-/* ====================================================================
- * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
+/*
+ * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <string.h>
#include "apps.h"
+#include "progs.h"
#include <openssl/bn.h>
-#undef PROG
-#define PROG prime_main
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_HEX, OPT_GENERATE, OPT_BITS, OPT_SAFE, OPT_CHECKS
+} OPTION_CHOICE;
+
+const OPTIONS prime_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] [number...]\n"},
+ {OPT_HELP_STR, 1, '-',
+ " number Number to check for primality\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"hex", OPT_HEX, '-', "Hex output"},
+ {"generate", OPT_GENERATE, '-', "Generate a prime"},
+ {"bits", OPT_BITS, 'p', "Size of number in bits"},
+ {"safe", OPT_SAFE, '-',
+ "When used with -generate, generate a safe prime"},
+ {"checks", OPT_CHECKS, 'p', "Number of checks"},
+ {NULL}
+};
+
+int prime_main(int argc, char **argv)
{
- int hex = 0;
- int checks = 20;
- int generate = 0;
- int bits = 0;
- int safe = 0;
BIGNUM *bn = NULL;
- BIO *bio_out;
-
- apps_startup();
-
- if (bio_err == NULL)
- if ((bio_err = BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
-
- --argc;
- ++argv;
- while (argc >= 1 && **argv == '-') {
- if (!strcmp(*argv, "-hex"))
+ int hex = 0, checks = 20, generate = 0, bits = 0, safe = 0, ret = 1;
+ char *prog;
+ OPTION_CHOICE o;
+
+ prog = opt_init(argc, argv, prime_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(prime_options);
+ ret = 0;
+ goto end;
+ case OPT_HEX:
hex = 1;
- else if (!strcmp(*argv, "-generate"))
+ break;
+ case OPT_GENERATE:
generate = 1;
- else if (!strcmp(*argv, "-bits"))
- if (--argc < 1)
- goto bad;
- else
- bits = atoi(*++argv);
- else if (!strcmp(*argv, "-safe"))
+ break;
+ case OPT_BITS:
+ bits = atoi(opt_arg());
+ break;
+ case OPT_SAFE:
safe = 1;
- else if (!strcmp(*argv, "-checks"))
- if (--argc < 1)
- goto bad;
- else
- checks = atoi(*++argv);
- else {
- BIO_printf(bio_err, "Unknown option '%s'\n", *argv);
- goto bad;
+ break;
+ case OPT_CHECKS:
+ checks = atoi(opt_arg());
+ break;
}
- --argc;
- ++argv;
- }
-
- if (argv[0] == NULL && !generate) {
- BIO_printf(bio_err, "No prime specified\n");
- goto bad;
}
+ argc = opt_num_rest();
+ argv = opt_rest();
- if ((bio_out = BIO_new(BIO_s_file())) != NULL) {
- BIO_set_fp(bio_out, stdout, BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- bio_out = BIO_push(tmpbio, bio_out);
+ if (generate) {
+ if (argc != 0) {
+ BIO_printf(bio_err, "Extra arguments given.\n");
+ goto opthelp;
}
-#endif
+ } else if (argc == 0) {
+ BIO_printf(bio_err, "%s: No prime specified\n", prog);
+ goto opthelp;
}
if (generate) {
char *s;
if (!bits) {
- BIO_printf(bio_err, "Specifiy the number of bits.\n");
- return 1;
+ BIO_printf(bio_err, "Specify the number of bits.\n");
+ goto end;
}
bn = BN_new();
- BN_generate_prime_ex(bn, bits, safe, NULL, NULL, NULL);
+ if (bn == NULL) {
+ BIO_printf(bio_err, "Out of memory.\n");
+ goto end;
+ }
+ if (!BN_generate_prime_ex(bn, bits, safe, NULL, NULL, NULL)) {
+ BIO_printf(bio_err, "Failed to generate prime.\n");
+ goto end;
+ }
s = hex ? BN_bn2hex(bn) : BN_bn2dec(bn);
+ if (s == NULL) {
+ BIO_printf(bio_err, "Out of memory.\n");
+ goto end;
+ }
BIO_printf(bio_out, "%s\n", s);
OPENSSL_free(s);
} else {
- if (hex)
- BN_hex2bn(&bn, argv[0]);
- else
- BN_dec2bn(&bn, argv[0]);
+ for ( ; *argv; argv++) {
+ int r;
- BN_print(bio_out, bn);
- BIO_printf(bio_out, " is %sprime\n",
- BN_is_prime_ex(bn, checks, NULL, NULL) ? "" : "not ");
+ if (hex)
+ r = BN_hex2bn(&bn, argv[0]);
+ else
+ r = BN_dec2bn(&bn, argv[0]);
+
+ if (!r) {
+ BIO_printf(bio_err, "Failed to process value (%s)\n", argv[0]);
+ goto end;
+ }
+
+ BN_print(bio_out, bn);
+ BIO_printf(bio_out, " (%s) %s prime\n",
+ argv[0],
+ BN_is_prime_ex(bn, checks, NULL, NULL)
+ ? "is" : "is not");
+ }
}
+ ret = 0;
+ end:
BN_free(bn);
- BIO_free_all(bio_out);
-
- return 0;
-
- bad:
- BIO_printf(bio_err, "options are\n");
- BIO_printf(bio_err, "%-14s hex\n", "-hex");
- BIO_printf(bio_err, "%-14s number of checks\n", "-checks <n>");
- return 1;
+ return ret;
}
projects / openssl.git / blobdiff