GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/dsa/dsa_ameth.c Lines: 169 265 63.8 %
Date: 2017-11-13 Branches: 74 160 46.3 %

Line Branch Exec Source
1
/* $OpenBSD: dsa_ameth.c,v 1.23 2017/01/29 17:49:22 beck Exp $ */
2
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3
 * project 2006.
4
 */
5
/* ====================================================================
6
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that the following conditions
10
 * are met:
11
 *
12
 * 1. Redistributions of source code must retain the above copyright
13
 *    notice, this list of conditions and the following disclaimer.
14
 *
15
 * 2. Redistributions in binary form must reproduce the above copyright
16
 *    notice, this list of conditions and the following disclaimer in
17
 *    the documentation and/or other materials provided with the
18
 *    distribution.
19
 *
20
 * 3. All advertising materials mentioning features or use of this
21
 *    software must display the following acknowledgment:
22
 *    "This product includes software developed by the OpenSSL Project
23
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24
 *
25
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26
 *    endorse or promote products derived from this software without
27
 *    prior written permission. For written permission, please contact
28
 *    licensing@OpenSSL.org.
29
 *
30
 * 5. Products derived from this software may not be called "OpenSSL"
31
 *    nor may "OpenSSL" appear in their names without prior written
32
 *    permission of the OpenSSL Project.
33
 *
34
 * 6. Redistributions of any form whatsoever must retain the following
35
 *    acknowledgment:
36
 *    "This product includes software developed by the OpenSSL Project
37
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38
 *
39
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50
 * OF THE POSSIBILITY OF SUCH DAMAGE.
51
 * ====================================================================
52
 *
53
 * This product includes cryptographic software written by Eric Young
54
 * (eay@cryptsoft.com).  This product includes software written by Tim
55
 * Hudson (tjh@cryptsoft.com).
56
 *
57
 */
58
59
#include <stdio.h>
60
61
#include <openssl/opensslconf.h>
62
63
#include <openssl/asn1.h>
64
#include <openssl/bn.h>
65
#include <openssl/dsa.h>
66
#include <openssl/err.h>
67
#include <openssl/x509.h>
68
69
#include "asn1_locl.h"
70
#include "bn_lcl.h"
71
72
static int
73
dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
74
{
75
8
	const unsigned char *p, *pm;
76
4
	int pklen, pmlen;
77
4
	int ptype;
78
4
	void *pval;
79
	ASN1_STRING *pstr;
80
4
	X509_ALGOR *palg;
81
	ASN1_INTEGER *public_key = NULL;
82
83
	DSA *dsa = NULL;
84
85
4
	if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
86
		return 0;
87
4
	X509_ALGOR_get0(NULL, &ptype, &pval, palg);
88
89
4
	if (ptype == V_ASN1_SEQUENCE) {
90
4
		pstr = pval;
91
4
		pm = pstr->data;
92
4
		pmlen = pstr->length;
93
94
4
		if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) {
95
			DSAerror(DSA_R_DECODE_ERROR);
96
			goto err;
97
		}
98
	} else if (ptype == V_ASN1_NULL || ptype == V_ASN1_UNDEF) {
99
		if (!(dsa = DSA_new())) {
100
			DSAerror(ERR_R_MALLOC_FAILURE);
101
			goto err;
102
			}
103
	} else {
104
		DSAerror(DSA_R_PARAMETER_ENCODING_ERROR);
105
		goto err;
106
	}
107
108
4
	if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen))) {
109
		DSAerror(DSA_R_DECODE_ERROR);
110
		goto err;
111
	}
112
113
4
	if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) {
114
		DSAerror(DSA_R_BN_DECODE_ERROR);
115
		goto err;
116
	}
117
118
4
	ASN1_INTEGER_free(public_key);
119
4
	EVP_PKEY_assign_DSA(pkey, dsa);
120
4
	return 1;
121
122
err:
123
	if (public_key)
124
		ASN1_INTEGER_free(public_key);
125
	DSA_free(dsa);
126
	return 0;
127
4
}
128
129
static int
130
dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
131
{
132
	DSA *dsa;
133
	void *pval = NULL;
134
	int ptype;
135
8
	unsigned char *penc = NULL;
136
	int penclen;
137
138
4
	dsa = pkey->pkey.dsa;
139


16
	if (pkey->save_parameters && dsa->p && dsa->q && dsa->g) {
140
		ASN1_STRING *str;
141
142
4
		str = ASN1_STRING_new();
143
4
		if (str == NULL) {
144
			DSAerror(ERR_R_MALLOC_FAILURE);
145
			goto err;
146
		}
147
4
		str->length = i2d_DSAparams(dsa, &str->data);
148
4
		if (str->length <= 0) {
149
			DSAerror(ERR_R_MALLOC_FAILURE);
150
			ASN1_STRING_free(str);
151
			goto err;
152
		}
153
4
		pval = str;
154
		ptype = V_ASN1_SEQUENCE;
155
4
	} else
156
		ptype = V_ASN1_UNDEF;
157
158
4
	dsa->write_params = 0;
159
160
4
	penclen = i2d_DSAPublicKey(dsa, &penc);
161
162
4
	if (penclen <= 0) {
163
		DSAerror(ERR_R_MALLOC_FAILURE);
164
		goto err;
165
	}
166
167
8
	if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA), ptype, pval,
168
4
	    penc, penclen))
169
4
		return 1;
170
171
err:
172
	free(penc);
173
	ASN1_STRING_free(pval);
174
175
	return 0;
176
4
}
177
178
/* In PKCS#8 DSA: you just get a private key integer and parameters in the
179
 * AlgorithmIdentifier the pubkey must be recalculated.
