xref: /onnv-gate/usr/src/common/openssl/apps/genrsa.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /* apps/genrsa.c */
2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3*0Sstevel@tonic-gate  * All rights reserved.
4*0Sstevel@tonic-gate  *
5*0Sstevel@tonic-gate  * This package is an SSL implementation written
6*0Sstevel@tonic-gate  * by Eric Young (eay@cryptsoft.com).
7*0Sstevel@tonic-gate  * The implementation was written so as to conform with Netscapes SSL.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * This library is free for commercial and non-commercial use as long as
10*0Sstevel@tonic-gate  * the following conditions are aheared to.  The following conditions
11*0Sstevel@tonic-gate  * apply to all code found in this distribution, be it the RC4, RSA,
12*0Sstevel@tonic-gate  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13*0Sstevel@tonic-gate  * included with this distribution is covered by the same copyright terms
14*0Sstevel@tonic-gate  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15*0Sstevel@tonic-gate  *
16*0Sstevel@tonic-gate  * Copyright remains Eric Young's, and as such any Copyright notices in
17*0Sstevel@tonic-gate  * the code are not to be removed.
18*0Sstevel@tonic-gate  * If this package is used in a product, Eric Young should be given attribution
19*0Sstevel@tonic-gate  * as the author of the parts of the library used.
20*0Sstevel@tonic-gate  * This can be in the form of a textual message at program startup or
21*0Sstevel@tonic-gate  * in documentation (online or textual) provided with the package.
22*0Sstevel@tonic-gate  *
23*0Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
24*0Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
25*0Sstevel@tonic-gate  * are met:
26*0Sstevel@tonic-gate  * 1. Redistributions of source code must retain the copyright
27*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
28*0Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
29*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
30*0Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
31*0Sstevel@tonic-gate  * 3. All advertising materials mentioning features or use of this software
32*0Sstevel@tonic-gate  *    must display the following acknowledgement:
33*0Sstevel@tonic-gate  *    "This product includes cryptographic software written by
34*0Sstevel@tonic-gate  *     Eric Young (eay@cryptsoft.com)"
35*0Sstevel@tonic-gate  *    The word 'cryptographic' can be left out if the rouines from the library
36*0Sstevel@tonic-gate  *    being used are not cryptographic related :-).
37*0Sstevel@tonic-gate  * 4. If you include any Windows specific code (or a derivative thereof) from
38*0Sstevel@tonic-gate  *    the apps directory (application code) you must include an acknowledgement:
39*0Sstevel@tonic-gate  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40*0Sstevel@tonic-gate  *
41*0Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42*0Sstevel@tonic-gate  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43*0Sstevel@tonic-gate  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44*0Sstevel@tonic-gate  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45*0Sstevel@tonic-gate  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46*0Sstevel@tonic-gate  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47*0Sstevel@tonic-gate  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48*0Sstevel@tonic-gate  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49*0Sstevel@tonic-gate  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50*0Sstevel@tonic-gate  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51*0Sstevel@tonic-gate  * SUCH DAMAGE.
52*0Sstevel@tonic-gate  *
53*0Sstevel@tonic-gate  * The licence and distribution terms for any publically available version or
54*0Sstevel@tonic-gate  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55*0Sstevel@tonic-gate  * copied and put under another distribution licence
56*0Sstevel@tonic-gate  * [including the GNU Public Licence.]
57*0Sstevel@tonic-gate  */
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate /*
60*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
61*0Sstevel@tonic-gate  * Use is subject to license terms.
