/*
* DPP functionality shared between hostapd and wpa_supplicant
* Copyright (c) 2017, Qualcomm Atheros, Inc.
+ * Copyright (c) 2018-2019, The Linux Foundation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
#include <openssl/x509.h>
#include "utils/list.h"
+#include "common/wpa_common.h"
#include "crypto/sha256.h"
+struct crypto_ecdh;
+
+#define DPP_HDR_LEN (4 + 2) /* OUI, OUI Type, Crypto Suite, DPP frame type */
+
+enum dpp_public_action_frame_type {
+ DPP_PA_AUTHENTICATION_REQ = 0,
+ DPP_PA_AUTHENTICATION_RESP = 1,
+ DPP_PA_AUTHENTICATION_CONF = 2,
+ DPP_PA_PEER_DISCOVERY_REQ = 5,
+ DPP_PA_PEER_DISCOVERY_RESP = 6,
+ DPP_PA_PKEX_EXCHANGE_REQ = 7,
+ DPP_PA_PKEX_EXCHANGE_RESP = 8,
+ DPP_PA_PKEX_COMMIT_REVEAL_REQ = 9,
+ DPP_PA_PKEX_COMMIT_REVEAL_RESP = 10,
+ DPP_PA_CONFIGURATION_RESULT = 11,
+};
+
+enum dpp_attribute_id {
+ DPP_ATTR_STATUS = 0x1000,
+ DPP_ATTR_I_BOOTSTRAP_KEY_HASH = 0x1001,
+ DPP_ATTR_R_BOOTSTRAP_KEY_HASH = 0x1002,
+ DPP_ATTR_I_PROTOCOL_KEY = 0x1003,
+ DPP_ATTR_WRAPPED_DATA = 0x1004,
+ DPP_ATTR_I_NONCE = 0x1005,
+ DPP_ATTR_I_CAPABILITIES = 0x1006,
+ DPP_ATTR_R_NONCE = 0x1007,
+ DPP_ATTR_R_CAPABILITIES = 0x1008,
+ DPP_ATTR_R_PROTOCOL_KEY = 0x1009,
+ DPP_ATTR_I_AUTH_TAG = 0x100A,
+ DPP_ATTR_R_AUTH_TAG = 0x100B,
+ DPP_ATTR_CONFIG_OBJ = 0x100C,
+ DPP_ATTR_CONNECTOR = 0x100D,
+ DPP_ATTR_CONFIG_ATTR_OBJ = 0x100E,
+ DPP_ATTR_BOOTSTRAP_KEY = 0x100F,
+ DPP_ATTR_OWN_NET_NK_HASH = 0x1011,
+ DPP_ATTR_FINITE_CYCLIC_GROUP = 0x1012,
+ DPP_ATTR_ENCRYPTED_KEY = 0x1013,
+ DPP_ATTR_ENROLLEE_NONCE = 0x1014,
+ DPP_ATTR_CODE_IDENTIFIER = 0x1015,
+ DPP_ATTR_TRANSACTION_ID = 0x1016,
+ DPP_ATTR_BOOTSTRAP_INFO = 0x1017,
+ DPP_ATTR_CHANNEL = 0x1018,
+ DPP_ATTR_PROTOCOL_VERSION = 0x1019,
+ DPP_ATTR_ENVELOPED_DATA = 0x101A,
+};
+
+enum dpp_status_error {
+ DPP_STATUS_OK = 0,
+ DPP_STATUS_NOT_COMPATIBLE = 1,
+ DPP_STATUS_AUTH_FAILURE = 2,
+ DPP_STATUS_UNWRAP_FAILURE = 3,
+ DPP_STATUS_BAD_GROUP = 4,
+ DPP_STATUS_CONFIGURE_FAILURE = 5,
+ DPP_STATUS_RESPONSE_PENDING = 6,
+ DPP_STATUS_INVALID_CONNECTOR = 7,
+ DPP_STATUS_NO_MATCH = 8,
+ DPP_STATUS_CONFIG_REJECTED = 9,
+};
+
+#define DPP_CAPAB_ENROLLEE BIT(0)
+#define DPP_CAPAB_CONFIGURATOR BIT(1)
+#define DPP_CAPAB_ROLE_MASK (BIT(0) | BIT(1))
+
#define DPP_BOOTSTRAP_MAX_FREQ 30
+#define DPP_MAX_NONCE_LEN 32
+#define DPP_MAX_HASH_LEN 64
+#define DPP_MAX_SHARED_SECRET_LEN 66
struct dpp_curve_params {
const char *name;
size_t nonce_len;
size_t prime_len;
const char *jwk_crv;
+ u16 ike_group;
+ const char *jws_alg;
};
enum dpp_bootstrap_type {
DPP_BOOTSTRAP_QR_CODE,
+ DPP_BOOTSTRAP_PKEX,
};
struct dpp_bootstrap_info {
EVP_PKEY *pubkey;
u8 pubkey_hash[SHA256_MAC_LEN];
