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/* $OpenBSD: poly1305.h,v 1.3 2014/07/25 14:04:51 jsing Exp $ */
/*
* Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HEADER_POLY1305_H
#define HEADER_POLY1305_H
#include <openssl/opensslconf.h>
#if defined(OPENSSL_NO_POLY1305)
#error Poly1305 is disabled.
#endif
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct poly1305_context {
size_t aligner;
unsigned char opaque[136];
} poly1305_context;
typedef struct poly1305_context poly1305_state;
void CRYPTO_poly1305_init(poly1305_context *ctx, const unsigned char key[32]);
void CRYPTO_poly1305_update(poly1305_context *ctx, const unsigned char *in,
size_t len);
void CRYPTO_poly1305_finish(poly1305_context *ctx, unsigned char mac[16]);
#ifdef __cplusplus
}
#endif
#endif /* HEADER_POLY1305_H */
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