-/* ====================================================================
- * 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 2004-2020 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (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>
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_HEX, OPT_GENERATE, OPT_BITS, OPT_SAFE, OPT_CHECKS,
+ OPT_PROV_ENUM
+} OPTION_CHOICE;
+
+const OPTIONS prime_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] [number...]\n"},
+
+ OPT_SECTION("General"),
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"bits", OPT_BITS, 'p', "Size of number in bits"},
+ {"checks", OPT_CHECKS, 'p', "Number of checks"},
+
+ OPT_SECTION("Output"),
+ {"hex", OPT_HEX, '-', "Hex output"},
+ {"generate", OPT_GENERATE, '-', "Generate a prime"},
+ {"safe", OPT_SAFE, '-',
+ "When used with -generate, generate a safe prime"},
+
+ OPT_PROV_OPTIONS,
+
+ OPT_PARAMETERS(),
+ {"number", 0, 0, "Number(s) to check for primality if not generating"},
+ {NULL}
+};
+
+int prime_main(int argc, char **argv)
+{
+ BIGNUM *bn = NULL;
+ int hex = 0, 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;
+ break;
+ case OPT_GENERATE:
+ generate = 1;
+ break;
+ case OPT_BITS:
+ bits = atoi(opt_arg());
+ break;
+ case OPT_SAFE:
+ safe = 1;
+ break;
+ case OPT_CHECKS:
+ /* ignore parameter and argument */
+ opt_arg();
+ break;
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
+ goto end;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+
+ if (generate) {
+ if (argc != 0) {
+ BIO_printf(bio_err, "Extra arguments given.\n");
+ goto opthelp;
+ }
+ } else if (argc == 0) {
+ BIO_printf(bio_err, "%s: No prime specified\n", prog);
+ goto opthelp;
+ }
-#undef PROG
-#define PROG prime_main
-
-int MAIN(int, char **);
-
-int 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"))
- hex=1;
- else if(!strcmp(*argv,"-generate"))
- generate=1;
- else if(!strcmp(*argv,"-bits"))
- if(--argc < 1)
- goto bad;
- else
- bits=atoi(*++argv);
- else if(!strcmp(*argv,"-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;
- }
- --argc;
- ++argv;
- }
-
- if (argv[0] == NULL && !generate)
- {
- BIO_printf(bio_err,"No prime specified\n");
- goto bad;
- }
-
- 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);
- }
-#endif
- }
-
- if(generate)
- {
- char *s;
-
- if(!bits)
- {
- BIO_printf(bio_err,"Specifiy the number of bits.\n");
- return 1;
- }
- bn=BN_new();
- BN_generate_prime_ex(bn,bits,safe,NULL,NULL,NULL);
- s=hex ? BN_bn2hex(bn) : BN_bn2dec(bn);
- BIO_printf(bio_out,"%s\n",s);
- OPENSSL_free(s);
- }
- else
- {
- if(hex)
- BN_hex2bn(&bn,argv[0]);
- else
- BN_dec2bn(&bn,argv[0]);
-
- BN_print(bio_out,bn);
- BIO_printf(bio_out," is %sprime\n",
- BN_is_prime_ex(bn,checks,NULL,NULL) ? "" : "not ");
- }
+ if (generate) {
+ char *s;
+
+ if (!bits) {
+ BIO_printf(bio_err, "Specify the number of bits.\n");
+ goto end;
+ }
+ bn = BN_new();
+ 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 {
+ for ( ; *argv; argv++) {
+ int r;
+
+ 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_check_prime(bn, 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;
+}