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Commit | Line | Data |
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2e597528 | 1 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
adbc603d DSH |
2 | * project 2006. |
3 | */ | |
4 | /* ==================================================================== | |
5 | * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * | |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * | |
19 | * 3. All advertising materials mentioning features or use of this | |
20 | * software must display the following acknowledgment: | |
21 | * "This product includes software developed by the OpenSSL Project | |
22 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
23 | * | |
24 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
25 | * endorse or promote products derived from this software without | |
26 | * prior written permission. For written permission, please contact | |
27 | * licensing@OpenSSL.org. | |
28 | * | |
29 | * 5. Products derived from this software may not be called "OpenSSL" | |
30 | * nor may "OpenSSL" appear in their names without prior written | |
31 | * permission of the OpenSSL Project. | |
32 | * | |
33 | * 6. Redistributions of any form whatsoever must retain the following | |
34 | * acknowledgment: | |
35 | * "This product includes software developed by the OpenSSL Project | |
36 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
37 | * | |
38 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
39 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
40 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
41 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
42 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
44 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
45 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
47 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
48 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
49 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
50 | * ==================================================================== | |
51 | * | |
52 | * This product includes cryptographic software written by Eric Young | |
53 | * (eay@cryptsoft.com). This product includes software written by Tim | |
54 | * Hudson (tjh@cryptsoft.com). | |
55 | * | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
59 | #include "cryptlib.h" | |
60 | #include <openssl/x509.h> | |
61 | #include <openssl/asn1.h> | |
62 | #include <openssl/dh.h> | |
1e26a8ba | 63 | #include <openssl/bn.h> |
18e377b4 | 64 | #include "asn1_locl.h" |
adbc603d | 65 | |
afb14cda DSH |
66 | extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth; |
67 | ||
68 | /* i2d/d2i like DH parameter functions which use the appropriate routine | |
69 | * for PKCS#3 DH or X9.42 DH. | |
70 | */ | |
71 | ||
72 | static DH * d2i_dhp(const EVP_PKEY *pkey, const unsigned char **pp, long length) | |
73 | { | |
74 | if (pkey->ameth == &dhx_asn1_meth) | |
75 | return d2i_DHxparams(NULL, pp, length); | |
76 | return d2i_DHparams(NULL, pp, length); | |
77 | } | |
78 | ||
79 | static int i2d_dhp(const EVP_PKEY *pkey, const DH *a, unsigned char **pp) | |
80 | { | |
81 | if (pkey->ameth == &dhx_asn1_meth) | |
82 | return i2d_DHxparams(a, pp); | |
83 | return i2d_DHparams(a, pp); | |
84 | } | |
