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| Number | Title | Issue Date |
| 8117456 | Network system, server and information terminal for list matching A method, apparatus and system to ensure the security in the information exchange and to provide list matching with higher efficiency and practicality. In a particular embodiment, each of lists to be subject to list matching is represented as a polynomial having roo... | 02/14/2012 |
| 8037312 | Method and apparatus for digital signature authentication, and computer product An apparatus for digital signature authentication includes a dividing unit that divides streaming data into plural pieces of partial data in a predetermined unit; a first creating unit that creates a hash value string including plural hash values corresponding to th... | 10/11/2011 |
| 7984302 | Electronic document management apparatus, electronic document management method, and computer program An apparatus includes a digital signature verification data embedding unit and a signing unit. The digital signature verification data embedding unit is configured to embed digital signature verification data for use in verification of a digital signature for an ele... | 07/19/2011 |
| 7979712 | Network system, server and information terminal for list matching A method, apparatus and system to ensure the security in the information exchange and to provide list matching with higher efficiency and practicality. In a particular embodiment, each of lists to be subject to list matching is represented as a polynomial having roo... | 07/12/2011 |
| 7814327 | Document registration A document accessible over a network can be registered. A registered document, and the content contained therein, cannot be transmitted undetected over and off of the network. In one embodiment, the invention includes maintaining a plurality of stored signatures, ea... | 10/12/2010 |
| 7752448 | Domain-based application functionality Systems and methods of providing a desktop framework. The desktop framework may include an application framework component that includes a set of core libraries that provide desktop applications access to data and services, a download component that maintains versio... | 07/06/2010 |
| 7725727 | Automatic signature generation for content recognition A user provides signature attributes to a computer system for generating a signature, such as content directories, a signature accuracy level, and whether an existing signature database exists. The computer system generates a signature and the user tests the signatu... | 05/25/2010 |
| 7627763 | Multi signature verification system, electronic signature attaching apparatus, data addition apparatus, and electronic signature verification apparatus A multi signature verification system adds new additional data to original data with a signature attached thereto and verifies validity of the original data and the additional data. The system includes an electronic signature attaching apparatus including an electro... | 12/01/2009 |
| 7624276 | Secure device authentication system and method A technique for security and authentication on block-based media includes involves the use of protected keys, providing authentication and encryption primitives. A system according to the technique may include a secure device having a security kernel with protected ... | 11/24/2009 |
| 7574605 | Method of managing digital signature, apparatus for processing digital signature, and a computer readable medium for recording program of managing digital signature A method of managing digital signature includes the steps of preparing a signature log file storing signature log entry information, generating a new digital signature for a transmission message by reflecting, in the new digital signature, signature log entry inform... | 08/11/2009 |
| 7509498 | Digital signature validation A second digital credential that includes a first digital credential and a digital signature is received, and the validity of the second digital credential is determined. A determination is made whether the first digital credential is valid based on the validity of ... | 03/24/2009 |
| 7451321 | Electronic signature management method An apparatus for creating a framework for the creation, editing, signing and signature verification of multiple documents includes a master, or cover, document as a holder and display source for the subdocuments created within the cover document. The cover document ... | 11/11/2008 |
| 7434058 | Generating signatures over a document A document accessible over a network can be registered. A registered document, and the content contained therein, cannot be transmitted undetected over and off of the network. In one embodiment, the invention includes maintaining a plurality of stored signatures ove... | 10/07/2008 |
| 7424706 | Automatic detection and patching of vulnerable files Systems and methods are described that enable patching of security vulnerabilities in binary files. The detection and patching of vulnerable binary files is automatic, reliable, regression free, and comprehensive across networks on an unlimited scale. These advantag... | 09/09/2008 |
| 7415612 | Image encrypting method, and image decrypting method An image decrypting apparatus derives spectral reflectance of the face of an original on the basis of obtained original image data, built-in light source data and basis function data, and obtains weighted coefficients of each pixel as object color component data. Th... | 08/19/2008 |
| 7412599 | Administrative remote notification system and method Apparatus and method are provided for performing remote notification of records, each having a respective record identifier. A record-user mapping associates with each record identifier a respective one or more user names. For each record upon which remote notificat... | 08/12/2008 |
| 7409556 | Hybrid digital watermarking for video authentication A hybrid digital watermarking system for video authentication includes an authenticated acquisition subsystem for digitally watermarking video data and a video management subsystem in signal communication with the authenticated acquisition subsystem for verifying th... | 08/05/2008 |
| 7398395 | Using multiple watermarks to protect content material Content material is protected with a variety of watermarking processes. Different subsets of the protected content material are submitted to different watermarking processes. At the rendering device, a watermark detector is configured to detect one or more different... | 07/08/2008 |
| 7373503 | Public key certificate revocation list generation apparatus, revocation judgement apparatus, and authentication system An authentication system is provided having a revocation list generation apparatus that constructs and stores a revocation list in a tree structure, the revocation list generation apparatus being used in combination with a revocation judgment apparatus. The authenti... | 05/13/2008 |
| 7370206 | Self-signing electronic documents Methods and apparatus, including computer program products, implement techniques for performing digital signature operations on electronic content. An electronic document includes a digital signature module. The electronic document is accessed using a user applicati... | 05/06/2008 |
