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Class Information
Number: 713/176
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
Description: Subject matter wherein a data object is cryptographically processed to produce a unique identifier which subsequently verifies the data object.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620816 |
System and method for automatic selection of service provider for efficient use of bandwidth and resources in a peer-to-peer network environment |
Nov. 17, 2009 |
| 7620200 |
Authentication of identification documents |
Nov. 17, 2009 |
| 7620198 |
Watermark coding method and recording medium thereof |
Nov. 17, 2009 |
| 7617542 |
Location-based content protection |
Nov. 10, 2009 |
| 7617398 |
Derivation and quantization of robust non-local characteristics for blind watermarking |
Nov. 10, 2009 |
| 7617397 |
Systems and methods for generation and validation of isogeny-based signatures |
Nov. 10, 2009 |
| 7617396 |
Method and apparatus for watermarking binary computer code with modified compiler optimizations |
Nov. 10, 2009 |
| 7616837 |
Image processing apparatus, image processing method, program, and storage medium |
Nov. 10, 2009 |
| 7616776 |
Methods and apparatus for enhancing the robustness of watermark extraction from digital host content |
Nov. 10, 2009 |
| 7614558 |
Document correction detection system and document tampering prevention system |
Nov. 10, 2009 |
| 7614086 |
Monitoring apparatus, computer program and network for secure data storage |
Nov. 3, 2009 |
| 7614077 |
Persistent access control of protected content |
Nov. 3, 2009 |
| 7613926 |
Method and system for protecting a computer and a network from hostile downloadables |
Nov. 3, 2009 |
| 7613711 |
Specification of a hierarchical authorization model for a DBMS--SQL language extensions |
Nov. 3, 2009 |
| 7613701 |
Matching of complex nested objects by multilevel hashing |
Nov. 3, 2009 |
| 7610623 |
Integrity ordainment and ascertainment of computer-executable instructions with consideration for execution context |
Oct. 27, 2009 |
| 7610489 |
Authentication device, authentication system, authentication method, program and recording medium |
Oct. 27, 2009 |
| 7610484 |
Customizable public key infrastructure and development tool for same |
Oct. 27, 2009 |
| 7610273 |
Application identity and rating service |
Oct. 27, 2009 |
| 7609850 |
Data processing apparatus and method |
Oct. 27, 2009 |
| 7609849 |
Data processing apparatus and method |
Oct. 27, 2009 |
| 7609848 |
Multi-stage watermarking process and system |
Oct. 27, 2009 |
| 7607020 |
Communication with an external source application |
Oct. 20, 2009 |
| 7607019 |
Small memory footprint fast elliptic encryption |
Oct. 20, 2009 |
| 7607018 |
Method and apparatus for collecting electronic signatures |
Oct. 20, 2009 |
| 7607017 |
Embedding data in material |
Oct. 20, 2009 |
| 7607016 |
Including a metric in a digital watermark for media authentication |
Oct. 20, 2009 |
| 7606389 |
Digital watermarking apparatus and computer-readable medium |
Oct. 20, 2009 |
| 7606388 |
Contents border detection apparatus, monitoring method, and contents location detection method and program and storage medium therefor |
Oct. 20, 2009 |
| 7606366 |
Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation |
Oct. 20, 2009 |
| 7603720 |
Non-repudiation watermarking protection based on public and private keys |
Oct. 13, 2009 |
| 7603699 |
Method for establishing trust online |
Oct. 13, 2009 |
| 7603562 |
System and method for reducing memory requirements of firmware |
Oct. 13, 2009 |
| 7603561 |
Methods and apparatus for input of coded image data |
Oct. 13, 2009 |
| 7603560 |
Method and apparatus for digital signature authentication |
Oct. 13, 2009 |
| 7603559 |
Real-time signature embedding in video |
Oct. 13, 2009 |
| 7603554 |
Encryption communication system |
Oct. 13, 2009 |
| 7602939 |
Encoding device, decoding device, encoding method, decoding method, and storage medium storing programs thereof |
Oct. 13, 2009 |
| 7600125 |
Hash-based data block processing with intermittently-connected systems |
Oct. 6, 2009 |
| 7600124 |
Method of and system for associating an electronic signature with an electronic record |
Oct. 6, 2009 |
| 7600114 |
Method and system for vehicle authentication of another vehicle |
Oct. 6, 2009 |
| 7599515 |
Wireless communication method and apparatus for generating, watermarking and securely transmitting content |
Oct. 6, 2009 |
| 7596700 |
Method and system for establishing trusting environment for sharing data between mutually mistrusting entities |
Sep. 29, 2009 |
| 7596699 |
Battery authentication system |
Sep. 29, 2009 |
| 7596221 |
Detection of a watermark in a digital signal |
Sep. 29, 2009 |
| 7594261 |
Cryptographic applications of the Cartier pairing |
Sep. 22, 2009 |
| 7594118 |
Data-processing system and method for controlling same, computer program, and computer-readable recording medium |
Sep. 22, 2009 |
| 7594108 |
Operator root certificates |
Sep. 22, 2009 |
| 7593902 |
Communication system, communication method, server apparatus, and client apparatus |
Sep. 22, 2009 |
| 7593901 |
System and method for improving reliability of distributed electronic transactions |
Sep. 22, 2009 |
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