The Android Open Source Project | 845e012 | 2009-03-03 19:31:34 -0800 | [diff] [blame] | 1 | /* |
| 2 | * EAP server/peer: EAP-GPSK shared routines |
| 3 | * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * Alternatively, this software may be distributed under the terms of BSD |
| 10 | * license. |
| 11 | * |
| 12 | * See README and COPYING for more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef EAP_GPSK_COMMON_H |
| 16 | #define EAP_GPSK_COMMON_H |
| 17 | |
| 18 | #define EAP_GPSK_OPCODE_GPSK_1 1 |
| 19 | #define EAP_GPSK_OPCODE_GPSK_2 2 |
| 20 | #define EAP_GPSK_OPCODE_GPSK_3 3 |
| 21 | #define EAP_GPSK_OPCODE_GPSK_4 4 |
| 22 | #define EAP_GPSK_OPCODE_FAIL 5 |
| 23 | #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6 |
| 24 | |
| 25 | /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */ |
| 26 | #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001 |
| 27 | #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002 |
| 28 | #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003 |
| 29 | |
| 30 | #define EAP_GPSK_RAND_LEN 32 |
| 31 | #define EAP_GPSK_MAX_SK_LEN 32 |
| 32 | #define EAP_GPSK_MAX_PK_LEN 32 |
| 33 | #define EAP_GPSK_MAX_MIC_LEN 32 |
| 34 | |
| 35 | #define EAP_GPSK_VENDOR_IETF 0x00000000 |
| 36 | #define EAP_GPSK_CIPHER_RESERVED 0x000000 |
| 37 | #define EAP_GPSK_CIPHER_AES 0x000001 |
| 38 | #define EAP_GPSK_CIPHER_SHA256 0x000002 |
| 39 | |
| 40 | |
| 41 | #ifdef _MSC_VER |
| 42 | #pragma pack(push, 1) |
| 43 | #endif /* _MSC_VER */ |
| 44 | |
| 45 | struct eap_gpsk_csuite { |
| 46 | u8 vendor[4]; |
| 47 | u8 specifier[2]; |
| 48 | } STRUCT_PACKED; |
| 49 | |
| 50 | #ifdef _MSC_VER |
| 51 | #pragma pack(pop) |
| 52 | #endif /* _MSC_VER */ |
| 53 | |
| 54 | int eap_gpsk_supported_ciphersuite(int vendor, int specifier); |
| 55 | int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor, |
| 56 | int specifier, |
| 57 | const u8 *rand_client, const u8 *rand_server, |
| 58 | const u8 *id_client, size_t id_client_len, |
| 59 | const u8 *id_server, size_t id_server_len, |
| 60 | u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len, |
| 61 | u8 *pk, size_t *pk_len); |
| 62 | size_t eap_gpsk_mic_len(int vendor, int specifier); |
| 63 | int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor, |
| 64 | int specifier, const u8 *data, size_t len, u8 *mic); |
| 65 | |
| 66 | #endif /* EAP_GPSK_COMMON_H */ |