62*0Sstevel@tonic-gate  */
63*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
64*0Sstevel@tonic-gate #ifdef SOLARIS_OPENSSL
65*0Sstevel@tonic-gate #include <dlfcn.h>
66*0Sstevel@tonic-gate #endif /* SOLARIS_OPENSSL */
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate #ifndef OPENSSL_NO_RSA
69*0Sstevel@tonic-gate #include <stdio.h>
70*0Sstevel@tonic-gate #include <string.h>
71*0Sstevel@tonic-gate #include <sys/types.h>
72*0Sstevel@tonic-gate #include <sys/stat.h>
73*0Sstevel@tonic-gate #include "apps.h"
74*0Sstevel@tonic-gate #include <openssl/bio.h>
75*0Sstevel@tonic-gate #include <openssl/err.h>
76*0Sstevel@tonic-gate #include <openssl/bn.h>
77*0Sstevel@tonic-gate #include <openssl/rsa.h>
78*0Sstevel@tonic-gate #include <openssl/evp.h>
79*0Sstevel@tonic-gate #include <openssl/x509.h>
80*0Sstevel@tonic-gate #include <openssl/pem.h>
81*0Sstevel@tonic-gate #include <openssl/rand.h>
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #define DEFBITS	512
84*0Sstevel@tonic-gate #undef PROG
85*0Sstevel@tonic-gate #define PROG genrsa_main
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate static void MS_CALLBACK genrsa_cb(int p, int n, void *arg);
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate int MAIN(int, char **);
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate int MAIN(int argc, char **argv)
92*0Sstevel@tonic-gate 	{
93*0Sstevel@tonic-gate #ifndef OPENSSL_NO_ENGINE
94*0Sstevel@tonic-gate 	ENGINE *e = NULL;
95*0Sstevel@tonic-gate #endif
96*0Sstevel@tonic-gate 	int ret=1;
97*0Sstevel@tonic-gate 	RSA *rsa=NULL;
98*0Sstevel@tonic-gate 	int i,num=DEFBITS;
99*0Sstevel@tonic-gate 	long l;
100*0Sstevel@tonic-gate 	const EVP_CIPHER *enc=NULL;
101*0Sstevel@tonic-gate 	unsigned long f4=RSA_F4;
102*0Sstevel@tonic-gate 	char *outfile=NULL;
103*0Sstevel@tonic-gate 	char *passargout = NULL, *passout = NULL;
104*0Sstevel@tonic-gate #ifndef OPENSSL_NO_ENGINE
105*0Sstevel@tonic-gate 	char *engine=NULL;
106*0Sstevel@tonic-gate #endif
107*0Sstevel@tonic-gate 	char *inrand=NULL;
108*0Sstevel@tonic-gate 	BIO *out=NULL;
109*0Sstevel@tonic-gate 
110*0Sstevel@tonic-gate 	apps_startup();
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate 	if (bio_err == NULL)
113*0Sstevel@tonic-gate 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
114*0Sstevel@tonic-gate 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
115*0Sstevel@tonic-gate 
116*0Sstevel@tonic-gate 	if (!load_config(bio_err, NULL))
117*0Sstevel@tonic-gate 		goto err;
118*0Sstevel@tonic-gate 	if ((out=BIO_new(BIO_s_file())) == NULL)
119*0Sstevel@tonic-gate 		{
120*0Sstevel@tonic-gate 		BIO_printf(bio_err,"unable to create BIO for output\n");
121*0Sstevel@tonic-gate 		goto err;
122*0Sstevel@tonic-gate 		}
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate 	argv++;
125*0Sstevel@tonic-gate 	argc--;
126*0Sstevel@tonic-gate 	for (;;)
127*0Sstevel@tonic-gate 		{
128*0Sstevel@tonic-gate 		if (argc <= 0) break;
129*0Sstevel@tonic-gate 		if (strcmp(*argv,"-out") == 0)
130*0Sstevel@tonic-gate 			{
131*0Sstevel@tonic-gate 			if (--argc < 1) goto bad;
132*0Sstevel@tonic-gate 			outfile= *(++argv);
