | 14 | #include <openssl/cms.h> |
4889dadc MC |
15 | #include <openssl/core_names.h> |
16 | #include "internal/cryptlib.h" | |
25f2138b DMSP |
17 | #include "crypto/asn1.h" |
18 | #include "crypto/evp.h" | |
4889dadc | 19 | #include "internal/param_build.h" |
706457b7 | 20 | #include "dsa_local.h" |
448be743 DSH |
21 | |
22 | static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) | |
0f113f3e MC |
23 | { |
24 | const unsigned char *p, *pm; | |
25 | int pklen, pmlen; | |
26 | int ptype; | |
ac4e2577 DSH |
27 | const void *pval; |
28 | const ASN1_STRING *pstr; | |
0f113f3e MC |
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 | ||
75ebbd9a | 43 | if ((dsa = d2i_DSAparams(NULL, &pm, pmlen)) == NULL) { |
0f113f3e MC |
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)) { | |
75ebbd9a | 49 | if ((dsa = DSA_new()) == NULL) { |
0f113f3e MC |
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 | ||
75ebbd9a | 58 | if ((public_key = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL) { |
0f113f3e MC |
59 | DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); |
60 | goto err; | |
61 | } | |
62 | ||
75ebbd9a | 63 | if ((dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) { |
0f113f3e MC |
64 | DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR); |
65 | goto err; | |
66 | } | |
67 | ||
4889dadc | 68 | dsa->dirty_cnt++; |
0f113f3e MC |
69 | ASN1_INTEGER_free(public_key); |
70 | EVP_PKEY_assign_DSA(pkey, dsa); | |
71 | return 1; | |
72 | ||
73 | err: | |
2ace7450 | 74 | ASN1_INTEGER_free(public_key); |
d6407083 | 75 | DSA_free(dsa); |
0f113f3e MC |
76 | return 0; |
77 | ||
78 | } | |
448be743 | 79 | |
6f81892e | 80 | static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) |
0f113f3e MC |
81 | { |
82 | DSA *dsa; | |
0f113f3e MC |
83 | int ptype; |
84 | unsigned char *penc = NULL; | |
85 | int penclen; | |
0c7ca403 | 86 | ASN1_STRING *str = NULL; |
ea6b07b5 | 87 | ASN1_INTEGER *pubint = NULL; |
7760384b | 88 | ASN1_OBJECT *aobj; |
0f113f3e MC |
89 | |
90 | dsa = pkey->pkey.dsa; | |
dc8de3e6 SL |
91 | if (pkey->save_parameters |
92 | && dsa->params.p != NULL | |
93 | && dsa->params.q != NULL | |
94 | && dsa->params.g != NULL) { | |
0f113f3e | 95 | str = ASN1_STRING_new(); |
90945fa3 | 96 | if (str == NULL) { |
0c7ca403 MC |
97 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); |
98 | goto err; | |
99 | } | |
0f113f3e MC |
100 | str->length = i2d_DSAparams(dsa, &str->data); |
101 | if (str->length <= 0) { | |
102 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); | |
103 | goto err; | |
104 | } | |
0f113f3e MC |
105 | ptype = V_ASN1_SEQUENCE; |
106 | } else | |
107 | ptype = V_ASN1_UNDEF; | |
108 | ||
ea6b07b5 | 109 | pubint = BN_to_ASN1_INTEGER(dsa->pub_key, NULL); |
0f113f3e | 110 | |
ea6b07b5 DSH |
111 | if (pubint == NULL) { |
112 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); | |
113 | goto err; | |
114 | } | |
115 | ||
116 | penclen = i2d_ASN1_INTEGER(pubint, &penc); | |
117 | ASN1_INTEGER_free(pubint); | |
0f113f3e MC |
118 | |
119 | if (penclen <= 0) { | |
120 | DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); | |
121 | goto err; | |
122 | } | |
123 | ||
7760384b PK |
124 | aobj = OBJ_nid2obj(EVP_PKEY_DSA); |
125 | if (aobj == NULL) | |
126 | goto err; | |
127 | ||
128 | if (X509_PUBKEY_set0_param(pk, aobj, ptype, str, penc, penclen)) | |
