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      1 /* $NetBSD: qfile.c,v 1.1 2006/01/24 18:59:23 elad Exp $ */
      2 
      3 /*-
      4  * Copyright 1994 Phil Karn <karn (at) qualcomm.com>
      5  * Copyright 1996-1998, 2003 William Allen Simpson <wsimpson (at) greendragon.com>
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * File I/O for qsafe and qsieve.
     31  *
     32  * 1996 May     William Allen Simpson extracted from earlier code by Phil Karn,
     33  * April 1994. save large primes list for later processing. 1998 May
     34  * William Allen Simpson parameterized. 2003 Jun     William Allen Simpson
     35  * move common file i/o to own file for better documentation.
     36  */
     37 
     38 #include <stdio.h>
     39 #include <stdlib.h>
     40 #include <time.h>
     41 #include <openssl/bn.h>
     42 #include "qfile.h"
     43 
     44 /*
     45  * print moduli out in consistent form,
     46  * normalizing error returns to printf-like expectations.
     47  */
     48 int
     49 qfileout(FILE * ofile, uint32_t otype, uint32_t otests, uint32_t otries,
     50 	 uint32_t osize, uint32_t ogenerator, BIGNUM * omodulus)
     51 {
     52 	struct tm      *gtm;
     53 	time_t          time_now;
     54 
     55 	time(&time_now);
     56 	gtm = gmtime(&time_now);
     57 
     58 	if (0 > fprintf(ofile,
     59 			"%04d%02d%02d%02d%02d%02d %u %u %u %u %x ",
     60 			gtm->tm_year + 1900,
     61 			gtm->tm_mon + 1,
     62 			gtm->tm_mday,
     63 			gtm->tm_hour,
     64 			gtm->tm_min,
     65 			gtm->tm_sec,
     66 			otype,
     67 			otests,
     68 			otries,
     69 			osize,
     70 			ogenerator)) {
     71 
     72 		return (-1);
     73 	}
     74 
     75 	if (1 > BN_print_fp(ofile, omodulus)) {
     76 		return (-1);
     77 	}
     78 
     79 	return (fprintf(ofile, "\n"));
     80 }
     81