Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/openssl/dsaparam.c	Lines:	67	145	46.2 %
Date:	2017-11-07	Branches:	37	84	44.0 %


/* $OpenBSD: dsaparam.c,v 1.8 2017/01/20 08:57:12 deraadt Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <openssl/opensslconf.h>	/* for OPENSSL_NO_DSA */

/* Until the key-gen callbacks are modified to use newer prototypes, we allow
 * deprecated functions for openssl-internal code */
#ifdef OPENSSL_NO_DEPRECATED
#undef OPENSSL_NO_DEPRECATED
#endif

#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include "apps.h"

#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/dsa.h>
#include <openssl/pem.h>
#include <openssl/x509.h>

static struct {
	int C;
	int genkey;
	char *infile;
	int informat;
	int noout;
	char *outfile;
	int outformat;
	int text;
} dsaparam_config;

static struct option dsaparam_options[] = {
	{
		.name = "C",
		.desc = "Convert DSA parameters into C code",
		.type = OPTION_FLAG,
		.opt.flag = &dsaparam_config.C,
	},
	{
		.name = "genkey",
		.desc = "Generate a DSA key",
		.type = OPTION_FLAG,
		.opt.flag = &dsaparam_config.genkey,
	},
	{
		.name = "in",
		.argname = "file",
		.desc = "Input file (default stdin)",
		.type = OPTION_ARG,
		.opt.arg = &dsaparam_config.infile,
	},
	{
		.name = "inform",
		.argname = "format",
		.desc = "Input format (DER or PEM (default))",
		.type = OPTION_ARG_FORMAT,
		.opt.value = &dsaparam_config.informat,
	},
	{
		.name = "noout",
		.desc = "No output",
		.type = OPTION_FLAG,
		.opt.flag = &dsaparam_config.noout,
	},
	{
		.name = "out",
		.argname = "file",
		.desc = "Output file (default stdout)",
		.type = OPTION_ARG,
		.opt.arg = &dsaparam_config.outfile,
	},
	{
		.name = "outform",
		.argname = "format",
		.desc = "Output format (DER or PEM (default))",
		.type = OPTION_ARG_FORMAT,
		.opt.value = &dsaparam_config.outformat,
	},
	{
		.name = "text",
		.desc = "Print as text",
		.type = OPTION_FLAG,
		.opt.flag = &dsaparam_config.text,
	},
	{ NULL },
};

static void
dsaparam_usage(void)
{
	fprintf(stderr,
	    "usage: dsaparam [-C] [-genkey] [-in file]\n"
	    "    [-inform format] [-noout] [-out file] [-outform format]\n"
	    "    [-text] [numbits]\n\n");
	options_usage(dsaparam_options);
}

static int dsa_cb(int p, int n, BN_GENCB * cb);

int
dsaparam_main(int argc, char **argv)
{
	DSA *dsa = NULL;
	int i;
	BIO *in = NULL, *out = NULL;
	int ret = 1;
	int numbits = -1;
	char *strbits = NULL;

	if (single_execution) {
		if (pledge("stdio cpath wpath rpath flock", NULL) == -1) {
			perror("pledge");
			exit(1);
		}
	}

	memset(&dsaparam_config, 0, sizeof(dsaparam_config));

	dsaparam_config.informat = FORMAT_PEM;
	dsaparam_config.outformat = FORMAT_PEM;

	if (options_parse(argc, argv, dsaparam_options, &strbits, NULL) != 0) {
		dsaparam_usage();
		goto end;
	}

	if (strbits != NULL) {
		const char *errstr;
		numbits = strtonum(strbits, 0, INT_MAX, &errstr);
		if (errstr) {
			fprintf(stderr, "Invalid number of bits: %s", errstr);
			goto end;
		}
	}

