projects / thirdparty / hostap.git / blame
| Commit | Line | Data |
|---|---|---|
| 6fc6879b JM |
1 | /* |
| 2 | * EAP server/peer: EAP-PSK shared routines | |
| 3 | * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> | |
| 4 | * | |
| 0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. | |
| 6fc6879b JM |
7 | */ |
| 8 | ||
| 9 | #ifndef EAP_PSK_COMMON_H | |
| 10 | #define EAP_PSK_COMMON_H | |
| 11 | ||
| 12 | ||
| 13 | #define EAP_PSK_RAND_LEN 16 | |
| 14 | #define EAP_PSK_MAC_LEN 16 | |
| 15 | #define EAP_PSK_TEK_LEN 16 | |
| 16 | #define EAP_PSK_PSK_LEN 16 | |
| 17 | #define EAP_PSK_AK_LEN 16 | |
| 18 | #define EAP_PSK_KDK_LEN 16 | |
| 19 | ||
| 20 | #define EAP_PSK_R_FLAG_CONT 1 | |
| 21 | #define EAP_PSK_R_FLAG_DONE_SUCCESS 2 | |
| 22 | #define EAP_PSK_R_FLAG_DONE_FAILURE 3 | |
| 23 | #define EAP_PSK_E_FLAG 0x20 | |
| 24 | ||
| 25 | #define EAP_PSK_FLAGS_GET_T(flags) (((flags) & 0xc0) >> 6) | |
| 26 | #define EAP_PSK_FLAGS_SET_T(t) ((u8) (t) << 6) | |
| 27 | ||
| 28 | #ifdef _MSC_VER | |
| 29 | #pragma pack(push, 1) | |
| 30 | #endif /* _MSC_VER */ | |
| 31 | ||
| 32 | /* EAP-PSK First Message (AS -> Supplicant) */ | |
| 33 | struct eap_psk_hdr_1 { | |
| 34 | u8 flags; | |
| 35 | u8 rand_s[EAP_PSK_RAND_LEN]; | |
| 36 | /* Followed by variable length ID_S */ | |
| 37 | } STRUCT_PACKED; | |
| 38 | ||
| 39 | /* EAP-PSK Second Message (Supplicant -> AS) */ | |
| 40 | struct eap_psk_hdr_2 { | |
| 41 | u8 flags; | |
| 42 | u8 rand_s[EAP_PSK_RAND_LEN]; | |
| 43 | u8 rand_p[EAP_PSK_RAND_LEN]; | |
| 44 | u8 mac_p[EAP_PSK_MAC_LEN]; | |
| 45 | /* Followed by variable length ID_P */ | |
| 46 | } STRUCT_PACKED; | |
| 47 | ||
| 48 | /* EAP-PSK Third Message (AS -> Supplicant) */ | |
| 49 | struct eap_psk_hdr_3 { | |
| 50 | u8 flags; | |
| 51 | u8 rand_s[EAP_PSK_RAND_LEN]; | |
| 52 | u8 mac_s[EAP_PSK_MAC_LEN]; | |
| 53 | /* Followed by variable length PCHANNEL */ | |
| 54 | } STRUCT_PACKED; | |
| 55 | ||
| 56 | /* EAP-PSK Fourth Message (Supplicant -> AS) */ | |
| 57 | struct eap_psk_hdr_4 { | |
| 58 | u8 flags; | |
| 59 | u8 rand_s[EAP_PSK_RAND_LEN]; | |
| 60 | /* Followed by variable length PCHANNEL */ | |
| 61 | } STRUCT_PACKED; | |
| 62 | ||
| 63 | #ifdef _MSC_VER | |
| 64 | #pragma pack(pop) | |
| 65 | #endif /* _MSC_VER */ | |
| 66 | ||
| 67 | ||
| 68 | int __must_check eap_psk_key_setup(const u8 *psk, u8 *ak, u8 *kdk); | |
| 69 | int __must_check eap_psk_derive_keys(const u8 *kdk, const u8 *rand_p, u8 *tek, | |
| 70 | u8 *msk, u8 *emsk); | |
| 71 | ||
| 72 | #endif /* EAP_PSK_COMMON_H */ |