49 	BN_CTX *bnctx = NULL;  in dpp_pkex_build_exchange_req()  local
61 	bnctx = BN_CTX_new();  in dpp_pkex_build_exchange_req()
62 	if (!bnctx)  in dpp_pkex_build_exchange_req()
65 				pkex->identifier, bnctx, &group);  in dpp_pkex_build_exchange_req()
100 	    EC_POINT_add(group, M, X_point, Qi, bnctx) != 1 ||  in dpp_pkex_build_exchange_req()
101 	    EC_POINT_get_affine_coordinates_GFp(group, M, Mx, My, bnctx) != 1)  in dpp_pkex_build_exchange_req()
170 	BN_CTX_free(bnctx);  in dpp_pkex_build_exchange_req()
356 	BN_CTX *bnctx = NULL;  in dpp_pkex_rx_exchange_req()  local
427 	bnctx = BN_CTX_new();  in dpp_pkex_rx_exchange_req()
428 	if (!bnctx)  in dpp_pkex_rx_exchange_req()
430 	Qi = dpp_pkex_derive_Qi(curve, peer_mac, code, identifier, bnctx,  in dpp_pkex_rx_exchange_req()
441 	    EC_POINT_set_affine_coordinates_GFp(group, M, Mx, My, bnctx) != 1 ||  in dpp_pkex_rx_exchange_req()
443 	    !EC_POINT_is_on_curve(group, M, bnctx) ||  in dpp_pkex_rx_exchange_req()
444 	    EC_POINT_invert(group, Qi, bnctx) != 1 ||  in dpp_pkex_rx_exchange_req()
445 	    EC_POINT_add(group, X, M, Qi, bnctx) != 1 ||  in dpp_pkex_rx_exchange_req()
447 	    !EC_POINT_is_on_curve(group, X, bnctx)) {  in dpp_pkex_rx_exchange_req()
486 	Qr = dpp_pkex_derive_Qr(curve, own_mac, code, identifier, bnctx, NULL);  in dpp_pkex_rx_exchange_req()
521 	    EC_POINT_add(group, N, Y_point, Qr, bnctx) != 1 ||  in dpp_pkex_rx_exchange_req()
522 	    EC_POINT_get_affine_coordinates_GFp(group, N, Nx, Ny, bnctx) != 1)  in dpp_pkex_rx_exchange_req()
551 	BN_CTX_free(bnctx);  in dpp_pkex_rx_exchange_req()
692 	BN_CTX *bnctx = NULL;  in dpp_pkex_rx_exchange_resp()  local
768 	bnctx = BN_CTX_new();  in dpp_pkex_rx_exchange_resp()
769 	if (!bnctx)  in dpp_pkex_rx_exchange_resp()
772 				pkex->identifier, bnctx, &group);  in dpp_pkex_rx_exchange_resp()
782 	    EC_POINT_set_affine_coordinates_GFp(group, N, Nx, Ny, bnctx) != 1 ||  in dpp_pkex_rx_exchange_resp()
784 	    !EC_POINT_is_on_curve(group, N, bnctx) ||  in dpp_pkex_rx_exchange_resp()
785 	    EC_POINT_invert(group, Qr, bnctx) != 1 ||  in dpp_pkex_rx_exchange_resp()
786 	    EC_POINT_add(group, Y, N, Qr, bnctx) != 1 ||  in dpp_pkex_rx_exchange_resp()
788 	    !EC_POINT_is_on_curve(group, Y, bnctx)) {  in dpp_pkex_rx_exchange_resp()
864 	BN_CTX_free(bnctx);  in dpp_pkex_rx_exchange_resp()