0f113f3e MC |
129 | return 1; |
130 | ||
131 | err: | |
b548a1f1 | 132 | OPENSSL_free(penc); |
0dfb9398 | 133 | ASN1_STRING_free(str); |
0f113f3e MC |
134 | |
135 | return 0; | |
136 | } | |
137 | ||
138 | /* | |
139 | * In PKCS#8 DSA: you just get a private key integer and parameters in the | |
448be743 DSH |
140 | * AlgorithmIdentifier the pubkey must be recalculated. |
141 | */ | |
0f113f3e | 142 | |
245c6bc3 | 143 | static int dsa_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8) |
0f113f3e | 144 | { |
dfb10af9 | 145 | const unsigned char *p, *pm; |
0f113f3e MC |
146 | int pklen, pmlen; |
147 | int ptype; | |
ac4e2577 DSH |
148 | const void *pval; |
149 | const ASN1_STRING *pstr; | |
245c6bc3 | 150 | const X509_ALGOR *palg; |
0f113f3e MC |
151 | ASN1_INTEGER *privkey = NULL; |
152 | BN_CTX *ctx = NULL; | |
153 | ||
0f113f3e MC |
154 | DSA *dsa = NULL; |
155 | ||
ab4a81f6 DSH |
156 | int ret = 0; |
157 | ||
0f113f3e MC |
158 | if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) |
159 | return 0; | |
160 | X509_ALGOR_get0(NULL, &ptype, &pval, palg); | |
161 | ||
ab4a81f6 DSH |
162 | if ((privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL) |
163 | goto decerr; | |
dfb10af9 | 164 | if (privkey->type == V_ASN1_NEG_INTEGER || ptype != V_ASN1_SEQUENCE) |
ab4a81f6 | 165 | goto decerr; |
0f113f3e MC |
166 | |
167 | pstr = pval; | |
168 | pm = pstr->data; | |
169 | pmlen = pstr->length; | |
75ebbd9a | 170 | if ((dsa = d2i_DSAparams(NULL, &pm, pmlen)) == NULL) |
0f113f3e MC |
171 | goto decerr; |
172 | /* We have parameters now set private key */ | |
74924dcb RS |
173 | if ((dsa->priv_key = BN_secure_new()) == NULL |
174 | || !ASN1_INTEGER_to_BN(privkey, dsa->priv_key)) { | |
0f113f3e MC |
175 | DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR); |
176 | goto dsaerr; | |
177 | } | |
178 | /* Calculate public key */ | |
75ebbd9a | 179 | if ((dsa->pub_key = BN_new()) == NULL) { |
0f113f3e MC |
180 | DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); |
181 | goto dsaerr; | |
182 | } | |
75ebbd9a | 183 | if ((ctx = BN_CTX_new()) == NULL) { |
0f113f3e MC |
184 | DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); |
185 | goto dsaerr; | |
186 | } | |
187 | ||
6364475a | 188 | BN_set_flags(dsa->priv_key, BN_FLG_CONSTTIME); |
dc8de3e6 SL |
189 | if (!BN_mod_exp(dsa->pub_key, dsa->params.g, dsa->priv_key, dsa->params.p, |
190 | ctx)) { | |
0f113f3e MC |
191 | DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR); |
192 | goto dsaerr; | |
193 | } | |
194 | ||
4889dadc | 195 | dsa->dirty_cnt++; |
0f113f3e | 196 | EVP_PKEY_assign_DSA(pkey, dsa); |
0f113f3e | 197 | |
ab4a81f6 DSH |
198 | ret = 1; |
199 | goto done; | |
0f113f3e MC |
200 | |
201 | decerr: | |
f6fb7f18 | 202 | DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_DECODE_ERROR); |
0f113f3e | 203 | dsaerr: |
ab4a81f6 DSH |
204 | DSA_free(dsa); |
205 | done: | |
0f113f3e | 206 | BN_CTX_free(ctx); |
2ace7450 | 207 | ASN1_STRING_clear_free(privkey); |
ab4a81f6 | 208 | return ret; |
0f113f3e | 209 | } |
448be743 | 210 | |
6f81892e | 211 | static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) |
448be743 | 212 | { |
0f113f3e MC |
213 | ASN1_STRING *params = NULL; |
214 | ASN1_INTEGER *prkey = NULL; | |
215 | unsigned char *dp = NULL; | |
216 | int dplen; | |
217 | ||
12a765a5 | 218 | if (pkey->pkey.dsa == NULL|| pkey->pkey.dsa->priv_key == NULL) { |
