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7624269 |
Secure messaging system with derived keys
Secure messages may be sent between senders and recipients using symmetric message keys. The symmetric message keys may be derived from a master key using a key generator at an organization. A...
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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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7620821 |
Processor including general-purpose and cryptographic functionality in which cryptographic operations are visible to user-specified software
A processor including general-purpose and cryptographic functionality, in which cryptographic operations are visible to user-specified software. According to one embodiment, a processor may include...
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7620820 |
Content data processing method, recording device, and reproduction device
The present invention provides a data processing method for encrypting or decrypting contents data using contents key data. The method comprises generating the reference information including data...
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7620812 |
System for authenticating remotely generated optical control signals
An authentication system authenticates remotely generated optical control signals. A remote optical emitter transmits an optical control signal from a remote location. A remote authentication...
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7620606 |
Method and apparatus for secure and small credits for verifiable service provider metering
A method and apparatus for obtaining access to services of service providers. In one embodiment, the method comprises requesting a desired service through a foreign service provider. ( 101 ),...
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7620186 |
Method for establishing an encrypted communication by means of keys
A method of establishing an encrypted communication by using keys between a first electronic device associated with a first trusted authority and a second electronic device, including generating a...
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7620185 |
Preview of payable broadcasts
Content items or portions of content items are made available for previewing according to various techniques. In some techniques, designated portions of content items are transmitted in plaintext,...
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7620182 |
QKD with classical bit encryption
A method for enhancing the security of a quantum key distribution (QKD) system having QKD stations Alice and Bob. The method includes encrypting key bits generated by a true random number generator...
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7617158 |
System and method for digital rights management of electronic content
Digital rights management is described involving a device, a content issuer, and a rights issuer. A content encryption key (CEK) is encrypted using a public key associated with the device to...
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7613302 |
Systems and methods for compression of key sets having multiple keys
Systems, methods and modulated data signals are described herein that provide an efficient way to derive a single key from which a user can extract virtually any number of data encryption keys. A...
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7613301 |
Data storage device and data storage method
A code range which is the range of usable identification codes (corresponding to file names or directory names) is stored in an area defining area corresponding to a directory, and a layer...
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7606557 |
Mobile communication terminal having a function of reading out information from contactless type communication tag and method for providing information of whether an article is genuine or not
Provided are a mobile communication terminal having a tag read function and a method of providing genuine product authentication service. The mobile communication terminal having the tag read...
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7606370 |
System, method and computer program product for updating security criteria in wireless networks
A system, method and computer program product are provided. In use, a key is distributed to a plurality of nodes of a wireless network for use in securing the nodes during use of the wireless...
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7606369 |
Process for establishing a common cryptographic key for N subscribers
A process is described which can be used to generate a cryptographic key for a group of subscribers whose number is subject to change. The process can further provide that even after the group key...
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7606361 |
Sending a message securely over an insecure channel
Sending a message securely on an insecure channel. The message is encoded in the form of a singular matrix, and multiplied with a first non-singular matrix. The resulting first cipher data is sent...
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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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7602919 |
Method of integrating QKD with IPSec
A method of integrating quantum key distribution (QKD) with Internet protocol security (IPSec) to improve the security of IPSec. Standard IPSec protocols impose limits on the frequency at which...
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7602914 |
Utilization of encrypted hard drive content by one DVR set-top box when recorded by another
A system and method for encrypting and recording content to removable storage media for use by multiple set-tops. When content is recorded to the storage media, the content is encrypted with a...
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7602913 |
Retrieval and transfer of encrypted hard drive content from DVR set-top box utilizing second DVR set-top box
A system and method for retrieval and transfer of encrypted content from a first set-top box utilizing a second set-top box. When content is recorded to the storage device of the first set-top box,...
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7600134 |
Theft deterrence using trusted platform module authorization
A method for theft deterrence of a computer system is disclosed. The computer system includes a trusted platform module (TPM) and storage medium. The method comprises providing a binding key in the...
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7599927 |
Method for searching content particularly for extracts common to two computer files
The present invention relates to searching content, particularly for at least one extract common to a first data file and a second data file. The method comprises a preliminary step of preparing at...
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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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7596368 |
Wireless access point apparatus and method of establishing secure wireless links
A wireless network is connectable to an authentication server. Each access point in the wireless network includes a supplicant processing unit, an authenticator processing unit, and a function...
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7596227 |
System method and model for maintaining device integrity and security among intermittently connected interoperating devices
System, device, method, and computer program and computer program products for providing communicating between devices having similar or dissimilar characteristics and facilitating seamless...