const struct dpp_curve_params *curve;
+ unsigned int pkex_t; /* number of failures before dpp_pkex
+ * instantiation */
+};
+
+#define PKEX_COUNTER_T_LIMIT 5
+
+struct dpp_pkex {
+ void *msg_ctx;
+ unsigned int initiator:1;
+ unsigned int exchange_done:1;
+ unsigned int failed:1;
+ struct dpp_bootstrap_info *own_bi;
+ u8 own_mac[ETH_ALEN];
+ u8 peer_mac[ETH_ALEN];
+ char *identifier;
+ char *code;
+ EVP_PKEY *x;
+ EVP_PKEY *y;
+ u8 Mx[DPP_MAX_SHARED_SECRET_LEN];
+ u8 Nx[DPP_MAX_SHARED_SECRET_LEN];
+ u8 z[DPP_MAX_HASH_LEN];
+ EVP_PKEY *peer_bootstrap_key;
+ struct wpabuf *exchange_req;
+ struct wpabuf *exchange_resp;
+ unsigned int t; /* number of failures on code use */
+ unsigned int exch_req_wait_time;
+ unsigned int exch_req_tries;
+ unsigned int freq;
+};
+
+enum dpp_akm {
+ DPP_AKM_UNKNOWN,
+ DPP_AKM_DPP,
+ DPP_AKM_PSK,
+ DPP_AKM_SAE,
+ DPP_AKM_PSK_SAE,
+ DPP_AKM_SAE_DPP,
+ DPP_AKM_PSK_SAE_DPP,
+};
+
+struct dpp_configuration {
+ u8 ssid[32];
+ size_t ssid_len;
+ enum dpp_akm akm;
+
+ /* For DPP configuration (connector) */
+ os_time_t netaccesskey_expiry;
+
+ /* TODO: groups */
+ char *group_id;
+
+ /* For legacy configuration */
+ char *passphrase;
+ u8 psk[32];
+ int psk_set;
+};
+
+struct dpp_authentication {
+ void *msg_ctx;
+ u8 peer_version;
+ const struct dpp_curve_params *curve;
+ struct dpp_bootstrap_info *peer_bi;
+ struct dpp_bootstrap_info *own_bi;
+ struct dpp_bootstrap_info *tmp_own_bi;
+ u8 waiting_pubkey_hash[SHA256_MAC_LEN];
+ int response_pending;
+ enum dpp_status_error auth_resp_status;
+ enum dpp_status_error conf_resp_status;
+ u8 peer_mac_addr[ETH_ALEN];
+ u8 i_nonce[DPP_MAX_NONCE_LEN];
+ u8 r_nonce[DPP_MAX_NONCE_LEN];
+ u8 e_nonce[DPP_MAX_NONCE_LEN];
+ u8 i_capab;
+ u8 r_capab;
+ EVP_PKEY *own_protocol_key;
+ EVP_PKEY *peer_protocol_key;
+ struct wpabuf *req_msg;
+ struct wpabuf *resp_msg;
+ /* Intersection of possible frequencies for initiating DPP
+ * Authentication exchange */
+ unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ];
+ unsigned int num_freq, freq_idx;
+ unsigned int curr_freq;
+ unsigned int neg_freq;
+ unsigned int num_freq_iters;
+ size_t secret_len;
+ u8 Mx[DPP_MAX_SHARED_SECRET_LEN];
+ size_t Mx_len;
+ u8 Nx[DPP_MAX_SHARED_SECRET_LEN];
+ size_t Nx_len;
+ u8 Lx[DPP_MAX_SHARED_SECRET_LEN];
+ size_t Lx_len;
+ u8 k1[DPP_MAX_HASH_LEN];
+ u8 k2[DPP_MAX_HASH_LEN];
+ u8 ke[DPP_MAX_HASH_LEN];
+ int initiator;
+ int waiting_auth_resp;
+ int waiting_auth_conf;
+ int auth_req_ack;
+ unsigned int auth_resp_tries;
+ u8 allowed_roles;
+ int configurator;
+ int remove_on_tx_status;
+ int connect_on_tx_status;
+ int waiting_conf_result;