0f113f3e MC |
219 | DSAerr(DSA_F_DSA_PRIV_ENCODE, DSA_R_MISSING_PARAMETERS); |
220 | goto err; | |
221 | } | |
222 | ||
223 | params = ASN1_STRING_new(); | |
224 | ||
90945fa3 | 225 | if (params == NULL) { |
0f113f3e MC |
226 | DSAerr(DSA_F_DSA_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); |
227 | goto err; | |
228 | } | |
229 | ||
230 | params->length = i2d_DSAparams(pkey->pkey.dsa, ¶ms->data); | |
231 | if (params->length <= 0) { | |
232 | DSAerr(DSA_F_DSA_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); | |
233 | goto err; | |
234 | } | |
235 | params->type = V_ASN1_SEQUENCE; | |
236 | ||
237 | /* Get private key into integer */ | |
238 | prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL); | |
239 | ||
12a765a5 | 240 | if (prkey == NULL) { |
0f113f3e MC |
241 | DSAerr(DSA_F_DSA_PRIV_ENCODE, DSA_R_BN_ERROR); |
242 | goto err; | |
243 | } | |
244 | ||
245 | dplen = i2d_ASN1_INTEGER(prkey, &dp); | |
246 | ||
a8ae0891 | 247 | ASN1_STRING_clear_free(prkey); |
fa4629b6 | 248 | prkey = NULL; |
0f113f3e MC |
249 | |
250 | if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0, | |
251 | V_ASN1_SEQUENCE, params, dp, dplen)) | |
252 | goto err; | |
253 | ||
254 | return 1; | |
255 | ||
256 | err: | |
b548a1f1 | 257 | OPENSSL_free(dp); |
0dfb9398 | 258 | ASN1_STRING_free(params); |
2ace7450 | 259 | ASN1_STRING_clear_free(prkey); |
0f113f3e | 260 | return 0; |
448be743 DSH |
261 | } |
262 | ||
6f81892e | 263 | static int int_dsa_size(const EVP_PKEY *pkey) |
0f113f3e | 264 | { |
26a7d938 | 265 | return DSA_size(pkey->pkey.dsa); |
0f113f3e | 266 | } |
6f81892e DSH |
267 | |
268 | static int dsa_bits(const EVP_PKEY *pkey) | |
0f113f3e | 269 | { |
5d8d9a8e | 270 | return DSA_bits(pkey->pkey.dsa); |
0f113f3e | 271 | } |
6f81892e | 272 | |
2514fa79 | 273 | static int dsa_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
274 | { |
275 | return DSA_security_bits(pkey->pkey.dsa); | |
276 | } | |
2514fa79 | 277 | |
6f81892e | 278 | static int dsa_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e MC |
279 | { |
280 | DSA *dsa; | |
281 | dsa = pkey->pkey.dsa; | |
dc8de3e6 SL |
282 | return dsa == NULL |
283 | || dsa->params.p == NULL | |
284 | || dsa->params.q == NULL | |
285 | || dsa->params.g == NULL; | |
0f113f3e | 286 | } |
6f81892e DSH |
287 | |
288 | static int dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) | |
0f113f3e | 289 | { |
2986ecdc DSH |
290 | if (to->pkey.dsa == NULL) { |
291 | to->pkey.dsa = DSA_new(); | |
292 | if (to->pkey.dsa == NULL) | |
293 | return 0; | |
294 | } | |
dc8de3e6 | 295 | if (!ffc_params_copy(&to->pkey.dsa->params, &from->pkey.dsa->params)) |
0f113f3e | 296 | return 0; |
0f113f3e | 297 | |
4889dadc | 298 | to->pkey.dsa->dirty_cnt++; |
0f113f3e MC |
299 | return 1; |
300 | } | |
6f81892e DSH |
301 | |
302 | static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 303 | { |
dc8de3e6 | 304 | return ffc_params_cmp(&a->pkey.dsa->params, &b->pkey.dsa->params, 1); |
0f113f3e | 305 | } |
6f81892e | 306 | |
0cb8499b | 307 | static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e | 308 | { |
dc8de3e6 | 309 | return BN_cmp(b->pkey.dsa->pub_key, a->pkey.dsa->pub_key) == 0; |
0f113f3e | 310 | } |
0cb8499b | 311 | |
6f81892e | 312 | static void int_dsa_free(EVP_PKEY *pkey) |
0f113f3e MC |
313 | { |
314 | DSA_free(pkey->pkey.dsa); | |