180
 */
181
static int
182
dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
183
{
184
4
	const unsigned char *p, *pm;
185
2
	int pklen, pmlen;
186
2
	int ptype;
187
2
	void *pval;
188
	ASN1_STRING *pstr;
189
2
	X509_ALGOR *palg;
190
	ASN1_INTEGER *privkey = NULL;
191
	BN_CTX *ctx = NULL;
192
	DSA *dsa = NULL;
193
194
	int ret = 0;
195
196
2
	if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8))
197
		return 0;
198
2
	X509_ALGOR_get0(NULL, &ptype, &pval, palg);
199
2
	if (ptype != V_ASN1_SEQUENCE)
200
		goto decerr;
201
202
2
	if ((privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL)
203
		goto decerr;
204
2
	if (privkey->type == V_ASN1_NEG_INTEGER)
205
		goto decerr;
206
207
2
	pstr = pval;
208
2
	pm = pstr->data;
209
2
	pmlen = pstr->length;
210
2
	if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen)))
211
		goto decerr;
212
	/* We have parameters now set private key */
213
2
	if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
214
		DSAerror(DSA_R_BN_ERROR);
215
		goto dsaerr;
216
	}
217
	/* Calculate public key */
218
2
	if (!(dsa->pub_key = BN_new())) {
219
		DSAerror(ERR_R_MALLOC_FAILURE);
220
		goto dsaerr;
221
	}
222
2
	if (!(ctx = BN_CTX_new())) {
223
		DSAerror(ERR_R_MALLOC_FAILURE);
224
		goto dsaerr;
225
	}
226
227
2
	if (!BN_mod_exp_ct(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) {
228
		DSAerror(DSA_R_BN_ERROR);
229
		goto dsaerr;
230
	}
231
232
2
	if (!EVP_PKEY_assign_DSA(pkey, dsa))
233
		goto decerr;
234
235
	ret = 1;
236
2
	goto done;
237
238
decerr:
239
	DSAerror(DSA_R_DECODE_ERROR);
240
dsaerr:
241
	DSA_free(dsa);
242
done:
243
2
	BN_CTX_free(ctx);
244
2
	ASN1_INTEGER_free(privkey);
245
2
	return ret;
246
2
}
247
248
static int
249
dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
250
{
251
	ASN1_STRING *params = NULL;
252
	ASN1_INTEGER *prkey = NULL;
253
12
	unsigned char *dp = NULL;
254
	int dplen;
255
256
6
	params = ASN1_STRING_new();
257
6
	if (!params) {
258
		DSAerror(ERR_R_MALLOC_FAILURE);
259
		goto err;
260
	}
261
262
6
	params->length = i2d_DSAparams(pkey->pkey.dsa, &params->data);
263
6
	if (params->length <= 0) {
264
		DSAerror(ERR_R_MALLOC_FAILURE);
265
		goto err;
266
	}
267
6
	params->type = V_ASN1_SEQUENCE;
268
269
	/* Get private key into integer */
270
6
	prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL);
271
6
	if (!prkey) {
272
		DSAerror(DSA_R_BN_ERROR);
273
		goto err;
274
	}
275
276
6
	dplen = i2d_ASN1_INTEGER(prkey, &dp);
277
278
6
	ASN1_INTEGER_free(prkey);
279
	prkey = NULL;
280
281
12
	if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0, V_ASN1_SEQUENCE,
282
6
	    params, dp, dplen))
283
		goto err;
284
285
6
	return 1;
286
287
err:
288
	free(dp);
289
