src/common/dpp.h

   1 /*
   2  * DPP functionality shared between hostapd and wpa_supplicant
   3  * Copyright (c) 2017, Qualcomm Atheros, Inc.
   4  * Copyright (c) 2018-2019, 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_H
  11 #define DPP_H
  12
  13 #include <openssl/x509.h>
  14
  15 #include "utils/list.h"
  16 #include "common/wpa_common.h"
  17 #include "crypto/sha256.h"
  18
  19 #define DPP_HDR_LEN (4 + 2) /* OUI, OUI Type, Crypto Suite, DPP frame type */
  20
  21 enum dpp_public_action_frame_type {
  22         DPP_PA_AUTHENTICATION_REQ = 0,
  23         DPP_PA_AUTHENTICATION_RESP = 1,
  24         DPP_PA_AUTHENTICATION_CONF = 2,
  25         DPP_PA_PEER_DISCOVERY_REQ = 5,
  26         DPP_PA_PEER_DISCOVERY_RESP = 6,
  27         DPP_PA_PKEX_EXCHANGE_REQ = 7,
  28         DPP_PA_PKEX_EXCHANGE_RESP = 8,
  29         DPP_PA_PKEX_COMMIT_REVEAL_REQ = 9,
  30         DPP_PA_PKEX_COMMIT_REVEAL_RESP = 10,
  31         DPP_PA_CONFIGURATION_RESULT = 11,
  32 };
  33
  34 enum dpp_attribute_id {
  35         DPP_ATTR_STATUS = 0x1000,
  36         DPP_ATTR_I_BOOTSTRAP_KEY_HASH = 0x1001,
  37         DPP_ATTR_R_BOOTSTRAP_KEY_HASH = 0x1002,
  38         DPP_ATTR_I_PROTOCOL_KEY = 0x1003,
  39         DPP_ATTR_WRAPPED_DATA = 0x1004,
  40         DPP_ATTR_I_NONCE = 0x1005,
  41         DPP_ATTR_I_CAPABILITIES = 0x1006,
  42         DPP_ATTR_R_NONCE = 0x1007,
  43         DPP_ATTR_R_CAPABILITIES = 0x1008,
  44         DPP_ATTR_R_PROTOCOL_KEY = 0x1009,
  45         DPP_ATTR_I_AUTH_TAG = 0x100A,
  46         DPP_ATTR_R_AUTH_TAG = 0x100B,
  47         DPP_ATTR_CONFIG_OBJ = 0x100C,
  48         DPP_ATTR_CONNECTOR = 0x100D,
  49         DPP_ATTR_CONFIG_ATTR_OBJ = 0x100E,
  50         DPP_ATTR_BOOTSTRAP_KEY = 0x100F,
  51         DPP_ATTR_OWN_NET_NK_HASH = 0x1011,
  52         DPP_ATTR_FINITE_CYCLIC_GROUP = 0x1012,
  53         DPP_ATTR_ENCRYPTED_KEY = 0x1013,
  54         DPP_ATTR_ENROLLEE_NONCE = 0x1014,
  55         DPP_ATTR_CODE_IDENTIFIER = 0x1015,
  56         DPP_ATTR_TRANSACTION_ID = 0x1016,
  57         DPP_ATTR_BOOTSTRAP_INFO = 0x1017,
  58         DPP_ATTR_CHANNEL = 0x1018,
  59         DPP_ATTR_PROTOCOL_VERSION = 0x1019,
  60         DPP_ATTR_ENVELOPED_DATA = 0x101A,
  61 };
  62
  63 enum dpp_status_error {
  64         DPP_STATUS_OK = 0,
  65         DPP_STATUS_NOT_COMPATIBLE = 1,
  66         DPP_STATUS_AUTH_FAILURE = 2,
  67         DPP_STATUS_UNWRAP_FAILURE = 3,
  68         DPP_STATUS_BAD_GROUP = 4,
  69         DPP_STATUS_CONFIGURE_FAILURE = 5,
  70         DPP_STATUS_RESPONSE_PENDING = 6,
  71         DPP_STATUS_INVALID_CONNECTOR = 7,
  72         DPP_STATUS_NO_MATCH = 8,
  73         DPP_STATUS_CONFIG_REJECTED = 9,
  74 };
  75
  76 #define DPP_CAPAB_ENROLLEE BIT(0)
  77 #define DPP_CAPAB_CONFIGURATOR BIT(1)
  78 #define DPP_CAPAB_ROLE_MASK (BIT(0) | BIT(1))
  79
  80 #define DPP_BOOTSTRAP_MAX_FREQ 30
  81 #define DPP_MAX_NONCE_LEN 32
  82 #define DPP_MAX_HASH_LEN 64
  83 #define DPP_MAX_SHARED_SECRET_LEN 66
  84
  85 struct dpp_curve_params {
  86         const char *name;
  87         size_t hash_len;
  88         size_t aes_siv_key_len;
  89         size_t nonce_len;
  90         size_t prime_len;
  91         const char *jwk_crv;
  92         u16 ike_group;
  93         const char *jws_alg;
  94 };
  95
  96 enum dpp_bootstrap_type {
  97         DPP_BOOTSTRAP_QR_CODE,
  98         DPP_BOOTSTRAP_PKEX,
  99 };
 100
 101 struct dpp_bootstrap_info {
