FIELD: radio engineering, communication.
SUBSTANCE: invention relates to data transmission. A content router comprising 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 identification data to a subscriber; and a transmitter connected to the storage and configured to forward the content object with the signature upon request to the subscriber, wherein the signature is configured to be used by the subscriber to verify the integrity of the content object based on the known identification data without verifying trust of a publisher key for the publisher, wherein the known identification data are trusted by the publisher and does not require verifying trust from the publisher.
EFFECT: lifting the load from the subscriber to verify trust of an open publisher key.
30 cl, 11 dwg
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