[164] | 1 | /* hc128.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 | #ifndef WOLF_CRYPT_HC128_H
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| 23 | #define WOLF_CRYPT_HC128_H
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| 24 |
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| 25 | #include <wolfssl/wolfcrypt/types.h>
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| 26 |
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| 27 | #ifndef NO_HC128
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| 28 |
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| 29 | #ifdef __cplusplus
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| 30 | extern "C" {
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| 31 | #endif
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| 32 |
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| 33 | enum {
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| 34 | HC128_ENC_TYPE = 6 /* cipher unique type */
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| 35 | };
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| 36 |
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| 37 | /* HC-128 stream cipher */
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| 38 | typedef struct HC128 {
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| 39 | word32 T[1024]; /* P[i] = T[i]; Q[i] = T[1024 + i ]; */
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| 40 | word32 X[16];
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| 41 | word32 Y[16];
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| 42 | word32 counter1024; /* counter1024 = i mod 1024 at the ith step */
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| 43 | word32 key[8];
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| 44 | word32 iv[8];
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| 45 | } HC128;
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| 46 |
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| 47 |
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| 48 | WOLFSSL_API int wc_Hc128_Process(HC128*, byte*, const byte*, word32);
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| 49 | WOLFSSL_API int wc_Hc128_SetKey(HC128*, const byte* key, const byte* iv);
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| 50 |
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| 51 |
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| 52 | #ifdef __cplusplus
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| 53 | } /* extern "C" */
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| 54 | #endif
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| 55 |
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| 56 | #endif /* HAVE_HC128 */
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| 57 | #endif /* WOLF_CRYPT_HC128_H */
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| 58 |
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