libssh  0.10.6
The SSH library
chacha20-poly1305-common.h
1 /*
2  * This file is part of the SSH Library
3  *
4  * Copyright (c) 2020 Red Hat, Inc.
5  *
6  * Author: Jakub Jelen <jjelen@redhat.com>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /*
24  * chacha20-poly1305.h file
25  * This file includes definitions needed for Chacha20-poly1305 AEAD cipher
26  * using different crypto backends.
27  */
28 
29 #ifndef CHACHA20_POLY1305_H
30 #define CHACHA20_POLY1305_H
31 
32 #define CHACHA20_BLOCKSIZE 64
33 #define CHACHA20_KEYLEN 32
34 
35 #define POLY1305_TAGLEN 16
36 /* size of the keys k1 and k2 as defined in specs */
37 #define POLY1305_KEYLEN 32
38 
39 #ifdef _MSC_VER
40 #pragma pack(push, 1)
41 #endif
43  uint32_t length;
44  uint8_t payload[];
45 }
46 #if defined(__GNUC__)
47 __attribute__ ((packed))
48 #endif
49 #ifdef _MSC_VER
50 #pragma pack(pop)
51 #endif
52 ;
53 
54 #endif /* CHACHA20_POLY1305_H */
Definition: chacha20-poly1305-common.h:42