1405 static int dpp_derive_k2(const u8 *Nx, size_t Nx_len, u8 *k2,  in dpp_derive_k2()  argument
1416 	res = dpp_hmac(hash_len, salt, hash_len, Nx, Nx_len, prk);  in dpp_derive_k2()
1461 	addr[num_elem] = auth->Nx;  in dpp_derive_ke()
2392 	os_memset(auth->Nx, 0, sizeof(auth->Nx));  in dpp_auth_success()
2764 	    EVP_PKEY_derive(ctx, auth->Nx, &secret_len) != 1) {  in dpp_auth_build_resp_ok()
2774 			auth->Nx, auth->secret_len);  in dpp_auth_build_resp_ok()
2777 	if (dpp_derive_k2(auth->Nx, auth->secret_len, auth->k2,  in dpp_auth_build_resp_ok()
3692 	    EVP_PKEY_derive(ctx, auth->Nx, &secret_len) != 1) {  in dpp_auth_resp_rx()
3705 			auth->Nx, auth->secret_len);  in dpp_auth_resp_rx()
3708 	if (dpp_derive_k2(auth->Nx, auth->secret_len, auth->k2,  in dpp_auth_resp_rx()
6282 static int dpp_derive_pmk(const u8 *Nx, size_t Nx_len, u8 *pmk,  in dpp_derive_pmk()  argument
6293 	if (dpp_hmac(hash_len, salt, hash_len, Nx, Nx_len, prk) < 0)  in dpp_derive_pmk()
6372 	u8 Nx[DPP_MAX_SHARED_SECRET_LEN];  in dpp_peer_intro()  local
6490 	    EVP_PKEY_derive(ctx, Nx, &Nx_len) != 1) {  in dpp_peer_intro()
6498 			Nx, Nx_len);  in dpp_peer_intro()
6501 	if (dpp_derive_pmk(Nx, Nx_len, intro->pmk, curve->hash_len) < 0) {  in dpp_peer_intro()
6517 	os_memset(Nx, 0, sizeof(Nx));  in dpp_peer_intro()
6990 			     const BIGNUM *Nx, const BIGNUM *Ny)  in dpp_pkex_build_exchange_resp()  argument
7054 	if (dpp_bn2bin_pad(Nx, wpabuf_put(msg, curve->prime_len),  in dpp_pkex_build_exchange_resp()
7056 	    dpp_bn2bin_pad(Nx, pkex->Nx, curve->prime_len) < 0 ||  in dpp_pkex_build_exchange_resp()
7078 			     const u8 *Nx, size_t Nx_len,  in dpp_pkex_derive_z()  argument
7108 	os_memcpy(pos, Nx, Nx_len);  in dpp_pkex_derive_z()
7180 	BIGNUM *Nx = NULL, *Ny = NULL;  in dpp_pkex_rx_exchange_req()  local
7337 	Nx = BN_new();  in dpp_pkex_rx_exchange_req()
7339 	if (!N || !Nx || !Ny ||  in dpp_pkex_rx_exchange_req()
7341 	    EC_POINT_get_affine_coordinates_GFp(group, N, Nx, Ny, bnctx) != 1)  in dpp_pkex_rx_exchange_req()
7346 							   Nx, Ny);  in dpp_pkex_rx_exchange_req()
7371 				pkex->Nx, curve->prime_len, pkex->code,  in dpp_pkex_rx_exchange_req()
7386 	BN_free(Nx);  in dpp_pkex_rx_exchange_req()
7526 	BIGNUM *Nx = NULL, *Ny = NULL;  in dpp_pkex_rx_exchange_resp()  local
7610 	Nx = BN_bin2bn(attr_key, attr_key_len / 2, NULL);  in dpp_pkex_rx_exchange_resp()
7612 	if (!Y || !N || !Nx || !Ny ||  in dpp_pkex_rx_exchange_resp()
7613 	    EC_POINT_set_affine_coordinates_GFp(group, N, Nx, Ny, bnctx) != 1 ||  in dpp_pkex_rx_exchange_resp()
7713 	BN_free(Nx);  in dpp_pkex_rx_exchange_resp()