315 | } | |
6f81892e | 316 | |
777c47ac | 317 | static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype) |
0f113f3e | 318 | { |
0f113f3e | 319 | int ret = 0; |
0f113f3e | 320 | const char *ktype = NULL; |
0f113f3e | 321 | const BIGNUM *priv_key, *pub_key; |
aecf529b | 322 | int mod_len = 0; |
323 | ||
dc8de3e6 SL |
324 | if (x->params.p != NULL) |
325 | mod_len = DSA_bits(x); | |
0f113f3e MC |
326 | |
327 | if (ptype == 2) | |
328 | priv_key = x->priv_key; | |
329 | else | |
330 | priv_key = NULL; | |
331 | ||
332 | if (ptype > 0) | |
333 | pub_key = x->pub_key; | |
334 | else | |
335 | pub_key = NULL; | |
336 | ||
337 | if (ptype == 2) | |
338 | ktype = "Private-Key"; | |
339 | else if (ptype == 1) | |
340 | ktype = "Public-Key"; | |
341 | else | |
342 | ktype = "DSA-Parameters"; | |
343 | ||
dc8de3e6 | 344 | if (priv_key != NULL) { |
0f113f3e MC |
345 | if (!BIO_indent(bp, off, 128)) |
346 | goto err; | |
dc8de3e6 | 347 | if (BIO_printf(bp, "%s: (%d bit)\n", ktype, mod_len) <= 0) |
0f113f3e | 348 | goto err; |
aecf529b | 349 | } else { |
350 | if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len) <= 0) | |
351 | goto err; | |
0f113f3e MC |
352 | } |
353 | ||
a773b52a | 354 | if (!ASN1_bn_print(bp, "priv:", priv_key, NULL, off)) |
0f113f3e | 355 | goto err; |
a773b52a | 356 | if (!ASN1_bn_print(bp, "pub: ", pub_key, NULL, off)) |
0f113f3e | 357 | goto err; |
dc8de3e6 | 358 | if (!ffc_params_print(bp, &x->params, off)) |
0f113f3e MC |
359 | goto err; |
360 | ret = 1; | |
361 | err: | |
26a7d938 | 362 | return ret; |
0f113f3e | 363 | } |
35208f36 | 364 | |
3e4585c8 | 365 | static int dsa_param_decode(EVP_PKEY *pkey, |
0f113f3e MC |
366 | const unsigned char **pder, int derlen) |
367 | { | |
368 | DSA *dsa; | |
75ebbd9a RS |
369 | |
370 | if ((dsa = d2i_DSAparams(NULL, pder, derlen)) == NULL) { | |
0f113f3e MC |
371 | DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB); |
372 | return 0; | |
373 | } | |
4889dadc | 374 | dsa->dirty_cnt++; |
0f113f3e MC |
375 | EVP_PKEY_assign_DSA(pkey, dsa); |
376 | return 1; | |
377 | } | |
3e4585c8 DSH |
378 | |
379 | static int dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder) | |
0f113f3e MC |
380 | { |
381 | return i2d_DSAparams(pkey->pkey.dsa, pder); | |
382 | } | |
35208f36 DSH |
383 | |
384 | static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent, | |
0f113f3e MC |
385 | ASN1_PCTX *ctx) |
386 | { | |
387 | return do_dsa_print(bp, pkey->pkey.dsa, indent, 0); | |
388 | } | |
35208f36 DSH |
389 | |
390 | static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent, | |
0f113f3e MC |
391 | ASN1_PCTX *ctx) |
392 | { | |
393 | return do_dsa_print(bp, pkey->pkey.dsa, indent, 1); | |
394 | } | |
35208f36 DSH |
395 | |
396 | static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent, | |
0f113f3e MC |
397 | ASN1_PCTX *ctx) |
398 | { | |
399 | return do_dsa_print(bp, pkey->pkey.dsa, indent, 2); | |
400 | } | |
35208f36 | 401 | |
e4263314 | 402 | static int old_dsa_priv_decode(EVP_PKEY *pkey, |
0f113f3e MC |
403 | const unsigned char **pder, int derlen) |
404 | { | |
405 | DSA *dsa; | |
75ebbd9a RS |
406 | |
407 | if ((dsa = d2i_DSAPrivateKey(NULL, pder, derlen)) == NULL) { | |
0f113f3e MC |
408 | DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB); |
409 | return 0; | |
410 | } | |
4889dadc | 411 | dsa->dirty_cnt++; |