85 | ||
adbc603d DSH |
86 | static void int_dh_free(EVP_PKEY *pkey) |
87 | { | |
88 | DH_free(pkey->pkey.dh); | |
89 | } | |
90 | ||
ceb46789 DSH |
91 | static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) |
92 | { | |
93 | const unsigned char *p, *pm; | |
94 | int pklen, pmlen; | |
95 | int ptype; | |
96 | void *pval; | |
97 | ASN1_STRING *pstr; | |
98 | X509_ALGOR *palg; | |
99 | ASN1_INTEGER *public_key = NULL; | |
100 | ||
101 | DH *dh = NULL; | |
102 | ||
103 | if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey)) | |
104 | return 0; | |
105 | X509_ALGOR_get0(NULL, &ptype, &pval, palg); | |
106 | ||
107 | if (ptype != V_ASN1_SEQUENCE) | |
108 | { | |
109 | DHerr(DH_F_DH_PUB_DECODE, DH_R_PARAMETER_ENCODING_ERROR); | |
110 | goto err; | |
111 | } | |
112 | ||
113 | pstr = pval; | |
114 | pm = pstr->data; | |
115 | pmlen = pstr->length; | |
116 | ||
afb14cda | 117 | if (!(dh = d2i_dhp(pkey, &pm, pmlen))) |
ceb46789 DSH |
118 | { |
119 | DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR); | |
120 | goto err; | |
121 | } | |
122 | ||
123 | if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen))) | |
124 | { | |
125 | DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR); | |
126 | goto err; | |
127 | } | |
128 | ||
129 | /* We have parameters now set public key */ | |
130 | if (!(dh->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) | |
131 | { | |
132 | DHerr(DH_F_DH_PUB_DECODE, DH_R_BN_DECODE_ERROR); | |
133 | goto err; | |
134 | } | |
135 | ||
136 | ASN1_INTEGER_free(public_key); | |
afb14cda | 137 | EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh); |
ceb46789 DSH |
138 | return 1; |
139 | ||
140 | err: | |
442cbb06 | 141 | if (public_key) |
ceb46789 DSH |
142 | ASN1_INTEGER_free(public_key); |
143 | if (dh) | |
144 | DH_free(dh); | |
145 | return 0; | |
146 | ||
147 | } | |
148 | ||
149 | static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) | |
150 | { | |
151 | DH *dh; | |
152 | void *pval = NULL; | |
153 | int ptype; | |
154 | unsigned char *penc = NULL; | |
155 | int penclen; | |
156 | ASN1_STRING *str; | |
157 | ASN1_INTEGER *pub_key = NULL; | |
158 | ||
159 | dh=pkey->pkey.dh; | |
160 | ||
161 | str = ASN1_STRING_new(); | |
afb14cda | 162 | str->length = i2d_dhp(pkey, dh, &str->data); |
ceb46789 DSH |
163 | if (str->length <= 0) |
164 | { | |
165 | DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE); | |
166 | goto err; | |
167 | } | |
168 | pval = str; | |
169 | ptype = V_ASN1_SEQUENCE; | |
170 | ||
171 | pub_key = BN_to_ASN1_INTEGER(dh->pub_key, NULL); | |
172 | if (!pub_key) | |
173 | goto err; | |
174 | ||
175 | penclen = i2d_ASN1_INTEGER(pub_key, &penc); | |
176 | ||
177 | ASN1_INTEGER_free(pub_key); | |
178 | ||
179 | if (penclen <= 0) | |
180 | { | |
181 | DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE); | |
182 | goto err; | |
183 | } | |
184 | ||
afb14cda | 185 | if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(pkey->ameth->pkey_id), |
ceb46789 DSH |
186 | ptype, pval, penc, penclen)) |
187 | return 1; | |
188 | ||
189 | err: | |
190 | if (penc) | |
191 | OPENSSL_free(penc); | |
192 | if (pval) | |
193 | ASN1_STRING_free(pval); | |
194 | ||
195 | return 0; | |
196 | } | |
197 | ||
4c97a04e DSH |
198 | |
199 | /* PKCS#8 DH is defined in PKCS#11 of all places. It is similar to DH in | |
