139beb93cSSam Leffler /* 239beb93cSSam Leffler * EAP server/peer: EAP-GPSK shared routines 339beb93cSSam Leffler * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi> 439beb93cSSam Leffler * 5f05cddf9SRui Paulo * This software may be distributed under the terms of the BSD license. 6f05cddf9SRui Paulo * See README for more details. 739beb93cSSam Leffler */ 839beb93cSSam Leffler 939beb93cSSam Leffler #ifndef EAP_GPSK_COMMON_H 1039beb93cSSam Leffler #define EAP_GPSK_COMMON_H 1139beb93cSSam Leffler 1239beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_1 1 1339beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_2 2 1439beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_3 3 1539beb93cSSam Leffler #define EAP_GPSK_OPCODE_GPSK_4 4 1639beb93cSSam Leffler #define EAP_GPSK_OPCODE_FAIL 5 1739beb93cSSam Leffler #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6 1839beb93cSSam Leffler 1939beb93cSSam Leffler /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */ 2039beb93cSSam Leffler #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001 2139beb93cSSam Leffler #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002 2239beb93cSSam Leffler #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003 2339beb93cSSam Leffler 2439beb93cSSam Leffler #define EAP_GPSK_RAND_LEN 32 2539beb93cSSam Leffler #define EAP_GPSK_MAX_SK_LEN 32 2639beb93cSSam Leffler #define EAP_GPSK_MAX_PK_LEN 32 2739beb93cSSam Leffler #define EAP_GPSK_MAX_MIC_LEN 32 2839beb93cSSam Leffler 2939beb93cSSam Leffler #define EAP_GPSK_VENDOR_IETF 0x00000000 3039beb93cSSam Leffler #define EAP_GPSK_CIPHER_RESERVED 0x000000 3139beb93cSSam Leffler #define EAP_GPSK_CIPHER_AES 0x000001 3239beb93cSSam Leffler #define EAP_GPSK_CIPHER_SHA256 0x000002 3339beb93cSSam Leffler 3439beb93cSSam Leffler 3539beb93cSSam Leffler #ifdef _MSC_VER 3639beb93cSSam Leffler #pragma pack(push, 1) 3739beb93cSSam Leffler #endif /* _MSC_VER */ 3839beb93cSSam Leffler 3939beb93cSSam Leffler struct eap_gpsk_csuite { 4039beb93cSSam Leffler u8 vendor[4]; 4139beb93cSSam Leffler u8 specifier[2]; 4239beb93cSSam Leffler } STRUCT_PACKED; 4339beb93cSSam Leffler 4439beb93cSSam Leffler #ifdef _MSC_VER 4539beb93cSSam Leffler #pragma pack(pop) 4639beb93cSSam Leffler #endif /* _MSC_VER */ 4739beb93cSSam Leffler 4839beb93cSSam Leffler int eap_gpsk_supported_ciphersuite(int vendor, int specifier); 4939beb93cSSam Leffler int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor, 5039beb93cSSam Leffler int specifier, 5139beb93cSSam Leffler const u8 *rand_client, const u8 *rand_server, 5239beb93cSSam Leffler const u8 *id_client, size_t id_client_len, 5339beb93cSSam Leffler const u8 *id_server, size_t id_server_len, 5439beb93cSSam Leffler u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len, 5539beb93cSSam Leffler u8 *pk, size_t *pk_len); 56*5b9c547cSRui Paulo int eap_gpsk_derive_session_id(const u8 *psk, size_t psk_len, int vendor, 57*5b9c547cSRui Paulo int specifier, 58*5b9c547cSRui Paulo const u8 *rand_peer, const u8 *rand_server, 59*5b9c547cSRui Paulo const u8 *id_peer, size_t id_peer_len, 60*5b9c547cSRui Paulo const u8 *id_server, size_t id_server_len, 61*5b9c547cSRui Paulo u8 method_type, u8 *sid, size_t *sid_len); 6239beb93cSSam Leffler size_t eap_gpsk_mic_len(int vendor, int specifier); 6339beb93cSSam Leffler int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor, 6439beb93cSSam Leffler int specifier, const u8 *data, size_t len, u8 *mic); 6539beb93cSSam Leffler 6639beb93cSSam Leffler #endif /* EAP_GPSK_COMMON_H */ 67