	ASN1_STRING_free(params);
290
	ASN1_INTEGER_free(prkey);
291
	return 0;
292
6
}
293
294
static int
295
int_dsa_size(const EVP_PKEY *pkey)
296
{
297
8
	return DSA_size(pkey->pkey.dsa);
298
}
299
300
static int
301
dsa_bits(const EVP_PKEY *pkey)
302
{
303
4
	return BN_num_bits(pkey->pkey.dsa->p);
304
}
305
306
static int
307
dsa_missing_parameters(const EVP_PKEY *pkey)
308
{
309
	DSA *dsa;
310
311
8
	dsa = pkey->pkey.dsa;
312

12
	if (dsa->p == NULL || dsa->q == NULL || dsa->g == NULL)
313
		return 1;
314
4
	return 0;
315
4
}
316
317
static int
318
dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
319
{
320
	BIGNUM *a;
321
322
8
	if ((a = BN_dup(from->pkey.dsa->p)) == NULL)
323
		return 0;
324
4
	BN_free(to->pkey.dsa->p);
325
4
	to->pkey.dsa->p = a;
326
327
4
	if ((a = BN_dup(from->pkey.dsa->q)) == NULL)
328
		return 0;
329
4
	BN_free(to->pkey.dsa->q);
330
4
	to->pkey.dsa->q = a;
331
332
4
	if ((a = BN_dup(from->pkey.dsa->g)) == NULL)
333
		return 0;
334
4
	BN_free(to->pkey.dsa->g);
335
4
	to->pkey.dsa->g = a;
336
4
	return 1;
337
4
}
338
339
static int
340
dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
341
{
342
	if (BN_cmp(a->pkey.dsa->p, b->pkey.dsa->p) ||
343
	    BN_cmp(a->pkey.dsa->q, b->pkey.dsa->q) ||
344
	    BN_cmp(a->pkey.dsa->g, b->pkey.dsa->g))
345
		return 0;
346
	else
347
		return 1;
348
}
349
350
static int
351
dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
352
{
353
	if (BN_cmp(b->pkey.dsa->pub_key, a->pkey.dsa->pub_key) != 0)
354
		return 0;
355
	else
356
		return 1;
357
}
358
359
static void
360
int_dsa_free(EVP_PKEY *pkey)
361
{
362
56
	DSA_free(pkey->pkey.dsa);
363
28
}
364
365
static void
366
update_buflen(const BIGNUM *b, size_t *pbuflen)
367
{
368
	size_t i;
369
370
148
	if (!b)
371
18
		return;
372
56
	if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
373
16
		*pbuflen = i;
374
130
}
375
376
static int
377
do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
378
{
379
	unsigned char *m = NULL;
380
	int ret = 0;
381
28
	size_t buf_len = 0;
382
	const char *ktype = NULL;
383
	const BIGNUM *priv_key, *pub_key;
384
385
14
	if (ptype == 2)
386
10
		priv_key = x->priv_key;
387
	else
388
		priv_key = NULL;
389
390
14
	if (ptype > 0)
391
12
		pub_key = x->pub_key;
392
	else
393
		pub_key = NULL;
394
395
14
	if (ptype == 2)
396
10
		ktype = "Private-Key";
397
4
	else if (ptype == 1)
398
2
		ktype = "Public-Key";
399
	else
400
		ktype = "DSA-Parameters";
401
402
14
	update_buflen(x->p, &buf_len);
403
14
	update_buflen(x->q, &buf_len);
404
14
	update_buflen(x->g, &buf_len);
405
14
	update_buflen(priv_key, &buf_len);
406
14
	update_buflen(pub_key, &buf_len);
407
408
14
	m = malloc(buf_len + 10);
409
14
