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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...
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...
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...
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...
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...
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 ),...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ;...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.