 102         struct dl_list list;
 103         unsigned int id;
 104         enum dpp_bootstrap_type type;
 105         char *uri;
 106         u8 mac_addr[ETH_ALEN];
 107         char *info;
 108         unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ];
 109         unsigned int num_freq;
 110         int own;
 111         EVP_PKEY *pubkey;
 112         u8 pubkey_hash[SHA256_MAC_LEN];
 113         const struct dpp_curve_params *curve;
 114         unsigned int pkex_t; /* number of failures before dpp_pkex
 115                               * instantiation */
 116 };
 117
 118 #define PKEX_COUNTER_T_LIMIT 5
 119
 120 struct dpp_pkex {
 121         void *msg_ctx;
 122         unsigned int initiator:1;
 123         unsigned int exchange_done:1;
 124         unsigned int failed:1;
 125         struct dpp_bootstrap_info *own_bi;
 126         u8 own_mac[ETH_ALEN];
 127         u8 peer_mac[ETH_ALEN];
 128         char *identifier;
 129         char *code;
 130         EVP_PKEY *x;
 131         EVP_PKEY *y;
 132         u8 Mx[DPP_MAX_SHARED_SECRET_LEN];
 133         u8 Nx[DPP_MAX_SHARED_SECRET_LEN];
 134         u8 z[DPP_MAX_HASH_LEN];
 135         EVP_PKEY *peer_bootstrap_key;
 136         struct wpabuf *exchange_req;
 137         struct wpabuf *exchange_resp;
 138         unsigned int t; /* number of failures on code use */
 139         unsigned int exch_req_wait_time;
 140         unsigned int exch_req_tries;
 141         unsigned int freq;
 142 };
 143
 144 enum dpp_akm {
 145         DPP_AKM_UNKNOWN,
 146         DPP_AKM_DPP,
 147         DPP_AKM_PSK,
 148         DPP_AKM_SAE,
 149         DPP_AKM_PSK_SAE
 150 };
 151
 152 struct dpp_configuration {
 153         u8 ssid[32];
 154         size_t ssid_len;
 155         enum dpp_akm akm;
 156
 157         /* For DPP configuration (connector) */
 158         os_time_t netaccesskey_expiry;
 159
 160         /* TODO: groups */
 161         char *group_id;
 162
 163         /* For legacy configuration */
 164         char *passphrase;
 165         u8 psk[32];
 166         int psk_set;
 167 };
 168
 169 struct dpp_authentication {
 170         void *msg_ctx;
 171         u8 peer_version;
 172         const struct dpp_curve_params *curve;
 173         struct dpp_bootstrap_info *peer_bi;
 174         struct dpp_bootstrap_info *own_bi;
 175         struct dpp_bootstrap_info *tmp_own_bi;
 176         u8 waiting_pubkey_hash[SHA256_MAC_LEN];
 177         int response_pending;
 178         enum dpp_status_error auth_resp_status;
 179         enum dpp_status_error conf_resp_status;
 180         u8 peer_mac_addr[ETH_ALEN];
 181         u8 i_nonce[DPP_MAX_NONCE_LEN];
 182         u8 r_nonce[DPP_MAX_NONCE_LEN];
 183         u8 e_nonce[DPP_MAX_NONCE_LEN];
 184         u8 i_capab;
 185         u8 r_capab;
 186         EVP_PKEY *own_protocol_key;
 187         EVP_PKEY *peer_protocol_key;
 188         struct wpabuf *req_msg;
 189         struct wpabuf *resp_msg;
 190         /* Intersection of possible frequencies for initiating DPP
 191          * Authentication exchange */
 192         unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ];
 193         unsigned int num_freq, freq_idx;
 194         unsigned int curr_freq;
 195         unsigned int neg_freq;
 196         unsigned int num_freq_iters;
 197         size_t secret_len;
 198         u8 Mx[DPP_MAX_SHARED_SECRET_LEN];
 199         size_t Mx_len;
 200         u8 Nx[DPP_MAX_SHARED_SECRET_LEN];
