3 The arcfour/rc4 stream cipher.
5 Copyright (C) 2001, 2014 Niels Möller
7 This file is part of GNU Nettle.
9 GNU Nettle is free software: you can redistribute it and/or
10 modify it under the terms of either:
12 * the GNU Lesser General Public License as published by the Free
13 Software Foundation; either version 3 of the License, or (at your
14 option) any later version.
18 * the GNU General Public License as published by the Free
19 Software Foundation; either version 2 of the License, or (at your
20 option) any later version.
22 or both in parallel, as here.
24 GNU Nettle is distributed in the hope that it will be useful,
25 but WITHOUT ANY WARRANTY; without even the implied warranty of
26 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 General Public License for more details.
29 You should have received copies of the GNU General Public License and
30 the GNU Lesser General Public License along with this program. If
31 not, see http://www.gnu.org/licenses/.
34 #ifndef NETTLE_ARCFOUR_H_INCLUDED
35 #define NETTLE_ARCFOUR_H_INCLUDED
37 #include "nettle-types.h"
44 #define arcfour128_set_key nettle_arcfour128_set_key
45 #define arcfour_set_key nettle_arcfour_set_key
46 #define arcfour_crypt nettle_arcfour_crypt
48 /* Minimum and maximum keysizes, and a reasonable default. In
50 #define ARCFOUR_MIN_KEY_SIZE 1
51 #define ARCFOUR_MAX_KEY_SIZE 256
52 #define ARCFOUR_KEY_SIZE 16
53 #define ARCFOUR128_KEY_SIZE 16
63 arcfour_set_key(struct arcfour_ctx *ctx,
64 size_t length, const uint8_t *key);
67 arcfour128_set_key(struct arcfour_ctx *ctx, const uint8_t *key);
70 arcfour_crypt(struct arcfour_ctx *ctx,
71 size_t length, uint8_t *dst,
78 #endif /* NETTLE_ARCFOUR_H_INCLUDED */