The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2016
Filed:
Jun. 27, 2013
Cisco Technology Inc., San Jose, CA (US);
Itsik Mantin, Shoham, IL;
Eliphaz Hibshoosh, Tel Aviv, IL;
Cisco Technology Inc., San Jose, CA (US);
Abstract
A system including a memory having regions including a first and second region, the first region being different from the second region, and a digital rights management engine to receive a plurality of ciphertext cipher blocks, decrypt the ciphertext cipher blocks yielding plaintext cipher blocks, output the plaintext cipher blocks to the first region of the memory over a period of time, provide a plurality of decoy cipher blocks in addition to the plaintext cipher blocks, the decoy cipher blocks having a pattern in which: a first one of the decoy cipher blocks consists of data, and a second one of the decoy cipher blocks consists of data which is the same as the data of the first one of the decoy cipher blocks, and output the decoy cipher blocks to the second region of the memory during the period of time. Related apparatus and methods are also included.