 201         size_t Nx_len;
 202         u8 Lx[DPP_MAX_SHARED_SECRET_LEN];
 203         size_t Lx_len;
 204         u8 k1[DPP_MAX_HASH_LEN];
 205         u8 k2[DPP_MAX_HASH_LEN];
 206         u8 ke[DPP_MAX_HASH_LEN];
 207         int initiator;
 208         int waiting_auth_resp;
 209         int waiting_auth_conf;
 210         int auth_req_ack;
 211         unsigned int auth_resp_tries;
 212         u8 allowed_roles;
 213         int configurator;
 214         int remove_on_tx_status;
 215         int connect_on_tx_status;
 216         int waiting_conf_result;
 217         int auth_success;
 218         struct wpabuf *conf_req;
 219         const struct wpabuf *conf_resp; /* owned by GAS server */
 220         struct dpp_configuration *conf_ap;
 221         struct dpp_configuration *conf_sta;
 222         struct dpp_configurator *conf;
 223         char *connector; /* received signedConnector */
 224         u8 ssid[SSID_MAX_LEN];
 225         u8 ssid_len;
 226         char passphrase[64];
 227         u8 psk[PMK_LEN];
 228         int psk_set;
 229         enum dpp_akm akm;
 230         struct wpabuf *net_access_key;
 231         os_time_t net_access_key_expiry;
 232         struct wpabuf *c_sign_key;
 233 #ifdef CONFIG_TESTING_OPTIONS
 234         char *config_obj_override;
 235         char *discovery_override;
 236         char *groups_override;
 237         unsigned int ignore_netaccesskey_mismatch:1;
 238 #endif /* CONFIG_TESTING_OPTIONS */
 239 };
 240
 241 struct dpp_configurator {
 242         struct dl_list list;
 243         unsigned int id;
 244         int own;
 245         EVP_PKEY *csign;
 246         char *kid;
 247         const struct dpp_curve_params *curve;
 248 };
 249
 250 struct dpp_introduction {
 251         u8 pmkid[PMKID_LEN];
 252         u8 pmk[PMK_LEN_MAX];
 253         size_t pmk_len;
 254 };
 255
 256 #ifdef CONFIG_TESTING_OPTIONS
 257 enum dpp_test_behavior {
 258         DPP_TEST_DISABLED = 0,
 259         DPP_TEST_AFTER_WRAPPED_DATA_AUTH_REQ = 1,
 260         DPP_TEST_AFTER_WRAPPED_DATA_AUTH_RESP = 2,
 261         DPP_TEST_AFTER_WRAPPED_DATA_AUTH_CONF = 3,
 262         DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_REQ = 4,
 263         DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_RESP = 5,
 264         DPP_TEST_AFTER_WRAPPED_DATA_CONF_REQ = 6,
 265         DPP_TEST_AFTER_WRAPPED_DATA_CONF_RESP = 7,
 266         DPP_TEST_ZERO_I_CAPAB = 8,
 267         DPP_TEST_ZERO_R_CAPAB = 9,
 268         DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 10,
 269         DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 11,
 270         DPP_TEST_NO_I_PROTO_KEY_AUTH_REQ = 12,
 271         DPP_TEST_NO_I_NONCE_AUTH_REQ = 13,
 272         DPP_TEST_NO_I_CAPAB_AUTH_REQ = 14,
 273         DPP_TEST_NO_WRAPPED_DATA_AUTH_REQ = 15,
 274         DPP_TEST_NO_STATUS_AUTH_RESP = 16,
 275         DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 17,
 276         DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 18,
 277         DPP_TEST_NO_R_PROTO_KEY_AUTH_RESP = 19,
 278         DPP_TEST_NO_R_NONCE_AUTH_RESP = 20,
 279         DPP_TEST_NO_I_NONCE_AUTH_RESP = 21,
 280         DPP_TEST_NO_R_CAPAB_AUTH_RESP = 22,
 281         DPP_TEST_NO_R_AUTH_AUTH_RESP = 23,
 282         DPP_TEST_NO_WRAPPED_DATA_AUTH_RESP = 24,
 283         DPP_TEST_NO_STATUS_AUTH_CONF = 25,
 284         DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 26,
