/*
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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 software may be distributed under the terms of the BSD license.
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* See README 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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int challenge_response(const u8 *challenge, const u8 *password_hash,
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u8 *response);
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int challenge_hash(const u8 *peer_challenge, const u8 *auth_challenge,
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const u8 *username, size_t username_len, u8 *challenge);
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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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int 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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