| Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * DPP module internal definitions |
| 3 | * Copyright (c) 2017, Qualcomm Atheros, Inc. |
| 4 | * Copyright (c) 2018-2020, The Linux Foundation |
| 5 | * |
| 6 | * This software may be distributed under the terms of the BSD license. |
| 7 | * See README for more details. |
| 8 | */ |
| 9 | |
| 10 | #ifndef DPP_I_H |
| 11 | #define DPP_I_H |
| 12 | |
| 13 | #ifdef CONFIG_DPP |
| 14 | |
| 15 | struct dpp_global { |
| 16 | void *msg_ctx; |
| 17 | struct dl_list bootstrap; /* struct dpp_bootstrap_info */ |
| 18 | struct dl_list configurator; /* struct dpp_configurator */ |
| 19 | #ifdef CONFIG_DPP2 |
| 20 | struct dl_list controllers; /* struct dpp_relay_controller */ |
| 21 | struct dpp_controller *controller; |
| 22 | struct dl_list tcp_init; /* struct dpp_connection */ |
| 23 | void *cb_ctx; |
| 24 | int (*process_conf_obj)(void *ctx, struct dpp_authentication *auth); |
| 25 | void (*remove_bi)(void *ctx, struct dpp_bootstrap_info *bi); |
| 26 | #endif /* CONFIG_DPP2 */ |
| 27 | }; |
| 28 | |
| 29 | /* dpp.c */ |
| 30 | |
| 31 | void dpp_build_attr_status(struct wpabuf *msg, enum dpp_status_error status); |
| 32 | void dpp_build_attr_r_bootstrap_key_hash(struct wpabuf *msg, const u8 *hash); |
| 33 | unsigned int dpp_next_id(struct dpp_global *dpp); |
| 34 | struct wpabuf * dpp_build_conn_status(enum dpp_status_error result, |
| 35 | const u8 *ssid, size_t ssid_len, |
| 36 | const char *channel_list); |
| 37 | struct json_token * dpp_parse_own_connector(const char *own_connector); |
| 38 | int dpp_connector_match_groups(struct json_token *own_root, |
| 39 | struct json_token *peer_root, bool reconfig); |
| 40 | int dpp_build_jwk(struct wpabuf *buf, const char *name, EVP_PKEY *key, |
| 41 | const char *kid, const struct dpp_curve_params *curve); |
| 42 | EVP_PKEY * dpp_parse_jwk(struct json_token *jwk, |
| 43 | const struct dpp_curve_params **key_curve); |
| 44 | int dpp_prepare_channel_list(struct dpp_authentication *auth, |
| 45 | unsigned int neg_freq, |
| 46 | struct hostapd_hw_modes *own_modes, u16 num_modes); |
| 47 | void dpp_auth_fail(struct dpp_authentication *auth, const char *txt); |
| 48 | int dpp_gen_uri(struct dpp_bootstrap_info *bi); |
| 49 | void dpp_write_adv_proto(struct wpabuf *buf); |
| 50 | void dpp_write_gas_query(struct wpabuf *buf, struct wpabuf *query); |
| 51 | |
| 52 | /* dpp_backup.c */ |
| 53 | |
| 54 | void dpp_free_asymmetric_key(struct dpp_asymmetric_key *key); |
| 55 | struct wpabuf * dpp_build_enveloped_data(struct dpp_authentication *auth); |
| 56 | int dpp_conf_resp_env_data(struct dpp_authentication *auth, |
| 57 | const u8 *env_data, size_t env_data_len); |
| 58 | |
| 59 | /* dpp_crypto.c */ |
| 60 | |
| 61 | struct dpp_signed_connector_info { |
| 62 | unsigned char *payload; |
| 63 | size_t payload_len; |
| 64 | }; |
| 65 | |
| 66 | enum dpp_status_error |
| 67 | dpp_process_signed_connector(struct dpp_signed_connector_info *info, |
| 68 | EVP_PKEY *csign_pub, const char *connector); |
| 69 | enum dpp_status_error |
| 70 | dpp_check_signed_connector(struct dpp_signed_connector_info *info, |
| 71 | const u8 *csign_key, size_t csign_key_len, |
| 72 | const u8 *peer_connector, size_t peer_connector_len); |
| 73 | const struct dpp_curve_params * dpp_get_curve_name(const char *name); |
| 74 | const struct dpp_curve_params * dpp_get_curve_jwk_crv(const char *name); |
| 75 | const struct dpp_curve_params * dpp_get_curve_nid(int nid); |
| 76 | int dpp_bi_pubkey_hash(struct dpp_bootstrap_info *bi, |
| 77 | const u8 *data, size_t data_len); |
| 78 | struct wpabuf * dpp_get_pubkey_point(EVP_PKEY *pkey, int prefix); |
| 79 | EVP_PKEY * dpp_set_pubkey_point_group(const EC_GROUP *group, |
| 80 | const u8 *buf_x, const u8 *buf_y, |
| 81 | size_t len); |