	if (m == NULL) {
410
		DSAerror(ERR_R_MALLOC_FAILURE);
411
		goto err;
412
	}
413
414
14
	if (priv_key) {
415
4
		if (!BIO_indent(bp, off, 128))
416
			goto err;
417
8
		if (BIO_printf(bp, "%s: (%d bit)\n", ktype,
418
8
		    BN_num_bits(x->p)) <= 0)
419
			goto err;
420
	}
421
422
14
	if (!ASN1_bn_print(bp, "priv:", priv_key, m, off))
423
		goto err;
424
14
	if (!ASN1_bn_print(bp, "pub: ", pub_key, m, off))
425
		goto err;
426
14
	if (!ASN1_bn_print(bp, "P:   ", x->p, m, off))
427
		goto err;
428
14
	if (!ASN1_bn_print(bp, "Q:   ", x->q, m, off))
429
		goto err;
430
14
	if (!ASN1_bn_print(bp, "G:   ", x->g, m, off))
431
		goto err;
432
14
	ret = 1;
433
err:
434
14
	free(m);
435
14
	return(ret);
436
14
}
437
438
static int
439
dsa_param_decode(EVP_PKEY *pkey, const unsigned char **pder, int derlen)
440
{
441
	DSA *dsa;
442
443
12
	if (!(dsa = d2i_DSAparams(NULL, pder, derlen))) {
444
		DSAerror(ERR_R_DSA_LIB);
445
		return 0;
446
	}
447
6
	EVP_PKEY_assign_DSA(pkey, dsa);
448
6
	return 1;
449
6
}
450
451
static int
452
dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder)
453
{
454
16
	return i2d_DSAparams(pkey->pkey.dsa, pder);
455
}
456
457
static int
458
dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent, ASN1_PCTX *ctx)
459
{
460
4
	return do_dsa_print(bp, pkey->pkey.dsa, indent, 0);
461
}
462
463
static int
464
dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent, ASN1_PCTX *ctx)
465
{
466
4
	return do_dsa_print(bp, pkey->pkey.dsa, indent, 1);
467
}
468
469
static int
470
dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent, ASN1_PCTX *ctx)
471
{
472
20
	return do_dsa_print(bp, pkey->pkey.dsa, indent, 2);
473
}
474
475
static int
476
old_dsa_priv_decode(EVP_PKEY *pkey, const unsigned char **pder, int derlen)
477
{
478
	DSA *dsa;
479
	BN_CTX *ctx = NULL;
480
	BIGNUM *j, *p1, *newp1;
481
482
4
	if (!(dsa = d2i_DSAPrivateKey(NULL, pder, derlen))) {
483
		DSAerror(ERR_R_DSA_LIB);
484
		return 0;
485
	}
486
487
2
	ctx = BN_CTX_new();
488
2
	if (ctx == NULL)
489
		goto err;
490
491
	/*
492
	 * Check that p and q are consistent with each other.
493
	 */
494
495
2
	j = BN_CTX_get(ctx);
496
2
	p1 = BN_CTX_get(ctx);
497
2
	newp1 = BN_CTX_get(ctx);
498
2
	if (j == NULL || p1 == NULL || newp1 == NULL)
499
		goto err;
500
	/* p1 = p - 1 */
501
2
	if (BN_sub(p1, dsa->p, BN_value_one()) == 0)
502
		goto err;
503
	/* j = (p - 1) / q */
504
2
	if (BN_div_ct(j, NULL, p1, dsa->q, ctx) == 0)
505
		goto err;
506
	/* q * j should == p - 1 */
507
2
	if (BN_mul(newp1, dsa->q, j, ctx) == 0)
508
		goto err;
509
2
	if (BN_cmp(newp1, p1) != 0) {
510
		DSAerror(DSA_R_BAD_Q_VALUE);
511
		goto err;
512
	}
513
514
	/*
515
	 * Check that q is not a composite number.
