You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.8 KiB
48 lines
1.8 KiB
6 years ago
|
/* Copyright (c) 2014, Google Inc.
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and/or 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 OPENSSL_HEADER_POLY1305_H
|
||
|
|
#define OPENSSL_HEADER_POLY1305_H
|
||
|
|
|
||
|
|
#include <openssl/base.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
typedef unsigned char poly1305_state[512];
|
||
|
|
|
||
|
|
/* poly1305_init sets up |state| so that it can be used to calculate an
|
||
|
|
* authentication tag with the one-time key |key|. Note that |key| is a
|
||
|
|
* one-time key and therefore there is no `reset' method because that would
|
||
|
|
* enable several messages to be authenticated with the same key. */
|
||
|
|
extern void CRYPTO_poly1305_init(poly1305_state* state, const uint8_t key[32]);
|
||
|
|
|
||
|
|
/* poly1305_update processes |in_len| bytes from |in|. It can be called zero or
|
||
|
|
* more times after poly1305_init. */
|
||
|
|
extern void CRYPTO_poly1305_update(poly1305_state* state, const uint8_t* in,
|
||
|
|
size_t in_len);
|
||
|
|
|
||
|
|
/* poly1305_finish completes the poly1305 calculation and writes a 16 byte
|
||
|
|
* authentication tag to |mac|. The |mac| address must be 16-byte aligned. */
|
||
|
|
extern void CRYPTO_poly1305_finish(poly1305_state* state, uint8_t mac[16]);
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
} /* extern C */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* OPENSSL_HEADER_POLY1305_H */
|