| 82 | EVP_PKEY * dpp_set_pubkey_point(EVP_PKEY *group_key, const u8 *buf, size_t len); |
| 83 | int dpp_bn2bin_pad(const BIGNUM *bn, u8 *pos, size_t len); |
| 84 | int dpp_hkdf_expand(size_t hash_len, const u8 *secret, size_t secret_len, |
| 85 | const char *label, u8 *out, size_t outlen); |
| 86 | int dpp_hmac_vector(size_t hash_len, const u8 *key, size_t key_len, |
| 87 | size_t num_elem, const u8 *addr[], const size_t *len, |
| 88 | u8 *mac); |
| 89 | int dpp_ecdh(EVP_PKEY *own, EVP_PKEY *peer, u8 *secret, size_t *secret_len); |
| 90 | void dpp_debug_print_point(const char *title, const EC_GROUP *group, |
| 91 | const EC_POINT *point); |
| 92 | void dpp_debug_print_key(const char *title, EVP_PKEY *key); |
| 93 | int dpp_pbkdf2(size_t hash_len, const u8 *password, size_t password_len, |
| 94 | const u8 *salt, size_t salt_len, unsigned int iterations, |
| 95 | u8 *buf, size_t buflen); |
| 96 | int dpp_get_subject_public_key(struct dpp_bootstrap_info *bi, |
| 97 | const u8 *data, size_t data_len); |
| 98 | int dpp_bootstrap_key_hash(struct dpp_bootstrap_info *bi); |
| 99 | int dpp_keygen(struct dpp_bootstrap_info *bi, const char *curve, |
| 100 | const u8 *privkey, size_t privkey_len); |
| 101 | EVP_PKEY * dpp_set_keypair(const struct dpp_curve_params **curve, |
| 102 | const u8 *privkey, size_t privkey_len); |
| 103 | EVP_PKEY * dpp_gen_keypair(const struct dpp_curve_params *curve); |
| 104 | int dpp_derive_k1(const u8 *Mx, size_t Mx_len, u8 *k1, unsigned int hash_len); |
| 105 | int dpp_derive_k2(const u8 *Nx, size_t Nx_len, u8 *k2, unsigned int hash_len); |
| 106 | int dpp_derive_bk_ke(struct dpp_authentication *auth); |
| 107 | int dpp_gen_r_auth(struct dpp_authentication *auth, u8 *r_auth); |
| 108 | int dpp_gen_i_auth(struct dpp_authentication *auth, u8 *i_auth); |
| 109 | int dpp_auth_derive_l_responder(struct dpp_authentication *auth); |
| 110 | int dpp_auth_derive_l_initiator(struct dpp_authentication *auth); |
| 111 | int dpp_derive_pmk(const u8 *Nx, size_t Nx_len, u8 *pmk, unsigned int hash_len); |
| 112 | int dpp_derive_pmkid(const struct dpp_curve_params *curve, |
| 113 | EVP_PKEY *own_key, EVP_PKEY *peer_key, u8 *pmkid); |
| 114 | EC_POINT * dpp_pkex_derive_Qi(const struct dpp_curve_params *curve, |
| 115 | const u8 *mac_init, const char *code, |
| 116 | const char *identifier, BN_CTX *bnctx, |
| 117 | EC_GROUP **ret_group); |
| 118 | EC_POINT * dpp_pkex_derive_Qr(const struct dpp_curve_params *curve, |
| 119 | const u8 *mac_resp, const char *code, |
| 120 | const char *identifier, BN_CTX *bnctx, |
| 121 | EC_GROUP **ret_group); |
| 122 | int dpp_pkex_derive_z(const u8 *mac_init, const u8 *mac_resp, |
| 123 | const u8 *Mx, size_t Mx_len, |
| 124 | const u8 *Nx, size_t Nx_len, |
| 125 | const char *code, |
| 126 | const u8 *Kx, size_t Kx_len, |
| 127 | u8 *z, unsigned int hash_len); |
| 128 | int dpp_reconfig_derive_ke_responder(struct dpp_authentication *auth, |
| 129 | const u8 *net_access_key, |
| 130 | size_t net_access_key_len, |
| 131 | struct json_token *peer_net_access_key); |
| 132 | int dpp_reconfig_derive_ke_initiator(struct dpp_authentication *auth, |
| 133 | const u8 *r_proto, u16 r_proto_len, |
| 134 | struct json_token *net_access_key); |
| 135 | char * dpp_sign_connector(struct dpp_configurator *conf, |
| 136 | const struct wpabuf *dppcon); |
| 137 | int dpp_test_gen_invalid_key(struct wpabuf *msg, |
| 138 | const struct dpp_curve_params *curve); |
| 139 | |
| 140 | /* dpp_tcp.c */ |
| 141 | |
| 142 | void dpp_controller_conn_status_result_wait_timeout(void *eloop_ctx, |
| 143 | void *timeout_ctx); |
| 144 | void dpp_tcp_init_flush(struct dpp_global *dpp); |
| 145 | void dpp_relay_flush_controllers(struct dpp_global *dpp); |
| 146 | |
| 147 | #endif /* CONFIG_DPP */ |
| 148 | #endif /* DPP_I_H */ |