-/*
- * 802.1x EAPOL definitions
- *
- * See
- * IEEE Std 802.1X-2001
- * IEEE 802.1X RADIUS Usage Guidelines
- *
- * Copyright (C) 2002 Broadcom Corporation
- *
- */
-
-#ifndef _eapol_h_
-#define _eapol_h_
-
-/* enable structure packing */
-#if defined(__GNUC__)
-#define PACKED __attribute__((packed))
-#else
-#pragma pack(1)
-#define PACKED
-#endif
-
-#include <bcmcrypto/aeskeywrap.h>
-
-/* EAPOL for 802.3/Ethernet */
-typedef struct {
- struct ether_header eth; /* 802.3/Ethernet header */
- unsigned char version; /* EAPOL protocol version */
- unsigned char type; /* EAPOL type */
- unsigned short length; /* Length of body */
- unsigned char body[1]; /* Body (optional) */
-} eapol_header_t;
-
-#define EAPOL_HEADER_LEN 18
-
-/* EAPOL version */
-#define WPA2_EAPOL_VERSION 2
-#define WPA_EAPOL_VERSION 1
-#define LEAP_EAPOL_VERSION 1
-#define SES_EAPOL_VERSION 1
-
-/* EAPOL types */
-#define EAP_PACKET 0
-#define EAPOL_START 1
-#define EAPOL_LOGOFF 2
-#define EAPOL_KEY 3
-#define EAPOL_ASF 4
-
-/* EAPOL-Key types */
-#define EAPOL_RC4_KEY 1
-#ifdef BCMWPA2
-#define EAPOL_WPA2_KEY 2 /* 802.11i/WPA2 */
-#endif
-#define EAPOL_WPA_KEY 254 /* WPA */
-
-/* RC4 EAPOL-Key header field sizes */
-#define EAPOL_KEY_REPLAY_LEN 8
-#define EAPOL_KEY_IV_LEN 16
-#define EAPOL_KEY_SIG_LEN 16
-
-/* RC4 EAPOL-Key */
-typedef struct {
- unsigned char type; /* Key Descriptor Type */
- unsigned short length; /* Key Length (unaligned) */
- unsigned char replay[EAPOL_KEY_REPLAY_LEN]; /* Replay Counter */
- unsigned char iv[EAPOL_KEY_IV_LEN]; /* Key IV */
- unsigned char index; /* Key Flags & Index */
- unsigned char signature[EAPOL_KEY_SIG_LEN]; /* Key Signature */
- unsigned char key[1]; /* Key (optional) */
-} PACKED eapol_key_header_t;
-
-#define EAPOL_KEY_HEADER_LEN 44
-
-/* RC4 EAPOL-Key flags */
-#define EAPOL_KEY_FLAGS_MASK 0x80
-#define EAPOL_KEY_BROADCAST 0
-#define EAPOL_KEY_UNICAST 0x80
-
-/* RC4 EAPOL-Key index */
-#define EAPOL_KEY_INDEX_MASK 0x7f
-
-/* WPA/802.11i/WPA2 EAPOL-Key header field sizes */
-#define EAPOL_WPA_KEY_REPLAY_LEN 8
-#define EAPOL_WPA_KEY_NONCE_LEN 32
-#define EAPOL_WPA_KEY_IV_LEN 16
-#define EAPOL_WPA_KEY_RSC_LEN 8
-#define EAPOL_WPA_KEY_ID_LEN 8
-#define EAPOL_WPA_KEY_MIC_LEN 16
-#define EAPOL_WPA_KEY_DATA_LEN (EAPOL_WPA_MAX_KEY_SIZE + AKW_BLOCK_LEN)
-#define EAPOL_WPA_MAX_KEY_SIZE 32
-
-/* WPA EAPOL-Key */
-typedef struct {
