Featured patents

Technique for Determining Usage of Encrypted Media Content
US 08842823 B2, Sept. 23, 2014, Particular Algorithmic Function Encoding, Markus Kampmann et al. / Telefonaktiebolaget L M Ericsson (Publ) (Stockholm, SE
A method for determining usage of encrypted media content encrypted with separate…

Attack-Resistant Multivariate Signature Scheme
US 08811608 B2, Aug. 19, 2014, Public key, Aviad Kipnis et al. / Cisco Technology Inc. (San Jose, US)
A cryptographic method, comprising:…

Security Mechanism for Wireless Video Area Networks
US 08831225 B2, Sept. 9, 2014, Key Management, James P. K. Gilb / Silicon Image, Inc. (Sunnyvale, US)
A device comprising:…

Index-Based Coding With a Pseudo-Random Source
US 08811615 B2, Aug. 19, 2014, Pseudo-random sequence scrambling, Meng-Day Yu et al. / Verayo, Inc. (San Jose, US)
A method comprising:…

Modular Broadcast Receiver System and Method
US 08774404 B2, July 8, 2014, Video electric signal modification, Takehiko Nakano / Sony Corporation JP
A signal receiving system comprising:…

Encryption Device and Medium, Decryption Device and Method, Data Delivery Device, Data Receiving Device, and Data Delivery System
US 08737611 B2, May 27, 2014, Video electric signal modification, Yoshihiro Shintani / Oki Electric Industry Co., Ltd. (Tokyo, JP)
A data delivery device that encrypts video content data and delivers…

Data Protection System, Data Protection Method, and Memory Card
US 08750519 B2, June 10, 2014, Key Management, Akihiro Kasahara et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
A data protection system providing data to a particular host device from a memory…

System and Method for Conditional Access Key Encryption
US 08654981 B2, Feb. 18, 2014, Using master key, Stephen G. Perlman et al. / AARIS Enterprises, Inc. (Suwanee, US)
A computer-implemented method comprising:…

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,…

Method for Securely Distributing Configuration Information to a Device
US 08577041 B2, Nov. 5, 2013, Key Management, Ali Negahdar / ARRIS Enterprises, Inc. (Suwanee, US)
A method for protecting the distribution of configuration information to an MTA…

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