Patent ID: 8645702

Claim:
A content router comprising: a memory; a processor coupled to the memory, wherein the memory comprises a storage configured to cache, in a content oriented network (CON), a content object with a signature signed by a publisher based on a known identity to a subscriber; a transmitter coupled to the storage and configured to forward the content object with the signature upon request to the subscriber, wherein the subscriber uses the signature to verify the content object's integrity based on the known identity without verifying a trust of a publisher key for the publisher, and wherein the known identity is trusted by the publisher and does not require verifying trust from the publisher, wherein the content object is signed by the publisher using a private key of the publisher that is obtained using the known identity, and wherein the private key of the publisher is obtained from a Private Key Generator (PKG) that generates a master key (MK) distributed in the CON and a master secret key (MSK) that is not distributed, and wherein the private key of the publisher is obtained by the publisher using the MSK and the known identity.