200 | * that the AlgorithmIdentifier contains the paramaters, the private key | |
201 | * is explcitly included and the pubkey must be recalculated. | |
202 | */ | |
203 | ||
204 | static int dh_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) | |
205 | { | |
206 | const unsigned char *p, *pm; | |
207 | int pklen, pmlen; | |
208 | int ptype; | |
209 | void *pval; | |
210 | ASN1_STRING *pstr; | |
211 | X509_ALGOR *palg; | |
212 | ASN1_INTEGER *privkey = NULL; | |
213 | ||
214 | DH *dh = NULL; | |
215 | ||
216 | if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) | |
217 | return 0; | |
218 | ||
219 | X509_ALGOR_get0(NULL, &ptype, &pval, palg); | |
220 | ||
221 | if (ptype != V_ASN1_SEQUENCE) | |
222 | goto decerr; | |
223 | ||
224 | if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen))) | |
225 | goto decerr; | |
226 | ||
227 | ||
228 | pstr = pval; | |
229 | pm = pstr->data; | |
230 | pmlen = pstr->length; | |
afb14cda | 231 | if (!(dh = d2i_dhp(pkey, &pm, pmlen))) |
4c97a04e DSH |
232 | goto decerr; |
233 | /* We have parameters now set private key */ | |
234 | if (!(dh->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) | |
235 | { | |
236 | DHerr(DH_F_DH_PRIV_DECODE,DH_R_BN_ERROR); | |
237 | goto dherr; | |
238 | } | |
239 | /* Calculate public key */ | |
240 | if (!DH_generate_key(dh)) | |
241 | goto dherr; | |
242 | ||
afb14cda | 243 | EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh); |
4c97a04e DSH |
244 | |
245 | ASN1_INTEGER_free(privkey); | |
246 | ||
247 | return 1; | |
248 | ||
249 | decerr: | |
250 | DHerr(DH_F_DH_PRIV_DECODE, EVP_R_DECODE_ERROR); | |
251 | dherr: | |
252 | DH_free(dh); | |
253 | return 0; | |
254 | } | |
255 | ||
256 | static int dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) | |
257 | { | |
258 | ASN1_STRING *params = NULL; | |
259 | ASN1_INTEGER *prkey = NULL; | |
260 | unsigned char *dp = NULL; | |
261 | int dplen; | |
262 | ||
263 | params = ASN1_STRING_new(); | |
264 | ||
265 | if (!params) | |
266 | { | |
267 | DHerr(DH_F_DH_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); | |
268 | goto err; | |
269 | } | |
270 | ||
afb14cda | 271 | params->length = i2d_dhp(pkey, pkey->pkey.dh, ¶ms->data); |
4c97a04e DSH |
272 | if (params->length <= 0) |
273 | { | |
274 | DHerr(DH_F_DH_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); | |
275 | goto err; | |
276 | } | |
277 | params->type = V_ASN1_SEQUENCE; | |
278 | ||
279 | /* Get private key into integer */ | |
280 | prkey = BN_to_ASN1_INTEGER(pkey->pkey.dh->priv_key, NULL); | |
281 | ||
282 | if (!prkey) | |
283 | { | |
3ba0885a | 284 | DHerr(DH_F_DH_PRIV_ENCODE,DH_R_BN_ERROR); |
4c97a04e DSH |
285 | goto err; |
286 | } | |
287 | ||
288 | dplen = i2d_ASN1_INTEGER(prkey, &dp); | |
289 | ||
290 | ASN1_INTEGER_free(prkey); | |
291 | ||
afb14cda | 292 | if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(pkey->ameth->pkey_id), 0, |
4c97a04e DSH |
293 | V_ASN1_SEQUENCE, params, dp, dplen)) |
294 | goto err; | |
295 | ||
296 | return 1; | |
297 | ||
298 | err: | |
299 | if (dp != NULL) | |
300 | OPENSSL_free(dp); | |
301 | if (params != NULL) | |
302 | ASN1_STRING_free(params); | |
303 | if (prkey != NULL) | |
304 | ASN1_INTEGER_free(prkey); | |
305 | return 0; | |
306 | } | |
307 | ||
