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Class Information
Number: 380/44
Name: Cryptography > Key management > Having particular key generator
Description: Subject matter including a detail of a predetermined digital sequence signal generator.

Sub-classes under this class:

Class Number Class Name Patents
380/45 Multiple key level 467
380/46 Nonlinear (e.g., pseudorandom) 921
380/47 Plural generators 298

Patents under this class:

Patent Number Title Of Patent Date Issued
8713700 Access control method, information display device using the same, and information display system Apr. 29, 2014
8713315 Content distribution system, mobile communication terminal device, and computer readable medium Apr. 29, 2014
8712057 Apparatus and method for an iterative cryptographic block Apr. 29, 2014
8712056 Secure mobile ad hoc network Apr. 29, 2014
8712044 Key management system Apr. 29, 2014
8712043 Secure provisioning of a portable device using a representation of a key Apr. 29, 2014
8712042 Implicit certificate scheme Apr. 29, 2014
8712041 Content protection apparatus and content encryption and decryption apparatus using white-box encryption table Apr. 29, 2014
8712040 Data-conditioned encryption method Apr. 29, 2014
8712038 Cryptography on a simplified elliptical curve Apr. 29, 2014
8707052 Cryptographic device with resistance to differential power analysis and other external monitoring attacks Apr. 22, 2014
8707049 Authentication method and key device Apr. 22, 2014
8707042 Sharing keys between cooperating parties Apr. 22, 2014
8705745 Method and system for transmitting deferred media information in an IP multimedia subsystem Apr. 22, 2014
8705738 Selective security termination in next generation mobile networks Apr. 22, 2014
8705735 Implicit certificate scheme Apr. 22, 2014
8705734 Method and system for authenticating a mobile terminal in a wireless communication system Apr. 22, 2014
8705733 Unique identifier per chip for digital audio/video data encryption/decryption in personal video recorders Apr. 22, 2014
8694798 Generating and securing multiple archive keys Apr. 8, 2014
8693692 Direct delivery of content descrambling keys using chip-unique code Apr. 8, 2014
8693684 Method and apparatus for computing a shared secret key Apr. 8, 2014
8693683 Cryptographically secure authentication device, system and method Apr. 8, 2014
8693682 Data encryption Apr. 8, 2014
8687814 Securing encrypted virtual hard disks Apr. 1, 2014
8687812 Method and apparatus for public key cryptography Apr. 1, 2014
8687806 Conditional access system employing constrained encryption keys Apr. 1, 2014
8687805 Context-aware based cryptography Apr. 1, 2014
8687804 Separating control and data operations to support secured data transfers Apr. 1, 2014
8683225 Microprocessor that facilitates task switching between encrypted and unencrypted programs Mar. 25, 2014
8683224 Processor-implemented method for ensuring software integrity Mar. 25, 2014
8683210 Non-networked RFID-PUF authentication Mar. 25, 2014
8683194 Method and devices for secure communications in a telecommunications network Mar. 25, 2014
8681995 Supporting DNS security in a multi-master environment Mar. 25, 2014
8681994 Systems and methods for document control using public key encryption Mar. 25, 2014
8681992 Monitoring and controlling access to electronic content Mar. 25, 2014
8681987 RFID authentication architecture and methods for RFID authentication Mar. 25, 2014
8681976 System and method for device dependent and rate limited key generation Mar. 25, 2014
8681974 Array encryption core Mar. 25, 2014
8677151 Content playback method and recording and playback device Mar. 18, 2014
8677146 Computer implemented method for sending a message to a recipient user, receiving a message by a recipient user, a computer readable storage medium and a computer system Mar. 18, 2014
8677123 Method for accelerating security and management operations on data segments Mar. 18, 2014
8676998 Reverse network authentication for nonstandard threat profiles Mar. 18, 2014
8675871 Protecting a control vector in an optional block of a standard key block Mar. 18, 2014
8670563 System and method for designing secure client-server communication protocols based on certificateless public key infrastructure Mar. 11, 2014
8670562 Generation and use of a biometric key Mar. 11, 2014
8670561 Method and apparatus for limiting use of IP Mar. 11, 2014
8670559 White-box implementation Mar. 11, 2014
8670557 Cryptographic system with modular randomization of exponentiation Mar. 11, 2014
8667266 System and method for sending encrypted messages to a distribution list Mar. 4, 2014
8666079 Decoding and encoding data Mar. 4, 2014

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