133*0Sstevel@tonic-gate 			}
134*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-3") == 0)
135*0Sstevel@tonic-gate 			f4=3;
136*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
137*0Sstevel@tonic-gate 			f4=RSA_F4;
138*0Sstevel@tonic-gate #ifndef OPENSSL_NO_ENGINE
139*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-engine") == 0)
140*0Sstevel@tonic-gate 			{
141*0Sstevel@tonic-gate 			if (--argc < 1) goto bad;
142*0Sstevel@tonic-gate 			engine= *(++argv);
143*0Sstevel@tonic-gate 			}
144*0Sstevel@tonic-gate #endif
145*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-rand") == 0)
146*0Sstevel@tonic-gate 			{
147*0Sstevel@tonic-gate 			if (--argc < 1) goto bad;
148*0Sstevel@tonic-gate 			inrand= *(++argv);
149*0Sstevel@tonic-gate 			}
150*0Sstevel@tonic-gate #ifndef OPENSSL_NO_DES
151*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-des") == 0)
152*0Sstevel@tonic-gate 			enc=EVP_des_cbc();
153*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-des3") == 0)
154*0Sstevel@tonic-gate 			enc=EVP_des_ede3_cbc();
155*0Sstevel@tonic-gate #endif
156*0Sstevel@tonic-gate #ifndef OPENSSL_NO_IDEA
157*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-idea") == 0)
158*0Sstevel@tonic-gate 			enc=EVP_idea_cbc();
159*0Sstevel@tonic-gate #endif
160*0Sstevel@tonic-gate #ifndef OPENSSL_NO_AES
161*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-aes128") == 0)
162*0Sstevel@tonic-gate 			enc=EVP_aes_128_cbc();
163*0Sstevel@tonic-gate #ifdef SOLARIS_OPENSSL
164*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-aes192") == 0)
165*0Sstevel@tonic-gate 			{
166*0Sstevel@tonic-gate 			enc=dlsym(RTLD_DEFAULT, "EVP_aes_192_cbc");
167*0Sstevel@tonic-gate 			if (enc == NULL)
168*0Sstevel@tonic-gate 				{
169*0Sstevel@tonic-gate 				BIO_printf(bio_err,"SUNWcry not installed.\n");
170*0Sstevel@tonic-gate 				goto bad;
171*0Sstevel@tonic-gate 				}
172*0Sstevel@tonic-gate 			}
173*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-aes256") == 0)
174*0Sstevel@tonic-gate 			{
175*0Sstevel@tonic-gate 			enc=dlsym(RTLD_DEFAULT, "EVP_aes_256_cbc");
176*0Sstevel@tonic-gate 			if (enc == NULL)
177*0Sstevel@tonic-gate 				{
178*0Sstevel@tonic-gate 				BIO_printf(bio_err,"SUNWcry not installed.\n");
179*0Sstevel@tonic-gate 				goto bad;
180*0Sstevel@tonic-gate 				}
181*0Sstevel@tonic-gate 			}
182*0Sstevel@tonic-gate #else
183*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-aes192") == 0)
184*0Sstevel@tonic-gate 			enc=EVP_aes_192_cbc();
185*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-aes256") == 0)
186*0Sstevel@tonic-gate 			enc=EVP_aes_256_cbc();
187*0Sstevel@tonic-gate #endif /* SOLARIS_OPENSSL */
188*0Sstevel@tonic-gate #endif
189*0Sstevel@tonic-gate 		else if (strcmp(*argv,"-passout") == 0)
190*0Sstevel@tonic-gate 			{
191*0Sstevel@tonic-gate 			if (--argc < 1) goto bad;
192*0Sstevel@tonic-gate 			passargout= *(++argv);
193*0Sstevel@tonic-gate 			}
194*0Sstevel@tonic-gate 		else
195*0Sstevel@tonic-gate 			break;
196*0Sstevel@tonic-gate 		argv++;
197*0Sstevel@tonic-gate 		argc--;
198*0Sstevel@tonic-gate 		}
