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/*
* ssh_mac.h: the MAC algorithms used in SSH
* Copyright (C) 2018 Iru Cai <mytbk920423@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SSH_MAC_H
#define SSH_MAC_H
#include <stdlib.h>
#include <stdint.h>
#include <openssl/evp.h>
#define MAX_DGSTLEN 128
#ifdef __cplusplus
extern "C" {
#endif
typedef struct ssh_mac_t SSH_MAC;
typedef SSH_MAC* (*create_t)(const SSH_MAC*);
typedef void (*mac_cleanup_t)(SSH_MAC*);
typedef void (*mac_t)(SSH_MAC*, const unsigned char*, int, unsigned char*);
struct ssh_mac_t
{
const char *name;
void *priv;
create_t new_mac;
mac_cleanup_t cleanup;
mac_t getmac;
unsigned char key[32];
size_t dgstSize;
size_t keySize;
};
const struct ssh_mac_t *search_mac(const char *s);
extern const char all_macs_list[];
#ifdef __cplusplus
}
#endif
#endif
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