Disconnect hostapd from building in base
[dragonfly.git] / contrib / hostapd / src / eap_common / eap_eke_common.h
CommitLineData
4781064b
JM
1/*
2 * EAP server/peer: EAP-EKE shared routines
3 * Copyright (c) 2011-2013, Jouni Malinen <j@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_EKE_COMMON_H
10#define EAP_EKE_COMMON_H
11
12/* EKE Exchange */
13#define EAP_EKE_ID 1
14#define EAP_EKE_COMMIT 2
15#define EAP_EKE_CONFIRM 3
16#define EAP_EKE_FAILURE 4
17
18/* Diffie-Hellman Group Registry */
19#define EAP_EKE_DHGROUP_EKE_2 1
20#define EAP_EKE_DHGROUP_EKE_5 2
21#define EAP_EKE_DHGROUP_EKE_14 3 /* mandatory to implement */
22#define EAP_EKE_DHGROUP_EKE_15 4
23#define EAP_EKE_DHGROUP_EKE_16 5
24
25/* Encryption Algorithm Registry */
26#define EAP_EKE_ENCR_AES128_CBC 1 /* mandatory to implement */
27
28/* Pseudo Random Function Registry */
29#define EAP_EKE_PRF_HMAC_SHA1 1 /* mandatory to implement */
30#define EAP_EKE_PRF_HMAC_SHA2_256 2
31
32/* Keyed Message Digest (MAC) Registry */
33#define EAP_EKE_MAC_HMAC_SHA1 1 /* mandatory to implement */
34#define EAP_EKE_MAC_HMAC_SHA2_256 2
35
36/* Identity Type Registry */
37#define EAP_EKE_ID_OPAQUE 1
38#define EAP_EKE_ID_NAI 2
39#define EAP_EKE_ID_IPv4 3
40#define EAP_EKE_ID_IPv6 4
41#define EAP_EKE_ID_FQDN 5
42#define EAP_EKE_ID_DN 6
43
44/* Failure-Code */
45#define EAP_EKE_FAIL_NO_ERROR 1
46#define EAP_EKE_FAIL_PROTO_ERROR 2
47#define EAP_EKE_FAIL_PASSWD_NOT_FOUND 3
48#define EAP_EKE_FAIL_AUTHENTICATION_FAIL 4
49#define EAP_EKE_FAIL_AUTHORIZATION_FAIL 5
50#define EAP_EKE_FAIL_NO_PROPOSAL_CHOSEN 6
51#define EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR 0xffffffff
52
53#define EAP_EKE_MAX_DH_LEN 512
54#define EAP_EKE_MAX_HASH_LEN 32
55#define EAP_EKE_MAX_KEY_LEN 16
56#define EAP_EKE_MAX_KE_LEN 16
57#define EAP_EKE_MAX_KI_LEN 32
58#define EAP_EKE_MAX_KA_LEN 32
59#define EAP_EKE_MAX_NONCE_LEN 16
60
61struct eap_eke_session {
62 /* Selected proposal */
63 u8 dhgroup;
64 u8 encr;
65 u8 prf;
66 u8 mac;
67
68 u8 shared_secret[EAP_EKE_MAX_HASH_LEN];
69 u8 ke[EAP_EKE_MAX_KE_LEN];
70 u8 ki[EAP_EKE_MAX_KI_LEN];
71 u8 ka[EAP_EKE_MAX_KA_LEN];
72
73 int prf_len;
74 int nonce_len;
75 int auth_len;
76 int dhcomp_len;
77 int pnonce_len;
78 int pnonce_ps_len;
79};
80
81int eap_eke_session_init(struct eap_eke_session *sess, u8 dhgroup, u8 encr,
82 u8 prf, u8 mac);
83void eap_eke_session_clean(struct eap_eke_session *sess);
84int eap_eke_dh_init(u8 group, u8 *ret_priv, u8 *ret_pub);
85int eap_eke_derive_key(struct eap_eke_session *sess,
86 const u8 *password, size_t password_len,
87 const u8 *id_s, size_t id_s_len, const u8 *id_p,
88 size_t id_p_len, u8 *key);
89int eap_eke_dhcomp(struct eap_eke_session *sess, const u8 *key, const u8 *dhpub,
90 u8 *ret_dhcomp);
91int eap_eke_shared_secret(struct eap_eke_session *sess, const u8 *key,
92 const u8 *dhpriv, const u8 *peer_dhcomp);
93int eap_eke_derive_ke_ki(struct eap_eke_session *sess,
94 const u8 *id_s, size_t id_s_len,
95 const u8 *id_p, size_t id_p_len);
96int eap_eke_derive_ka(struct eap_eke_session *sess,
97 const u8 *id_s, size_t id_s_len,
98 const u8 *id_p, size_t id_p_len,
99 const u8 *nonce_p, const u8 *nonce_s);
100int eap_eke_derive_msk(struct eap_eke_session *sess,
101 const u8 *id_s, size_t id_s_len,
102 const u8 *id_p, size_t id_p_len,
103 const u8 *nonce_p, const u8 *nonce_s,
104 u8 *msk, u8 *emsk);
105int eap_eke_prot(struct eap_eke_session *sess,
106 const u8 *data, size_t data_len,
107 u8 *prot, size_t *prot_len);
108int eap_eke_decrypt_prot(struct eap_eke_session *sess,
109 const u8 *prot, size_t prot_len,
110 u8 *data, size_t *data_len);
111int eap_eke_auth(struct eap_eke_session *sess, const char *label,
112 const struct wpabuf *msgs, u8 *auth);
113
114#endif /* EAP_EKE_COMMON_H */