199*0Sstevel@tonic-gate 	if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
200*0Sstevel@tonic-gate 		{
201*0Sstevel@tonic-gate bad:
202*0Sstevel@tonic-gate 		BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n");
203*0Sstevel@tonic-gate 		BIO_printf(bio_err," -des            encrypt the generated key with DES in cbc mode\n");
204*0Sstevel@tonic-gate 		BIO_printf(bio_err," -des3           encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
205*0Sstevel@tonic-gate #ifndef OPENSSL_NO_IDEA
206*0Sstevel@tonic-gate 		BIO_printf(bio_err," -idea           encrypt the generated key with IDEA in cbc mode\n");
207*0Sstevel@tonic-gate #endif
208*0Sstevel@tonic-gate #ifndef OPENSSL_NO_AES
209*0Sstevel@tonic-gate 		BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
210*0Sstevel@tonic-gate 		BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
211*0Sstevel@tonic-gate #endif
212*0Sstevel@tonic-gate 		BIO_printf(bio_err," -out file       output the key to 'file\n");
213*0Sstevel@tonic-gate 		BIO_printf(bio_err," -passout arg    output file pass phrase source\n");
214*0Sstevel@tonic-gate 		BIO_printf(bio_err," -f4             use F4 (0x10001) for the E value\n");
215*0Sstevel@tonic-gate 		BIO_printf(bio_err," -3              use 3 for the E value\n");
216*0Sstevel@tonic-gate #ifndef OPENSSL_NO_ENGINE
217*0Sstevel@tonic-gate 		BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
218*0Sstevel@tonic-gate #endif
219*0Sstevel@tonic-gate 		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
220*0Sstevel@tonic-gate 		BIO_printf(bio_err,"                 load the file (or the files in the directory) into\n");
221*0Sstevel@tonic-gate 		BIO_printf(bio_err,"                 the random number generator\n");
222*0Sstevel@tonic-gate 		goto err;
223*0Sstevel@tonic-gate 		}
224*0Sstevel@tonic-gate 
225*0Sstevel@tonic-gate 	ERR_load_crypto_strings();
226*0Sstevel@tonic-gate 
227*0Sstevel@tonic-gate 	if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
228*0Sstevel@tonic-gate 		BIO_printf(bio_err, "Error getting password\n");
229*0Sstevel@tonic-gate 		goto err;
230*0Sstevel@tonic-gate 	}
231*0Sstevel@tonic-gate 
232*0Sstevel@tonic-gate #ifndef OPENSSL_NO_ENGINE
233*0Sstevel@tonic-gate         e = setup_engine(bio_err, engine, 0);
234*0Sstevel@tonic-gate #endif
235*0Sstevel@tonic-gate 
236*0Sstevel@tonic-gate 	if (outfile == NULL)
237*0Sstevel@tonic-gate 		{
238*0Sstevel@tonic-gate 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
239*0Sstevel@tonic-gate #ifdef OPENSSL_SYS_VMS
240*0Sstevel@tonic-gate 		{
241*0Sstevel@tonic-gate 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
242*0Sstevel@tonic-gate 		out = BIO_push(tmpbio, out);
243*0Sstevel@tonic-gate 		}
244*0Sstevel@tonic-gate #endif
245*0Sstevel@tonic-gate 		}
246*0Sstevel@tonic-gate 	else
247*0Sstevel@tonic-gate 		{
248*0Sstevel@tonic-gate 		if (BIO_write_filename(out,outfile) <= 0)
249*0Sstevel@tonic-gate 			{
250*0Sstevel@tonic-gate 			perror(outfile);
251*0Sstevel@tonic-gate 			goto err;
252*0Sstevel@tonic-gate 			}
253*0Sstevel@tonic-gate 		}
254*0Sstevel@tonic-gate 
