1189251Ssam/* 2189251Ssam * EAP server/peer: EAP-GPSK shared routines 3189251Ssam * Copyright (c) 2006-2007, 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 EAP_GPSK_COMMON_H 10189251Ssam#define EAP_GPSK_COMMON_H 11189251Ssam 12189251Ssam#define EAP_GPSK_OPCODE_GPSK_1 1 13189251Ssam#define EAP_GPSK_OPCODE_GPSK_2 2 14189251Ssam#define EAP_GPSK_OPCODE_GPSK_3 3 15189251Ssam#define EAP_GPSK_OPCODE_GPSK_4 4 16189251Ssam#define EAP_GPSK_OPCODE_FAIL 5 17189251Ssam#define EAP_GPSK_OPCODE_PROTECTED_FAIL 6 18189251Ssam 19189251Ssam/* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */ 20189251Ssam#define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001 21189251Ssam#define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002 22189251Ssam#define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003 23189251Ssam 24189251Ssam#define EAP_GPSK_RAND_LEN 32 25189251Ssam#define EAP_GPSK_MAX_SK_LEN 32 26189251Ssam#define EAP_GPSK_MAX_PK_LEN 32 27189251Ssam#define EAP_GPSK_MAX_MIC_LEN 32 28189251Ssam 29189251Ssam#define EAP_GPSK_VENDOR_IETF 0x00000000 30189251Ssam#define EAP_GPSK_CIPHER_RESERVED 0x000000 31189251Ssam#define EAP_GPSK_CIPHER_AES 0x000001 32189251Ssam#define EAP_GPSK_CIPHER_SHA256 0x000002 33189251Ssam 34189251Ssam 35189251Ssam#ifdef _MSC_VER 36189251Ssam#pragma pack(push, 1) 37189251Ssam#endif /* _MSC_VER */ 38189251Ssam 39189251Ssamstruct eap_gpsk_csuite { 40189251Ssam u8 vendor[4]; 41189251Ssam u8 specifier[2]; 42189251Ssam} STRUCT_PACKED; 43189251Ssam 44189251Ssam#ifdef _MSC_VER 45189251Ssam#pragma pack(pop) 46189251Ssam#endif /* _MSC_VER */ 47189251Ssam 48189251Ssamint eap_gpsk_supported_ciphersuite(int vendor, int specifier); 49189251Ssamint eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor, 50189251Ssam int specifier, 51189251Ssam const u8 *rand_client, const u8 *rand_server, 52189251Ssam const u8 *id_client, size_t id_client_len, 53189251Ssam const u8 *id_server, size_t id_server_len, 54189251Ssam u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len, 55189251Ssam u8 *pk, size_t *pk_len); 56281806Srpauloint eap_gpsk_derive_session_id(const u8 *psk, size_t psk_len, int vendor, 57281806Srpaulo int specifier, 58281806Srpaulo const u8 *rand_peer, const u8 *rand_server, 59281806Srpaulo const u8 *id_peer, size_t id_peer_len, 60281806Srpaulo const u8 *id_server, size_t id_server_len, 61281806Srpaulo u8 method_type, u8 *sid, size_t *sid_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