+ int auth_success;
+ struct wpabuf *conf_req;
+ const struct wpabuf *conf_resp; /* owned by GAS server */
+ struct dpp_configuration *conf_ap;
+ struct dpp_configuration *conf_sta;
+ struct dpp_configurator *conf;
+ char *connector; /* received signedConnector */
+ u8 ssid[SSID_MAX_LEN];
+ u8 ssid_len;
+ char passphrase[64];
+ u8 psk[PMK_LEN];
+ int psk_set;
+ enum dpp_akm akm;
+ struct wpabuf *net_access_key;
+ os_time_t net_access_key_expiry;
+ struct wpabuf *c_sign_key;
+#ifdef CONFIG_TESTING_OPTIONS
+ char *config_obj_override;
+ char *discovery_override;
+ char *groups_override;
+ unsigned int ignore_netaccesskey_mismatch:1;
+#endif /* CONFIG_TESTING_OPTIONS */
+};
+
+struct dpp_configurator {
+ struct dl_list list;
+ unsigned int id;
+ int own;
+ EVP_PKEY *csign;
+ char *kid;
+ const struct dpp_curve_params *curve;
+};
+
+struct dpp_introduction {
+ u8 pmkid[PMKID_LEN];
+ u8 pmk[PMK_LEN_MAX];
+ size_t pmk_len;
+};
+
+#ifdef CONFIG_TESTING_OPTIONS
+enum dpp_test_behavior {
+ DPP_TEST_DISABLED = 0,
+ DPP_TEST_AFTER_WRAPPED_DATA_AUTH_REQ = 1,
+ DPP_TEST_AFTER_WRAPPED_DATA_AUTH_RESP = 2,
+ DPP_TEST_AFTER_WRAPPED_DATA_AUTH_CONF = 3,
+ DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_REQ = 4,
+ DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_RESP = 5,
+ DPP_TEST_AFTER_WRAPPED_DATA_CONF_REQ = 6,
+ DPP_TEST_AFTER_WRAPPED_DATA_CONF_RESP = 7,
+ DPP_TEST_ZERO_I_CAPAB = 8,
+ DPP_TEST_ZERO_R_CAPAB = 9,
+ DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 10,
+ DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 11,
+ DPP_TEST_NO_I_PROTO_KEY_AUTH_REQ = 12,
+ DPP_TEST_NO_I_NONCE_AUTH_REQ = 13,
+ DPP_TEST_NO_I_CAPAB_AUTH_REQ = 14,
+ DPP_TEST_NO_WRAPPED_DATA_AUTH_REQ = 15,
+ DPP_TEST_NO_STATUS_AUTH_RESP = 16,
+ DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 17,
+ DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 18,
+ DPP_TEST_NO_R_PROTO_KEY_AUTH_RESP = 19,
+ DPP_TEST_NO_R_NONCE_AUTH_RESP = 20,
+ DPP_TEST_NO_I_NONCE_AUTH_RESP = 21,
+ DPP_TEST_NO_R_CAPAB_AUTH_RESP = 22,
+ DPP_TEST_NO_R_AUTH_AUTH_RESP = 23,
+ DPP_TEST_NO_WRAPPED_DATA_AUTH_RESP = 24,
+ DPP_TEST_NO_STATUS_AUTH_CONF = 25,
+ DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 26,
+ DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 27,
+ DPP_TEST_NO_I_AUTH_AUTH_CONF = 28,
+ DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF = 29,
+ DPP_TEST_I_NONCE_MISMATCH_AUTH_RESP = 30,
+ DPP_TEST_INCOMPATIBLE_R_CAPAB_AUTH_RESP = 31,
+ DPP_TEST_R_AUTH_MISMATCH_AUTH_RESP = 32,
+ DPP_TEST_I_AUTH_MISMATCH_AUTH_CONF = 33,
+ DPP_TEST_NO_FINITE_CYCLIC_GROUP_PKEX_EXCHANGE_REQ = 34,
+ DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 35,
