1189251Ssam/* 2189251Ssam * EAP server/peer: EAP-GPSK shared routines 3189251Ssam * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi> 4189251Ssam * 5189251Ssam * This program is free software; you can redistribute it and/or modify 6189251Ssam * it under the terms of the GNU General Public License version 2 as 7189251Ssam * published by the Free Software Foundation. 8189251Ssam * 9189251Ssam * Alternatively, this software may be distributed under the terms of BSD 10189251Ssam * license. 11189251Ssam * 12189251Ssam * See README and COPYING for more details. 13189251Ssam */ 14189251Ssam 15189251Ssam#ifndef EAP_GPSK_COMMON_H 16189251Ssam#define EAP_GPSK_COMMON_H 17189251Ssam 18189251Ssam#define EAP_GPSK_OPCODE_GPSK_1 1 19189251Ssam#define EAP_GPSK_OPCODE_GPSK_2 2 20189251Ssam#define EAP_GPSK_OPCODE_GPSK_3 3 21189251Ssam#define EAP_GPSK_OPCODE_GPSK_4 4 22189251Ssam#define EAP_GPSK_OPCODE_FAIL 5 23189251Ssam#define EAP_GPSK_OPCODE_PROTECTED_FAIL 6 24189251Ssam 25189251Ssam/* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */ 26189251Ssam#define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001 27189251Ssam#define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002 28189251Ssam#define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003 29189251Ssam 30189251Ssam#define EAP_GPSK_RAND_LEN 32 31189251Ssam#define EAP_GPSK_MAX_SK_LEN 32 32189251Ssam#define EAP_GPSK_MAX_PK_LEN 32 33189251Ssam#define EAP_GPSK_MAX_MIC_LEN 32 34189251Ssam 35189251Ssam#define EAP_GPSK_VENDOR_IETF 0x00000000 36189251Ssam#define EAP_GPSK_CIPHER_RESERVED 0x000000 37189251Ssam#define EAP_GPSK_CIPHER_AES 0x000001 38189251Ssam#define EAP_GPSK_CIPHER_SHA256 0x000002 39189251Ssam 40189251Ssam 41189251Ssam#ifdef _MSC_VER 42189251Ssam#pragma pack(push, 1) 43189251Ssam#endif /* _MSC_VER */ 44189251Ssam 45189251Ssamstruct eap_gpsk_csuite { 46189251Ssam u8 vendor[4]; 47189251Ssam u8 specifier[2]; 48189251Ssam} STRUCT_PACKED; 49189251Ssam 50189251Ssam#ifdef _MSC_VER 51189251Ssam#pragma pack(pop) 52189251Ssam#endif /* _MSC_VER */ 53189251Ssam 54189251Ssamint eap_gpsk_supported_ciphersuite(int vendor, int specifier); 55189251Ssamint eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor, 56189251Ssam int specifier, 57189251Ssam const u8 *rand_client, const u8 *rand_server, 58189251Ssam const u8 *id_client, size_t id_client_len, 59189251Ssam const u8 *id_server, size_t id_server_len, 60189251Ssam u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len, 61189251Ssam u8 *pk, size_t *pk_len); 62189251Ssamsize_t eap_gpsk_mic_len(int vendor, int specifier); 63189251Ssamint eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor, 64189251Ssam int specifier, const u8 *data, size_t len, u8 *mic); 65189251Ssam 66189251Ssam#endif /* EAP_GPSK_COMMON_H */ 67