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/* HexChat
* Copyright (C) 2023 Patrick Okraku
*
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef HEXCHAT_SCRAM_H
#define HEXCHAT_SCRAM_H
#include "config.h"
#ifdef USE_OPENSSL
#include <openssl/evp.h>
typedef struct
{
const EVP_MD *digest;
size_t digest_size;
char *username;
char *password;
char *client_nonce_b64;
char *client_first_message_bare;
unsigned char *salted_password;
char *auth_message;
char *error;
int step;
} scram_session;
typedef enum
{
SCRAM_ERROR = 0,
SCRAM_IN_PROGRESS,
SCRAM_SUCCESS
} scram_status;
scram_session *scram_session_create (const char *digset, const char *username, const char *password);
void scram_session_free (scram_session *session);
scram_status scram_process (scram_session *session, const char *input, char **output, size_t *output_len);
#endif
#endif
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