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/**
* libsha2 – SHA-2-family hashing library
*
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSHA2_DIGEST_H
#define LIBSHA2_DIGEST_H 1
#include "state.h"
/**
* Absorb more of the message
*
* @param state The hashing state
* @param message The message
* @param msglen The length of the message
*/
__attribute__((nonnull, nothrow))
void libsha2_update(libsha2_state_t* restrict state, const char* restrict message, size_t msglen);
/**
* Absorb the last part of the message and output a hash
*
* @param state The hashing state
* @param message The message
* @param msglen The length of the message, zero if there is nothing more to absorb
* @param output The output buffer for the hash
*/
__attribute__((nonnull(1, 4), nothrow))
void libsha2_digest(libsha2_state_t* restrict state, const char* restrict message, size_t msglen, char* output);
#endif
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