308 | ||
ceb46789 DSH |
309 | static void update_buflen(const BIGNUM *b, size_t *pbuflen) |
310 | { | |
c20276e4 | 311 | size_t i; |
ceb46789 DSH |
312 | if (!b) |
313 | return; | |
314 | if (*pbuflen < (i = (size_t)BN_num_bytes(b))) | |
315 | *pbuflen = i; | |
316 | } | |
317 | ||
3e4585c8 | 318 | static int dh_param_decode(EVP_PKEY *pkey, |
6343829a | 319 | const unsigned char **pder, int derlen) |
3e4585c8 DSH |
320 | { |
321 | DH *dh; | |
afb14cda | 322 | if (!(dh = d2i_dhp(pkey, pder, derlen))) |
3e4585c8 DSH |
323 | { |
324 | DHerr(DH_F_DH_PARAM_DECODE, ERR_R_DH_LIB); | |
325 | return 0; | |
326 | } | |
afb14cda | 327 | EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh); |
3e4585c8 DSH |
328 | return 1; |
329 | } | |
330 | ||
331 | static int dh_param_encode(const EVP_PKEY *pkey, unsigned char **pder) | |
332 | { | |
afb14cda | 333 | return i2d_dhp(pkey, pkey->pkey.dh, pder); |
3e4585c8 DSH |
334 | } |
335 | ||
ceb46789 DSH |
336 | static int do_dh_print(BIO *bp, const DH *x, int indent, |
337 | ASN1_PCTX *ctx, int ptype) | |
3e4585c8 DSH |
338 | { |
339 | unsigned char *m=NULL; | |
340 | int reason=ERR_R_BUF_LIB,ret=0; | |
ceb46789 DSH |
341 | size_t buf_len=0; |
342 | ||
343 | const char *ktype = NULL; | |
344 | ||
345 | BIGNUM *priv_key, *pub_key; | |
3e4585c8 | 346 | |
ceb46789 DSH |
347 | if (ptype == 2) |
348 | priv_key = x->priv_key; | |
3e4585c8 | 349 | else |
ceb46789 DSH |
350 | priv_key = NULL; |
351 | ||
352 | if (ptype > 0) | |
353 | pub_key = x->pub_key; | |
354 | else | |
355 | pub_key = NULL; | |
356 | ||
357 | update_buflen(x->p, &buf_len); | |
358 | ||
359 | if (buf_len == 0) | |
3e4585c8 DSH |
360 | { |
361 | reason = ERR_R_PASSED_NULL_PARAMETER; | |
362 | goto err; | |
363 | } | |
ceb46789 DSH |
364 | |
365 | update_buflen(x->g, &buf_len); | |
cd366cf7 | 366 | update_buflen(x->q, &buf_len); |
c9577ab5 DSH |
367 | update_buflen(x->j, &buf_len); |
368 | update_buflen(x->counter, &buf_len); | |
ceb46789 DSH |
369 | update_buflen(pub_key, &buf_len); |
370 | update_buflen(priv_key, &buf_len); | |
371 | ||
372 | if (ptype == 2) | |
afb14cda | 373 | ktype = "DH Private-Key"; |
ceb46789 | 374 | else if (ptype == 1) |
afb14cda | 375 | ktype = "DH Public-Key"; |
ceb46789 | 376 | else |
afb14cda | 377 | ktype = "DH Parameters"; |
ceb46789 DSH |
378 | |
379 | m= OPENSSL_malloc(buf_len+10); | |
3e4585c8 DSH |
380 | if (m == NULL) |
381 | { | |
382 | reason=ERR_R_MALLOC_FAILURE; | |
383 | goto err; | |
384 | } | |
385 | ||
386 | BIO_indent(bp, indent, 128); | |
ceb46789 | 387 | if (BIO_printf(bp,"%s: (%d bit)\n", ktype, BN_num_bits(x->p)) <= 0) |
3e4585c8 DSH |
388 | goto err; |
389 | indent += 4; | |
ceb46789 DSH |
390 | |
391 | if (!ASN1_bn_print(bp,"private-key:",priv_key,m,indent)) goto err; | |
392 | if (!ASN1_bn_print(bp,"public-key:",pub_key,m,indent)) goto err; | |
393 | ||
3e4585c8 DSH |
394 | if (!ASN1_bn_print(bp,"prime:",x->p,m,indent)) goto err; |
395 | if (!ASN1_bn_print(bp,"generator:",x->g,m,indent)) goto err; | |
cd366cf7 | 396 | if (x->q && !ASN1_bn_print(bp,"subgroup order:",x->q,m,indent)) goto err; |
c9577ab5 DSH |
397 | if (x->j && !ASN1_bn_print(bp,"subgroup factor:",x->j,m,indent)) |
398 | goto err; | |
399 | if (x->seed) | |
400 | { | |
401 | int i; | |
402 | BIO_indent(bp, indent, 128); | |
