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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
8391492 Secure resource reservation protocol (RSVP) with dynamic group keying Mar. 5, 2013
8391480 Digital authentication over acoustic channel Mar. 5, 2013
8391478 System and method for broadcast environment group key-derivation Mar. 5, 2013
8386800 Verifiable, leak-resistant encryption and decryption Feb. 26, 2013
8386778 System and method of protecting data on a communication device Feb. 26, 2013
8385553 Portable secure element Feb. 26, 2013
8385552 Techniques for managing keys using a key server in a network segment Feb. 26, 2013
8385551 Highly available cryptographic key storage (HACKS) Feb. 26, 2013
8385550 System and method for secure wireless multi-hop network formation Feb. 26, 2013
8385269 Enabling IPv6 mobility with sensing features for AD-HOC networks derived from long term evolution networks Feb. 26, 2013
8381307 Method for protecting a converted applet (CAP) file including encrypting the CAP file Feb. 19, 2013
8380720 Method for data encryption and method for conjunctive keyword search of encrypted data Feb. 19, 2013
8380637 Variable fractions of multiple biometrics with multi-layer authentication of mobile transactions Feb. 19, 2013
8380167 LAN-based UMA network controller with proxy connection Feb. 19, 2013
8379867 Secure email communication system Feb. 19, 2013
8379864 Software plug-in framework to modify decryption methods in terminals Feb. 19, 2013
8379863 Enabling users to select between secure service providers using a central trusted service manager Feb. 19, 2013
8379862 Method and device for automatically distributing updated key material Feb. 19, 2013
8379861 Integrated circuit and a method for secure testing Feb. 19, 2013
8379857 Secure key distribution for private communication in an unsecured communication channel Feb. 19, 2013
8379854 Secure wireless communication Feb. 19, 2013
8379844 Methods and apparatus for performing an elliptic curve scalar multiplication operation using splitting Feb. 19, 2013
8375431 System and method for platform activation Feb. 12, 2013
8375210 Automatic configuration of devices upon introduction into a networked environment Feb. 12, 2013
8374350 Quantum communication system Feb. 12, 2013
8370648 Writing and reading encrypted data using time-based encryption keys Feb. 5, 2013
8370647 Information processing apparatus, information processing method, and program Feb. 5, 2013
8370624 Key generation method for self-configuration Feb. 5, 2013
8370307 Cloud data backup storage manager Feb. 5, 2013
8369530 Network set-up device Feb. 5, 2013
8369528 Method and apparatus for providing encrypted key based on DRM type of host device Feb. 5, 2013
8369527 Access control over multicast Feb. 5, 2013
8369526 Device, system, and method of securely executing applications Feb. 5, 2013
8369521 Smart card based encryption key and password generation and management Feb. 5, 2013
8369520 Cryptographic device employing parallel processing Feb. 5, 2013
8365310 Method and apparatus for protecting RFID tags from power analysis Jan. 29, 2013
8364975 Methods and apparatus for protecting data Jan. 29, 2013
8364967 Multi-step digital signature method and system Jan. 29, 2013
8364955 Systems and methods for effectively removing access to individual files on magnetic tape media Jan. 29, 2013
8364952 Methods and system for a key recovery plan Jan. 29, 2013
8364947 Period keys Jan. 29, 2013
8363841 Method for managing and controlling the access keys to services in a communication system Jan. 29, 2013
8363840 Method and apparatus for providing broadcast service using encryption key in a communication system Jan. 29, 2013
8363839 Image forming apparatus Jan. 29, 2013
8363837 Data storage device with data transformation capability Jan. 29, 2013
8356342 Method and system for issuing a kill sequence for a token Jan. 15, 2013
8355508 Information processing apparatus, information processing method, and computer readable recording medium Jan. 15, 2013
8353026 Credential security system Jan. 8, 2013
8353015 Trusted internet identity Jan. 8, 2013
8352743 Client device, key device, service providing apparatus, user authentication system, user authentication method, program, and recording medium Jan. 8, 2013

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