1*39beb93cSSam Leffler /* 2*39beb93cSSam Leffler * EAP server/peer: EAP-GPSK shared routines 3*39beb93cSSam Leffler * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi> 4*39beb93cSSam Leffler * 5*39beb93cSSam Leffler * This program is free software; you can redistribute it and/or modify 6*39beb93cSSam Leffler * it under the terms of the GNU General Public License version 2 as 7*39beb93cSSam Leffler * published by the Free Software Foundation. 8*39beb93cSSam Leffler * 9*39beb93cSSam Leffler * Alternatively, this software may be distributed under the terms of BSD 10*39beb93cSSam Leffler * license. 11*39beb93cSSam Leffler * 12*39beb93cSSam Leffler * See README and COPYING for more details. 13*39beb93cSSam Leffler */ 14*39beb93cSSam Leffler 15*39beb93cSSam Leffler #ifndef EAP_GPSK_COMMON_H 16*39beb93cSSam Leffler #define EAP_GPSK_COMMON_H 17*39beb93cSSam Leffler 18*39beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_1 1 19*39beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_2 2 20*39beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_3 3 21*39beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_4 4 22*39beb93cSSam Leffler #define EAP_GPSK_OPCODE_FAIL 5 23*39beb93cSSam Leffler #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6 24*39beb93cSSam Leffler 25*39beb93cSSam Leffler /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */ 26*39beb93cSSam Leffler #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001 27*39beb93cSSam Leffler #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002 28*39beb93cSSam Leffler #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003 29*39beb93cSSam Leffler 30*39beb93cSSam Leffler #define EAP_GPSK_RAND_LEN 32 31*39beb93cSSam Leffler #define EAP_GPSK_MAX_SK_LEN 32 32*39beb93cSSam Leffler #define EAP_GPSK_MAX_PK_LEN 32 33*39beb93cSSam Leffler #define EAP_GPSK_MAX_MIC_LEN 32 34*39beb93cSSam Leffler 35*39beb93cSSam Leffler #define EAP_GPSK_VENDOR_IETF 0x00000000 36*39beb93cSSam Leffler #define EAP_GPSK_CIPHER_RESERVED 0x000000 37*39beb93cSSam Leffler #define EAP_GPSK_CIPHER_AES 0x000001 38*39beb93cSSam Leffler #define EAP_GPSK_CIPHER_SHA256 0x000002 39*39beb93cSSam Leffler 40*39beb93cSSam Leffler 41*39beb93cSSam Leffler #ifdef _MSC_VER 42*39beb93cSSam Leffler #pragma pack(push, 1) 43*39beb93cSSam Leffler #endif /* _MSC_VER */ 44*39beb93cSSam Leffler 45*39beb93cSSam Leffler struct eap_gpsk_csuite { 46*39beb93cSSam Leffler u8 vendor[4]; 47*39beb93cSSam Leffler u8 specifier[2]; 48*39beb93cSSam Leffler } STRUCT_PACKED; 49*39beb93cSSam Leffler 50*39beb93cSSam Leffler #ifdef _MSC_VER 51*39beb93cSSam Leffler #pragma pack(pop) 52*39beb93cSSam Leffler #endif /* _MSC_VER */ 53*39beb93cSSam Leffler 54*39beb93cSSam Leffler int eap_gpsk_supported_ciphersuite(int vendor, int specifier); 55*39beb93cSSam Leffler int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor, 56*39beb93cSSam Leffler int specifier, 57*39beb93cSSam Leffler const u8 *rand_client, const u8 *rand_server, 58*39beb93cSSam Leffler const u8 *id_client, size_t id_client_len, 59*39beb93cSSam Leffler const u8 *id_server, size_t id_server_len, 60*39beb93cSSam Leffler u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len, 61*39beb93cSSam Leffler u8 *pk, size_t *pk_len); 62*39beb93cSSam Leffler size_t eap_gpsk_mic_len(int vendor, int specifier); 63*39beb93cSSam Leffler int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor, 64*39beb93cSSam Leffler int specifier, const u8 *data, size_t len, u8 *mic); 65*39beb93cSSam Leffler 66*39beb93cSSam Leffler #endif /* EAP_GPSK_COMMON_H */ 67