| |
 |
|
Class Information
Number: 380/260
Name: Cryptography > Communication system using cryptography > Symmetric key cryptography > Symmetric key synchronization
Description: Subject matter including transmission of a signal for generating identical transmitting and receiving keys in step relationship.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7401223 |
Authentication chip for authenticating an untrusted chip |
Jul. 15, 2008 |
| 7369661 |
Method and apparatus for detection of loss of cipher synchronization |
May. 6, 2008 |
| 7369662 |
Maintaining end-to-end synchronization on a telecommunications connection |
May. 6, 2008 |
| 7370111 |
System, protocol and related methods for providing secure manageability |
May. 6, 2008 |
| 7366917 |
System and method for accessing discrete data |
Apr. 29, 2008 |
| 7362864 |
Framing of transmit encoded data and linear feedback shifting |
Apr. 22, 2008 |
| 7319758 |
Electronic device with encryption/decryption cells |
Jan. 15, 2008 |
| 7317799 |
Cryptographic key distribution using key folding |
Jan. 8, 2008 |
| 7313236 |
Methods and apparatus for secure and adaptive delivery of multimedia content |
Dec. 25, 2007 |
| 7298850 |
Encrypting keypad module |
Nov. 20, 2007 |
| 7289630 |
Counter initialization, particularly for radio frames |
Oct. 30, 2007 |
| 7251729 |
Authentication method for establishing connection between devices |
Jul. 31, 2007 |
| 7237110 |
Authentication system, authentication apparatus, authentication target apparatus, authentication method, method of being authenticated, program and information recording medium |
Jun. 26, 2007 |
| 7225331 |
System and method for securing data on private networks |
May. 29, 2007 |
| 7215772 |
Method and apparatus for remote digital key generation |
May. 8, 2007 |
| 7197642 |
Consumable authentication protocol and system |
Mar. 27, 2007 |
| 7181431 |
Interactive information services system and associated method for facilitating purchasing transactions |
Feb. 20, 2007 |
| 7178030 |
Electronically signing a document |
Feb. 13, 2007 |
| 7158640 |
Method and apparatus for re-synchronization of a stream cipher during handoff |
Jan. 2, 2007 |
| 7151946 |
Controller for reducing latency in a group communication network |
Dec. 19, 2006 |
| 7151832 |
Dynamic encryption and decryption of a stream of data |
Dec. 19, 2006 |
| 7133522 |
Method and apparatus for encryption of data |
Nov. 7, 2006 |
| 7133525 |
Communication security apparatus and method of using same |
Nov. 7, 2006 |
| 7124434 |
Information transmission system, and information sending apparatus and information receiving apparatus used therein |
Oct. 17, 2006 |
| 7120696 |
Cryptographic communications using pseudo-randomly generated cryptography keys |
Oct. 10, 2006 |
| 7110546 |
Synchronization of session keys |
Sep. 19, 2006 |
| 7069031 |
Communication device for providing security in a group communication network |
Jun. 27, 2006 |
| 7043022 |
Packet order determining method and apparatus |
May. 9, 2006 |
| 7039185 |
Method and system for securing a printhead in a closed system metering device |
May. 2, 2006 |
| 7035411 |
Encryption method and apparatus encrypting and adding signature information to qubits |
Apr. 25, 2006 |
| 7024392 |
Method for controlling use of database content |
Apr. 4, 2006 |
| 7006633 |
Global encryption system |
Feb. 28, 2006 |
| 7000106 |
Methods and apparatus for kernel mode encryption of computer telephony |
Feb. 14, 2006 |
| 6996724 |
Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system |
Feb. 7, 2006 |
| 6990204 |
Interface security system and method |
Jan. 24, 2006 |
| 6980656 |
Chaotic communication system and method using modulation of nonreactive circuit elements |
Dec. 27, 2005 |
| 6959086 |
Cryptographic key management scheme |
Oct. 25, 2005 |
| 6931132 |
Secure wireless local or metropolitan area network and related methods |
Aug. 16, 2005 |
| 6909785 |
Method and apparatus for efficient irregular synchronization of a stream cipher |
Jun. 21, 2005 |
| 6891952 |
Dynamic key generation and confidential synchronization of encryption components |
May. 10, 2005 |
| 6882860 |
Method for issuing a incoming call alert according to service options in a composite cellular terminal |
Apr. 19, 2005 |
| 6853730 |
Transmitting data words |
Feb. 8, 2005 |
| 6829357 |
Communication system having a transmitter and a receiver that engage in reduced size encrypted data communication |
Dec. 7, 2004 |
| 6826689 |
Method and system for emulating a secret code between two hardware modules |
Nov. 30, 2004 |
| 6816968 |
Consumable authentication protocol and system |
Nov. 9, 2004 |
| 6748083 |
Method and apparatus for free-space quantum key distribution in daylight |
Jun. 8, 2004 |
| 6694024 |
Transmitting data words |
Feb. 17, 2004 |
| 6661896 |
Computer network security system and method |
Dec. 9, 2003 |
| 6603857 |
Method and apparatus for controlling release of time sensitive information |
Aug. 5, 2003 |
| 6590981 |
System and method for secure cryptographic communications |
Jul. 8, 2003 |
|
|
|
