3 * $Id: servutil.c,v 1.4 2004/04/03 12:35:13 mdw Exp $
5 * Various handy server-only utilities
7 * (c) 2001 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Trivial IP Encryption (TrIPE).
14 * TrIPE is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * TrIPE is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with TrIPE; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Revision history --------------------------------------------------*
31 * $Log: servutil.c,v $
32 * Revision 1.4 2004/04/03 12:35:13 mdw
33 * Support elliptic curve key exchange.
35 * Revision 1.3 2001/06/19 22:08:11 mdw
36 * Use magic number for packet size.
38 * Revision 1.2 2001/02/16 21:41:06 mdw
39 * Use new spare buffer for building MP textual representations. Add a
40 * function for making human-readable time strings.
42 * Revision 1.1 2001/02/03 20:26:37 mdw
47 /*----- Header files ------------------------------------------------------*/
51 /*----- Global variables --------------------------------------------------*/
53 octet buf_i[PKBUFSZ], buf_o[PKBUFSZ], buf_t[PKBUFSZ];
55 /*----- Main code ---------------------------------------------------------*/
59 * Arguments: @mp *m@ = a multiprecision integer
61 * Returns: A pointer to the integer's textual representation.
63 * Use: Converts a multiprecision integer to a string. Corrupts
67 const char *mpstr(mp *m)
69 if (mp_writestring(m, (char *)buf_t, sizeof(buf_t), 10))
71 return ((const char *)buf_t);
76 * Arguments: @group *g@ = a group
77 * @ge *x@ = a group element
79 * Returns: A pointer to the element's textual representation.
81 * Use: Converts a group element to a string. Corrupts
85 const char *gestr(group *g, ge *x)
87 if (group_writestring(g, x, (char *)buf_t, sizeof(buf_t)))
89 return ((const char *)buf_t);
92 /* --- @timestr@ --- *
94 * Arguments: @time_t t@ = a time to convert
96 * Returns: A pointer to a textual representation of the time.
98 * Use: Converts a time to a textual representation. Corrupts
102 const char *timestr(time_t t)
108 strftime((char *)buf_t, sizeof(buf_t), "%Y-%m-%dT%H:%M:%S", tm);
109 return ((const char *)buf_t);
112 /*----- That's all, folks -------------------------------------------------*/