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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
8588421 Cryptographic key containers on a USB token Nov. 19, 2013
8588420 Systems and methods for determining a time delay for sending a key update request Nov. 19, 2013
8588415 Method for securing a telecommunications terminal which is connected to a terminal user identification module Nov. 19, 2013
8584228 Packet authentication and encryption in virtual networks Nov. 12, 2013
8584216 Systems and methods for efficiently deploying updates within a cryptographic-key management system Nov. 12, 2013
8583941 Computer checking tool Nov. 12, 2013
8583925 Mix-net system Nov. 12, 2013
8582779 System and method for secure communications in a communication system Nov. 12, 2013
8582777 Method and system for lightweight key distribution in a wireless network Nov. 12, 2013
8582776 Electronic monitoring system and method Nov. 12, 2013
8582775 Method of securing and authenticating data using micro-certificates Nov. 12, 2013
8582774 Method for making safe an electronic cryptography assembly with a secret key Nov. 12, 2013
8582763 Method and apparatus for decoding broadband data Nov. 12, 2013
8582761 Cryptographic method with elliptical curves Nov. 12, 2013
8582759 Method and apparatus for providing content service Nov. 12, 2013
8578177 Recording device, and content-data playback system Nov. 5, 2013
8578151 Trust-management systems and methods Nov. 5, 2013
8577812 Systems and methods for conducting transactions and communications using a trusted third party Nov. 5, 2013
8577041 Method for securely distributing configuration information to a device Nov. 5, 2013
8572389 System and method for protecting master encryption keys Oct. 29, 2013
8572377 Method for authentication Oct. 29, 2013
8572372 Method for selectively enabling access to file systems of mobile terminals Oct. 29, 2013
8571993 Reprogrammable security for controlling piracy and enabling interactive content Oct. 29, 2013
8571211 Method and apparatus for generating security key in a mobile communication system Oct. 29, 2013
8571210 Content protection apparatus and method using binding of additional information to encryption key Oct. 29, 2013
8571209 Recording keys in a broadcast-encryption-based system Oct. 29, 2013
8568226 Master control program for a gaming device Oct. 29, 2013
8566615 Document management system and method Oct. 22, 2013
8566603 Managing security operating modes Oct. 22, 2013
8566113 Methods, systems and computer program products for providing a level of anonymity to patient records/information Oct. 22, 2013
8565435 Efficient implementation of fully homomorphic encryption Oct. 22, 2013
8565434 Methods and systems for maintaining security keys for wireless communication Oct. 22, 2013
8565432 Communications system Oct. 22, 2013
8565422 Method and system for enryption key versioning and key rotation in a multi-tenant environment Oct. 22, 2013
8559639 Method and apparatus for secure cryptographic key generation, certification and use Oct. 15, 2013
8559638 Cryptographic processing system Oct. 15, 2013
8559634 Encoding/decoding circuit Oct. 15, 2013
8559633 Method and device for generating local interface key Oct. 15, 2013
8555406 Remote viewing of multimedia content Oct. 8, 2013
8555400 Privacy-preserving aggregation of Time-series data Oct. 8, 2013
8555083 Systems and methods for protecting against unauthorized access of encrypted data during power-management modes Oct. 8, 2013
8555076 Unique block header patterns for media verification Oct. 8, 2013
8555075 Methods and system for storing and retrieving identity mapping information Oct. 8, 2013
8555064 Security system and method for wireless communication system Oct. 8, 2013
8554690 Techniques for using media keys Oct. 8, 2013
8553889 Mix-net system Oct. 8, 2013
8553879 Content transmission device and content transmission method Oct. 8, 2013
8553877 Substitution table masking for cryptographic processes Oct. 8, 2013
8549606 Device for protecting digital content, device for processing protected digital content, method for protecting digital content, method for processing protected digital content, storage medium s Oct. 1, 2013
8549588 Systems and methods for obtaining network access Oct. 1, 2013











 
 
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