Patent ID: 11889312
Assignee: SATELLES, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 38:
39. The system of claim 37 wherein the first message, in the one burst, includes a first digital signature formed from the first hash chain tag and the PNT data prior to transmission based on a first key, the first key being a second hash chain tag, wherein the radio frequency receiver is configured to receive the second hash chain tag in a second message received subsequent to the first message, and wherein the processor is configured to generate a second digital signature from the first hash chain tag and the PNT data as received by the radio frequency receiver in the first message using the second hash chain tag as received by the radio frequency receiver in the second message as a second key, the processor configured to authenticate the PNT data based on comparison of the first and second digital signatures.