0f113f3e MC |
412 | EVP_PKEY_assign_DSA(pkey, dsa); |
413 | return 1; | |
414 | } | |
e4263314 DSH |
415 | |
416 | static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder) | |
0f113f3e MC |
417 | { |
418 | return i2d_DSAPrivateKey(pkey->pkey.dsa, pder); | |
419 | } | |
e4263314 | 420 | |
fa1ba589 | 421 | static int dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg, |
0f113f3e MC |
422 | const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx) |
423 | { | |
424 | DSA_SIG *dsa_sig; | |
425 | const unsigned char *p; | |
a773b52a | 426 | |
dc8de3e6 | 427 | if (sig == NULL) { |
0f113f3e MC |
428 | if (BIO_puts(bp, "\n") <= 0) |
429 | return 0; | |
430 | else | |
431 | return 1; | |
432 | } | |
433 | p = sig->data; | |
434 | dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length); | |
dc8de3e6 | 435 | if (dsa_sig != NULL) { |
0f113f3e | 436 | int rv = 0; |
9267c11b | 437 | const BIGNUM *r, *s; |
706a13f1 | 438 | |
9267c11b | 439 | DSA_SIG_get0(dsa_sig, &r, &s); |
0f113f3e MC |
440 | |
441 | if (BIO_write(bp, "\n", 1) != 1) | |
442 | goto err; | |
443 | ||
706a13f1 | 444 | if (!ASN1_bn_print(bp, "r: ", r, NULL, indent)) |
0f113f3e | 445 | goto err; |
706a13f1 | 446 | if (!ASN1_bn_print(bp, "s: ", s, NULL, indent)) |
0f113f3e MC |
447 | goto err; |
448 | rv = 1; | |
449 | err: | |
0f113f3e MC |
450 | DSA_SIG_free(dsa_sig); |
451 | return rv; | |
452 | } | |
a4c467c9 DO |
453 | if (BIO_puts(bp, "\n") <= 0) |
454 | return 0; | |
0f113f3e MC |
455 | return X509_signature_dump(bp, sig, indent); |
456 | } | |
fa1ba589 | 457 | |
492a9e24 | 458 | static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) |
0f113f3e MC |
459 | { |
460 | switch (op) { | |
461 | case ASN1_PKEY_CTRL_PKCS7_SIGN: | |
462 | if (arg1 == 0) { | |
463 | int snid, hnid; | |
464 | X509_ALGOR *alg1, *alg2; | |
465 | PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2); | |
466 | if (alg1 == NULL || alg1->algorithm == NULL) | |
467 | return -1; | |
468 | hnid = OBJ_obj2nid(alg1->algorithm); | |
469 | if (hnid == NID_undef) | |
470 | return -1; | |
471 | if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) | |
472 | return -1; | |
473 | X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); | |
474 | } | |
475 | return 1; | |
8931b30d | 476 | #ifndef OPENSSL_NO_CMS |
0f113f3e MC |
477 | case ASN1_PKEY_CTRL_CMS_SIGN: |
478 | if (arg1 == 0) { | |
479 | int snid, hnid; | |
480 | X509_ALGOR *alg1, *alg2; | |
481 | CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2); | |
482 | if (alg1 == NULL || alg1->algorithm == NULL) | |
483 | return -1; | |
484 | hnid = OBJ_obj2nid(alg1->algorithm); | |
485 | if (hnid == NID_undef) | |
486 | return -1; | |
487 | if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) | |
488 | return -1; | |
489 | X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); | |
490 | } | |
491 | return 1; | |
492 | ||
493 | case ASN1_PKEY_CTRL_CMS_RI_TYPE: | |
494 | *(int *)arg2 = CMS_RECIPINFO_NONE; | |
495 | return 1; | |
8931b30d | 496 | #endif |
492a9e24 | 497 | |
0f113f3e MC |
498 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: |
499 | *(int *)arg2 = NID_sha256; | |
cd4c83b5 | 500 | return 1; |
03919683 | 501 | |
0f113f3e MC |
502 | default: |
503 | return -2; | |
492a9e24 | 504 | |
0f113f3e | 505 | } |
492a9e24 | 506 | |
0f113f3e | 507 | } |
492a9e24 | 508 | |
4889dadc MC |
