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Class 713/157 - Chain or hierarchical certificates


Subclass of Class 713 - Electrical computers and digital processing systems: support
Definition: Subject matter wherein a certificate references
No. of patents: 238
Last issue date: 05/15/2012


1            
NumberTitleIssue Date
8181017Certificate 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
8145899Creation 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
8140843Content 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
8078866Trust 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
8028163Method 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
7937584Method 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
7921283Method 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
7913081Dynamic 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
7877600Method 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
7849308Data 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
7814313System, 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
7788485Method 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
7747852Chain 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
7721087Cross 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
7721088Terminal 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
7707406Certificate 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
7631183System 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
7594108Operator 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
7584351Method 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
7571314Method 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
7568096Rendering 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
7539861Creating 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
7536635Enabling 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
7526643System 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
7478236Method 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
7461250System 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
7444509Method 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
7441115Method 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
7418597Apparatus 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
7412524Method 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
7409704System 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
7409553Public 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
7409554Data 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
7409370Secured 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
7404078Methods 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
7398396Electronic 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
7395550Trust 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
7392379Firewall 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
7383434System 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
7383433Trust 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
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