8270 	struct dpp_pfs *pfs;  in dpp_pfs_init()  local
8272 	pfs = os_zalloc(sizeof(*pfs));  in dpp_pfs_init()
8273 	if (!pfs)  in dpp_pfs_init()
8276 	own_key = dpp_set_keypair(&pfs->curve, net_access_key,  in dpp_pfs_init()
8284 	pfs->ecdh = crypto_ecdh_init(pfs->curve->ike_group);  in dpp_pfs_init()
8285 	if (!pfs->ecdh)  in dpp_pfs_init()
8288 	pub = crypto_ecdh_get_pubkey(pfs->ecdh, 0);  in dpp_pfs_init()
8289 	pub = wpabuf_zeropad(pub, pfs->curve->prime_len);  in dpp_pfs_init()
8293 	pfs->ie = wpabuf_alloc(5 + wpabuf_len(pub));  in dpp_pfs_init()
8294 	if (!pfs->ie)  in dpp_pfs_init()
8296 	wpabuf_put_u8(pfs->ie, WLAN_EID_EXTENSION);  in dpp_pfs_init()
8297 	wpabuf_put_u8(pfs->ie, 1 + 2 + wpabuf_len(pub));  in dpp_pfs_init()
8298 	wpabuf_put_u8(pfs->ie, WLAN_EID_EXT_OWE_DH_PARAM);  in dpp_pfs_init()
8299 	wpabuf_put_le16(pfs->ie, pfs->curve->ike_group);  in dpp_pfs_init()
8300 	wpabuf_put_buf(pfs->ie, pub);  in dpp_pfs_init()
8303 			pfs->ie);  in dpp_pfs_init()
8305 	return pfs;  in dpp_pfs_init()
8308 	dpp_pfs_free(pfs);  in dpp_pfs_init()
8313 int dpp_pfs_process(struct dpp_pfs *pfs, const u8 *peer_ie, size_t peer_ie_len)  in dpp_pfs_process()  argument
8317 	if (WPA_GET_LE16(peer_ie) != pfs->curve->ike_group) {  in dpp_pfs_process()
8322 	pfs->secret = crypto_ecdh_set_peerkey(pfs->ecdh, 0, peer_ie + 2,  in dpp_pfs_process()
8324 	pfs->secret = wpabuf_zeropad(pfs->secret, pfs->curve->prime_len);  in dpp_pfs_process()
8325 	if (!pfs->secret) {  in dpp_pfs_process()
8329 	wpa_hexdump_buf_key(MSG_DEBUG, "DPP: DH shared secret", pfs->secret);  in dpp_pfs_process()
8334 void dpp_pfs_free(struct dpp_pfs *pfs)  in dpp_pfs_free()  argument
8336 	if (!pfs)  in dpp_pfs_free()
8338 	crypto_ecdh_deinit(pfs->ecdh);  in dpp_pfs_free()
8339 	wpabuf_free(pfs->ie);  in dpp_pfs_free()
8340 	wpabuf_clear_free(pfs->secret);  in dpp_pfs_free()
8341 	os_free(pfs);  in dpp_pfs_free()