mechtools.h

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/* mechtools.h --- Helper functions available for use by any mechanism.
 * Copyright (C) 2010-2024 Simon Josefsson
 *
 * This file is part of GNU SASL Library.
 *
 * GNU SASL 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.
 *
 * GNU SASL 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 GNU SASL Library; if not, write to the Free
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */
 
#ifndef MECHTOOLS_H
# define MECHTOOLS_H
 
/* Get size_t. */
# include <stddef.h>
 
/* Get bool. */
# include <stdbool.h>
 
# include <gsasl.h>
 
extern int _gsasl_parse_gs2_header (const char *data, size_t len,
                                    char **authzid, size_t *headerlen);
 
extern int _gsasl_gs2_generate_header (bool nonstd, char cbflag,
                                       const char *cbname,
                                       const char *authzid, size_t extralen,
                                       const char *extra, char **gs2h,
                                       size_t *gs2hlen);
 
extern void _gsasl_hex_encode (const char *in, size_t inlen, char *out);
extern void _gsasl_hex_decode (const char *hexstr, char *bin);
extern bool _gsasl_hex_p (const char *hexstr);
 
extern int _gsasl_hash (Gsasl_hash hash,
                        const char *in, size_t inlen, char *out);
extern int _gsasl_hmac (Gsasl_hash hash,
                        const char *key, size_t keylen,
                        const char *in, size_t inlen, char *outhash);
 
extern int _gsasl_pbkdf2 (Gsasl_hash hash,
                          const char *password,
                          size_t passwordlen,
                          const char *salt,
                          size_t saltlen,
                          unsigned int c, char *dk, size_t dklen);
 
#endif