crypto/include/internal/poly1305.h

   1 /*
   2  * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stddef.h>
  11
  12 #define POLY1305_BLOCK_SIZE  16
  13 #define POLY1305_DIGEST_SIZE 16
  14 #define POLY1305_KEY_SIZE    32
  15
  16 typedef struct poly1305_context POLY1305;
  17
  18 size_t Poly1305_ctx_size(void);
  19 void Poly1305_Init(POLY1305 *ctx, const unsigned char key[32]);
  20 void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len);
  21 void Poly1305_Final(POLY1305 *ctx, unsigned char mac[16]);