	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if (in == NULL || out == NULL) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsaparam_config.infile == NULL)
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	else {
		if (BIO_read_filename(in, dsaparam_config.infile) <= 0) {
			perror(dsaparam_config.infile);
			goto end;
		}
	}
	if (dsaparam_config.outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, dsaparam_config.outfile) <= 0) {
			perror(dsaparam_config.outfile);
			goto end;
		}
	}

	if (numbits > 0) {
		BN_GENCB cb;
		BN_GENCB_set(&cb, dsa_cb, bio_err);
		dsa = DSA_new();
		if (!dsa) {
			BIO_printf(bio_err, "Error allocating DSA object\n");
			goto end;
		}
		BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", numbits);
		BIO_printf(bio_err, "This could take some time\n");
		if (!DSA_generate_parameters_ex(dsa, numbits, NULL, 0, NULL, NULL, &cb)) {
			ERR_print_errors(bio_err);
			BIO_printf(bio_err, "Error, DSA key generation failed\n");
			goto end;
		}
	} else if (dsaparam_config.informat == FORMAT_ASN1)
		dsa = d2i_DSAparams_bio(in, NULL);
	else if (dsaparam_config.informat == FORMAT_PEM)
		dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
	else {
		BIO_printf(bio_err, "bad input format specified\n");
		goto end;
	}
	if (dsa == NULL) {
		BIO_printf(bio_err, "unable to load DSA parameters\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsaparam_config.text) {
		DSAparams_print(out, dsa);
	}
	if (dsaparam_config.C) {
		unsigned char *data;
		int l, len, bits_p;

		len = BN_num_bytes(dsa->p);
		bits_p = BN_num_bits(dsa->p);
		data = malloc(len + 20);
		if (data == NULL) {
			perror("malloc");
			goto end;
		}
		l = BN_bn2bin(dsa->p, data);
		printf("static unsigned char dsa%d_p[] = {", bits_p);
		for (i = 0; i < l; i++) {
			if ((i % 12) == 0)
				printf("\n\t");
			printf("0x%02X, ", data[i]);
		}
		printf("\n\t};\n");

		l = BN_bn2bin(dsa->q, data);
		printf("static unsigned char dsa%d_q[] = {", bits_p);
		for (i = 0; i < l; i++) {
			if ((i % 12) == 0)
				printf("\n\t");
			printf("0x%02X, ", data[i]);
		}
		printf("\n\t};\n");

		l = BN_bn2bin(dsa->g, data);
		printf("static unsigned char dsa%d_g[] = {", bits_p);
		for (i = 0; i < l; i++) {
			if ((i % 12) == 0)
				printf("\n\t");
			printf("0x%02X, ", data[i]);
		}
		free(data);
		printf("\n\t};\n\n");

		printf("DSA *get_dsa%d()\n\t{\n", bits_p);
		printf("\tDSA *dsa;\n\n");
		printf("\tif ((dsa = DSA_new()) == NULL) return(NULL);\n");
		printf("\tdsa->p = BN_bin2bn(dsa%d_p, sizeof(dsa%d_p), NULL);\n",
		    bits_p, bits_p);
		printf("\tdsa->q = BN_bin2bn(dsa%d_q, sizeof(dsa%d_q), NULL);\n",
		    bits_p, bits_p);
		printf("\tdsa->g = BN_bin2bn(dsa%d_g, sizeof(dsa%d_g), NULL);\n",
		    bits_p, bits_p);
		printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
		printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
		printf("\treturn(dsa);\n\t}\n");
	}
	if (!dsaparam_config.noout) {
		if (dsaparam_config.outformat == FORMAT_ASN1)
			i = i2d_DSAparams_bio(out, dsa);
		else if (dsaparam_config.outformat == FORMAT_PEM)
			i = PEM_write_bio_DSAparams(out, dsa);
		else {
			BIO_printf(bio_err, "bad output format specified for outfile\n");
			goto end;
		}
		if (!i) {
			BIO_printf(bio_err, "unable to write DSA parameters\n");
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if (dsaparam_config.genkey) {
		DSA *dsakey;

		if ((dsakey = DSAparams_dup(dsa)) == NULL)
			goto end;
		if (!DSA_generate_key(dsakey)) {
			ERR_print_errors(bio_err);
			DSA_free(dsakey);
			goto end;
		}
		if (dsaparam_config.outformat == FORMAT_ASN1)
			i = i2d_DSAPrivateKey_bio(out, dsakey);
		else if (dsaparam_config.outformat == FORMAT_PEM)
			i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL, NULL);
		else {
			BIO_printf(bio_err, "bad output format specified for outfile\n");
			DSA_free(dsakey);
			goto end;
		}
		DSA_free(dsakey);
	}
	ret = 0;

