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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:
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Patent Number Title Of Patent Date Issued
7965844 System and method for processing user data in an encryption pipeline Jun. 21, 2011
7965836 Data cipher processors Jun. 21, 2011
7965701 Method and system for secure communications with IP telephony appliance Jun. 21, 2011
7962951 Device, method and program for providing matching service Jun. 14, 2011
7961886 Wireless perimeter security device and network using same Jun. 14, 2011
7961885 Encrypted JTAG interface Jun. 14, 2011
7961884 Method and system for changing security information in a computer network Jun. 14, 2011
7958373 Secure repository with layers of tamper resistance and system and method for providing same Jun. 7, 2011
7958355 Keytote component Jun. 7, 2011
7957535 Data storing method, data playback method, data recording device, data playback device, and recording medium Jun. 7, 2011
7957532 Data protection for a mobile device Jun. 7, 2011
7953976 Method and apparatus for pervasive authentication domains May. 31, 2011
7953671 Methods and apparatus for conducting electronic transactions May. 31, 2011
7953227 Method for securely and automatically configuring access points May. 31, 2011
7950051 Password management for a communication network May. 24, 2011
7949869 Establishing relative identity May. 24, 2011
7949867 Secure communications May. 24, 2011
7949136 Security circuit having an electrical fuse ROM May. 24, 2011
7949135 Key distribution in systems for selective access to information May. 24, 2011
7945959 Secure physical distribution of a security token through a mobile telephony provider's infrastructure May. 17, 2011
7945168 Free-space quantum communications system and process operative absent line-of-sight May. 17, 2011
7945053 Methods and apparatus for a keying mechanism for end-to-end service control protection May. 17, 2011
7945052 Method of distributing a decryption key in fixed-content data May. 17, 2011
7941843 Mobile wireless communication system, mobile wireless terminal apparatus, virtual private network relay apparatus and connection authentication server May. 10, 2011
7941672 Regeneration of a secret quantity from an intergrated circuit identifier May. 10, 2011
7941380 Electronic data vault providing biometrically protected electronic signatures May. 10, 2011
7941121 Method for verifying the validity of a user May. 10, 2011
7940935 Content playback apparatus, content playback method, computer program, key relay apparatus, and recording medium May. 10, 2011
7940934 System and method for securing computing management functions May. 10, 2011
7940930 Native scrambling system May. 10, 2011
7940179 Radio frequency identification tag security systems May. 10, 2011
7937762 Tracking and identifying operations from un-trusted clients May. 3, 2011
7937752 Systems and methods for authenticating communications in a network medium May. 3, 2011
7937596 Adaptable microcontroller based security monitor May. 3, 2011
7936883 Quantum key distribution protocol May. 3, 2011
7936882 Method to trace traceable parts of original private keys in a public-key cryptosystem May. 3, 2011
7936881 Method and system for transmitting signaling information over a data transport network May. 3, 2011
7936878 Secure wireless instrumentation network system May. 3, 2011
7936871 Altering the size of windows in public key cryptographic computations May. 3, 2011
7936870 Rotation of keys during encryption/decryption May. 3, 2011
7933413 Key exchange verification Apr. 26, 2011
7933408 Asynchronous download Apr. 26, 2011
7929706 Encryption key restoring method, information processing apparatus, and encryption key restoring program Apr. 19, 2011
7929704 Modified triple wrap encryption/decryption system Apr. 19, 2011
7929703 Methods and system for managing security keys within a wireless network Apr. 19, 2011
7929702 System and method for generating reproducible session keys Apr. 19, 2011
7929701 Multiple level public key hierarchy for performance and high security Apr. 19, 2011
7929697 Secure data transmission via multichannel entitlement management and control Apr. 19, 2011
7929694 Variable length private key generator and method thereof Apr. 19, 2011
7929692 Firmware encrypting and decrypting method and an apparatus using the same Apr. 19, 2011

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