contrib/wpa/src/common/dpp.h

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