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Class Information
Number: 380/262
Name: Cryptography > Communication system using cryptography > Symmetric key cryptography > Symmetric key synchronization > Transmitting a seed, sequence, or initial value
Description: Subject matter wherein the synchronizing signal is a value indicating a starting point for key generation
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623663 |
Rolling code security system |
Nov. 24, 2009 |
| 7623723 |
Method for random point and patterned noise reduction in digital images |
Nov. 24, 2009 |
| 7613296 |
M6 block cipher system and method for encoding content and authenticating a device |
Nov. 3, 2009 |
| 7613300 |
Content-protected digital link over a single signal line |
Nov. 3, 2009 |
| 7609837 |
System and method for automatic setup of a network device with secure network transmission of setup parameters |
Oct. 27, 2009 |
| 7606369 |
Process for establishing a common cryptographic key for N subscribers |
Oct. 20, 2009 |
| 7600121 |
Message security |
Oct. 6, 2009 |
| 7584361 |
Encoding and detecting apparatus |
Sep. 1, 2009 |
| 7584357 |
Control device for creating one-time password using pre-input button code, home server for authenticating control device using one-time password, and method for authenticating control device w |
Sep. 1, 2009 |
| 7581110 |
Key distribution for encrypted broadcast data using minimal system bandwidth |
Aug. 25, 2009 |
| 7548620 |
Token provisioning |
Jun. 16, 2009 |
| 7529938 |
Method, apparatus and system for performing authentication according to challenge-response protocol using scrambled access information |
May. 5, 2009 |
| 7526091 |
Method for transmitting and receiving control information for encryption in a mobile communication system supporting multimedia broadcast/multicast service |
Apr. 28, 2009 |
| 7522727 |
Method and apparatus for providing authentication in a communication system |
Apr. 21, 2009 |
| 7519178 |
Method, system and apparatus for ensuring a uniform distribution in key generation |
Apr. 14, 2009 |
| 7505585 |
Method of generating cryptographic key using elliptic curve and expansion in joint sparse form and using same |
Mar. 17, 2009 |
| 7502468 |
Method and system for generating a cryptographically random number stream |
Mar. 10, 2009 |
| 7502466 |
System and method for secure communication of electronic documents |
Mar. 10, 2009 |
| 7492898 |
Rolling code security system |
Feb. 17, 2009 |
| 7493661 |
Secure transmission system |
Feb. 17, 2009 |
| 7489922 |
User-assisted programmable appliance control |
Feb. 10, 2009 |
| 7480383 |
Apparatus and method for scrambling high-rate data |
Jan. 20, 2009 |
| 7477743 |
Hybrid network encrypt/decrypt scheme |
Jan. 13, 2009 |
| 7471795 |
Information transmission system |
Dec. 30, 2008 |
| 7472285 |
Apparatus and method for memory encryption with reduced decryption latency |
Dec. 30, 2008 |
| 7464274 |
Manufacturing trusted devices |
Dec. 9, 2008 |
| 7454785 |
Proxy method and system for secure wireless administration of managed entities |
Nov. 18, 2008 |
| 7426275 |
Handling device and method of security data |
Sep. 16, 2008 |
| 7426274 |
Method and apparatus for generating pseudo random numbers in a video device having an embedded cipher unit |
Sep. 16, 2008 |
| 7424116 |
Method and apparatus for providing authentication in a communication system |
Sep. 9, 2008 |
| 7421735 |
Proxy method and system for secure wireless administration of managed entities |
Sep. 2, 2008 |
| 7412055 |
Method and system for fair exchange of user information |
Aug. 12, 2008 |
| 7412056 |
Rolling code security system |
Aug. 12, 2008 |
| 7401223 |
Authentication chip for authenticating an untrusted chip |
Jul. 15, 2008 |
| 7382881 |
Lawful interception of end-to-end encrypted data traffic |
Jun. 3, 2008 |
| 7370197 |
Method and system for authenticating messages |
May. 6, 2008 |
| 7366917 |
System and method for accessing discrete data |
Apr. 29, 2008 |
| 7359515 |
Method and apparatus for symmetric-key decryption |
Apr. 15, 2008 |
| 7360075 |
Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols |
Apr. 15, 2008 |
| 7356146 |
Method for relocating SRNS in a mobile communication system |
Apr. 8, 2008 |
| 7346581 |
Copyright management apparatus, copyrighted-work distribution apparatus, and copyrighted-work distribution and receiving system |
Mar. 18, 2008 |
| 7337470 |
Method for minimizing denial of service attacks on network servers |
Feb. 26, 2008 |
| 7337316 |
Packet authentication |
Feb. 26, 2008 |
| 7333613 |
Cyphering of the content of a memory external to a processor |
Feb. 19, 2008 |
| 7334127 |
Key agreement and transport protocol |
Feb. 19, 2008 |
| 7334131 |
Protected storage of a datum in an integrated circuit |
Feb. 19, 2008 |
| 7325134 |
Localized network authentication and security using tamper-resistant keys |
Jan. 29, 2008 |
| 7319758 |
Electronic device with encryption/decryption cells |
Jan. 15, 2008 |
| 7308575 |
Data scrambling system for a shared transmission media |
Dec. 11, 2007 |
| 7302709 |
Key-based secure storage |
Nov. 27, 2007 |
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