eap_pax_common.c File Reference

WPA Supplicant / EAP-PAX shared routines. More...

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "common.h"
#include "sha1.h"
#include "eap_pax_common.h"

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Functions
int	eap_pax_kdf (u8 mac_id, const u8 *key, size_t key_len, const char *identifier, const u8 *entropy, size_t entropy_len, size_t output_len, u8 *output)
	PAX Key Derivation Function.
int	eap_pax_mac (u8 mac_id, const u8 *key, size_t key_len, const u8 *data1, size_t data1_len, const u8 *data2, size_t data2_len, const u8 *data3, size_t data3_len, u8 *mac)
	EAP-PAX MAC.
int	eap_pax_initial_key_derivation (u8 mac_id, const u8 *ak, const u8 *e, u8 *mk, u8 *ck, u8 *ick)
	EAP-PAX initial key derivation.

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Detailed Description

WPA Supplicant / EAP-PAX shared routines.

Copyright

Copyright (c) 2005, Jouni Malinen <[email protected]>

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

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

See README and COPYING for more details.

Definition in file eap_pax_common.c.

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Function Documentation

int eap_pax_initial_key_derivation (  u8  mac_id, const u8 *  ak, const u8 *  e, u8 *  mk, u8 *  ck, u8 *  ick )

EAP-PAX initial key derivation. Parameters: mac_id  MAC ID (EAP_PAX_MAC_*) / currently, only HMAC_SHA1_128 is supported ak  Authentication Key e  Entropy mk  Buffer for the derived Master Key ck  Buffer for the derived Confirmation Key ick  Buffer for the derived Integrity Check Key Returns: 0 on success, -1 on failure Definition at line 138 of file eap_pax_common.c. Here is the call graph for this function:

int eap_pax_kdf (  u8  mac_id, const u8 *  key, size_t  key_len, const char *  identifier, const u8 *  entropy, size_t  entropy_len, size_t  output_len, u8 *  output )

PAX Key Derivation Function. Parameters: mac_id  MAC ID (EAP_PAX_MAC_*) / currently, only HMAC_SHA1_128 is supported key  Secret key (X) key_len  Length of the secret key in bytes identifier  Public identifier for the key (Y) entropy  Exchanged entropy to seed the KDF (Z) entropy_len  Length of the entropy in bytes output_len  Output len in bytes (W) output  Buffer for the derived key Returns: 0 on success, -1 failed draft-clancy-eap-pax-04.txt, chap. 2.5: PAX-KDF-W(X, Y, Z) Definition at line 40 of file eap_pax_common.c. Here is the call graph for this function:

int eap_pax_mac (  u8  mac_id, const u8 *  key, size_t  key_len, const u8 *  data1, size_t  data1_len, const u8 *  data2, size_t  data2_len, const u8 *  data3, size_t  data3_len, u8 *  mac )

EAP-PAX MAC. Parameters: mac_id  MAC ID (EAP_PAX_MAC_*) / currently, only HMAC_SHA1_128 is supported key  Secret key key_len  Length of the secret key in bytes data1  Optional data, first block; NULL if not used data1_len  Length of data1 in bytes data2  Optional data, second block; NULL if not used data2_len  Length of data2 in bytes data3  Optional data, third block; NULL if not used data3_len  Length of data3 in bytes mac  Buffer for the MAC value (EAP_PAX_MAC_LEN = 16 bytes) Returns: 0 on success, -1 on failure Wrapper function to calculate EAP-PAX MAC. Definition at line 97 of file eap_pax_common.c. Here is the call graph for this function:

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