3 Copyright (C) 2018 Niels Möller
5 This file is part of GNU Nettle.
7 GNU Nettle is free software: you can redistribute it and/or
8 modify it under the terms of either:
10 * the GNU Lesser General Public License as published by the Free
11 Software Foundation; either version 3 of the License, or (at your
12 option) any later version.
16 * the GNU General Public License as published by the Free
17 Software Foundation; either version 2 of the License, or (at your
18 option) any later version.
20 or both in parallel, as here.
22 GNU Nettle is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 General Public License for more details.
27 You should have received copies of the GNU General Public License and
28 the GNU Lesser General Public License along with this program. If
29 not, see http://www.gnu.org/licenses/.
32 #ifndef NETTLE_CTR_INTERNAL_H_INCLUDED
33 #define NETTLE_CTR_INTERNAL_H_INCLUDED
35 #include "nettle-types.h"
38 #define _ctr_crypt16 _nettle_ctr_crypt16
40 /* Size limit for temporary stack buffers. */
41 #define CTR_BUFFER_LIMIT 512
43 /* Fill BUFFER (n blocks) with incrementing CTR values. It would be
44 nice if CTR was always 64-bit aligned, but it isn't when called
47 nettle_fill16_func(uint8_t *ctr, size_t n, union nettle_block16 *buffer);
50 _ctr_crypt16(const void *ctx, nettle_cipher_func *f,
51 nettle_fill16_func *fill, uint8_t *ctr,
52 size_t length, uint8_t *dst,
56 #endif /* NETTLE_CTR_INTERNAL_H_INCLUDED */