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Class Information
Number: 713/177
Name: Electrical computers and digital processing systems: support > Multiple computer communication using cryptography > Particular communication authentication technique > Authentication by digital signature representation or digital watermark > Signature tree
Description: Subject matter wherein the cryptographic processing produces a combined time sequenced verifiable record of plural related data objects.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7627763 |
Multi signature verification system, electronic signature attaching apparatus, data addition apparatus, and electronic signature verification apparatus |
Dec. 1, 2009 |
| 7624276 |
Secure device authentication system and method |
Nov. 24, 2009 |
| 7599828 |
Grammatically correct contraction spelling suggestions for french |
Oct. 6, 2009 |
| 7594273 |
Network security system having a device profiler communicatively coupled to a traffic monitor |
Sep. 22, 2009 |
| 7584351 |
Method of transferring digital certificate,apparatus for transferring digital certificate, and system, program, and recording medium for transferring digital certificate |
Sep. 1, 2009 |
| 7574605 |
Method of managing digital signature, apparatus for processing digital signature, and a computer readable medium for recording program of managing digital signature |
Aug. 11, 2009 |
| 7570759 |
System and method for secure encryption |
Aug. 4, 2009 |
| 7568105 |
Parallel distribution and fingerprinting of digital content |
Jul. 28, 2009 |
| 7568113 |
Reliable storage medium access control method and device |
Jul. 28, 2009 |
| 7539861 |
Creating and storing one or more digital certificates assigned to subscriber for efficient access using a chip card |
May. 26, 2009 |
| 7533267 |
Anti-tampering signature method for rewritable media, anti-tampering signature apparatus for executing the method, anti-tampering signature system provided with the apparatus, and computer-rea |
May. 12, 2009 |
| 7526649 |
Session key exchange |
Apr. 28, 2009 |
| 7512785 |
Revocation distribution |
Mar. 31, 2009 |
| 7509498 |
Digital signature validation |
Mar. 24, 2009 |
| 7506162 |
Methods for more flexible SAML session |
Mar. 17, 2009 |
| 7484096 |
Data validation using signatures and sampling |
Jan. 27, 2009 |
| 7472283 |
Method and apparatus for secured digital video and access tracking |
Dec. 30, 2008 |
| 7461257 |
System for detecting spoofed hyperlinks |
Dec. 2, 2008 |
| 7457958 |
System for detecting authentic e-mail messages |
Nov. 25, 2008 |
| 7454385 |
Transaction signature |
Nov. 18, 2008 |
| 7451321 |
Electronic signature management method |
Nov. 11, 2008 |
| 7434058 |
Generating signatures over a document |
Oct. 7, 2008 |
| 7424706 |
Automatic detection and patching of vulnerable files |
Sep. 9, 2008 |
| 7415612 |
Image encrypting method, and image decrypting method |
Aug. 19, 2008 |
| 7412599 |
Administrative remote notification system and method |
Aug. 12, 2008 |
| 7409556 |
Hybrid digital watermarking for video authentication |
Aug. 5, 2008 |
| 7398395 |
Using multiple watermarks to protect content material |
Jul. 8, 2008 |
| 7362870 |
Method and apparatus for recording/playing back information |
Apr. 22, 2008 |
| 7346170 |
Information processing system and method |
Mar. 18, 2008 |
| 7346779 |
System and method for authenticating electronic documents |
Mar. 18, 2008 |
| 7328347 |
Method and apparatus for distinguishing the origin of operator inputs in electronic control systems and printing machine having the apparatus |
Feb. 5, 2008 |
| 7305086 |
Reducing problems caused by variations in watermark detection results |
Dec. 4, 2007 |
| 7305555 |
Smart card mating protocol |
Dec. 4, 2007 |
| 7302703 |
Hardware token self enrollment process |
Nov. 27, 2007 |
| 7302589 |
Method for securing memory mapped control registers |
Nov. 27, 2007 |
| 7225256 |
Impersonation in an access system |
May. 29, 2007 |
| 7225219 |
Distributed caching architecture for computer networks |
May. 29, 2007 |
| 7222229 |
System for automated boot from disk image |
May. 22, 2007 |
| 7222238 |
Method and system for real-time registration of transactions with a security module |
May. 22, 2007 |
| 7194762 |
Method of creating password list for remote authentication to services |
Mar. 20, 2007 |
| 7191468 |
System and method for multidimensional data compression |
Mar. 13, 2007 |
| 7178024 |
Security service for an electronic marketplace |
Feb. 13, 2007 |
| 7165051 |
Electronic commerce system and method for detecting fraud |
Jan. 16, 2007 |
| 7165179 |
Digital signature verification and program transmission |
Jan. 16, 2007 |
| 7149901 |
Cryptographically protected paging system |
Dec. 12, 2006 |
| 7111171 |
Parallel distribution and fingerprinting of digital content |
Sep. 19, 2006 |
| 7058811 |
Apparatus and method to prevent a device driver from loading on a counterfeit hardware element |
Jun. 6, 2006 |
| 7058820 |
Information processing system, medium, information processing apparatus, information processing method, storage medium storing computer readable program for realizing such method |
Jun. 6, 2006 |
| 7047414 |
Managing database for reliably identifying information of device generating digital signatures |
May. 16, 2006 |
| 7036014 |
Probabilistic signature scheme |
Apr. 25, 2006 |
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