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libeap/src/crypto/ms_funcs.h

 

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/*

 

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 * WPA Supplicant / shared MSCHAPV2 helper functions / RFC 2433 / RFC 2759

 

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 * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>

 

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 *

 

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 * This program is free software; you can redistribute it and/or modify

 

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 * it under the terms of the GNU General Public License version 2 as

 

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 * published by the Free Software Foundation.

 

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 *

 

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 * Alternatively, this software may be distributed under the terms of BSD

 

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 * license.

 

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 *

 

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 * See README and COPYING for more details.

 

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 */

 

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#ifndef MS_FUNCS_H

 

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#define MS_FUNCS_H

 

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int generate_nt_response(const u8 *auth_challenge, const u8 *peer_challenge,

 

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                         const u8 *username, size_t username_len,

 

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                         const u8 *password, size_t password_len,

 

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                         u8 *response);

 

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int generate_nt_response_pwhash(const u8 *auth_challenge,

 

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                                const u8 *peer_challenge,

 

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                                const u8 *username, size_t username_len,

 

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                                const u8 *password_hash,

 

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                                u8 *response);

 

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int generate_authenticator_response(const u8 *password, size_t password_len,

 

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                                    const u8 *peer_challenge,

 

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                                    const u8 *auth_challenge,

 

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                                    const u8 *username, size_t username_len,

 

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                                    const u8 *nt_response, u8 *response);

 

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int generate_authenticator_response_pwhash(

 

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        const u8 *password_hash,

 

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        const u8 *peer_challenge, const u8 *auth_challenge,

 

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        const u8 *username, size_t username_len,

 

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        const u8 *nt_response, u8 *response);

 

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int nt_challenge_response(const u8 *challenge, const u8 *password,

 

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                          size_t password_len, u8 *response);

 

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void challenge_response(const u8 *challenge, const u8 *password_hash,

 

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                        u8 *response);

 

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int nt_password_hash(const u8 *password, size_t password_len,

 

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                     u8 *password_hash);

 

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int hash_nt_password_hash(const u8 *password_hash, u8 *password_hash_hash);

 

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int get_master_key(const u8 *password_hash_hash, const u8 *nt_response,

 

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                   u8 *master_key);

 

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int get_asymetric_start_key(const u8 *master_key, u8 *session_key,

 

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                            size_t session_key_len, int is_send,

 

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                            int is_server);

 

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int __must_check encrypt_pw_block_with_password_hash(

 

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        const u8 *password, size_t password_len,

 

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        const u8 *password_hash, u8 *pw_block);

 

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int __must_check new_password_encrypted_with_old_nt_password_hash(

 

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        const u8 *new_password, size_t new_password_len,

 

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        const u8 *old_password, size_t old_password_len,

 

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        u8 *encrypted_pw_block);

 

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void nt_password_hash_encrypted_with_block(const u8 *password_hash,

 

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                                           const u8 *block, u8 *cypher);

 

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int old_nt_password_hash_encrypted_with_new_nt_password_hash(

 

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        const u8 *new_password, size_t new_password_len,

 

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        const u8 *old_password, size_t old_password_len,

 

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        u8 *encrypted_password_hash);

 

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#endif /* MS_FUNCS_H */

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