255*0Sstevel@tonic-gate 	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
256*0Sstevel@tonic-gate 		&& !RAND_status())
257*0Sstevel@tonic-gate 		{
258*0Sstevel@tonic-gate 		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
259*0Sstevel@tonic-gate 		}
260*0Sstevel@tonic-gate 	if (inrand != NULL)
261*0Sstevel@tonic-gate 		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
262*0Sstevel@tonic-gate 			app_RAND_load_files(inrand));
263*0Sstevel@tonic-gate 
264*0Sstevel@tonic-gate 	BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n",
265*0Sstevel@tonic-gate 		num);
266*0Sstevel@tonic-gate 	rsa=RSA_generate_key(num,f4,genrsa_cb,bio_err);
267*0Sstevel@tonic-gate 
268*0Sstevel@tonic-gate 	app_RAND_write_file(NULL, bio_err);
269*0Sstevel@tonic-gate 
270*0Sstevel@tonic-gate 	if (rsa == NULL) goto err;
271*0Sstevel@tonic-gate 
272*0Sstevel@tonic-gate 	/* We need to do the following for when the base number size is <
273*0Sstevel@tonic-gate 	 * long, esp windows 3.1 :-(. */
274*0Sstevel@tonic-gate 	l=0L;
275*0Sstevel@tonic-gate 	for (i=0; i<rsa->e->top; i++)
276*0Sstevel@tonic-gate 		{
277*0Sstevel@tonic-gate #ifndef SIXTY_FOUR_BIT
278*0Sstevel@tonic-gate 		l<<=BN_BITS4;
279*0Sstevel@tonic-gate 		l<<=BN_BITS4;
280*0Sstevel@tonic-gate #endif
281*0Sstevel@tonic-gate 		l+=rsa->e->d[i];
282*0Sstevel@tonic-gate 		}
283*0Sstevel@tonic-gate 	BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l);
284*0Sstevel@tonic-gate 	{
285*0Sstevel@tonic-gate 	PW_CB_DATA cb_data;
286*0Sstevel@tonic-gate 	cb_data.password = passout;
287*0Sstevel@tonic-gate 	cb_data.prompt_info = outfile;
288*0Sstevel@tonic-gate 	if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,
289*0Sstevel@tonic-gate 		(pem_password_cb *)password_callback,&cb_data))
290*0Sstevel@tonic-gate 		goto err;
291*0Sstevel@tonic-gate 	}
292*0Sstevel@tonic-gate 
293*0Sstevel@tonic-gate 	ret=0;
294*0Sstevel@tonic-gate err:
295*0Sstevel@tonic-gate 	if (rsa != NULL) RSA_free(rsa);
296*0Sstevel@tonic-gate 	if (out != NULL) BIO_free_all(out);
297*0Sstevel@tonic-gate 	if(passout) OPENSSL_free(passout);
298*0Sstevel@tonic-gate 	if (ret != 0)
299*0Sstevel@tonic-gate 		ERR_print_errors(bio_err);
300*0Sstevel@tonic-gate 	apps_shutdown();
301*0Sstevel@tonic-gate 	OPENSSL_EXIT(ret);
302*0Sstevel@tonic-gate 	}
303*0Sstevel@tonic-gate 
304*0Sstevel@tonic-gate static void MS_CALLBACK genrsa_cb(int p, int n, void *arg)
305*0Sstevel@tonic-gate 	{
306*0Sstevel@tonic-gate 	char c='*';
307*0Sstevel@tonic-gate 
308*0Sstevel@tonic-gate 	if (p == 0) c='.';
309*0Sstevel@tonic-gate 	if (p == 1) c='+';
310*0Sstevel@tonic-gate 	if (p == 2) c='*';
311*0Sstevel@tonic-gate 	if (p == 3) c='\n';
312*0Sstevel@tonic-gate 	BIO_write((BIO *)arg,&c,1);
313*0Sstevel@tonic-gate 	(void)BIO_flush((BIO *)arg);
314*0Sstevel@tonic-gate #ifdef LINT
315*0Sstevel@tonic-gate 	p=n;
316*0Sstevel@tonic-gate #endif
317*0Sstevel@tonic-gate 	}
318*0Sstevel@tonic-gate #else /* !OPENSSL_NO_RSA */
319*0Sstevel@tonic-gate 
320*0Sstevel@tonic-gate # if PEDANTIC
321*0Sstevel@tonic-gate static void *dummy=&dummy;
322*0Sstevel@tonic-gate # endif
323*0Sstevel@tonic-gate 
324*0Sstevel@tonic-gate #endif
325