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7631346 |
Method and system for a runtime user account creation operation within a single-sign-on process in a federated computing environment
A method, system, apparatus, and computer program product are presented to support computing systems of different enterprises that interact within a federated computing environment. Federated...
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7630493 |
Multiple factor private portion of an asymmetric key
Techniques for generating a private portion of a split private key of an asymmetric key pair are provided. Multiple factors upon which the private portion of the split private key is based are...
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7627126 |
Systems and methods for implementing path length control for quantum cryptographic systems
A quantum cryptographic key distribution (QKD) endpoint ( 405 ) includes a QKD receiver and a feedback system ( 1600 ). The QKD receiver receives symbols transmitted over a QKD path. The feedback...
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7620993 |
Copyright protection system, key generation apparatus, recording apparatus, reproduction apparatus, read-out apparatus, decryption apparatus, recording medium, recording method and program
Apparatuses are classified into a plurality of categories, and based on a media key and device key data held by apparatuses belonging to the respective categories, revocation data intended for...
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7620187 |
Method and apparatus for ad hoc cryptographic key transfer
Method and apparatus for obtaining a cryptographic key by dispatching a key request to a communications channel, receiving a response from one or more key sources, selecting a key source according...
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7617390 |
Server authentication in non-secure channel card pin reset methods and computer implemented processes
A method for resetting a pin on an access card is disclosed. The method includes generating a server authentication (SA) public key and an SA private key and attempting a write of the SA public key...
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7610484 |
Customizable public key infrastructure and development tool for same
A public key infrastructure comprises a client side to request and utilize certificates in communication across a network and a server side to administer issuance and maintenance of said...
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7609839 |
Quantum key distribution method and communication device
In order to create a highly-secured common key while a data error on a transmission path is corrected by an error correction code having remarkably high characteristics, in a quantum key...
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7603557 |
Communication device, communication system and authentication method
A communication device, a communication system and an authentication system for preventing a disguising act by an illegal man-in-the-middle and improving the safety and certainty of authentication...
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7599497 |
Key management protocol
A key distribution server maintains a tree of nodes. Members of a group who are allowed access to information are associated with respective leaf nodes of the tree. The information is encrypted...
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7599493 |
Asymmetric key pair having a kiosk mode
Techniques for providing different levels of access based upon a same authentication factor are provided. A first message is received that is transformed with a first portion of a split private...
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7596697 |
Technique for providing multiple levels of security
Techniques for authentication are provided. A first authentication request transformed with a private portion of a first type split private key is received. A first user is authenticated for a...
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7593528 |
Managing device keys in cryptographic communication
To delegate authority for cryptographic communication without increasing the risk of leaking a device key. A system and method including a first communication apparatus and a managing apparatus...
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7590247 |
System and method for reusable efficient key distribution
A system and method for reusable efficient key distribution is disclosed. Key distribution is effected through the application of self-repairing groups that obviate the need for key distribution...
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7590238 |
Managing device keys in cryptographic communication
To delegate authority for cryptographic communication without increasing the risk of leaking a device key. A system and method including a first communication apparatus and a managing apparatus...
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7587607 |
Attesting to platform configuration
Receiving a request for an attestation of platform configuration from an attestation requestor, receiving an acceptable configuration, and if the platform matches the acceptable configuration,...
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7581244 |
IMX session control and authentication
A secured network connection requires three authentication routines. A system access authentication routine requires a client network device to submit user authentication information to a network...
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7577258 |
Apparatus and method for group session key and establishment using a certified migration key
A method and apparatus for group session key and establishment using a certified migration key are described. In one embodiment, the method includes exporting of a protected certified migration key...
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7568223 |
Internet protocol telephony security architecture
A secure Internet Protocol (IP) telephony system, apparatus, and methods are disclosed. Communications over an IP telephony system can be secured by securing communications to and from a Cable...
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7568113 |
Reliable storage medium access control method and device
A method of and device ( 110 ) for granting access to content on a storage medium ( 101 ), comprising obtaining cryptographic data (Y) from a property ( 102 ), such as a wobble, of the storage...
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7562224 |
System and method for multi-session establishment for a single device
A system and method that allows a device to complete a single complete authentication sequence to a AAA server resulting in as many secure sessions required for the different applications or...
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7555127 |
Quantum cryptography key distribution system and method
In a quantum cryptography key distribution system for sharing a secret key between a transmitter and a receiver site, an unbalanced interferometer system in the transmitter site has a Mach-Zehnder...
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7546468 |
Program update method and server
A system including a secure LSI 1 establishes a communication path to/from a server 3 (UD 1 ), and receives a common key-encrypted program generated by encryption with a common key and...
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7542573 |
Providing apparatus, communication device, method, and program
A providing apparatus provides information required for secure communication to first and second devices. The providing apparatus includes a receiving unit that receives a first parameter used by...
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7542571 |
Transmitting second content data with reference for use with first content data
Usage by second content of previously distributed first content, is permitted if the proper electronic signature is incorporated into predetermined data added to the second content. A secret key...