403 | BIO_puts(bp, "seed:"); | |
404 | for (i=0; i < x->seedlen; i++) | |
405 | { | |
406 | if ((i%15) == 0) | |
407 | { | |
408 | if(BIO_puts(bp,"\n") <= 0 | |
409 | || !BIO_indent(bp,indent+4,128)) | |
410 | goto err; | |
411 | } | |
412 | if (BIO_printf(bp,"%02x%s", x->seed[i], | |
413 | ((i+1) == x->seedlen)?"":":") <= 0) | |
414 | goto err; | |
415 | } | |
416 | if (BIO_write(bp,"\n",1) <= 0) return(0); | |
417 | } | |
418 | if (x->counter && !ASN1_bn_print(bp,"counter:",x->counter,m,indent)) | |
419 | goto err; | |
3e4585c8 DSH |
420 | if (x->length != 0) |
421 | { | |
422 | BIO_indent(bp, indent, 128); | |
423 | if (BIO_printf(bp,"recommended-private-length: %d bits\n", | |
424 | (int)x->length) <= 0) goto err; | |
425 | } | |
ceb46789 DSH |
426 | |
427 | ||
3e4585c8 DSH |
428 | ret=1; |
429 | if (0) | |
430 | { | |
431 | err: | |
5c95c2ac | 432 | DHerr(DH_F_DO_DH_PRINT,reason); |
3e4585c8 DSH |
433 | } |
434 | if (m != NULL) OPENSSL_free(m); | |
435 | return(ret); | |
436 | } | |
437 | ||
ceb46789 DSH |
438 | static int int_dh_size(const EVP_PKEY *pkey) |
439 | { | |
440 | return(DH_size(pkey->pkey.dh)); | |
441 | } | |
442 | ||
443 | static int dh_bits(const EVP_PKEY *pkey) | |
444 | { | |
445 | return BN_num_bits(pkey->pkey.dh->p); | |
446 | } | |
447 | ||
ffb1ac67 DSH |
448 | static int dh_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
449 | { | |
450 | if ( BN_cmp(a->pkey.dh->p,b->pkey.dh->p) || | |
451 | BN_cmp(a->pkey.dh->g,b->pkey.dh->g)) | |
452 | return 0; | |
afb14cda DSH |
453 | else if (a->ameth == &dhx_asn1_meth) |
454 | { | |
455 | if (BN_cmp(a->pkey.dh->q,b->pkey.dh->q)) | |
456 | return 0; | |
457 | } | |
458 | return 1; | |
ffb1ac67 DSH |
459 | } |
460 | ||
d3cc91ee | 461 | static int int_dh_bn_cpy(BIGNUM **dst, const BIGNUM *src) |
ceb46789 DSH |
462 | { |
463 | BIGNUM *a; | |
d3cc91ee DSH |
464 | if (src) |
465 | { | |
466 | a = BN_dup(src); | |
467 | if (!a) | |
468 | return 0; | |
469 | } | |
470 | else | |
471 | a = NULL; | |
472 | if (*dst) | |
473 | BN_free(*dst); | |
474 | *dst = a; | |
475 | return 1; | |
476 | } | |
ceb46789 | 477 | |
d3cc91ee DSH |
478 | static int int_dh_param_copy(DH *to, const DH *from, int is_x942) |
479 | { | |
480 | if (is_x942 == -1) | |
481 | is_x942 = !!from->q; | |
482 | if (!int_dh_bn_cpy(&to->p, from->p)) | |
ceb46789 | 483 | return 0; |
d3cc91ee | 484 | if (!int_dh_bn_cpy(&to->g, from->g)) |
ceb46789 | 485 | return 0; |
d3cc91ee | 486 | if (is_x942) |
afb14cda | 487 | { |
d3cc91ee DSH |
488 | if (!int_dh_bn_cpy(&to->q, from->q)) |
489 | return 0; | |
490 | if (!int_dh_bn_cpy(&to->j, from->j)) | |
afb14cda | 491 | return 0; |
d3cc91ee DSH |
492 | if(to->seed) |
493 | { | |
494 | OPENSSL_free(to->seed); | |
495 | to->seed = NULL; | |
496 | to->seedlen = 0; | |
497 | } | |
498 | if (from->seed) | |
499 | { | |
500 | to->seed = BUF_memdup(from->seed, from->seedlen); | |
501 | if (!to->seed) | |
502 | return 0; | |
503 | to->seedlen = from->seedlen; | |
504 | } | |
afb14cda | 505 | } |
d3cc91ee DSH |
506 | else |
507 | to->length = from->length; | |
ceb46789 DSH |
508 | return 1; |
509 | } | |
510 | ||
d3cc91ee DSH |
511 | |
512 | DH *DHparams_dup(DH *dh) | |
513 | { | |
514 | DH *ret; | |
515 | ret = DH_new(); | |
516 | if (!ret) | |
517 | return NULL; | |
518 | if (!int_dh_param_copy(ret, dh, -1)) | |
