61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/* hc128.h
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*
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* Copyright (C) 2006-2014 wolfSSL Inc.
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*
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* This file is part of CyaSSL.
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*
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* CyaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef NO_HC128
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#ifndef CTAO_CRYPT_HC128_H
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#define CTAO_CRYPT_HC128_H
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#include <cyassl/ctaocrypt/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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HC128_ENC_TYPE = 6 /* cipher unique type */
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};
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/* HC-128 stream cipher */
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typedef struct HC128 {
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word32 T[1024]; /* P[i] = T[i]; Q[i] = T[1024 + i ]; */
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word32 X[16];
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word32 Y[16];
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word32 counter1024; /* counter1024 = i mod 1024 at the ith step */
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word32 key[8];
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word32 iv[8];
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} HC128;
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CYASSL_API int Hc128_Process(HC128*, byte*, const byte*, word32);
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CYASSL_API int Hc128_SetKey(HC128*, const byte* key, const byte* iv);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* CTAO_CRYPT_HC128_H */
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#endif /* HAVE_HC128 */
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