16d49e1aeSJan Lentfer /* 26d49e1aeSJan Lentfer * EAP server/peer: EAP-GPSK shared routines 36d49e1aeSJan Lentfer * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi> 46d49e1aeSJan Lentfer * 5*3ff40c12SJohn Marino * This software may be distributed under the terms of the BSD license. 6*3ff40c12SJohn Marino * See README for more details. 76d49e1aeSJan Lentfer */ 86d49e1aeSJan Lentfer 96d49e1aeSJan Lentfer #ifndef EAP_GPSK_COMMON_H 106d49e1aeSJan Lentfer #define EAP_GPSK_COMMON_H 116d49e1aeSJan Lentfer 126d49e1aeSJan Lentfer #define EAP_GPSK_OPCODE_GPSK_1 1 136d49e1aeSJan Lentfer #define EAP_GPSK_OPCODE_GPSK_2 2 146d49e1aeSJan Lentfer #define EAP_GPSK_OPCODE_GPSK_3 3 156d49e1aeSJan Lentfer #define EAP_GPSK_OPCODE_GPSK_4 4 166d49e1aeSJan Lentfer #define EAP_GPSK_OPCODE_FAIL 5 176d49e1aeSJan Lentfer #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6 186d49e1aeSJan Lentfer 196d49e1aeSJan Lentfer /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */ 206d49e1aeSJan Lentfer #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001 216d49e1aeSJan Lentfer #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002 226d49e1aeSJan Lentfer #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003 236d49e1aeSJan Lentfer 246d49e1aeSJan Lentfer #define EAP_GPSK_RAND_LEN 32 256d49e1aeSJan Lentfer #define EAP_GPSK_MAX_SK_LEN 32 266d49e1aeSJan Lentfer #define EAP_GPSK_MAX_PK_LEN 32 276d49e1aeSJan Lentfer #define EAP_GPSK_MAX_MIC_LEN 32 286d49e1aeSJan Lentfer 296d49e1aeSJan Lentfer #define EAP_GPSK_VENDOR_IETF 0x00000000 306d49e1aeSJan Lentfer #define EAP_GPSK_CIPHER_RESERVED 0x000000 316d49e1aeSJan Lentfer #define EAP_GPSK_CIPHER_AES 0x000001 326d49e1aeSJan Lentfer #define EAP_GPSK_CIPHER_SHA256 0x000002 336d49e1aeSJan Lentfer 346d49e1aeSJan Lentfer 356d49e1aeSJan Lentfer #ifdef _MSC_VER 366d49e1aeSJan Lentfer #pragma pack(push, 1) 376d49e1aeSJan Lentfer #endif /* _MSC_VER */ 386d49e1aeSJan Lentfer 396d49e1aeSJan Lentfer struct eap_gpsk_csuite { 406d49e1aeSJan Lentfer u8 vendor[4]; 416d49e1aeSJan Lentfer u8 specifier[2]; 426d49e1aeSJan Lentfer } STRUCT_PACKED; 436d49e1aeSJan Lentfer 446d49e1aeSJan Lentfer #ifdef _MSC_VER 456d49e1aeSJan Lentfer #pragma pack(pop) 466d49e1aeSJan Lentfer #endif /* _MSC_VER */ 476d49e1aeSJan Lentfer 486d49e1aeSJan Lentfer int eap_gpsk_supported_ciphersuite(int vendor, int specifier); 496d49e1aeSJan Lentfer int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor, 506d49e1aeSJan Lentfer int specifier, 516d49e1aeSJan Lentfer const u8 *rand_client, const u8 *rand_server, 526d49e1aeSJan Lentfer const u8 *id_client, size_t id_client_len, 536d49e1aeSJan Lentfer const u8 *id_server, size_t id_server_len, 546d49e1aeSJan Lentfer u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len, 556d49e1aeSJan Lentfer u8 *pk, size_t *pk_len); 56*3ff40c12SJohn Marino int eap_gpsk_derive_session_id(const u8 *psk, size_t psk_len, int vendor, 57*3ff40c12SJohn Marino int specifier, 58*3ff40c12SJohn Marino const u8 *rand_peer, const u8 *rand_server, 59*3ff40c12SJohn Marino const u8 *id_peer, size_t id_peer_len, 60*3ff40c12SJohn Marino const u8 *id_server, size_t id_server_len, 61*3ff40c12SJohn Marino u8 method_type, u8 *sid, size_t *sid_len); 626d49e1aeSJan Lentfer size_t eap_gpsk_mic_len(int vendor, int specifier); 636d49e1aeSJan Lentfer int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor, 646d49e1aeSJan Lentfer int specifier, const u8 *data, size_t len, u8 *mic); 656d49e1aeSJan Lentfer 666d49e1aeSJan Lentfer #endif /* EAP_GPSK_COMMON_H */ 67