end:
	BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	if (dsa != NULL)
		DSA_free(dsa);

	return (ret);
}

static int
dsa_cb(int p, int n, BN_GENCB * cb)
{
	char c = '*';

	if (p == 0)
		c = '.';
	if (p == 1)
		c = '+';
	if (p == 2)
		c = '*';
	if (p == 3)
		c = '\n';
	BIO_write(cb->arg, &c, 1);
	(void) BIO_flush(cb->arg);
#ifdef GENCB_TEST
	if (stop_keygen_flag)
		return 0;
#endif
	return 1;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: dsaparam.c,v 1.8 2017/01/20 08:57:12 deraadt Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
60
61			/* Until the key-gen callbacks are modified to use newer prototypes, we allow
62			* deprecated functions for openssl-internal code */
63			#ifdef OPENSSL_NO_DEPRECATED
64			#undef OPENSSL_NO_DEPRECATED
65			#endif
66
67			#include <limits.h>
68			#include <stdio.h>
69			#include <stdlib.h>
70			#include <string.h>
71			#include <time.h>
72
73			#include "apps.h"
74
75			#include <openssl/bio.h>
76			#include <openssl/bn.h>
77			#include <openssl/err.h>
78			#include <openssl/dsa.h>
79			#include <openssl/pem.h>
80			#include <openssl/x509.h>
81
82			static struct {
83			int C;
84			int genkey;
85			char *infile;
86			int informat;
87			int noout;
88			char *outfile;
89			int outformat;
90			int text;
91			} dsaparam_config;
92
93			static struct option dsaparam_options[] = {
94			{
95			.name = "C",
96			.desc = "Convert DSA parameters into C code",
97			.type = OPTION_FLAG,
98			.opt.flag = &dsaparam_config.C,
99			},
100			{
101			.name = "genkey",
102			.desc = "Generate a DSA key",
103			.type = OPTION_FLAG,
104			.opt.flag = &dsaparam_config.genkey,
105			},
106			{
107			.name = "in",
108			.argname = "file",
109			.desc = "Input file (default stdin)",
110			.type = OPTION_ARG,
111			.opt.arg = &dsaparam_config.infile,
112			},
113			{
114			.name = "inform",
115			.argname = "format",
116			.desc = "Input format (DER or PEM (default))",
117			.type = OPTION_ARG_FORMAT,
118			.opt.value = &dsaparam_config.informat,
119			},
120			{
121			.name = "noout",
122			.desc = "No output",
123			.type = OPTION_FLAG,
124			.opt.flag = &dsaparam_config.noout,
125			},
126			{
127			.name = "out",
128			.argname = "file",
129			.desc = "Output file (default stdout)",
130			.type = OPTION_ARG,
131			.opt.arg = &dsaparam_config.outfile,
132			},
133			{
134			.name = "outform",
135			.argname = "format",
136			.desc = "Output format (DER or PEM (default))",
137			.type = OPTION_ARG_FORMAT,
138			.opt.value = &dsaparam_config.outformat,
139			},
140			{
141			.name = "text",
142			.desc = "Print as text",
143			.type = OPTION_FLAG,
144			.opt.flag = &dsaparam_config.text,
145			},
146			{ NULL },
147			};
148
149			static void
150			dsaparam_usage(void)
151			{
152		16	fprintf(stderr,
153			"usage: dsaparam [-C] [-genkey] [-in file]\n"
154			" [-inform format] [-noout] [-out file] [-outform format]\n"
155			" [-text] [numbits]\n\n");
156		8	options_usage(dsaparam_options);
157		8	}
158
159			static int dsa_cb(int p, int n, BN_GENCB * cb);
160
161			int
