freebsd-dev/sys/crypto/chacha20_poly1305.h
John Baldwin 89e0ee0db4 chacha20_poly1305: Use the correct license disclaimer.
Reviewed by:	emaste
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D33976
2022-01-20 14:36:48 -08:00

55 lines
2.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2021 The FreeBSD Foundation
*
* This software was developed by Ararat River Consulting, LLC under
* sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __CRYPTO_CHACHA20_POLY1305_H__
#define __CRYPTO_CHACHA20_POLY1305_H__
#include <sys/types.h>
/* The Poly1305 tag is appended to the cipher text. */
void chacha20_poly1305_encrypt(uint8_t *dst, const uint8_t *src,
const size_t src_len, const uint8_t *aad, const size_t aad_len,
const uint8_t *nonce, const size_t nonce_len, const uint8_t *key);
bool chacha20_poly1305_decrypt(uint8_t *dst, const uint8_t *src,
const size_t src_len, const uint8_t *aad, const size_t aad_len,
const uint8_t *nonce, const size_t nonce_len, const uint8_t *key);
void xchacha20_poly1305_encrypt(uint8_t *dst, const uint8_t *src,
const size_t src_len, const uint8_t *aad, const size_t aad_len,
const uint8_t *nonce, const uint8_t *key);
bool xchacha20_poly1305_decrypt(uint8_t *dst, const uint8_t *src,
const size_t src_len, const uint8_t *aad, const size_t aad_len,
const uint8_t *nonce, const uint8_t *key);
#endif /* !__CRYPTO_CHACHA20_POLY1305_H__ */