/usr/include/wolfssl/wolfcrypt/chacha.h is in libwolfssl-dev 3.4.8+dfsg-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | /* chacha.h
*
* Copyright (C) 2006-2015 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef WOLF_CRYPT_CHACHA_H
#define WOLF_CRYPT_CHACHA_H
#include <wolfssl/wolfcrypt/types.h>
#ifdef HAVE_CHACHA
#ifdef __cplusplus
extern "C" {
#endif
enum {
CHACHA_ENC_TYPE = 7 /* cipher unique type */
};
typedef struct ChaCha {
word32 X[16]; /* state of cipher */
} ChaCha;
/**
* IV(nonce) changes with each record
* counter is for what value the block counter should start ... usually 0
*/
WOLFSSL_API int wc_Chacha_SetIV(ChaCha* ctx, const byte* inIv, word32 counter);
WOLFSSL_API int wc_Chacha_Process(ChaCha* ctx, byte* cipher, const byte* plain,
word32 msglen);
WOLFSSL_API int wc_Chacha_SetKey(ChaCha* ctx, const byte* key, word32 keySz);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* HAVE_CHACHA */
#endif /* WOLF_CRYPT_CHACHA_H */
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