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Class Information
Number: 380/277
Name: Cryptography > Key management
Description: Subject matter providing supervision or control of a signal necessary for encryption or decryption.

Sub-classes under this class:

Class Number Class Name Patents
380/44 Having particular key generator 1,724
380/278 Key distribution 1,332
380/286 Key escrow or recovery 461

Patents under this class:

Patent Number Title Of Patent Date Issued
7929690 Two non-orthogonal states quantum cryptography method and apparatus with inter-and inter-qubit interference for eavesdropper detection Apr. 19, 2011
7928356 Quantum sensor miniaturization utilizing entangled photon signals Apr. 19, 2011
7926115 Information recording and reproducing apparatus and method Apr. 12, 2011
7925897 System, method and apparatus for controlling the dissemination of digital works Apr. 12, 2011
7925894 System and method for delivering versatile security, digital rights management, and privacy services Apr. 12, 2011
7925890 Network centered recovery process for cryptographic processing modules Apr. 12, 2011
7925025 Method for broadcast encryption and key revocation of stateless receivers Apr. 12, 2011
7925023 Method and apparatus for managing cryptographic keys Apr. 12, 2011
7925013 System for data encryption and decryption of digital data entering and leaving memory Apr. 12, 2011
7925011 Method for simultaneous modular exponentiations Apr. 12, 2011
7925010 Message deciphering method, system and article Apr. 12, 2011
7921304 Securing data set images Apr. 5, 2011
7921283 Method for real-time data authentication Apr. 5, 2011
7920706 Method and system for managing cryptographic keys Apr. 5, 2011
7917945 Wireless perimeter security device and network using same Mar. 29, 2011
7917748 Secure group secret distribution Mar. 29, 2011
7916865 Dynamically shifting control word Mar. 29, 2011
7913074 Securely launching encrypted operating systems Mar. 22, 2011
7912952 Content utilization management method corresponding to network transfer, program, and content transfer system Mar. 22, 2011
7912223 Method and apparatus for data protection Mar. 22, 2011
7912217 Customized advertisement splicing in encrypted entertainment sources Mar. 22, 2011
7908488 Recording medium with copy protection information formed in intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium Mar. 15, 2011
7908483 Method and apparatus for binding TPM keys to execution entities Mar. 15, 2011
7908482 Key confirmed authenticated key exchange with derived ephemeral keys Mar. 15, 2011
7908475 Method and apparatus for transferring a communicaton session Mar. 15, 2011
7908374 Device, method and program for providing matching service Mar. 15, 2011
7907734 Key distribution control apparatus, radio base station apparatus, and communication system Mar. 15, 2011
7907670 Data transmitting apparatus and data receiving apparatus Mar. 15, 2011
7904949 Apparatus, systems and methods to provide authentication services to a legacy application Mar. 8, 2011
7904717 Method, apparatus, and manufacture for decryption of network traffic in a secure session Mar. 8, 2011
7904709 System and method for controlling data communications between a server and a client device Mar. 8, 2011
7903821 Method for managing key in multimedia broadcast and multicast service Mar. 8, 2011
7903819 Memory efficient storage of large numbers of key value pairs Mar. 8, 2011
7903811 Cryptographic system and method for encrypting input data Mar. 8, 2011
7899475 Enhanced short message service (SMS) Mar. 1, 2011
7899186 Key recovery in encrypting storage devices Mar. 1, 2011
7899185 Real privacy management authentication system Mar. 1, 2011
7899184 Ends-messaging protocol that recovers and has backward security Mar. 1, 2011
RE42163 Data management system Feb. 22, 2011
7895648 Reliably continuing a secure connection when the address of a machine at one end of the connection changes Feb. 22, 2011
7895437 Augmented single factor split key asymmetric cryptography-key generation and distributor Feb. 22, 2011
7895434 Method and system for multiple asymmetric encryption of .ZIP files Feb. 22, 2011
7894607 System, method and media drive for selectively encrypting a data packet Feb. 22, 2011
7894606 Systems and methods for facilitating secure key distribution to an embedded device Feb. 22, 2011
7894605 Systems and methods to securely generate shared keys Feb. 22, 2011
7894604 Quantum cryptographic communication apparatus Feb. 22, 2011
7894601 Method for key diversification on an IC card Feb. 22, 2011
7894599 Enhanced data security with redundant inclusive data encryption segments Feb. 22, 2011
7894448 Proving that a user profile satisfies selection criteria for targeted data delivery Feb. 22, 2011
7890995 System and method for remote management of communications networks Feb. 15, 2011

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