~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems

 *

 *  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; version 2 of the License.

 *

 *  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 LIBDRIZZLECLIENT_PASSWORD_H

#define LIBDRIZZLECLIENT_PASSWORD_H

#include <stdint.h>

/*

 * These functions are used for authentication by client and server.

 */

#ifdef __cplusplus

extern "C" {

#endif

  struct rand_struct {

    uint64_t seed1,seed2,max_value;

    double max_value_dbl;

  };

  void drizzleclient_randominit(struct rand_struct *, uint64_t seed1,

                                uint64_t seed2);

  double drizzleclient_my_rnd(struct rand_struct *);

  void drizzleclient_create_random_string(char *to, unsigned int length,

                            struct rand_struct *rand_st);

  void drizzleclient_hash_password(uint32_t *to, const char *password,

                     uint32_t password_len);

  void make_scrambled_password(char *to, const char *password);

  void scramble(char *to, const char *message, const char *password);

  bool check_scramble(const char *reply, const char *message,

                      const unsigned char *hash_stage2);

  void get_salt_from_password(unsigned char *res, const char *password);

  void make_password_from_salt(char *to, const unsigned char *hash_stage2);

  char *drizzleclient_drizzleclient_octet2hex(char *to, const char *str, unsigned int len);

#ifdef __cplusplus

}

#endif

#endif /* LIBDRIZZLECLIENT_PASSWORD_H */