Branch data Line data Source code
1 : : /* ====================================================================
2 : : * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
3 : : *
4 : : * Redistribution and use in source and binary forms, with or without
5 : : * modification, are permitted provided that the following conditions
6 : : * are met:
7 : : *
8 : : * 1. Redistributions of source code must retain the above copyright
9 : : * notice, this list of conditions and the following disclaimer.
10 : : *
11 : : * 2. Redistributions in binary form must reproduce the above copyright
12 : : * notice, this list of conditions and the following disclaimer in
13 : : * the documentation and/or other materials provided with the
14 : : * distribution.
15 : : *
16 : : * 3. All advertising materials mentioning features or use of this
17 : : * software must display the following acknowledgment:
18 : : * "This product includes software developed by the OpenSSL Project
19 : : * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
20 : : *
21 : : * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 : : * endorse or promote products derived from this software without
23 : : * prior written permission. For written permission, please contact
24 : : * openssl-core@openssl.org.
25 : : *
26 : : * 5. Products derived from this software may not be called "OpenSSL"
27 : : * nor may "OpenSSL" appear in their names without prior written
28 : : * permission of the OpenSSL Project.
29 : : *
30 : : * 6. Redistributions of any form whatsoever must retain the following
31 : : * acknowledgment:
32 : : * "This product includes software developed by the OpenSSL Project
33 : : * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
34 : : *
35 : : * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 : : * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 : : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 : : * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 : : * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 : : * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 : : * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 : : * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 : : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 : : * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 : : * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 : : * OF THE POSSIBILITY OF SUCH DAMAGE.
47 : : *
48 : : */
49 : :
50 : : #include <string.h>
51 : :
52 : : #include "apps.h"
53 : : #include <openssl/bn.h>
54 : :
55 : :
56 : : #undef PROG
57 : : #define PROG prime_main
58 : :
59 : : int MAIN(int, char **);
60 : :
61 : 0 : int MAIN(int argc, char **argv)
62 : : {
63 : 0 : int hex=0;
64 : 0 : int checks=20;
65 : 0 : int generate=0;
66 : 0 : int bits=0;
67 : 0 : int safe=0;
68 : 0 : BIGNUM *bn=NULL;
69 : : BIO *bio_out;
70 : :
71 : 0 : apps_startup();
72 : :
73 [ # # ]: 0 : if (bio_err == NULL)
74 [ # # ]: 0 : if ((bio_err=BIO_new(BIO_s_file())) != NULL)
75 : 0 : BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
76 : :
77 : 0 : --argc;
78 : 0 : ++argv;
79 [ # # ][ # # ]: 0 : while (argc >= 1 && **argv == '-')
80 : : {
81 [ # # ]: 0 : if(!strcmp(*argv,"-hex"))
82 : : hex=1;
83 [ # # ]: 0 : else if(!strcmp(*argv,"-generate"))
84 : : generate=1;
85 [ # # ]: 0 : else if(!strcmp(*argv,"-bits"))
86 [ # # ]: 0 : if(--argc < 1)
87 : : goto bad;
88 : : else
89 : 0 : bits=atoi(*++argv);
90 [ # # ]: 0 : else if(!strcmp(*argv,"-safe"))
91 : : safe=1;
92 [ # # ]: 0 : else if(!strcmp(*argv,"-checks"))
93 [ # # ]: 0 : if(--argc < 1)
94 : : goto bad;
95 : : else
96 : 0 : checks=atoi(*++argv);
97 : : else
98 : : {
99 : 0 : BIO_printf(bio_err,"Unknown option '%s'\n",*argv);
100 : 0 : goto bad;
101 : : }
102 : 0 : --argc;
103 : 0 : ++argv;
104 : : }
105 : :
106 [ # # ][ # # ]: 0 : if (argv[0] == NULL && !generate)
107 : : {
108 : 0 : BIO_printf(bio_err,"No prime specified\n");
109 : 0 : goto bad;
110 : : }
111 : :
112 [ # # ]: 0 : if ((bio_out=BIO_new(BIO_s_file())) != NULL)
113 : : {
114 : 0 : BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
115 : : #ifdef OPENSSL_SYS_VMS
116 : : {
117 : : BIO *tmpbio = BIO_new(BIO_f_linebuffer());
118 : : bio_out = BIO_push(tmpbio, bio_out);
119 : : }
120 : : #endif
121 : : }
122 : :
123 [ # # ]: 0 : if(generate)
124 : : {
125 : : char *s;
126 : :
127 [ # # ]: 0 : if(!bits)
128 : : {
129 : 0 : BIO_printf(bio_err,"Specifiy the number of bits.\n");
130 : 0 : return 1;
131 : : }
132 : 0 : bn=BN_new();
133 : 0 : BN_generate_prime_ex(bn,bits,safe,NULL,NULL,NULL);
134 [ # # ]: 0 : s=hex ? BN_bn2hex(bn) : BN_bn2dec(bn);
135 : 0 : BIO_printf(bio_out,"%s\n",s);
136 : 0 : OPENSSL_free(s);
137 : : }
138 : : else
139 : : {
140 [ # # ]: 0 : if(hex)
141 : 0 : BN_hex2bn(&bn,argv[0]);
142 : : else
143 : 0 : BN_dec2bn(&bn,argv[0]);
144 : :
145 : 0 : BN_print(bio_out,bn);
146 [ # # ]: 0 : BIO_printf(bio_out," is %sprime\n",
147 : 0 : BN_is_prime_ex(bn,checks,NULL,NULL) ? "" : "not ");
148 : : }
149 : :
150 : 0 : BN_free(bn);
151 : 0 : BIO_free_all(bio_out);
152 : :
153 : 0 : return 0;
154 : :
155 : : bad:
156 : 0 : BIO_printf(bio_err,"options are\n");
157 : 0 : BIO_printf(bio_err,"%-14s hex\n","-hex");
158 : 0 : BIO_printf(bio_err,"%-14s number of checks\n","-checks <n>");
159 : 0 : return 1;
160 : : }
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