509 | static size_t dsa_pkey_dirty_cnt(const EVP_PKEY *pkey) |
510 | { | |
511 | return pkey->pkey.dsa->dirty_cnt; | |
512 | } | |
513 | ||
b305452f RL |
514 | static int dsa_pkey_export_to(const EVP_PKEY *from, void *to_keydata, |
515 | EVP_KEYMGMT *to_keymgmt) | |
4889dadc | 516 | { |
b305452f | 517 | DSA *dsa = from->pkey.dsa; |
4889dadc MC |
518 | OSSL_PARAM_BLD tmpl; |
519 | const BIGNUM *p = DSA_get0_p(dsa), *g = DSA_get0_g(dsa); | |
520 | const BIGNUM *q = DSA_get0_q(dsa), *pub_key = DSA_get0_pub_key(dsa); | |
521 | const BIGNUM *priv_key = DSA_get0_priv_key(dsa); | |
522 | OSSL_PARAM *params; | |
b305452f | 523 | int rv; |
4889dadc MC |
524 | |
525 | if (p == NULL || q == NULL || g == NULL) | |
b305452f | 526 | return 0; |
4889dadc MC |
527 | |
528 | ossl_param_bld_init(&tmpl); | |
529 | if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_P, p) | |
530 | || !ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_Q, q) | |
531 | || !ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_G, g)) | |
b305452f | 532 | return 0; |
90d3cb57 | 533 | if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_PUB_KEY, |
b305452f RL |
534 | pub_key)) |
535 | return 0; | |
536 | if (priv_key != NULL) { | |
90d3cb57 | 537 | if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_PRIV_KEY, |
b305452f RL |
538 | priv_key)) |
539 | return 0; | |
4889dadc MC |
540 | } |
541 | ||
b305452f RL |
542 | if ((params = ossl_param_bld_to_param(&tmpl)) == NULL) |
543 | return 0; | |
4889dadc MC |
544 | |
545 | /* We export, the provider imports */ | |
b305452f RL |
546 | rv = evp_keymgmt_import(to_keymgmt, to_keydata, OSSL_KEYMGMT_SELECT_ALL, |
547 | params); | |
4889dadc MC |
548 | |
549 | ossl_param_bld_free(params); | |
b305452f RL |
550 | |
551 | return rv; | |
4889dadc MC |
552 | } |
553 | ||
448be743 DSH |
554 | /* NB these are sorted in pkey_id order, lowest first */ |
555 | ||
578b5514 | 556 | const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[5] = { |
0f113f3e MC |
557 | |
558 | { | |
559 | EVP_PKEY_DSA2, | |
560 | EVP_PKEY_DSA, | |
561 | ASN1_PKEY_ALIAS}, | |
562 | ||
563 | { | |
564 | EVP_PKEY_DSA1, | |
565 | EVP_PKEY_DSA, | |
566 | ASN1_PKEY_ALIAS}, | |
567 | ||
568 | { | |
569 | EVP_PKEY_DSA4, | |
570 | EVP_PKEY_DSA, | |
571 | ASN1_PKEY_ALIAS}, | |
572 | ||
573 | { | |
574 | EVP_PKEY_DSA3, | |
575 | EVP_PKEY_DSA, | |
576 | ASN1_PKEY_ALIAS}, | |
577 | ||
578 | { | |
579 | EVP_PKEY_DSA, | |
580 | EVP_PKEY_DSA, | |
581 | 0, | |
582 | ||
583 | "DSA", | |
584 | "OpenSSL DSA method", | |
585 | ||
586 | dsa_pub_decode, | |
587 | dsa_pub_encode, | |
588 | dsa_pub_cmp, | |
589 | dsa_pub_print, | |
590 | ||
591 | dsa_priv_decode, | |
592 | dsa_priv_encode, | |
593 | dsa_priv_print, | |
594 | ||
595 | int_dsa_size, | |
596 | dsa_bits, | |
597 | dsa_security_bits, | |
598 | ||
599 | dsa_param_decode, | |
600 | dsa_param_encode, | |
601 | dsa_missing_parameters, | |
602 | dsa_copy_parameters, | |
603 | dsa_cmp_parameters, | |
604 | dsa_param_print, | |
605 | dsa_sig_print, | |
606 | ||
607 | int_dsa_free, | |
608 | dsa_pkey_ctrl, | |
609 | old_dsa_priv_decode, | |
4889dadc MC |
610 | old_dsa_priv_encode, |
611 | ||
612 | NULL, NULL, NULL, | |
613 | NULL, NULL, NULL, | |
614 | NULL, NULL, NULL, NULL, | |
615 | ||
616 | dsa_pkey_dirty_cnt, | |
617 | dsa_pkey_export_to | |
618 | } | |
0f113f3e | 619 | }; |