Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#ifndef ZABBIX_ZBXCRYPTO_H

#define ZABBIX_ZBXCRYPTO_H

​

#include "zbxtypes.h"

#include "zbxhash.h"

​

int zbx_hex2bin(const unsigned char *p_hex, unsigned char *buf, int buf_len);

int zbx_bin2hex(const unsigned char *bin, size_t bin_len, char *out, size_t out_len);

​

#define ZBX_SESSION_TOKEN_SIZE  (ZBX_MD5_DIGEST_SIZE * 2)

​

char    *zbx_create_token(zbx_uint64_t seed);

char    *zbx_gen_uuid4(const char *seed);

​

typedef enum

{

    ZBX_HASH_MD5,

    ZBX_HASH_SHA256

}

zbx_crypto_hash_t;

​

int zbx_hmac(zbx_crypto_hash_t hash_type, const char *key, size_t key_len, const char *text, size_t text_len,

        char **out);

​

​

#if defined(HAVE_OPENSSL) || defined(HAVE_GNUTLS)

void    zbx_normalize_pem(char **key, size_t *key_len);

int zbx_rs256_sign(char *key, size_t key_len, char *data, size_t data_len, unsigned char **output,

        size_t *output_len, char **error);

#endif

void    zbx_base64_encode(const char *p_str, char *p_b64str, int in_size);

void    zbx_base64_encode_dyn(const char *p_str, char **p_b64str, int in_size);

void    zbx_base64_decode(const char *p_b64str, char *p_str, int maxsize, int *p_out_size);

​

#endif /* ZABBIX_ZBXCRYPTO_H */