Featured patents

Privacy-Preserving Location Tracking for Devices
US 08848924 B2, Sept. 30, 2014, Using master key, Arvind Krishnamurthy et al. / University of Washington (Seattle, US)
A system for uploading and storing a plurality of information data files…

Partial Encryption Using Variable Block Sizes
US 08731193 B2, May 20, 2014, Video electric signal modification, Eyal Farkash et al. / Cisco Technology Inc. (San Jose, US)
A method for data processing, comprising:…

Method and System for Managing Shared Random Numbers in Secret Communication Network
US 08638942 B2, Jan. 28, 2014, Key distribution center, Seigo Takahashi et al. / NEC Corporation (Tokyo, JP)
A method for managing shared random numbers in a secret communication network…

Portable Secure Element
US 08625800 B2, Jan. 7, 2014, Key Management, John Joseph et al. / Google Inc. (Mountain View, US)
A computer-implemented method for transferring control of a secure memory,…

Fully Homomorphic Encryption Method Based on a Bootstrappable Encryption Scheme, Computer Program and Apparatus
US 08630422 B2, Jan. 14, 2014, By public key method, Craig B. Gentry / International Business Machines Corporation (Armonk, US)
A method, comprising:…

Recovery From Decryption Errors in a Sequence of Communication Packets
US 08582768 B2, Nov. 12, 2013, Communication System Using Cryptography, Danny Alexander et al. / Marvell World Trade Ltd. (St. Michael, BB)
A method, comprising:…

Method of Storing Broadcast Contents in Mobile Broadcast Service Terminal
US 08565438 B2, Oct. 22, 2013, Using master key, Hyun-Chul Kim et al. / Samsung Electronics Co., Ltd KR
A method for recording and storing broadcast contents in a mobile broadcast…

Multiple Transform Utilization and Application for Secure Digital Watermarking
US 08542831 B2, Sept. 24, 2013, Electric Signal Masking, Scott A. Moskowitz
A method for protecting a digital signal, comprising:…

Method to Manage Members of at Least One Group of Decoders Having Access to Broadcast Data
US 08526614 B2, Sept. 3, 2013, Communication System Using Cryptography, Alexandre Karlov et al. / Nagravision S.A. (Cheseaux-sur-Lausanne)
A method to manage a population of decoders having access to broadcasted data,…

Methods and Apparatus for Compensation for Corrupted User Identification Data in Wireless Networks
US 08483392 B2, July 9, 2013, Key Management, Markus Mueck et al. / Apple Inc. (Cupertino, US)
A method of compensating for differences between an unknown encryption key…

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