/*
|
* EAP server/peer: EAP-SAKE shared routines
|
* Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
|
*
|
* This software may be distributed under the terms of the BSD license.
|
* See README for more details.
|
*/
|
|
#ifndef EAP_SAKE_COMMON_H
|
#define EAP_SAKE_COMMON_H
|
|
#define EAP_SAKE_VERSION 2
|
|
#define EAP_SAKE_SUBTYPE_CHALLENGE 1
|
#define EAP_SAKE_SUBTYPE_CONFIRM 2
|
#define EAP_SAKE_SUBTYPE_AUTH_REJECT 3
|
#define EAP_SAKE_SUBTYPE_IDENTITY 4
|
|
#define EAP_SAKE_AT_RAND_S 1
|
#define EAP_SAKE_AT_RAND_P 2
|
#define EAP_SAKE_AT_MIC_S 3
|
#define EAP_SAKE_AT_MIC_P 4
|
#define EAP_SAKE_AT_SERVERID 5
|
#define EAP_SAKE_AT_PEERID 6
|
#define EAP_SAKE_AT_SPI_S 7
|
#define EAP_SAKE_AT_SPI_P 8
|
#define EAP_SAKE_AT_ANY_ID_REQ 9
|
#define EAP_SAKE_AT_PERM_ID_REQ 10
|
#define EAP_SAKE_AT_ENCR_DATA 128
|
#define EAP_SAKE_AT_IV 129
|
#define EAP_SAKE_AT_PADDING 130
|
#define EAP_SAKE_AT_NEXT_TMPID 131
|
#define EAP_SAKE_AT_MSK_LIFE 132
|
|
#define EAP_SAKE_RAND_LEN 16
|
#define EAP_SAKE_MIC_LEN 16
|
#define EAP_SAKE_ROOT_SECRET_LEN 16
|
#define EAP_SAKE_SMS_LEN 16
|
#define EAP_SAKE_TEK_AUTH_LEN 16
|
#define EAP_SAKE_TEK_CIPHER_LEN 16
|
#define EAP_SAKE_TEK_LEN (EAP_SAKE_TEK_AUTH_LEN + EAP_SAKE_TEK_CIPHER_LEN)
|
|
#ifdef _MSC_VER
|
#pragma pack(push, 1)
|
#endif /* _MSC_VER */
|
|
struct eap_sake_hdr {
|
u8 version; /* EAP_SAKE_VERSION */
|
u8 session_id;
|
u8 subtype;
|
} STRUCT_PACKED;
|
|
#ifdef _MSC_VER
|
#pragma pack(pop)
|
#endif /* _MSC_VER */
|
|
|
struct eap_sake_parse_attr {
|
const u8 *rand_s;
|
const u8 *rand_p;
|
const u8 *mic_s;
|
const u8 *mic_p;
|
const u8 *serverid;
|
size_t serverid_len;
|
const u8 *peerid;
|
size_t peerid_len;
|
const u8 *spi_s;
|
size_t spi_s_len;
|
const u8 *spi_p;
|
size_t spi_p_len;
|
const u8 *any_id_req;
|
const u8 *perm_id_req;
|
const u8 *encr_data;
|
size_t encr_data_len;
|
const u8 *iv;
|
size_t iv_len;
|
const u8 *next_tmpid;
|
size_t next_tmpid_len;
|
const u8 *msk_life;
|
};
|
|
int eap_sake_parse_attributes(const u8 *buf, size_t len,
|
struct eap_sake_parse_attr *attr);
|
void eap_sake_derive_keys(const u8 *root_secret_a, const u8 *root_secret_b,
|
const u8 *rand_s, const u8 *rand_p,
|
u8 *tek, u8 *msk, u8 *emsk);
|
int eap_sake_compute_mic(const u8 *tek_auth,
|
const u8 *rand_s, const u8 *rand_p,
|
const u8 *serverid, size_t serverid_len,
|
const u8 *peerid, size_t peerid_len,
|
int peer, const u8 *eap, size_t eap_len,
|
const u8 *mic_pos, u8 *mic);
|
void eap_sake_add_attr(struct wpabuf *buf, u8 type, const u8 *data,
|
size_t len);
|
|
#endif /* EAP_SAKE_COMMON_H */
|