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7596226 |
Mobile terminal, method and computer program product for storing and retrieving network parameters
A mobile terminal, method and computer program product are provided for storing sets of parameters, including the encryption keys, utilized during prior communication sessions with various networks...
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7596223 |
User control of a secure wireless computer network
A wireless network is established between a station and an access point for the network using a sequence of messages that securely transmit authentication information from the station to the access...
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7594116 |
Mediated key exchange between source and target of communication
A system for communicating a message securely between a sender and a receiver. The sender provides a key server with a string specifying the receiver. The key server obtains a message key and a...
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7590869 |
On-chip multi-core type tamper resistant microprocessor
The on-chip multi-core type tamper resistant processor has a feature that, on the microprocessor package which has a plurality of instruction execution cores on an identical package and an...
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7590856 |
System for managing license for protecting content, server for issuing license for protecting content, and terminal for using content protected by license
A license server 1 comprises: a license table for managing licenses purchased by users; a communication control section 20 for transmitting/receiving data through a communications network 3 ;...
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7590844 |
Decryption system and method for network analyzers and security programs
A system, method and computer program product are provided for decrypting network communications. Initially, encrypted network communications are identified. A key is then received. Such key is...
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7590236 |
Identity-based-encryption system
Systems and methods for supporting symmetric-bilinear-map and asymmetric-bilinear-map identity-based-encryption (IBE) key exchange and encryption schemes are provided. IBE key exchange schemes use...
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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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7587599 |
System and method for providing services
A system for providing secure services to a user via a communications network comprises an applications device including a data processor operable to provide a user service in accordance with an...
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7583803 |
QKD stations with fast optical switches and QKD systems using same
The quantum key distribution (QKD) systems ( 200, 300, 400 ) of the invention includes first and second QKD stations (Alice and Bob) according to the present invention, wherein either one or both...
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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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7580894 |
Method, device and computer program product for activating the right of use at least one secured content item
The invention discloses a method, device and computer program product for activating the right of use of at least one secured content item in a device. The method comprises providing a device with...
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7580794 |
Remote subscription unit for GNSS information
A GPS information service system for providing supplemental GPS correction and signal acquisition information to subscribers. A GPS information server broadcasts GPS aiding information encrypted...
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7580529 |
Method for verifying digital franking notes
Digital franking notes generated in customer systems and comprise cryptographic information that is used for verifying the postage indicia in local payment assurance systems. A data key used for...
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7577621 |
Cryptographic server with provisions for interoperability between cryptographic systems
The invention is a cryptographic server providing interoperability over multiple algorithms, keys, standards, certificate types and issuers, protocols, and the like. Another aspect of the invention...
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7577257 |
Large scale quantum cryptographic key distribution network
A space-based satellite device obtains one or more encryption key symbols. The satellite device transmits the one or more encryption key symbols to multiple nodes of a land-based network using...
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7577250 |
Key derivation functions to enhance security
Key derivation algorithms are disclosed. In one key derivation application, a segment of the master key is hashed. Two numbers of derived from another segment of the master key. A universal hash...
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7571469 |
Method for communication control in a communication network, communication control entity, key management entity, terminal and gateway entity
A terminal for controlling communication can include a receiving unit configured to receive a key to be assigned to a requesting terminal for communication, a processing unit configured to include...
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7571467 |
System and method to package security credentials for later use
The present invention relates to a system and methodology to facilitate communications security in a distributed computing and applications environment. A pass-phrase is generated to wrap a strong...
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7571311 |
Scheme for sub-realms within an authentication protocol
Branch domain controllers (DCs) contain read only replicas of the data in a normal domain DC. This includes information about the groups a user belongs to so it can be used to determine...
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7570763 |
Method for subscribing service and distributing encryption key based on public-key encryption algorithm in digital CATV system
A method for subscribing a service and distributing encryption key based on public-key encryption algorithm in a digital CATV system are disclosed. In accordance with an aspect of the present...
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7567674 |
Content transmission apparatus, content reception apparatus, content transmission program, and content reception program
A content transmission method, a content reception method, an apparatus and a computer program using same, that improve the efficiency of descrambling a scrambled content, make the management of...
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7567672 |
Cryptographic communication system
In a cryptographic communication system, a prover is connected through a channel to a verifier. Elements a, b, c, d of a finite group are used as a public key and a parameter “x” as a private...
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7565702 |
Password-based key management
Systems, methods, and data structures permit data to be protected with complex keys and allow users to access the protected data using only a simple user id and password.
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