 285         DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 27,
 286         DPP_TEST_NO_I_AUTH_AUTH_CONF = 28,
 287         DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF = 29,
 288         DPP_TEST_I_NONCE_MISMATCH_AUTH_RESP = 30,
 289         DPP_TEST_INCOMPATIBLE_R_CAPAB_AUTH_RESP = 31,
 290         DPP_TEST_R_AUTH_MISMATCH_AUTH_RESP = 32,
 291         DPP_TEST_I_AUTH_MISMATCH_AUTH_CONF = 33,
 292         DPP_TEST_NO_FINITE_CYCLIC_GROUP_PKEX_EXCHANGE_REQ = 34,
 293         DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 35,
 294         DPP_TEST_NO_STATUS_PKEX_EXCHANGE_RESP = 36,
 295         DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 37,
 296         DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_REQ = 38,
 297         DPP_TEST_NO_I_AUTH_TAG_PKEX_CR_REQ = 39,
 298         DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_REQ = 40,
 299         DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_RESP = 41,
 300         DPP_TEST_NO_R_AUTH_TAG_PKEX_CR_RESP = 42,
 301         DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_RESP = 43,
 302         DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 44,
 303         DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 45,
 304         DPP_TEST_INVALID_STATUS_PKEX_EXCHANGE_RESP = 46,
 305         DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_REQ = 47,
 306         DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_RESP = 48,
 307         DPP_TEST_I_AUTH_TAG_MISMATCH_PKEX_CR_REQ = 49,
 308         DPP_TEST_R_AUTH_TAG_MISMATCH_PKEX_CR_RESP = 50,
 309         DPP_TEST_NO_E_NONCE_CONF_REQ = 51,
 310         DPP_TEST_NO_CONFIG_ATTR_OBJ_CONF_REQ = 52,
 311         DPP_TEST_NO_WRAPPED_DATA_CONF_REQ = 53,
 312         DPP_TEST_NO_E_NONCE_CONF_RESP = 54,
 313         DPP_TEST_NO_CONFIG_OBJ_CONF_RESP = 55,
 314         DPP_TEST_NO_STATUS_CONF_RESP = 56,
 315         DPP_TEST_NO_WRAPPED_DATA_CONF_RESP = 57,
 316         DPP_TEST_INVALID_STATUS_CONF_RESP = 58,
 317         DPP_TEST_E_NONCE_MISMATCH_CONF_RESP = 59,
 318         DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ = 60,
 319         DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ = 61,
 320         DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_RESP = 62,
 321         DPP_TEST_NO_STATUS_PEER_DISC_RESP = 63,
 322         DPP_TEST_NO_CONNECTOR_PEER_DISC_RESP = 64,
 323         DPP_TEST_AUTH_RESP_IN_PLACE_OF_CONF = 65,
 324         DPP_TEST_INVALID_I_PROTO_KEY_AUTH_REQ = 66,
 325         DPP_TEST_INVALID_R_PROTO_KEY_AUTH_RESP = 67,
 326         DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 68,
 327         DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 69,
 328         DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 70,
 329         DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 71,
 330         DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 72,
 331         DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 73,
 332         DPP_TEST_INVALID_STATUS_AUTH_RESP = 74,
 333         DPP_TEST_INVALID_STATUS_AUTH_CONF = 75,
 334         DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ = 76,
 335         DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_RESP = 77,
 336         DPP_TEST_INVALID_STATUS_PEER_DISC_RESP = 78,
 337         DPP_TEST_INVALID_CONNECTOR_PEER_DISC_RESP = 79,
 338         DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ = 80,