+ DPP_TEST_NO_STATUS_PKEX_EXCHANGE_RESP = 36,
+ DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 37,
+ DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_REQ = 38,
+ DPP_TEST_NO_I_AUTH_TAG_PKEX_CR_REQ = 39,
+ DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_REQ = 40,
+ DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_RESP = 41,
+ DPP_TEST_NO_R_AUTH_TAG_PKEX_CR_RESP = 42,
+ DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_RESP = 43,
+ DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 44,
+ DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 45,
+ DPP_TEST_INVALID_STATUS_PKEX_EXCHANGE_RESP = 46,
+ DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_REQ = 47,
+ DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_RESP = 48,
+ DPP_TEST_I_AUTH_TAG_MISMATCH_PKEX_CR_REQ = 49,
+ DPP_TEST_R_AUTH_TAG_MISMATCH_PKEX_CR_RESP = 50,
+ DPP_TEST_NO_E_NONCE_CONF_REQ = 51,
+ DPP_TEST_NO_CONFIG_ATTR_OBJ_CONF_REQ = 52,
+ DPP_TEST_NO_WRAPPED_DATA_CONF_REQ = 53,
+ DPP_TEST_NO_E_NONCE_CONF_RESP = 54,
+ DPP_TEST_NO_CONFIG_OBJ_CONF_RESP = 55,
+ DPP_TEST_NO_STATUS_CONF_RESP = 56,
+ DPP_TEST_NO_WRAPPED_DATA_CONF_RESP = 57,
+ DPP_TEST_INVALID_STATUS_CONF_RESP = 58,
+ DPP_TEST_E_NONCE_MISMATCH_CONF_RESP = 59,
+ DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ = 60,
+ DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ = 61,
+ DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_RESP = 62,
+ DPP_TEST_NO_STATUS_PEER_DISC_RESP = 63,
+ DPP_TEST_NO_CONNECTOR_PEER_DISC_RESP = 64,
+ DPP_TEST_AUTH_RESP_IN_PLACE_OF_CONF = 65,
+ DPP_TEST_INVALID_I_PROTO_KEY_AUTH_REQ = 66,
+ DPP_TEST_INVALID_R_PROTO_KEY_AUTH_RESP = 67,
+ DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 68,
+ DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 69,
+ DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 70,
+ DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 71,
+ DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 72,
+ DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 73,
+ DPP_TEST_INVALID_STATUS_AUTH_RESP = 74,
+ DPP_TEST_INVALID_STATUS_AUTH_CONF = 75,
+ DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ = 76,
+ DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_RESP = 77,
+ DPP_TEST_INVALID_STATUS_PEER_DISC_RESP = 78,
+ DPP_TEST_INVALID_CONNECTOR_PEER_DISC_RESP = 79,
+ DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ = 80,
+ DPP_TEST_INVALID_I_NONCE_AUTH_REQ = 81,
+ DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ = 82,
+ DPP_TEST_INVALID_E_NONCE_CONF_REQ = 83,
+ DPP_TEST_STOP_AT_PKEX_EXCHANGE_RESP = 84,
+ DPP_TEST_STOP_AT_PKEX_CR_REQ = 85,
