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Class Information
Number: 380/255
Name: Cryptography > Communication system using cryptography
Description: Subject matter including cryptographic structure or methods which protect the transmission or reception of information.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620806 |
Encrypted communication for selectively delivering a message to multiple decrypting devices |
Nov. 17, 2009 |
| 7616764 |
Online data encryption and decryption |
Nov. 10, 2009 |
| 7616765 |
Method and system for generating shared information |
Nov. 10, 2009 |
| 7613296 |
M6 block cipher system and method for encoding content and authenticating a device |
Nov. 3, 2009 |
| 7613396 |
Multiplexing communication system and crosstalk elimination method |
Nov. 3, 2009 |
| 7613932 |
Method and system for controlling access to software features in an electronic device |
Nov. 3, 2009 |
| 7609839 |
Quantum key distribution method and communication device |
Oct. 27, 2009 |
| 7606370 |
System, method and computer program product for updating security criteria in wireless networks |
Oct. 20, 2009 |
| 7607013 |
Method and apparatus for access authentication in wireless mobile communication system |
Oct. 20, 2009 |
| 7607166 |
Secure manufacturing devices in a switched Ethernet network |
Oct. 20, 2009 |
| 7602918 |
Method for distributing security keys during hand-off in a wireless communication system |
Oct. 13, 2009 |
| 7596322 |
Cryptographic-key-generation communication system |
Sep. 29, 2009 |
| 7596703 |
Hidden data backup and retrieval for a secure device |
Sep. 29, 2009 |
| 7594109 |
Digital content distribution system |
Sep. 22, 2009 |
| 7593529 |
Scramble methods and apparatus for packetized digital video signal in conditional access system |
Sep. 22, 2009 |
| 7590244 |
Cryptographic communication apparatus |
Sep. 15, 2009 |
| 7590245 |
Anonymous communicating over interconnected networks |
Sep. 15, 2009 |
| 7590844 |
Decryption system and method for network analyzers and security programs |
Sep. 15, 2009 |
| 7587607 |
Attesting to platform configuration |
Sep. 8, 2009 |
| 7583803 |
QKD stations with fast optical switches and QKD systems using same |
Sep. 1, 2009 |
| 7584365 |
Storage system |
Sep. 1, 2009 |
| 7584356 |
Broadcast receiving apparatus |
Sep. 1, 2009 |
| 7581096 |
Method, apparatus, and program product for automatically provisioning secure network elements |
Aug. 25, 2009 |
| 7581098 |
Method and apparatus for secure access to dedicated network resources |
Aug. 25, 2009 |
| 7581100 |
Key generation method for communication session encryption and authentication system |
Aug. 25, 2009 |
| 7577257 |
Large scale quantum cryptographic key distribution network |
Aug. 18, 2009 |
| 7574604 |
Network device registration |
Aug. 11, 2009 |
| 7574600 |
System and method for combining user and platform authentication in negotiated channel security protocols |
Aug. 11, 2009 |
| 7570764 |
Sequence number calculation and authentication in a communications system |
Aug. 4, 2009 |
| 7571317 |
Providing user notification signals in phones that use encryption |
Aug. 4, 2009 |
| 7567672 |
Cryptographic communication system |
Jul. 28, 2009 |
| 7568092 |
Security policy enforcing DHCP server appliance |
Jul. 28, 2009 |
| 7565698 |
Information-processing device |
Jul. 21, 2009 |
| 7565693 |
Network intrusion detection and prevention system and method thereof |
Jul. 21, 2009 |
| 7565546 |
System, method and apparatus for secure digital content transmission |
Jul. 21, 2009 |
| 7562052 |
Secure customer communication method and system |
Jul. 14, 2009 |
| 7552322 |
Using a portable security token to facilitate public key certification for devices in a network |
Jun. 23, 2009 |
| 7548618 |
Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium |
Jun. 16, 2009 |
| 7546458 |
Method for organizing virtual networks while optimizing security |
Jun. 9, 2009 |
| 7546456 |
IPv6 address ownership solution based on zero-knowledge identification protocols or based on one time password |
Jun. 9, 2009 |
| 7542568 |
Encryption device a decrypting device a secret key generation device a copyright protection system and a cipher communication device |
Jun. 2, 2009 |
| 7542569 |
Security of data connections |
Jun. 2, 2009 |
| 7542573 |
Providing apparatus, communication device, method, and program |
Jun. 2, 2009 |
| 7539314 |
Frame synchronization method for QKD systems |
May. 26, 2009 |
| 7536558 |
Flash memory distribution of digital content |
May. 19, 2009 |
| 7532726 |
Encryption/decryption device and method, encryption device and method, decryption device and method, and transmission/reception apparatus |
May. 12, 2009 |
| 7529939 |
Method of and apparatus for transferring data |
May. 5, 2009 |
| 7529938 |
Method, apparatus and system for performing authentication according to challenge-response protocol using scrambled access information |
May. 5, 2009 |
| 7529933 |
TLS tunneling |
May. 5, 2009 |
| 7529372 |
Method for setting an encryption key for logical network separation |
May. 5, 2009 |
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