source: openpam/trunk/modules/pam_oath/oath.h @ 623

Last change on this file since 623 was 623, checked in by Dag-Erling Smørgrav, 8 years ago

WIP: OATH module

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.2 KB
Line 
1/*-
2 * Copyright (c) 2012-2013 Universitetet i Oslo
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote
14 *    products derived from this software without specific prior written
15 *    permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $Id: oath.h 623 2013-02-25 07:24:51Z des $
30 */
31
32#ifndef OATH_H_INCLUDED
33#define OATH_H_INCLUDED
34
35#define base32_enclen(l) (((l + 4) / 5) * 8)
36#define base32_declen(l) (((l + 7) / 8) * 5)
37int base32_enc(const uint8_t *, size_t, char *, size_t *);
38int base32_dec(const char *, size_t, uint8_t *, size_t *);
39
40#define base64_enclen(l) (((l + 2) / 3) * 4)
41#define base64_declen(l) (((l + 3) / 4) * 3)
42int base64_enc(const uint8_t *, size_t, char *, size_t *);
43int base64_dec(const char *, size_t, uint8_t *, size_t *);
44
45enum oath_alg { undef, hotp, totp };
46
47struct oath {
48        enum oath_alg    alg;
49        unsigned int     seq;
50        size_t           keylen;
51        uint8_t          key[];
52};
53
54unsigned int oath_hotp(const uint8_t *, size_t, uint64_t, unsigned int);
55unsigned int oath_totp(const uint8_t *, size_t, unsigned int);
56
57#endif
Note: See TracBrowser for help on using the repository browser.