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| Number | Title | Issue Date |
| 8181017 | Certificate renewal An intermediate certificate authority (ICA) for a hierarchical certificate authority structure (HCAS), the HCAS having a plurality of levels, the levels including a root level, at least one intermediate level, and a leaf level, the root level having a root certifica... | 05/15/2012 |
| 8145899 | Creation of user digital certificate for portable consumer payment device A method for creating a digital certificate for a user issued by a reliant party, where the reliant party relies on an established cryptographic infrastructure by a registration or certificate authority is described. The registration authority, typically a large fin... | 03/27/2012 |
| 8140843 | Content control method using certificate chains Continuous strings of certificates in a certificate chain received by a memory device sequentially in the same order that the strings are verified. Each string except for the last may be overwritten by the next one in the sequence. ... | 03/20/2012 |
| 8078866 | Trust information delivery scheme for certificate validation A unique TIO based trust information delivery scheme is disclosed that allows clients to verify received certificates and to control Java and Javascript access efficiently. This scheme fits into the certificate verification process in SSL to provide a secure connect... | 12/13/2011 |
| 8028163 | Method of digitally signing data and a data repository storing digitally signed data A hierarchical digital signature method is provided by which different levels of data elements of a data entry are processed in turn to derive function values (for example hash function values) for data elements in the level which are to form part of the digital sig... | 09/27/2011 |
| 7937584 | Method and system for key certification A method and system for key certification in a public key infrastructure. The infrastructure has a network formed of a plurality of nodes. Each node has a private and public key pair. The nodes are either or both a certifying node and a certified node. A certifying ... | 05/03/2011 |
| 7921283 | Method for real-time data authentication A digital signature is applied to digital data in real-time. The digital signature serves as a mark of authenticity assuring a recipient that the digital data did in fact originate from an indicated source. The digital signature may be applied to any digital data, i... | 04/05/2011 |
| 7913081 | Dynamic certification of components Embodiments of the present invention provide methods and systems for dynamically certifying components. Various entities may participate in the certification process. Operational data from live systems in use may also be collected and considered as part of the certi... | 03/22/2011 |
| 7877600 | Method and apparatus for distributing root certification An apparatus and method for providing at least one root certificate are disclosed. Specifically, a plurality of root certificates is received and stored. Afterwards, a request is received from a first endpoint device for a desired root certificate, where the desired... | 01/25/2011 |
| 7849308 | Data generating device and control method thereof, data analyzing device and control method thereof, data processing system, program and machine-readable storage medium A data generating device comprises a variable-length data input unit adapted to input variable-length data, an embedding unit adapted to embed identification data corresponding to format information indicating the format of the variable-length data to the variable-l... | 12/07/2010 |
| 7814313 | System, terminal, network entity, method and computer program product for authorizing communication message A system, terminal, method, and computer program product use a capability certificate to authorize a sender to send a communication message to a recipient, such that the recipient can quickly and easily determine whether to receive the message. In this regard, a sys... | 10/12/2010 |
| 7788485 | Method and system for secure transfer of electronic information A method and system for secure transfer of electronic information. The method and system allow secure transfer of electronic information, such as electronic mail (e-mail) using digital certificates. ... | 08/31/2010 |
| 7747852 | Chain of trust processing A technique for automatically obtaining a second certificate for a user using a first certificate includes accessing a server platform using a user's server and the first certificate of the user to create a connection that authenticates both the user's server identi... | 06/29/2010 |
| 7721087 | Cross UI platform alerting of security status Mobile device user interface techniques are disclosed that can run across multiple platforms. These techniques allow for unobtrusive and intuitive communication with the user of the mobile device. For instance, one particular embodiment of the present invention allo... | 05/18/2010 |
| 7721088 | Terminal device, server device, and content distribution system To provide a content distribution system which can prevent use of content which has been temporarily stored after the valid period. A content distribution system (1) including a license server (101) which issues a license, a content server (1... | 05/18/2010 |
| 7707406 | Certificate renewal in a certificate authority infrastructure A system using digital certificates having overlapping validity intervals. The overlapping certificates can be used in a hierarchical certificate authorities network in order to obtain benefits such as to increase the usage of all the certificates in the certificate... | 04/27/2010 |
| 7631183 | System and method for retrieving related certificates A system and method for searching and retrieving certificates, which may be used in the processing of encoded messages. In one embodiment, a certificate synchronization application is programmed to perform certificate searches by querying one or more certificate ser... | 12/08/2009 |
| 7594108 | Operator root certificates When an application is loaded into a device (100, 200), the device verifies that the application originates from a trusted operator. The verification implies that the application must, in a secure manner, present itself to the device in such a way that the de... | 09/22/2009 |
| 7584351 | Method of transferring digital certificate,apparatus for transferring digital certificate, and system, program, and recording medium for transferring digital certificate A method of transferring digital certificates from a digital-certificate transferring apparatus to a communications counterpart. The method includes authenticating the communications counterpart using a common certificate and transferring a normal certificate to the... | 09/01/2009 |
| 7571314 | Method of assembling authorization certificate chains A method for assembling authorization certificate chains among an authorizer, a client, and a third party allows the client to retain control over third party access. The client stores a first certificate from the authorizer providing access to a protected resource ... | 08/04/2009 |