+ DPP_TEST_STOP_AT_PKEX_CR_RESP = 86,
+ DPP_TEST_STOP_AT_AUTH_REQ = 87,
+ DPP_TEST_STOP_AT_AUTH_RESP = 88,
+ DPP_TEST_STOP_AT_AUTH_CONF = 89,
+ DPP_TEST_STOP_AT_CONF_REQ = 90,
+ DPP_TEST_REJECT_CONFIG = 91,
};
+extern enum dpp_test_behavior dpp_test;
+extern u8 dpp_pkex_own_mac_override[ETH_ALEN];
+extern u8 dpp_pkex_peer_mac_override[ETH_ALEN];
+extern u8 dpp_pkex_ephemeral_key_override[600];
+extern size_t dpp_pkex_ephemeral_key_override_len;
+extern u8 dpp_protocol_key_override[600];
+extern size_t dpp_protocol_key_override_len;
+extern u8 dpp_nonce_override[DPP_MAX_NONCE_LEN];
+extern size_t dpp_nonce_override_len;
+#endif /* CONFIG_TESTING_OPTIONS */
+
void dpp_bootstrap_info_free(struct dpp_bootstrap_info *info);
+const char * dpp_bootstrap_type_txt(enum dpp_bootstrap_type type);
+int dpp_bootstrap_key_hash(struct dpp_bootstrap_info *bi);
int dpp_parse_uri_chan_list(struct dpp_bootstrap_info *bi,
const char *chan_list);
int dpp_parse_uri_mac(struct dpp_bootstrap_info *bi, const char *mac);
struct dpp_bootstrap_info * dpp_parse_qr_code(const char *uri);
char * dpp_keygen(struct dpp_bootstrap_info *bi, const char *curve,
const u8 *privkey, size_t privkey_len);
+struct hostapd_hw_modes;
+struct dpp_authentication * dpp_auth_init(void *msg_ctx,
+ struct dpp_bootstrap_info *peer_bi,
+ struct dpp_bootstrap_info *own_bi,
+ u8 dpp_allowed_roles,
+ unsigned int neg_freq,
+ struct hostapd_hw_modes *own_modes,
+ u16 num_modes);
+struct dpp_authentication *
+dpp_auth_req_rx(void *msg_ctx, u8 dpp_allowed_roles, int qr_mutual,
+ struct dpp_bootstrap_info *peer_bi,
+ struct dpp_bootstrap_info *own_bi,
+ unsigned int freq, const u8 *hdr, const u8 *attr_start,
+ size_t attr_len);
+struct wpabuf *
+dpp_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr,
+ const u8 *attr_start, size_t attr_len);
+struct wpabuf * dpp_build_conf_req(struct dpp_authentication *auth,
+ const char *json);
+int dpp_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr,
+ const u8 *attr_start, size_t attr_len);
+int dpp_notify_new_qr_code(struct dpp_authentication *auth,
+ struct dpp_bootstrap_info *peer_bi);
+struct dpp_configuration * dpp_configuration_alloc(const char *type);
+int dpp_akm_psk(enum dpp_akm akm);
+int dpp_akm_sae(enum dpp_akm akm);
+int dpp_akm_legacy(enum dpp_akm akm);
+int dpp_akm_dpp(enum dpp_akm akm);
+int dpp_akm_ver2(enum dpp_akm akm);
+int dpp_configuration_valid(const struct dpp_configuration *conf);
+void dpp_configuration_free(struct dpp_configuration *conf);
+int dpp_configuration_parse(struct dpp_authentication *auth, const char *cmd);
+void dpp_auth_deinit(struct dpp_authentication *auth);