 339         DPP_TEST_INVALID_I_NONCE_AUTH_REQ = 81,
 340         DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ = 82,
 341         DPP_TEST_INVALID_E_NONCE_CONF_REQ = 83,
 342         DPP_TEST_STOP_AT_PKEX_EXCHANGE_RESP = 84,
 343         DPP_TEST_STOP_AT_PKEX_CR_REQ = 85,
 344         DPP_TEST_STOP_AT_PKEX_CR_RESP = 86,
 345         DPP_TEST_STOP_AT_AUTH_REQ = 87,
 346         DPP_TEST_STOP_AT_AUTH_RESP = 88,
 347         DPP_TEST_STOP_AT_AUTH_CONF = 89,
 348         DPP_TEST_STOP_AT_CONF_REQ = 90,
 349         DPP_TEST_REJECT_CONFIG = 91,
 350 };
 351
 352 extern enum dpp_test_behavior dpp_test;
 353 extern u8 dpp_pkex_own_mac_override[ETH_ALEN];
 354 extern u8 dpp_pkex_peer_mac_override[ETH_ALEN];
 355 extern u8 dpp_pkex_ephemeral_key_override[600];
 356 extern size_t dpp_pkex_ephemeral_key_override_len;
 357 extern u8 dpp_protocol_key_override[600];
 358 extern size_t dpp_protocol_key_override_len;
 359 extern u8 dpp_nonce_override[DPP_MAX_NONCE_LEN];
 360 extern size_t dpp_nonce_override_len;
 361 #endif /* CONFIG_TESTING_OPTIONS */
 362
 363 void dpp_bootstrap_info_free(struct dpp_bootstrap_info *info);
 364 const char * dpp_bootstrap_type_txt(enum dpp_bootstrap_type type);
 365 int dpp_bootstrap_key_hash(struct dpp_bootstrap_info *bi);
 366 int dpp_parse_uri_chan_list(struct dpp_bootstrap_info *bi,
 367                             const char *chan_list);
 368 int dpp_parse_uri_mac(struct dpp_bootstrap_info *bi, const char *mac);
 369 int dpp_parse_uri_info(struct dpp_bootstrap_info *bi, const char *info);
 370 struct dpp_bootstrap_info * dpp_parse_qr_code(const char *uri);
 371 char * dpp_keygen(struct dpp_bootstrap_info *bi, const char *curve,
 372                   const u8 *privkey, size_t privkey_len);
 373 struct hostapd_hw_modes;
 374 struct dpp_authentication * dpp_auth_init(void *msg_ctx,
 375                                           struct dpp_bootstrap_info *peer_bi,
 376                                           struct dpp_bootstrap_info *own_bi,
 377                                           u8 dpp_allowed_roles,
 378                                           unsigned int neg_freq,
 379                                           struct hostapd_hw_modes *own_modes,
 380                                           u16 num_modes);
 381 struct dpp_authentication *
 382 dpp_auth_req_rx(void *msg_ctx, u8 dpp_allowed_roles, int qr_mutual,
 383                 struct dpp_bootstrap_info *peer_bi,
 384                 struct dpp_bootstrap_info *own_bi,
 385                 unsigned int freq, const u8 *hdr, const u8 *attr_start,
 386                 size_t attr_len);
 387 struct wpabuf *
 388 dpp_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr,
 389                  const u8 *attr_start, size_t attr_len);
 390 struct wpabuf * dpp_build_conf_req(struct dpp_authentication *auth,
 391                                    const char *json);
 392 int dpp_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr,
 393                      const u8 *attr_start, size_t attr_len);
 394 int dpp_notify_new_qr_code(struct dpp_authentication *auth,
 395                            struct dpp_bootstrap_info *peer_bi);
 396 struct dpp_configuration * dpp_configuration_alloc(const char *type);
 397 int dpp_configuration_valid(const struct dpp_configuration *conf);
 398 void dpp_configuration_free(struct dpp_configuration *conf);
