lc_poly1305.h

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/*
 * Copyright (C) 2025, Stephan Mueller <smueller@chronox.de>
 *
 * License: see LICENSE file in root directory
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
 * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR 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 NOT ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
/*
 * This file is derived from
 * https://github.com/floodyberry/poly1305-donna marked as "PUBLIC DOMAIN"
 */
 
#ifndef LC_POLY1305_H
#define LC_POLY1305_H
 
#include "ext_headers.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct lc_poly1305_context {
        size_t aligner;
        uint8_t opaque[136];
};
 
#define LC_POLY1305_STATE_SIZE (sizeof(struct lc_poly1305_context))
#define LC_POLY1305_TAGSIZE (16)
#define LC_POLY1305_KEYSIZE (32)
 
#ifdef __cplusplus
}
#endif
 
#endif /* LC_POLY1305_H */