1189251Ssam/* 2189251Ssam * WPA Supplicant / shared MSCHAPV2 helper functions / RFC 2433 / RFC 2759 3214734Srpaulo * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam */ 8189251Ssam 9189251Ssam#ifndef MS_FUNCS_H 10189251Ssam#define MS_FUNCS_H 11189251Ssam 12214734Srpauloint generate_nt_response(const u8 *auth_challenge, const u8 *peer_challenge, 13214734Srpaulo const u8 *username, size_t username_len, 14214734Srpaulo const u8 *password, size_t password_len, 15214734Srpaulo u8 *response); 16214734Srpauloint generate_nt_response_pwhash(const u8 *auth_challenge, 17214734Srpaulo const u8 *peer_challenge, 18214734Srpaulo const u8 *username, size_t username_len, 19214734Srpaulo const u8 *password_hash, 20214734Srpaulo u8 *response); 21214734Srpauloint generate_authenticator_response(const u8 *password, size_t password_len, 22214734Srpaulo const u8 *peer_challenge, 23214734Srpaulo const u8 *auth_challenge, 24214734Srpaulo const u8 *username, size_t username_len, 25214734Srpaulo const u8 *nt_response, u8 *response); 26214734Srpauloint generate_authenticator_response_pwhash( 27189251Ssam const u8 *password_hash, 28189251Ssam const u8 *peer_challenge, const u8 *auth_challenge, 29189251Ssam const u8 *username, size_t username_len, 30189251Ssam const u8 *nt_response, u8 *response); 31214734Srpauloint nt_challenge_response(const u8 *challenge, const u8 *password, 32214734Srpaulo size_t password_len, u8 *response); 33189251Ssam 34189251Ssamvoid challenge_response(const u8 *challenge, const u8 *password_hash, 35189251Ssam u8 *response); 36214734Srpauloint nt_password_hash(const u8 *password, size_t password_len, 37214734Srpaulo u8 *password_hash); 38214734Srpauloint hash_nt_password_hash(const u8 *password_hash, u8 *password_hash_hash); 39214734Srpauloint get_master_key(const u8 *password_hash_hash, const u8 *nt_response, 40214734Srpaulo u8 *master_key); 41214734Srpauloint get_asymetric_start_key(const u8 *master_key, u8 *session_key, 42214734Srpaulo size_t session_key_len, int is_send, 43214734Srpaulo int is_server); 44189251Ssamint __must_check encrypt_pw_block_with_password_hash( 45189251Ssam const u8 *password, size_t password_len, 46189251Ssam const u8 *password_hash, u8 *pw_block); 47189251Ssamint __must_check new_password_encrypted_with_old_nt_password_hash( 48189251Ssam const u8 *new_password, size_t new_password_len, 49189251Ssam const u8 *old_password, size_t old_password_len, 50189251Ssam u8 *encrypted_pw_block); 51189251Ssamvoid nt_password_hash_encrypted_with_block(const u8 *password_hash, 52189251Ssam const u8 *block, u8 *cypher); 53214734Srpauloint old_nt_password_hash_encrypted_with_new_nt_password_hash( 54189251Ssam const u8 *new_password, size_t new_password_len, 55189251Ssam const u8 *old_password, size_t old_password_len, 56189251Ssam u8 *encrypted_password_hash); 57189251Ssam 58189251Ssam#endif /* MS_FUNCS_H */ 59