519 | { | |
520 | DH_free(ret); | |
521 | return NULL; | |
522 | } | |
523 | return ret; | |
524 | } | |
525 | ||
526 | static int dh_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) | |
527 | { | |
528 | return int_dh_param_copy(to->pkey.dh, from->pkey.dh, | |
529 | from->ameth == &dhx_asn1_meth); | |
530 | } | |
531 | ||
ffb1ac67 | 532 | static int dh_missing_parameters(const EVP_PKEY *a) |
ceb46789 | 533 | { |
ffb1ac67 | 534 | if (!a->pkey.dh->p || !a->pkey.dh->g) |
ceb46789 | 535 | return 1; |
ffb1ac67 | 536 | return 0; |
ceb46789 DSH |
537 | } |
538 | ||
539 | static int dh_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) | |
540 | { | |
541 | if (dh_cmp_parameters(a, b) == 0) | |
542 | return 0; | |
543 | if (BN_cmp(b->pkey.dh->pub_key,a->pkey.dh->pub_key) != 0) | |
544 | return 0; | |
545 | else | |
546 | return 1; | |
547 | } | |
548 | ||
3e4585c8 DSH |
549 | static int dh_param_print(BIO *bp, const EVP_PKEY *pkey, int indent, |
550 | ASN1_PCTX *ctx) | |
551 | { | |
ceb46789 DSH |
552 | return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 0); |
553 | } | |
554 | ||
555 | static int dh_public_print(BIO *bp, const EVP_PKEY *pkey, int indent, | |
556 | ASN1_PCTX *ctx) | |
557 | { | |
558 | return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 1); | |
559 | } | |
560 | ||
561 | static int dh_private_print(BIO *bp, const EVP_PKEY *pkey, int indent, | |
562 | ASN1_PCTX *ctx) | |
563 | { | |
564 | return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 2); | |
3e4585c8 DSH |
565 | } |
566 | ||
567 | int DHparams_print(BIO *bp, const DH *x) | |
568 | { | |
ceb46789 | 569 | return do_dh_print(bp, x, 4, NULL, 0); |
3e4585c8 DSH |
570 | } |
571 | ||
adbc603d DSH |
572 | const EVP_PKEY_ASN1_METHOD dh_asn1_meth = |
573 | { | |
574 | EVP_PKEY_DH, | |
575 | EVP_PKEY_DH, | |
576 | 0, | |
577 | ||
0b33dac3 | 578 | "DH", |
d82e2718 DSH |
579 | "OpenSSL PKCS#3 DH method", |
580 | ||
ceb46789 DSH |
581 | dh_pub_decode, |
582 | dh_pub_encode, | |
583 | dh_pub_cmp, | |
584 | dh_public_print, | |
adbc603d | 585 | |
4c97a04e DSH |
586 | dh_priv_decode, |
587 | dh_priv_encode, | |
ceb46789 | 588 | dh_private_print, |
adbc603d | 589 | |
ceb46789 DSH |
590 | int_dh_size, |
591 | dh_bits, | |
adbc603d | 592 | |
3e4585c8 DSH |
593 | dh_param_decode, |
594 | dh_param_encode, | |
ffb1ac67 | 595 | dh_missing_parameters, |
ceb46789 DSH |
596 | dh_copy_parameters, |
597 | dh_cmp_parameters, | |
3e4585c8 | 598 | dh_param_print, |
fa1ba589 | 599 | 0, |
adbc603d DSH |
600 | |
601 | int_dh_free, | |
602 | 0 | |
603 | }; | |
604 | ||
afb14cda DSH |
605 | const EVP_PKEY_ASN1_METHOD dhx_asn1_meth = |
606 | { | |
607 | EVP_PKEY_DHX, | |
608 | EVP_PKEY_DHX, | |
609 | 0, | |
610 | ||
611 | "X9.42 DH", | |
612 | "OpenSSL X9.42 DH method", | |
613 | ||
614 | dh_pub_decode, | |
615 | dh_pub_encode, | |
616 | dh_pub_cmp, | |
617 | dh_public_print, | |
618 | ||
619 | dh_priv_decode, | |
620 | dh_priv_encode, | |
621 | dh_private_print, | |
622 | ||
623 | int_dh_size, | |
624 | dh_bits, | |
625 | ||
626 | dh_param_decode, | |
627 | dh_param_encode, | |
628 | dh_missing_parameters, | |
629 | dh_copy_parameters, | |
630 | dh_cmp_parameters, | |
631 | dh_param_print, | |
632 | 0, | |
633 | ||
634 | int_dh_free, | |
635 | 0 | |
636 | }; | |
637 |