projects / thirdparty / hostap.git / blame
| Commit | Line | Data |
|---|---|---|
| 6fc6879b JM |
1 | /* |
| 2 | * EAP server/peer: EAP-SAKE shared routines | |
| 3 | * Copyright (c) 2006-2007, 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_SAKE_COMMON_H | |
| 10 | #define EAP_SAKE_COMMON_H | |
| 11 | ||
| 12 | #define EAP_SAKE_VERSION 2 | |
| 13 | ||
| 14 | #define EAP_SAKE_SUBTYPE_CHALLENGE 1 | |
| 15 | #define EAP_SAKE_SUBTYPE_CONFIRM 2 | |
| 16 | #define EAP_SAKE_SUBTYPE_AUTH_REJECT 3 | |
| 17 | #define EAP_SAKE_SUBTYPE_IDENTITY 4 | |
| 18 | ||
| 19 | #define EAP_SAKE_AT_RAND_S 1 | |
| 20 | #define EAP_SAKE_AT_RAND_P 2 | |
| 21 | #define EAP_SAKE_AT_MIC_S 3 | |
| 22 | #define EAP_SAKE_AT_MIC_P 4 | |
| 23 | #define EAP_SAKE_AT_SERVERID 5 | |
| 24 | #define EAP_SAKE_AT_PEERID 6 | |
| 25 | #define EAP_SAKE_AT_SPI_S 7 | |
| 26 | #define EAP_SAKE_AT_SPI_P 8 | |
| 27 | #define EAP_SAKE_AT_ANY_ID_REQ 9 | |
| 28 | #define EAP_SAKE_AT_PERM_ID_REQ 10 | |
| 29 | #define EAP_SAKE_AT_ENCR_DATA 128 | |
| 30 | #define EAP_SAKE_AT_IV 129 | |
| 31 | #define EAP_SAKE_AT_PADDING 130 | |
| 32 | #define EAP_SAKE_AT_NEXT_TMPID 131 | |
| 33 | #define EAP_SAKE_AT_MSK_LIFE 132 | |
| 34 | ||
| 35 | #define EAP_SAKE_RAND_LEN 16 | |
| 36 | #define EAP_SAKE_MIC_LEN 16 | |
| 37 | #define EAP_SAKE_ROOT_SECRET_LEN 16 | |
| 38 | #define EAP_SAKE_SMS_LEN 16 | |
| 39 | #define EAP_SAKE_TEK_AUTH_LEN 16 | |
| 40 | #define EAP_SAKE_TEK_CIPHER_LEN 16 | |
| 41 | #define EAP_SAKE_TEK_LEN (EAP_SAKE_TEK_AUTH_LEN + EAP_SAKE_TEK_CIPHER_LEN) | |
| 42 | ||
| 43 | #ifdef _MSC_VER | |
| 44 | #pragma pack(push, 1) | |
| 45 | #endif /* _MSC_VER */ | |
| 46 | ||
| 47 | struct eap_sake_hdr { | |
| 48 | u8 version; /* EAP_SAKE_VERSION */ | |
| 49 | u8 session_id; | |
| 50 | u8 subtype; | |
| 51 | } STRUCT_PACKED; | |
| 52 | ||
| 53 | #ifdef _MSC_VER | |
| 54 | #pragma pack(pop) | |
| 55 | #endif /* _MSC_VER */ | |
| 56 | ||
| 57 | ||
| 58 | struct eap_sake_parse_attr { | |
| 59 | const u8 *rand_s; | |
| 60 | const u8 *rand_p; | |
| 61 | const u8 *mic_s; | |
| 62 | const u8 *mic_p; | |
| 63 | const u8 *serverid; | |
| 64 | size_t serverid_len; | |
| 65 | const u8 *peerid; | |
| 66 | size_t peerid_len; | |
| 67 | const u8 *spi_s; | |
| 68 | size_t spi_s_len; | |
| 69 | const u8 *spi_p; | |
| 70 | size_t spi_p_len; | |
| 71 | const u8 *any_id_req; | |
| 72 | const u8 *perm_id_req; | |
| 73 | const u8 *encr_data; | |
| 74 | size_t encr_data_len; | |
| 75 | const u8 *iv; | |
| 76 | size_t iv_len; | |
| 77 | const u8 *next_tmpid; | |
| 78 | size_t next_tmpid_len; | |
| 79 | const u8 *msk_life; | |
| 80 | }; | |
| 81 | ||
| 82 | int eap_sake_parse_attributes(const u8 *buf, size_t len, | |
| 83 | struct eap_sake_parse_attr *attr); | |
| 84 | void eap_sake_derive_keys(const u8 *root_secret_a, const u8 *root_secret_b, | |
| 85 | const u8 *rand_s, const u8 *rand_p, | |
| 86 | u8 *tek, u8 *msk, u8 *emsk); | |
| 87 | int eap_sake_compute_mic(const u8 *tek_auth, | |
| 88 | const u8 *rand_s, const u8 *rand_p, | |
| 89 | const u8 *serverid, size_t serverid_len, | |
| 90 | const u8 *peerid, size_t peerid_len, | |
| 91 | int peer, const u8 *eap, size_t eap_len, | |
| 92 | const u8 *mic_pos, u8 *mic); | |
| 93 | void eap_sake_add_attr(struct wpabuf *buf, u8 type, const u8 *data, | |
| 94 | size_t len); | |
| 95 | ||
| 96 | #endif /* EAP_SAKE_COMMON_H */ |