source: UsbWattMeter/trunk/wolfssl-3.7.0/wolfssl/wolfcrypt/hc128.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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File size: 1.6 KB
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1/* hc128.h
2 *
3 * Copyright (C) 2006-2015 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL. (formerly known as CyaSSL)
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22#ifndef WOLF_CRYPT_HC128_H
23#define WOLF_CRYPT_HC128_H
24
25#include <wolfssl/wolfcrypt/types.h>
26
27#ifndef NO_HC128
28
29#ifdef __cplusplus
30 extern "C" {
31#endif
32
33enum {
34 HC128_ENC_TYPE = 6 /* cipher unique type */
35};
36
37/* HC-128 stream cipher */
38typedef struct HC128 {
39 word32 T[1024]; /* P[i] = T[i]; Q[i] = T[1024 + i ]; */
40 word32 X[16];
41 word32 Y[16];
42 word32 counter1024; /* counter1024 = i mod 1024 at the ith step */
43 word32 key[8];
44 word32 iv[8];
45} HC128;
46
47
48WOLFSSL_API int wc_Hc128_Process(HC128*, byte*, const byte*, word32);
49WOLFSSL_API int wc_Hc128_SetKey(HC128*, const byte* key, const byte* iv);
50
51
52#ifdef __cplusplus
53 } /* extern "C" */
54#endif
55
56#endif /* HAVE_HC128 */
57#endif /* WOLF_CRYPT_HC128_H */
58
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