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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
8477947 Optical phase modulation method and apparatus for quantum key distribution Jul. 2, 2013
8477946 Method and apparatus for protecting encryption keys in a logically partitioned computer system environment Jul. 2, 2013
8474052 User-administered license state verification Jun. 25, 2013
8473754 Hardware-facilitated secure software execution environment Jun. 25, 2013
8473740 Method and system for secured management of online XML document services through structure-preserving asymmetric encryption Jun. 25, 2013
8473735 Systems and methods for managing digital certificates Jun. 25, 2013
8473701 Storage media to storage drive centric security Jun. 25, 2013
8472628 Method of handling security key change and related communication device Jun. 25, 2013
8468582 Method and system for securing electronic transactions Jun. 18, 2013
8468368 Data encryption parameter dispersal Jun. 18, 2013
8468340 Configuring a valid duration period for a digital certificate Jun. 18, 2013
8468336 System and method for providing security via a top level domain Jun. 18, 2013
8467535 Accelerated verification of digital signatures and public keys Jun. 18, 2013
8467534 Method and system for secure access and processing of an encryption/decryption key Jun. 18, 2013
8467533 One-time-pad encryption with key ID and offset for starting point Jun. 18, 2013
8467527 Efficient key derivation for end-to-end network security with traffic visibility Jun. 18, 2013
8462953 Communication system and method thereof Jun. 11, 2013
8462944 Method of public key generation Jun. 11, 2013
8462942 Method and system for securing packetized voice transmissions Jun. 11, 2013
8458806 System and method for secure pin exchange Jun. 4, 2013
8458487 System and methods for format preserving tokenization of sensitive information Jun. 4, 2013
8458480 Method and apparatus for binding TPM keys to execution entities Jun. 4, 2013
8458477 Communication with non-repudiation Jun. 4, 2013
8458459 Client device and local station with digital rights management and methods for use therewith Jun. 4, 2013
8457597 Method for authenticating a mobile unit attached to a femtocell that operates according to code division multiple access Jun. 4, 2013
8457317 Method for data privacy in a fixed content distributed data storage Jun. 4, 2013
8457310 Print system, control method therefor, information processing apparatus, control method therefor, program for implementing the control method, and storage medium storing the control program Jun. 4, 2013
8457307 Method and system for generating implicit certificates and applications to identity-based encryption (IBE) Jun. 4, 2013
8453238 Protection of a ciphering key May. 28, 2013
8452988 Secure data storage for protecting digital content May. 28, 2013
8452979 Portable telecommunications apparatus May. 28, 2013
8452964 Method for providing confidentiality protection of control signaling using certificate May. 28, 2013
8452957 Method and nodes for providing secure access to cloud computing for mobile users May. 28, 2013
8452016 Interoperable keychest for use by service providers May. 28, 2013
8452015 Propagating keys from servers to clients May. 28, 2013
8452014 Group key management for mobile ad-hoc networks May. 28, 2013
8452011 Method and apparatus for billing and security architecture for venue-cast services May. 28, 2013
8448719 Key exchange device May. 28, 2013
8447039 Active-active hierarchical key servers May. 21, 2013
8447037 Key tree construction and key distribution method for hierarchical role-based access control May. 21, 2013
8447036 Multi-party key agreement method using bilinear map and system therefor May. 21, 2013
8443430 Remote registration for enterprise applications May. 14, 2013
8442916 Digital rights management of content when content is a future live event May. 14, 2013
8442489 System and method for configuring devices for secure operations May. 14, 2013
8442235 Extensible management of self-encrypting storage devices May. 14, 2013
8442234 System and method for obtaining certificate status of subkeys May. 14, 2013
8442226 Decryption key management May. 14, 2013
8442219 Public key cryptographic methods and systems May. 14, 2013
8438628 Method and apparatus for split-terminating a secure network connection, with client authentication May. 7, 2013
8437472 Strengthened key schedule for arcfour May. 7, 2013











 
 
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