516
	 */
517
518
2
	if (BN_is_prime_ex(dsa->q, BN_prime_checks, ctx, NULL) == 0) {
519
		DSAerror(DSA_R_BAD_Q_VALUE);
520
		goto err;
521
	}
522
523
2
	BN_CTX_free(ctx);
524
525
2
	EVP_PKEY_assign_DSA(pkey, dsa);
526
2
	return 1;
527
528
err:
529
	BN_CTX_free(ctx);
530
	DSA_free(dsa);
531
	return 0;
532
2
}
533
534
static int
535
old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
536
{
537
	return i2d_DSAPrivateKey(pkey->pkey.dsa, pder);
538
}
539
540
static int
541
dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg, const ASN1_STRING *sig,
542
    int indent, ASN1_PCTX *pctx)
543
{
544
	DSA_SIG *dsa_sig;
545
8
	const unsigned char *p;
546
547
4
	if (!sig) {
548
2
		if (BIO_puts(bp, "\n") <= 0)
549
			return 0;
550
		else
551
2
			return 1;
552
	}
553
2
	p = sig->data;
554
2
	dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length);
555
2
	if (dsa_sig) {
556
		int rv = 0;
557
2
		size_t buf_len = 0;
558
		unsigned char *m = NULL;
559
560
2
		update_buflen(dsa_sig->r, &buf_len);
561
2
		update_buflen(dsa_sig->s, &buf_len);
562
2
		m = malloc(buf_len + 10);
563
2
		if (m == NULL) {
564
			DSAerror(ERR_R_MALLOC_FAILURE);
565
			goto err;
566
		}
567
568
2
		if (BIO_write(bp, "\n", 1) != 1)
569
			goto err;
570
571
2
		if (!ASN1_bn_print(bp, "r:   ", dsa_sig->r, m, indent))
572
			goto err;
573
2
		if (!ASN1_bn_print(bp, "s:   ", dsa_sig->s, m, indent))
574
			goto err;
575
2
		rv = 1;
576
err:
577
2
		free(m);
578
2
		DSA_SIG_free(dsa_sig);
579
		return rv;
580
2
	}
581
	return X509_signature_dump(bp, sig, indent);
582
4
}
583
584
static int
585
dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
586
{
587
	switch (op) {
588
	case ASN1_PKEY_CTRL_PKCS7_SIGN:
589
		if (arg1 == 0) {
590
			int snid, hnid;
591
			X509_ALGOR *alg1, *alg2;
592
593
			PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2);
594
			if (alg1 == NULL || alg1->algorithm == NULL)
595
				return -1;
596
			hnid = OBJ_obj2nid(alg1->algorithm);
597
			if (hnid == NID_undef)
598
				return -1;
599
			if (!OBJ_find_sigid_by_algs(&snid, hnid,
600
			    EVP_PKEY_id(pkey)))
601
				return -1;
602
			X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF,
603
			    0);
604
		}
605
		return 1;
606
607
	case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
608
		*(int *)arg2 = NID_sha1;
609
		return 2;
610
611
	default:
612
		return -2;
613
	}
614
}
615
616
/* NB these are sorted in pkey_id order, lowest first */
617
618
const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] = {
619
	{
620
		.pkey_id = EVP_PKEY_DSA2,
621
		.pkey_base_id = EVP_PKEY_DSA,
622
		.pkey_flags = ASN1_PKEY_ALIAS
623
	},
624
625
	{
626
		.pkey_id = EVP_PKEY_DSA1,
627
		.pkey_base_id = EVP_PKEY_DSA,
628
		.pkey_flags = ASN1_PKEY_ALIAS
629
	},
630
631
	{
632
		.pkey_id = EVP_PKEY_DSA4,
633
		.pkey_base_id = EVP_PKEY_DSA,
634
		.pkey_flags = ASN1_PKEY_ALIAS
635
	},
636
637
	{
638
		.pkey_id = EVP_PKEY_DSA3,
639
		.pkey_base_id = EVP_PKEY_DSA,
640
		.pkey_flags = ASN1_PKEY_ALIAS
641
	},
642
643
	{
644
		.pkey_id = EVP_PKEY_DSA,
645
		.pkey_base_id = EVP_PKEY_DSA,
646
647
		.pem_str = "DSA",
648
		.info = "OpenSSL DSA method",
649
650
		.pub_decode = dsa_pub_decode,
651
		.pub_encode = dsa_pub_encode,
652
		.pub_cmp = dsa_pub_cmp,
653
		.pub_print = dsa_pub_print,
654
655
		.priv_decode = dsa_priv_decode,
656
		.priv_encode = dsa_priv_encode,
657
		.priv_print = dsa_priv_print,
658
659
		.pkey_size = int_dsa_size,
660
		.pkey_bits = dsa_bits,
661
662
		.param_decode = dsa_param_decode,
663
		.param_encode = dsa_param_encode,
664
		.param_missing = dsa_missing_parameters,
665
		.param_copy = dsa_copy_parameters,
666
		.param_cmp = dsa_cmp_parameters,
667
		.param_print = dsa_param_print,
668
		.sig_print = dsa_sig_print,
669
670
		.pkey_free = int_dsa_free,
671
		.pkey_ctrl = dsa_pkey_ctrl,
672
		.old_priv_decode = old_dsa_priv_decode,
673
		.old_priv_encode = old_dsa_priv_encode
674
	}
675
};