+struct wpabuf *
+dpp_conf_req_rx(struct dpp_authentication *auth, const u8 *attr_start,
+ size_t attr_len);
+int dpp_conf_resp_rx(struct dpp_authentication *auth,
+ const struct wpabuf *resp);
+enum dpp_status_error dpp_conf_result_rx(struct dpp_authentication *auth,
+ const u8 *hdr,
+ const u8 *attr_start, size_t attr_len);
+struct wpabuf * dpp_build_conf_result(struct dpp_authentication *auth,
+ enum dpp_status_error status);
+struct wpabuf * dpp_alloc_msg(enum dpp_public_action_frame_type type,
+ size_t len);
+const u8 * dpp_get_attr(const u8 *buf, size_t len, u16 req_id, u16 *ret_len);
+int dpp_check_attrs(const u8 *buf, size_t len);
+int dpp_key_expired(const char *timestamp, os_time_t *expiry);
+const char * dpp_akm_str(enum dpp_akm akm);
+int dpp_configurator_get_key(const struct dpp_configurator *conf, char *buf,
+ size_t buflen);
+void dpp_configurator_free(struct dpp_configurator *conf);
+struct dpp_configurator *
+dpp_keygen_configurator(const char *curve, const u8 *privkey,
+ size_t privkey_len);
+int dpp_configurator_own_config(struct dpp_authentication *auth,
+ const char *curve, int ap);
+enum dpp_status_error
+dpp_peer_intro(struct dpp_introduction *intro, const char *own_connector,
+ const u8 *net_access_key, size_t net_access_key_len,
+ const u8 *csign_key, size_t csign_key_len,
+ const u8 *peer_connector, size_t peer_connector_len,
+ os_time_t *expiry);
+struct dpp_pkex * dpp_pkex_init(void *msg_ctx, struct dpp_bootstrap_info *bi,
+ const u8 *own_mac,
+ const char *identifier,
+ const char *code);
+struct dpp_pkex * dpp_pkex_rx_exchange_req(void *msg_ctx,
+ struct dpp_bootstrap_info *bi,
+ const u8 *own_mac,
+ const u8 *peer_mac,
+ const char *identifier,
+ const char *code,
+ const u8 *buf, size_t len);
+struct wpabuf * dpp_pkex_rx_exchange_resp(struct dpp_pkex *pkex,
+ const u8 *peer_mac,
+ const u8 *buf, size_t len);
+struct wpabuf * dpp_pkex_rx_commit_reveal_req(struct dpp_pkex *pkex,
+ const u8 *hdr,
+ const u8 *buf, size_t len);
+int dpp_pkex_rx_commit_reveal_resp(struct dpp_pkex *pkex, const u8 *hdr,
+ const u8 *buf, size_t len);
+void dpp_pkex_free(struct dpp_pkex *pkex);
+
+char * dpp_corrupt_connector_signature(const char *connector);
+
+
+struct dpp_pfs {
+ struct crypto_ecdh *ecdh;
+ const struct dpp_curve_params *curve;
+ struct wpabuf *ie;
+ struct wpabuf *secret;
+};
+
+struct dpp_pfs * dpp_pfs_init(const u8 *net_access_key,
+ size_t net_access_key_len);
+int dpp_pfs_process(struct dpp_pfs *pfs, const u8 *peer_ie, size_t peer_ie_len);
+void dpp_pfs_free(struct dpp_pfs *pfs);
#endif /* DPP_H */
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