 399 int dpp_configuration_parse(struct dpp_authentication *auth, const char *cmd);
 400 void dpp_auth_deinit(struct dpp_authentication *auth);
 401 struct wpabuf *
 402 dpp_conf_req_rx(struct dpp_authentication *auth, const u8 *attr_start,
 403                 size_t attr_len);
 404 int dpp_conf_resp_rx(struct dpp_authentication *auth,
 405                      const struct wpabuf *resp);
 406 enum dpp_status_error dpp_conf_result_rx(struct dpp_authentication *auth,
 407                                          const u8 *hdr,
 408                                          const u8 *attr_start, size_t attr_len);
 409 struct wpabuf * dpp_build_conf_result(struct dpp_authentication *auth,
 410                                       enum dpp_status_error status);
 411 struct wpabuf * dpp_alloc_msg(enum dpp_public_action_frame_type type,
 412                               size_t len);
 413 const u8 * dpp_get_attr(const u8 *buf, size_t len, u16 req_id, u16 *ret_len);
 414 int dpp_check_attrs(const u8 *buf, size_t len);
 415 int dpp_key_expired(const char *timestamp, os_time_t *expiry);
 416 const char * dpp_akm_str(enum dpp_akm akm);
 417 int dpp_configurator_get_key(const struct dpp_configurator *conf, char *buf,
 418                              size_t buflen);
 419 void dpp_configurator_free(struct dpp_configurator *conf);
 420 struct dpp_configurator *
 421 dpp_keygen_configurator(const char *curve, const u8 *privkey,
 422                         size_t privkey_len);
 423 int dpp_configurator_own_config(struct dpp_authentication *auth,
 424                                 const char *curve, int ap);
 425 enum dpp_status_error
 426 dpp_peer_intro(struct dpp_introduction *intro, const char *own_connector,
 427                const u8 *net_access_key, size_t net_access_key_len,
 428                const u8 *csign_key, size_t csign_key_len,
 429                const u8 *peer_connector, size_t peer_connector_len,
 430                os_time_t *expiry);
 431 struct dpp_pkex * dpp_pkex_init(void *msg_ctx, struct dpp_bootstrap_info *bi,
 432                                 const u8 *own_mac,
 433                                 const char *identifier,
 434                                 const char *code);
 435 struct dpp_pkex * dpp_pkex_rx_exchange_req(void *msg_ctx,
 436                                            struct dpp_bootstrap_info *bi,
 437                                            const u8 *own_mac,
 438                                            const u8 *peer_mac,
 439                                            const char *identifier,
 440                                            const char *code,
 441                                            const u8 *buf, size_t len);
 442 struct wpabuf * dpp_pkex_rx_exchange_resp(struct dpp_pkex *pkex,
 443                                           const u8 *peer_mac,
 444                                           const u8 *buf, size_t len);
 445 struct wpabuf * dpp_pkex_rx_commit_reveal_req(struct dpp_pkex *pkex,
 446                                               const u8 *hdr,
 447                                               const u8 *buf, size_t len);
 448 int dpp_pkex_rx_commit_reveal_resp(struct dpp_pkex *pkex, const u8 *hdr,
 449                                    const u8 *buf, size_t len);
 450 void dpp_pkex_free(struct dpp_pkex *pkex);
 451
 452 char * dpp_corrupt_connector_signature(const char *connector);
 453
 454 #endif /* DPP_H */