Patent ID: 8842826

Claim:
A method of performing information-theoretically secure wireless communication, the method comprising: receiving, at a first wireless transmit/receive unit (WTRU), a signal comprising uniformly distributed correlated random values, wherein the signal is also available to a second WTRU, and wherein the signal is received from a device that is not the first WTRU or the second WTRU; generating, at the first WTRU, a plurality of input samples from the signal; deriving, at the first WTRU, an information-theoretically secure cryptographic key using the plurality of input samples and communications exchanged between the first WTRU and the second WTRU over a public communications channel, wherein the deriving comprises conversion comprising: sorting the plurality of input samples to produce a plurality of ordered samples and assigning each ordered sample an index corresponding to a corresponding input sample of the plurality of input samples, transforming the plurality of ordered samples to generate a plurality of uniformly distributed ordered samples, and resorting the plurality of uniformly distributed ordered samples based on the assigned index of each of the uniformly distributed ordered samples to produce a plurality of uniformly distributed samples; and the first WTRU establishing a communications session with the second WTRU using the cryptographic key.