Patent ID: 8412937

Claim:
A method for enabling authentication of a prover in a system comprising said prover and a verifier, said method comprising: said prover sending a prover identifier and a parent identifier to said verifier, said verifier sending a verifier identifier to said prover, said prover calculating a first common secret based at least in part on said verifier identifier received from the verifier, said prover identifier, and said parent identifier, said verifier calculating said first common secret based at least in part on said prover identifier received from the prover, said parent identifier received from the prover, and the verifier identifier, said prover creating a first message by modulating a first core secret with at least said first common secret, said prover sending said first message to said verifier, and said verifier creating a first candidate for said first core secret by demodulating said first message with said first common secret, wherein said candidate for said first core secret is for use in said authentication.