xref: /freebsd/contrib/wpa/src/common/dpp.h (revision cddbc3b40812213ff00041f79174cac0be360a2a)
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 */
436