| 7568096 | Rendering digital content in a content protection system according to a plurality of chained digital licenses A request to render encrypted content is received and a chain of licenses corresponding to the content is located. The chain includes a leaf license linked to the content at one end of the chain, a root license at the other end of the chain, and any intermediate lic... | 07/28/2009 |
| 7539861 | Creating and storing one or more digital certificates assigned to subscriber for efficient access using a chip card A method for creating a digital certificate for a user issued by a reliant party, where the reliant party relies on an established cryptographic infrastructure by a registration or certificate authority is described. The registration authority, typically a large fin... | 05/26/2009 |
| 7536635 | Enabling users to redact portions of a document Systems and methods for redacting portions of a document resulting in one or more versions of the document that show to readers the portions of the document that have been redacted. At least one of these one or more versions may have the content of the redacted port... | 05/19/2009 |
| 7526643 | System for transmitting encrypted data A system for transmitting encrypted data. A plurality of nested communication links are communicably connected to a network. Each communication link includes an originating node and a terminating node which are adapted to route a transmission therebetween. Transmiss... | 04/28/2009 |
| 7478236 | Method of validating certificate by certificate validation server using certificate policies and certificate policy mapping in public key infrastructure The present invention provides a method of validating a certificate by a certificate validation server using certificate policy and certificate policy mapping in a public key infrastructure (PKI). If the certificate validation server receives, from a client, an obje... | 01/13/2009 |
| 7461250 | System and method for certificate exchange In an embodiment of a system and method according to the present invention, a chain of one or more certificates certifying a principal's public key is exchanged for a single substitute certificate. The substitute certificate is used as a replacement for the certific... | 12/02/2008 |
| 7444509 | Method and system for certification path processing A method, an apparatus, a system, and a computer program product are presented for validating certificates. A certificate validation service receives a certificate validation request for a target certificate from a client, thereby allowing the client to offload cert... | 10/28/2008 |
| 7441115 | Method for verifying a digital signature The invention provides a method for verification having a structure that reflects reliability of a signature history properly for a hysteresis signature used for verification based on the signature history, and provides a method for arbitration and an arbitrator app... | 10/21/2008 |
| 7418597 | Apparatus for accepting certificate requests and submission to multiple certificate authorities Disclosed herein are several digital certificate discovery and management systems. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims. ... | 08/26/2008 |
| 7412524 | Method and system for authentication when certification authority public and private keys expire This invention relates to a method for enabling the use of valid authentication certificates when the public key and private keys of any of the certifying authority have expired, comprising obtaining a server certifying authority chain (SCAC) certificate by the serv... | 08/12/2008 |
| 7409704 | System and method for local policy enforcement for internet service providers A telecommunications system and method is disclosed for implementing a Policy Enforcement Point (PEP) for an Internet Service Provider (ISP) at the subscriber premises. This PEP enforces policies with respect to authentication of subscribers, authorization to access... | 08/05/2008 |
| 7409553 | Public key certificate generation method, validation method and apparatus thereof A public key certificate generation method includes the steps of: sending a certificate issuing request including a registration contents of a public key certificate and an information content guaranteed by the registration authority, to the issuing authority in a r... | 08/05/2008 |
| 7409554 | Data processing system, memory device, data processing unit, and data processing method and program To provide an improved management structure of memory devices storing service-use applications. A card for a memory device applied to use various services is provided as one child card or more corresponding to each of the services, a parent card-stores data for chil... | 08/05/2008 |
| 7409370 | Secured and selective runtime auditing services using a trusted computing device In an embodiment, an apparatus includes a control logic to selectively audit transactions between the apparatus and a separate entity based on a type for the transactions. The apparatus also includes an encryption logic to encrypt an audit log that includes at least... | 08/05/2008 |
| 7404078 | Methods and apparatus for private certificates in public key cryptography Private certificates designed to counteract problems associated with certificate lending are configured such that disclosure of a secret key associated with one certificate automatically results in disclosure of a secret key associated with another certificate, whil... | 07/22/2008 |
| 7398396 | Electronic signature method, program and server for implementing the method In order to apply an electronic signature from a client station having authentication resources at a server, the following steps are carried out: the client station is authenticated at the server, thus establishing an authenticated communication channel; a private k... | 07/08/2008 |
| 7395550 | Trust management systems and methods The present invention provides systems and methods for making efficient trust management decisions. A trust management engine is provided that processes requests for system resources, authorizations or certificates, and the identity of one or more root authorities t... | 07/01/2008 |
| 7392379 | Firewall system for interconnecting two IP networks managed by two different administrative entities Firewall system for interconnecting a first IP network (10) to a second IP network (16), these networks belonging to two different entities having each a different administration wherein any data packet transmitted/received by the first IP network is f... | 06/24/2008 |
| 7383434 | System and method of looking up and validating a digital certificate in one pass A system and method for a certificate verifier to make a request to a certificate distribution server for a copy of another entity's digital certificate and to have the certificate distribution center validate it. The certificate distribution center can request the ... | 06/03/2008 |
| 7383433 | Trust spectrum for certificate distribution in distributed peer-to-peer networks Embodiments of a decentralized, distributed trust mechanism that may be used in peer-to-peer platforms, to implement trust relationships based on data relevance between peers on a network and to implement trust relationships between peers and content and data (codat... | 06/03/2008 |
