]>
git.ipfire.org Git - thirdparty/openssl.git/blob - apps/rand.c
a893896033a8c4422a9c6138ae31deb17602e4e1
2 /* ====================================================================
3 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/bio.h>
63 #include <openssl/err.h>
64 #include <openssl/rand.h>
67 #define PROG rand_main
69 /* -out file - write to file
70 * -rand file:file - PRNG seed files
71 * -base64 - encode output
72 * num - write 'num' bytes
75 int MAIN(int, char **);
77 int MAIN(int argc
, char **argv
)
79 #ifndef OPENSSL_NO_ENGINE
89 #ifndef OPENSSL_NO_ENGINE
96 if ((bio_err
= BIO_new(BIO_s_file())) != NULL
)
97 BIO_set_fp(bio_err
, stderr
, BIO_NOCLOSE
|BIO_FP_TEXT
);
99 if (!load_config(bio_err
, NULL
))
104 while (!badopt
&& argv
[++i
] != NULL
)
106 if (strcmp(argv
[i
], "-out") == 0)
108 if ((argv
[i
+1] != NULL
) && (outfile
== NULL
))
113 #ifndef OPENSSL_NO_ENGINE
114 else if (strcmp(argv
[i
], "-engine") == 0)
116 if ((argv
[i
+1] != NULL
) && (engine
== NULL
))
122 else if (strcmp(argv
[i
], "-rand") == 0)
124 if ((argv
[i
+1] != NULL
) && (inrand
== NULL
))
129 else if (strcmp(argv
[i
], "-base64") == 0)
136 else if (isdigit((unsigned char)argv
[i
][0]))
140 r
= sscanf(argv
[i
], "%d", &num
);
141 if (r
== 0 || num
< 0)
156 BIO_printf(bio_err
, "Usage: rand [options] num\n");
157 BIO_printf(bio_err
, "where options are\n");
158 BIO_printf(bio_err
, "-out file - write to file\n");
159 #ifndef OPENSSL_NO_ENGINE
160 BIO_printf(bio_err
, "-engine e - use engine e, possibly a hardware device.\n");
162 BIO_printf(bio_err
, "-rand file%cfile%c... - seed PRNG from files\n", LIST_SEPARATOR_CHAR
, LIST_SEPARATOR_CHAR
);
163 BIO_printf(bio_err
, "-base64 - encode output\n");
167 #ifndef OPENSSL_NO_ENGINE
168 e
= setup_engine(bio_err
, engine
, 0);
171 app_RAND_load_file(NULL
, bio_err
, (inrand
!= NULL
));
173 BIO_printf(bio_err
,"%ld semi-random bytes loaded\n",
174 app_RAND_load_files(inrand
));
176 out
= BIO_new(BIO_s_file());
180 r
= BIO_write_filename(out
, outfile
);
183 r
= BIO_set_fp(out
, stdout
, BIO_NOCLOSE
| BIO_FP_TEXT
);
184 #ifdef OPENSSL_SYS_VMS
186 BIO
*tmpbio
= BIO_new(BIO_f_linebuffer());
187 out
= BIO_push(tmpbio
, out
);
196 BIO
*b64
= BIO_new(BIO_f_base64());
199 out
= BIO_push(b64
, out
);
204 unsigned char buf
[4096];
208 if (chunk
> (int)sizeof(buf
))
210 r
= RAND_bytes(buf
, chunk
);
213 BIO_write(out
, buf
, chunk
);
218 app_RAND_write_file(NULL
, bio_err
);
222 ERR_print_errors(bio_err
);