1 /* $OpenBSD: poly1305.h,v 1.4 2025/01/25 17:59:44 tb Exp $ */ 2 /* 3 * Copyright (c) 2014 Joel Sing <jsing@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #ifndef HEADER_POLY1305_H 19 #define HEADER_POLY1305_H 20 21 #include <openssl/opensslconf.h> 22 23 #include <stddef.h> 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 typedef struct poly1305_context { 30 size_t aligner; 31 unsigned char opaque[136]; 32 } poly1305_context; 33 34 typedef struct poly1305_context poly1305_state; 35 36 void CRYPTO_poly1305_init(poly1305_context *ctx, const unsigned char key[32]); 37 void CRYPTO_poly1305_update(poly1305_context *ctx, const unsigned char *in, 38 size_t len); 39 void CRYPTO_poly1305_finish(poly1305_context *ctx, unsigned char mac[16]); 40 41 #ifdef __cplusplus 42 } 43 #endif 44 45 #endif /* HEADER_POLY1305_H */ 46