A method includes broadcasting, by a powered wireless device, an identification (ID) request frame to a plurality of ambient power (AMP) devices that harvest environmental energy, wherein the ID request frame includes a first plurality of cleartext fields and a first hash value generated from a combination of a content of the first plurality of cleartext fields and an identifier of an AMP device of the plurality of AMP devices. The method includes using, by the powered wireless device within the ID request frame, a first random address as a source media access control (MAC) address and one of a broadcast address or a group address as a destination MAC address. The ID request frame is useable to establish an encrypted wireless session with the AMP device.