162			dsaparam_main(int argc, char **argv)
163			{
164			DSA *dsa = NULL;
165			int i;
166			BIO in = NULL, out = NULL;
167			int ret = 1;
168			int numbits = -1;
169		48	char *strbits = NULL;
170
171	✓✗	24	if (single_execution) {
172	✗✓	24	if (pledge("stdio cpath wpath rpath flock", NULL) == -1) {
173			perror("pledge");
174			exit(1);
175			}
176			}
177
178		24	memset(&dsaparam_config, 0, sizeof(dsaparam_config));
179
180		24	dsaparam_config.informat = FORMAT_PEM;
181		24	dsaparam_config.outformat = FORMAT_PEM;
182
183	✓✓	24	if (options_parse(argc, argv, dsaparam_options, &strbits, NULL) != 0) {
184		8	dsaparam_usage();
185		8	goto end;
186			}
187
188	✓✗	16	if (strbits != NULL) {
189		16	const char *errstr;
190		16	numbits = strtonum(strbits, 0, INT_MAX, &errstr);
191	✗✓	16	if (errstr) {
192			fprintf(stderr, "Invalid number of bits: %s", errstr);
193			goto end;
194			}
195	✓✗✗	32	}
196
197		16	in = BIO_new(BIO_s_file());
198		16	out = BIO_new(BIO_s_file());
199	✗✓	16	if (in == NULL \|\| out == NULL) {
200			ERR_print_errors(bio_err);
201			goto end;
202			}
203	✓✗	16	if (dsaparam_config.infile == NULL)
204		16	BIO_set_fp(in, stdin, BIO_NOCLOSE);
205			else {
206			if (BIO_read_filename(in, dsaparam_config.infile) <= 0) {
207			perror(dsaparam_config.infile);
208			goto end;
209			}
210			}
211	✗✓	16	if (dsaparam_config.outfile == NULL) {
212			BIO_set_fp(out, stdout, BIO_NOCLOSE);
213			} else {
214	✗✓	16	if (BIO_write_filename(out, dsaparam_config.outfile) <= 0) {
215			perror(dsaparam_config.outfile);
216			goto end;
217			}
218			}
219
220	✓✗	16	if (numbits > 0) {
221		16	BN_GENCB cb;
222		16	BN_GENCB_set(&cb, dsa_cb, bio_err);
223		16	dsa = DSA_new();
224	✗✓	16	if (!dsa) {
225			BIO_printf(bio_err, "Error allocating DSA object\n");
226			goto end;
227			}
228		16	BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", numbits);
229		16	BIO_printf(bio_err, "This could take some time\n");
230	✗✓	16	if (!DSA_generate_parameters_ex(dsa, numbits, NULL, 0, NULL, NULL, &cb)) {
231			ERR_print_errors(bio_err);
232			BIO_printf(bio_err, "Error, DSA key generation failed\n");
233			goto end;
234			}
235	✓✓✓✗ ✗	48	} else if (dsaparam_config.informat == FORMAT_ASN1)
236			dsa = d2i_DSAparams_bio(in, NULL);
237			else if (dsaparam_config.informat == FORMAT_PEM)
238			dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
239			else {
240			BIO_printf(bio_err, "bad input format specified\n");
241			goto end;
242			}
243	✗✓	16	if (dsa == NULL) {
244			BIO_printf(bio_err, "unable to load DSA parameters\n");
245			ERR_print_errors(bio_err);
246			goto end;
247			}
248	✗✓	16	if (dsaparam_config.text) {
249			DSAparams_print(out, dsa);
250			}
251	✗✓	16	if (dsaparam_config.C) {
252			unsigned char *data;
253			int l, len, bits_p;
254
255			len = BN_num_bytes(dsa->p);
256			bits_p = BN_num_bits(dsa->p);
257			data = malloc(len + 20);
258			if (data == NULL) {
259			perror("malloc");
260			goto end;
261			}
262			l = BN_bn2bin(dsa->p, data);
263			printf("static unsigned char dsa%d_p[] = {", bits_p);
264			for (i = 0; i < l; i++) {
