libpcp  0.2.4
mac.h
1 /*
2  This file is part of Pretty Curved Privacy (pcp1).
3 
4  Copyright (C) 2013 T.Linden.
5 
6  This program is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  This program is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with this program. If not, see <http://www.gnu.org/licenses/>.
18 
19  You can contact me by mail: <tlinden AT cpan DOT org>.
20 */
21 
22 
23 #ifndef _HAVE_PCP_MAC
24 #define _HAVE_PCP_MAC
25 
30 #include <strings.h>
31 #include <stdlib.h>
32 #include <errno.h>
33 #include <sodium.h>
34 #include "defines.h"
35 #include "pad.h"
36 #include "mem.h"
37 
38 
39 /* how many times do we hash the passphrase */
40 #define HCYCLES 128000
41 
59 size_t pcp_sodium_mac(byte **cipher,
60  byte *cleartext,
61  size_t clearsize,
62  byte *nonce,
63  byte *key);
64 
83 int pcp_sodium_verify_mac(byte **cleartext,
84  byte* message,
85  size_t messagesize,
86  byte *nonce,
87  byte *key);
88 
89 
90 
91 
92 #endif /* _HAVE_PCP_MAC */
93