- unsigned char type; /* Key Descriptor Type */
- unsigned short key_info; /* Key Information (unaligned) */
- unsigned short key_len; /* Key Length (unaligned) */
- unsigned char replay[EAPOL_WPA_KEY_REPLAY_LEN]; /* Replay Counter */
- unsigned char nonce[EAPOL_WPA_KEY_NONCE_LEN]; /* Nonce */
- unsigned char iv[EAPOL_WPA_KEY_IV_LEN]; /* Key IV */
- unsigned char rsc[EAPOL_WPA_KEY_RSC_LEN]; /* Key RSC */
- unsigned char id[EAPOL_WPA_KEY_ID_LEN]; /* WPA:Key ID, 802.11i/WPA2: Reserved */
- unsigned char mic[EAPOL_WPA_KEY_MIC_LEN]; /* Key MIC */
- unsigned short data_len; /* Key Data Length */
- unsigned char data[EAPOL_WPA_KEY_DATA_LEN]; /* Key data */
-} PACKED eapol_wpa_key_header_t;
-
-#define EAPOL_WPA_KEY_LEN 95
-
-/* WPA/802.11i/WPA2 KEY KEY_INFO bits */
-#define WPA_KEY_DESC_V1 0x01
-#define WPA_KEY_DESC_V2 0x02
-#define WPA_KEY_PAIRWISE 0x08
-#define WPA_KEY_INSTALL 0x40
-#define WPA_KEY_ACK 0x80
-#define WPA_KEY_MIC 0x100
-#define WPA_KEY_SECURE 0x200
-#define WPA_KEY_ERROR 0x400
-#define WPA_KEY_REQ 0x800
-
-/* WPA-only KEY KEY_INFO bits */
-#define WPA_KEY_INDEX_0 0x00
-#define WPA_KEY_INDEX_1 0x10
-#define WPA_KEY_INDEX_2 0x20
-#define WPA_KEY_INDEX_3 0x30
-#define WPA_KEY_INDEX_MASK 0x30
-#define WPA_KEY_INDEX_SHIFT 0x04
-
-#ifdef BCMWPA2
-/* 802.11i/WPA2-only KEY KEY_INFO bits */
-#define WPA_KEY_ENCRYPTED_DATA 0x1000
-
-/* Key Data encapsulation */
-typedef struct {
- uint8 type;
- uint8 length;
- uint8 oui[3];
- uint8 subtype;
- uint8 data[1];
-} PACKED eapol_wpa2_encap_data_t;
-
-#define EAPOL_WPA2_ENCAP_DATA_HDR_LEN 6
-
-#define WPA2_KEY_DATA_SUBTYPE_GTK 1
-#define WPA2_KEY_DATA_SUBTYPE_STAKEY 2
-#define WPA2_KEY_DATA_SUBTYPE_MAC 3
-#define WPA2_KEY_DATA_SUBTYPE_PMKID 4
-
-/* GTK encapsulation */
-typedef struct {
- uint8 flags;
- uint8 reserved;
- uint8 gtk[EAPOL_WPA_MAX_KEY_SIZE];
-} PACKED eapol_wpa2_key_gtk_encap_t;
-
-#define EAPOL_WPA2_KEY_GTK_ENCAP_HDR_LEN 2
-
-#define WPA2_GTK_INDEX_MASK 0x03
-#define WPA2_GTK_INDEX_SHIFT 0x00
-
-#define WPA2_GTK_TRANSMIT 0x04
-
-/* STAKey encapsulation */
-typedef struct {
- uint8 reserved[2];
- uint8 mac[ETHER_ADDR_LEN];
- uint8 stakey[EAPOL_WPA_MAX_KEY_SIZE];
-} PACKED eapol_wpa2_key_stakey_encap_t;
-
-#define WPA2_KEY_DATA_PAD 0xdd
-
-#endif /* BCMWPA2 */
-
-#undef PACKED
-#if !defined(__GNUC__)
-#pragma pack()
-#endif
-
-#endif /* _eapol_h_ */
projects / openwrt.git / blobdiff