| 7366722 | System and method for specifying application services and distributing them across multiple processors using XML A system and method that uses XML schemas to specify the set of allowed calls, to invoke multiple function calls, either hierarchically or sequentially, and to specify the calls in such a way that they can be distributed across multiple processors. An XML schema mec... | 04/29/2008 |
| 7363052 | Information distribution system for improved response to safety and security incidents A field deployable data processing and communications device such as a portable personal digital assistant (PDA) device is configured and programmed for collecting local information such as environmental, chemical or biological data, images and voice messages, at th... | 04/22/2008 |
| 7362870 | Method and apparatus for recording/playing back information A data processing apparatus extracts a root key by decrypting an enabling key block. The data processing apparatus then produces a content key on the basis of a random number and encrypts the content key using the root key. Furthermore, the data processing apparatus... | 04/22/2008 |
| 7357196 | Method and system for predicting performance of a drilling system for a given formation A method and apparatus for predicting the performance of a drilling system for the drilling of a well bore in a given formation includes generating a geology characteristic of the formation per unit depth according to a prescribed geology model, obtaining specificat... | 04/15/2008 |
| 7356145 | Arranging data ciphering in a wireless telecommunication system Arranging data ciphering in a telecommunication system comprising at least one wireless terminal, a wireless local area network and a public land mobile network. At least one first ciphering key according to the mobile network is calculated in the mobile network and... | 04/08/2008 |
| 7346779 | System and method for authenticating electronic documents A method for securing an electronic document (22) comprising attaching a biometric characteristic (20) and the electronic document (22) to form a biometric characteristic-document combination and encrypting the biometric characteristic-document ... | 03/18/2008 |
| 7346170 | Information processing system and method An information processing system and method are disclosed in which information processing is performed using an enabling key block (EKB) in association with a tree structure including category subtrees. A key tree is produced, which include subtrees that are grouped... | 03/18/2008 |
| 7340611 | Template-driven XML digital signature An XML digital signature standard is applied to an XML document to sign it. The XML digital signature is an XML fragment with a specified schema that includes (a) data to describe how the signature should be calculated (e.g., digest methods, filters, and data source... | 03/04/2008 |
| 7340600 | Authorization infrastructure based on public key cryptography A public key authorization infrastructure includes a client program accessible by a user and an application program. A certificate authority issues a long-term certificate that binds a public key of the user to long-term identification information related to the use... | 03/04/2008 |
| 7333616 | Approach for managing access to messages using encryption key management policies Controlling access to disseminated messages includes implementing one or more key management policies that specify how various encryption keys are maintained and in particular, when encryption keys are made inaccessible. Deleting a particular key renders inaccessibl... | 02/19/2008 |
| 7328347 | Method and apparatus for distinguishing the origin of operator inputs in electronic control systems and printing machine having the apparatus A method and an apparatus distinguish the origin of operator inputs in electronic control systems having at least one first operating element and at least one second operating element. A first signal is processed in the electronic control system when the at least on... | 02/05/2008 |
| 7315866 | Method for incremental authentication of documents A method of protecting an electronic document, the method comprising dividing an original document into data blocks; generating a corresponding hash value for each data block; generating a corresponding hash value for a group of data blocks (GOB); generating a hash ... | 01/01/2008 |
| 7315948 | Time stamping method employing a separate ticket and stub A time stamping protocol has two stages referred to as the ticketing stage and the certification stage. During the ticketing stage, the document or other identifying data is sent to the TSA. The TSA generates a “ticket” based on the document or other identifying... | 01/01/2008 |
| 7313703 | Method for protecting a microcomputer system against manipulation of data stored in a storage assembly A method of protecting a microcomputer system against manipulation of data stored in a storage assembly of the microcomputer system, in particular a control program stored there. Checking mechanisms are executed at preselectable points in times to check for manipula... | 12/25/2007 |
| 7310149 | Systems and methods for measurement of properties of small volume liquid samples A system for measuring properties of small volume samples includes a source of electromagnetic radiation; a first optical system; an optical delivery system; a sample holding assembly; a second optical system; a detecting system; an optical transmission system; a da... | 12/18/2007 |
| 7310817 | Centrally managed malware scanning A malware detecting system is described in which a client computer 8 sends a file access clearance request to an assessment computer 24 to determine whether or not access is permitted to that file. In this way, the different client computers on a netwo... | 12/18/2007 |
| 7305475 | System and method for enabling a client application to operate offline from a server One disadvantage of the client/server computing model is the client's strong dependence on the server. A system and method are disclosed for enabling a client application to operate offline from the server. For each request, the client application registers a reques... | 12/04/2007 |
| 7305555 | Smart card mating protocol A system is described for uniquely mating components of a communication network such as a smartcard and a set-top box. When mated, the smartcard and set-top box are tied together and have a single identity. Further, the smartcard operates properly only when inserted... | 12/04/2007 |
| 7305564 | System and method to proactively detect software tampering Software intrusion is proactively detected using a dynamically evolving audit log wherein log entries are generated in the audit log and key values are evolved based upon a one-way function depending on both the previous log entry and the previous key. The audit log... | 12/04/2007 |
| 7305558 | Digital signing method According to the invention, techniques for authenticating that a digitally signed document is genuine. Specific embodiments according to the present invention can determine whether a digital signature was generated by a digital signature generator, or if the digital... | 12/04/2007 |
