wpa_supplicant: eap_pax_common.h Source File

00001 
00016 #ifndef EAP_PAX_COMMON_H
00017 #define EAP_PAX_COMMON_H
00018 
00019 struct eap_pax_hdr {
00020         u8 code;
00021         u8 identifier;
00022         u16 length; /* including code, identifier, and length */
00023         u8 type; /* EAP_TYPE_PAX */
00024         u8 op_code;
00025         u8 flags;
00026         u8 mac_id;
00027         u8 dh_group_id;
00028         u8 public_key_id;
00029         /* Followed by variable length payload and ICV */
00030 } __attribute__ ((packed));
00031 
00032 
00033 /* op_code: */
00034 enum {
00035         EAP_PAX_OP_STD_1 = 0x01,
00036         EAP_PAX_OP_STD_2 = 0x02,
00037         EAP_PAX_OP_STD_3 = 0x03,
00038         EAP_PAX_OP_SEC_1 = 0x11,
00039         EAP_PAX_OP_SEC_2 = 0x12,
00040         EAP_PAX_OP_SEC_3 = 0x13,
00041         EAP_PAX_OP_SEC_4 = 0x14,
00042         EAP_PAX_OP_SEC_5 = 0x15,
00043         EAP_PAX_OP_ACK = 0x21
00044 };
00045 
00046 /* flags: */
00047 #define EAP_PAX_FLAGS_MF                        0x01
00048 #define EAP_PAX_FLAGS_CE                        0x02
00049 
00050 /* mac_id: */
00051 #define EAP_PAX_MAC_HMAC_SHA1_128               0x01
00052 #define EAP_PAX_MAC_AES_CBC_MAC_128             0x02
00053 
00054 /* dh_group_id: */
00055 #define EAP_PAX_DH_GROUP_NONE                   0x00
00056 #define EAP_PAX_DH_GROUP_3072_MODP              0x01
00057 
00058 /* public_key_id: */
00059 #define EAP_PAX_PUBLIC_KEY_NONE                 0x00
00060 #define EAP_PAX_PUBLIC_KEY_RSA_OAEP_2048        0x01
00061 
00062 
00063 #define EAP_PAX_RAND_LEN 32
00064 #define EAP_PAX_MSK_LEN 64
00065 #define EAP_PAX_MAC_LEN 16
00066 #define EAP_PAX_ICV_LEN 16
00067 #define EAP_PAX_AK_LEN 16
00068 #define EAP_PAX_MK_LEN 16
00069 #define EAP_PAX_CK_LEN 16
00070 #define EAP_PAX_ICK_LEN 16
00071 
00072 
00073 int eap_pax_kdf(u8 mac_id, const u8 *key, size_t key_len,
00074                 const char *identifier,
00075                 const u8 *entropy, size_t entropy_len,
00076                 size_t output_len, u8 *output);
00077 int eap_pax_mac(u8 mac_id, const u8 *key, size_t key_len,
00078                 const u8 *data1, size_t data1_len,
00079                 const u8 *data2, size_t data2_len,
00080                 const u8 *data3, size_t data3_len,
00081                 u8 *mac);
00082 int eap_pax_initial_key_derivation(u8 mac_id, const u8 *ak, const u8 *e,
00083                                    u8 *mk, u8 *ck, u8 *ick);
00084 
00085 #endif /* EAP_PAX_COMMON_H */
00086