1 /* 2 * WPA Supplicant / shared MSCHAPV2 helper functions / RFC 2433 / RFC 2759 3 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef MS_FUNCS_H 16 #define MS_FUNCS_H 17 18 void generate_nt_response(const u8 *auth_challenge, const u8 *peer_challenge, 19 const u8 *username, size_t username_len, 20 const u8 *password, size_t password_len, 21 u8 *response); 22 void generate_nt_response_pwhash(const u8 *auth_challenge, 23 const u8 *peer_challenge, 24 const u8 *username, size_t username_len, 25 const u8 *password_hash, 26 u8 *response); 27 void generate_authenticator_response(const u8 *password, size_t password_len, 28 const u8 *peer_challenge, 29 const u8 *auth_challenge, 30 const u8 *username, size_t username_len, 31 const u8 *nt_response, u8 *response); 32 void generate_authenticator_response_pwhash( 33 const u8 *password_hash, 34 const u8 *peer_challenge, const u8 *auth_challenge, 35 const u8 *username, size_t username_len, 36 const u8 *nt_response, u8 *response); 37 void nt_challenge_response(const u8 *challenge, const u8 *password, 38 size_t password_len, u8 *response); 39 40 void challenge_response(const u8 *challenge, const u8 *password_hash, 41 u8 *response); 42 void nt_password_hash(const u8 *password, size_t password_len, 43 u8 *password_hash); 44 void hash_nt_password_hash(const u8 *password_hash, u8 *password_hash_hash); 45 void get_master_key(const u8 *password_hash_hash, const u8 *nt_response, 46 u8 *master_key); 47 void get_asymetric_start_key(const u8 *master_key, u8 *session_key, 48 size_t session_key_len, int is_send, 49 int is_server); 50 int __must_check encrypt_pw_block_with_password_hash( 51 const u8 *password, size_t password_len, 52 const u8 *password_hash, u8 *pw_block); 53 int __must_check new_password_encrypted_with_old_nt_password_hash( 54 const u8 *new_password, size_t new_password_len, 55 const u8 *old_password, size_t old_password_len, 56 u8 *encrypted_pw_block); 57 void nt_password_hash_encrypted_with_block(const u8 *password_hash, 58 const u8 *block, u8 *cypher); 59 void old_nt_password_hash_encrypted_with_new_nt_password_hash( 60 const u8 *new_password, size_t new_password_len, 61 const u8 *old_password, size_t old_password_len, 62 u8 *encrypted_password_hash); 63 64 #endif /* MS_FUNCS_H */ 65