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-rw-r--r--openssl/apps/prime.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/openssl/apps/prime.c b/openssl/apps/prime.c
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+++ b/openssl/apps/prime.c
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+/* ====================================================================
+ * 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.
+ *
+ */
+
+#include <string.h>
+
+#include "apps.h"
+#include <openssl/bn.h>
+
+
+#undef PROG
+#define PROG prime_main
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+ {
+ int hex=0;
+ int checks=20;
+ 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,"-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)
+ {
+ 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(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 ");
+
+ 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;
+ }