2019-10-25 00:26:17 +02:00
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/* hc128.h
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*
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2021-09-06 21:16:45 +02:00
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* Copyright (C) 2006-2021 wolfSSL Inc.
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2019-10-25 00:26:17 +02:00
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL 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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* wolfSSL 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 02110-1335, USA
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*/
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/*!
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\file wolfssl/wolfcrypt/hc128.h
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*/
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#ifndef WOLF_CRYPT_HC128_H
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#define WOLF_CRYPT_HC128_H
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2021-09-07 00:33:21 +02:00
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#include <libwolfssl/wolfcrypt/types.h>
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2019-10-25 00:26:17 +02:00
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#ifndef NO_HC128
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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 = WC_CIPHER_HC128, /* 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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#ifdef XSTREAM_ALIGN
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void* heap; /* heap hint, currently XMALLOC only used with aligning */
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#endif
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} HC128;
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WOLFSSL_API int wc_Hc128_Process(HC128*, byte*, const byte*, word32);
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WOLFSSL_API int wc_Hc128_SetKey(HC128*, const byte* key, const byte* iv);
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WOLFSSL_LOCAL int wc_Hc128_SetHeap(HC128* ctx, void* heap);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* HAVE_HC128 */
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#endif /* WOLF_CRYPT_HC128_H */
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