1 /* 2 * EAP server/peer: EAP-PAX shared routines 3 * Copyright (c) 2005-2007, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef EAP_PAX_COMMON_H 10 #define EAP_PAX_COMMON_H 11 12 #ifdef _MSC_VER 13 #pragma pack(push, 1) 14 #endif /* _MSC_VER */ 15 16 struct eap_pax_hdr { 17 u8 op_code; 18 u8 flags; 19 u8 mac_id; 20 u8 dh_group_id; 21 u8 public_key_id; 22 /* Followed by variable length payload and ICV */ 23 } STRUCT_PACKED; 24 25 #ifdef _MSC_VER 26 #pragma pack(pop) 27 #endif /* _MSC_VER */ 28 29 30 /* op_code: */ 31 enum { 32 EAP_PAX_OP_STD_1 = 0x01, 33 EAP_PAX_OP_STD_2 = 0x02, 34 EAP_PAX_OP_STD_3 = 0x03, 35 EAP_PAX_OP_SEC_1 = 0x11, 36 EAP_PAX_OP_SEC_2 = 0x12, 37 EAP_PAX_OP_SEC_3 = 0x13, 38 EAP_PAX_OP_SEC_4 = 0x14, 39 EAP_PAX_OP_SEC_5 = 0x15, 40 EAP_PAX_OP_ACK = 0x21 41 }; 42 43 /* flags: */ 44 #define EAP_PAX_FLAGS_MF 0x01 45 #define EAP_PAX_FLAGS_CE 0x02 46 #define EAP_PAX_FLAGS_AI 0x04 47 48 /* mac_id: */ 49 #define EAP_PAX_MAC_HMAC_SHA1_128 0x01 50 #define EAP_PAX_HMAC_SHA256_128 0x02 51 52 /* dh_group_id: */ 53 #define EAP_PAX_DH_GROUP_NONE 0x00 54 #define EAP_PAX_DH_GROUP_2048_MODP 0x01 55 #define EAP_PAX_DH_GROUP_3072_MODP 0x02 56 #define EAP_PAX_DH_GROUP_NIST_ECC_P_256 0x03 57 58 /* public_key_id: */ 59 #define EAP_PAX_PUBLIC_KEY_NONE 0x00 60 #define EAP_PAX_PUBLIC_KEY_RSAES_OAEP 0x01 61 #define EAP_PAX_PUBLIC_KEY_RSA_PKCS1_V1_5 0x02 62 #define EAP_PAX_PUBLIC_KEY_EL_GAMAL_NIST_ECC 0x03 63 64 /* ADE type: */ 65 #define EAP_PAX_ADE_VENDOR_SPECIFIC 0x01 66 #define EAP_PAX_ADE_CLIENT_CHANNEL_BINDING 0x02 67 #define EAP_PAX_ADE_SERVER_CHANNEL_BINDING 0x03 68 69 70 #define EAP_PAX_RAND_LEN 32 71 #define EAP_PAX_MAC_LEN 16 72 #define EAP_PAX_ICV_LEN 16 73 #define EAP_PAX_AK_LEN 16 74 #define EAP_PAX_MK_LEN 16 75 #define EAP_PAX_CK_LEN 16 76 #define EAP_PAX_ICK_LEN 16 77 78 79 int eap_pax_kdf(u8 mac_id, const u8 *key, size_t key_len, 80 const char *identifier, 81 const u8 *entropy, size_t entropy_len, 82 size_t output_len, u8 *output); 83 int eap_pax_mac(u8 mac_id, const u8 *key, size_t key_len, 84 const u8 *data1, size_t data1_len, 85 const u8 *data2, size_t data2_len, 86 const u8 *data3, size_t data3_len, 87 u8 *mac); 88 int eap_pax_initial_key_derivation(u8 mac_id, const u8 *ak, const u8 *e, 89 u8 *mk, u8 *ck, u8 *ick); 90 91 #endif /* EAP_PAX_COMMON_H */ 92