265			if ((i % 12) == 0)
266			printf("\n\t");
267			printf("0x%02X, ", data[i]);
268			}
269			printf("\n\t};\n");
270
271			l = BN_bn2bin(dsa->q, data);
272			printf("static unsigned char dsa%d_q[] = {", bits_p);
273			for (i = 0; i < l; i++) {
274			if ((i % 12) == 0)
275			printf("\n\t");
276			printf("0x%02X, ", data[i]);
277			}
278			printf("\n\t};\n");
279
280			l = BN_bn2bin(dsa->g, data);
281			printf("static unsigned char dsa%d_g[] = {", bits_p);
282			for (i = 0; i < l; i++) {
283			if ((i % 12) == 0)
284			printf("\n\t");
285			printf("0x%02X, ", data[i]);
286			}
287			free(data);
288			printf("\n\t};\n\n");
289
290			printf("DSA *get_dsa%d()\n\t{\n", bits_p);
291			printf("\tDSA *dsa;\n\n");
292			printf("\tif ((dsa = DSA_new()) == NULL) return(NULL);\n");
293			printf("\tdsa->p = BN_bin2bn(dsa%d_p, sizeof(dsa%d_p), NULL);\n",
294			bits_p, bits_p);
295			printf("\tdsa->q = BN_bin2bn(dsa%d_q, sizeof(dsa%d_q), NULL);\n",
296			bits_p, bits_p);
297			printf("\tdsa->g = BN_bin2bn(dsa%d_g, sizeof(dsa%d_g), NULL);\n",
298			bits_p, bits_p);
299			printf("\tif ((dsa->p == NULL) \|\| (dsa->q == NULL) \|\| (dsa->g == NULL))\n");
300			printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
301			printf("\treturn(dsa);\n\t}\n");
302			}
303	✓✗	16	if (!dsaparam_config.noout) {
304	✗✓	16	if (dsaparam_config.outformat == FORMAT_ASN1)
305			i = i2d_DSAparams_bio(out, dsa);
306	✓✗	16	else if (dsaparam_config.outformat == FORMAT_PEM)
307		16	i = PEM_write_bio_DSAparams(out, dsa);
308			else {
309			BIO_printf(bio_err, "bad output format specified for outfile\n");
310			goto end;
311			}
312	✗✓	16	if (!i) {
313			BIO_printf(bio_err, "unable to write DSA parameters\n");
314			ERR_print_errors(bio_err);
315			goto end;
316			}
317			}
318	✓✓	16	if (dsaparam_config.genkey) {
319			DSA *dsakey;
320
321	✗✓	8	if ((dsakey = DSAparams_dup(dsa)) == NULL)
322			goto end;
323	✗✓	8	if (!DSA_generate_key(dsakey)) {
324			ERR_print_errors(bio_err);
325			DSA_free(dsakey);
326			goto end;
327			}
328	✗✓	8	if (dsaparam_config.outformat == FORMAT_ASN1)
329			i = i2d_DSAPrivateKey_bio(out, dsakey);
330	✓✗	8	else if (dsaparam_config.outformat == FORMAT_PEM)
331		8	i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL, NULL);
332			else {
333			BIO_printf(bio_err, "bad output format specified for outfile\n");
334			DSA_free(dsakey);
335			goto end;
336			}
337		8	DSA_free(dsakey);
338	✓✓✓	8	}
339		16	ret = 0;
340
341			end:
342		24	BIO_free(in);
343	✓✓	24	if (out != NULL)
344		16	BIO_free_all(out);
345	✓✓	24	if (dsa != NULL)
346		16	DSA_free(dsa);
347
348		24	return (ret);
349		24	}
350
351			static int
352			dsa_cb(int p, int n, BN_GENCB * cb)
353			{
354		11906	char c = '*';
355
356		5953	if (p == 0)
357			c = '.';
358		5953	if (p == 1)
359			c = '+';
360		5953	if (p == 2)
361			c = '*';
362		5953	if (p == 3)
363		5953	c = '\n';
364		5953	BIO_write(cb->arg, &c, 1);
365		5953	(void) BIO_flush(cb->arg);
366			#ifdef GENCB_TEST
367			if (stop_keygen_flag)
368			return 0;
369			#endif
370		5953	return 1;
371		5953	}