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7539866 |
Method of cryptographing wireless data and apparatus using the method
A key descriptor structure exchanged between a wireless LAN terminal and an access point, and a method and apparatus for cryptographing wireless data are provided. The key descriptor structure...
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7539315 |
Encrypted communication system, key delivery server thereof, terminal device and key sharing method
Provided is a method for updating a group key in a highly secure manner and at high speed. A method includes: a step of making subscriber terminals ( 20 ) perform a part of decryption of an...
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RE40708 |
Dual encryption protocol for scalable secure group communication
A logical tree structure and method for managing membership in a multicast group provides scalability and security from internal attacks. The structure defines key groups and subgroups, with each...
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7522727 |
Method and apparatus for providing authentication in a communication system
A method includes receiving an authentication request from a mobile station ( 401 ) and determining whether to forward the request to an authentication agent. When it is determined to forward the...
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7512234 |
Providing location data about a mobile entity
Location data about a mobile entity ( 20 ) is provided in encrypted form by a location server ( 79 ) to a recipient that is one of the mobile entity ( 20 ) or a service system ( 40 ) usable by the...
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7506164 |
Automated key management system and method
A system and method for automatic key and certificate management is disclosed. In particular, a key store in a base computer contains both new and previously viewed cryptographic keys. When a...
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7502475 |
Method and system for secure key generation
Certain aspects of the invention for producing a secure key may comprise a secure key generator that receives a first, second and third input keys and utilizes these keys to generate a first output...
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7500111 |
Querying encrypted data in a relational database system
A client-server relational database system, wherein data from the client computer is encrypted by the client computer and hosted by the server computer, the encrypted data is operated upon by the...
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7499551 |
Public key infrastructure utilizing master key encryption
The disclosure encrypts and decrypts data using public key infrastructure with and allows an authorized third party to access and decrypt the encrypted data as required without requiring private...
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7493429 |
Communication of information via a side-band channel, and use of same to verify positional relationship
The present invention provides for trusted side-band communications between components in a computer system, so that use of the system bus may be avoided. Two components may be connected by means...
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7486795 |
Method and apparatus for key management in distributed sensor networks
In a distributed sensor network, a method of key management is carried out in several phases, particularly key pre-distribution phase, shared key discovery phase, and as needed, a path key...
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7484105 |
Flash update using a trusted platform module
An update utility requests a signature verification of the utility's signature along with a request to unlock the flash memory stored in the utility. A trusted platform module (“TPM”) performs...
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7483537 |
Selecting cached RSA keys in response to RSA key requests
A method of responding to a request for a key of a first length is provided. According to the method, the request for the key of the first length is received. Moreover, it is determined whether any...
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7477748 |
Session key distribution methods using a hierarchy of key servers
Methods, apparatuses, media and signals for facilitating secure communication between a first device and a second device are disclosed. One method includes automatically identifying a common key...
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7454020 |
System and method for encrypting data in pictorial data
An encryption scheme that uses steganography includes an encryption algorithm that encrypts messages by embedding them in a data stream in such a way that an adversary cannot get information about...
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7451312 |
Authenticated dynamic address assignment
A method for an uninitialized client to obtain credentials from a server which are then used to provide authenticated exchange for network configuration parameter assignment. The obtained...
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7450260 |
Printer driver program and printer
In a printer driver that transmits a print data to a printer connected via a network to make a print request, a document password processing unit prompts a user to input a document password for...
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7447903 |
Laddered authentication security using split key asymmetric cryptography
A user has two asymmetric crypto-keys, the first having a first private key and the second having a second private key, both of which are split into a first private key portion corresponding to a...
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7443986 |
Key allocating method and key allocation system for encrypted communication
Both a management server and a validation server are installed. Both a terminal and a terminal register setting information which is usable in an encrypted communication in the management server....
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7437568 |
Apparatus and method for establishing trust
Computer apparatus comprising a receiver for receiving an integrity metric for a computer entity via a trusted device associated with the computer entity, the integrity metric having values for a...
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7437561 |
Authentication of data transmitted in a digital transmission system
A method of authenticating data transmitted in a digital transmission system, in which the method comprises the steps, prior to transmission, of determining at least two encrypted values for at...
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7437553 |
Systems and methods for providing autonomous security
Systems and methods for providing autonomous security are configured to modify an original header associated with an original data packet wherein key information is added; encrypt original data...
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7434047 |
System, method and computer program product for detecting a rogue member in a multicast group
A system for multicasting a data packet in a multicast group includes a network entity, and a plurality of members of the multicast group. A member can notify the network entity of a rogue member...
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7430542 |
System and method for activating a rendering device in a multi-level rights-management architecture
A digital rights management system for the distribution, protection and use of electronic content. The system includes a client architecture which receives content, where the content is preferably...
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7428637 |
Dynamic authentication and initialization method
A method for authentication of a first client in communication with a second client via an authentication server is disclosed, such that the first client and the second client are authenticated to...
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