view nss/lib/freebl/poly1305/poly1305.h @ 0:1e5118fa0cb1

This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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/*
 * poly1305.h - header file for Poly1305 implementation.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef FREEBL_POLY1305_H_
#define FREEBL_POLY1305_H_

typedef unsigned char poly1305_state[512];

/* Poly1305Init 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 Poly1305Init(poly1305_state* state,
			 const unsigned char key[32]);

/* Poly1305Update processes |in_len| bytes from |in|. It can be called zero or
 * more times after poly1305_init. */
extern void Poly1305Update(poly1305_state* state,
			   const unsigned char *in,
			   size_t inLen);

/* Poly1305Finish completes the poly1305 calculation and writes a 16 byte
 * authentication tag to |mac|. */
extern void Poly1305Finish(poly1305_state* state,
			   unsigned char mac[16]);

#endif  /* FREEBL_POLY1305_H_ */
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