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Class 380/278 - Key distribution


Subclass of Class 380 - Cryptography
Definition: Subject matter wherein the manner of sending or
No. of applications: 529
Last issue date: 02/16/2012


1                      
Application No.Application TitleIssue Date
20120039474Display Authenticated Security Association
A system and method for establishing a mutual entity authentication and a shared secret between two devices using displayed values on each device. Unique first private keys and first public keys are assigned to both devices. The public keys are exchanged between the two...
02/16/2012
20120027212METHOD FOR DETERMINING A CHAIN OF KEYS, METHOD FOR TRANSMITTING A PARTIAL CHAIN OF THE KEYS, COMPUTER SYSTEM AND CHIP CARD
The invention relates to a security module comprising
    • an interface (596) for receiving a first key of a first ch...
02/02/2012
20120023571IDENTITY-BASED-ENCRYPTION MESSAGE MANAGEMENT SYSTEM
Systems and methods for managing email are provided. Some of the email may be encrypted using identity-based-encryption (IBE) techniques. When an incoming IBE-encrypted message for a recipient in an organization is received by a gateway at the organization, the gateway ...
01/26/2012
20120008784Delegated Key Exchange System and Method of Operation
A cryptographic key exchange protocol that enables a device that does not have the capability to perform public key operations to securely establish a shared key with a host device without any information disclosing the key being revealed to the delegate key service....
01/12/2012
20120008785SYSTEM AND METHOD FOR SECURE PIN EXCHANGE
Systems and methods for wirelessly exchanging an encryption key between a first device and a second device are disclosed herein....
01/12/2012
20120011360KEY MANAGEMENT SYSTEMS AND METHODS FOR SHARED SECRET CIPHERS
Various embodiments are described herein for a Key Management System (KMS) and associated methods for providing authentication and secure shared key distribution capabilities without revealing a device's secret key. The KMS allows one or more accessing applications or d...
01/12/2012
20120002817KEY MANAGEMENT METHOD AND KEY MANAGEMENT DEVICE
A validity information processing section determines a valid MKB and a valid intermediate key by referring to validity information in a recording medium, and, when an MKB and an intermediate key that are not valid have been rewritten, rewrites the validity information i...
01/05/2012
20110320089Over-the-Air Vehicle Systems Updating and Associate Security Protocols
A method of updating a vehicle ECU includes establishing communication between a data communications module of a vehicle and an update server via a cellular network; validating the vehicle using a key exchange protocol between the data communications module and the upda...
12/29/2011
20110311049Information Theoretic Security Mechanisms Using a Time-Varying Key
In one exemplary embodiment, a method includes: storing a key on a storage medium of a first apparatus, where a value of the key varies over time, where the key is configured to enable decryption of encrypted information; and sending a plurality of communications from t...
12/22/2011
20110311055METHODS, DEVICES, AND MEDIA FOR SECURE KEY MANAGEMENT IN A NON-SECURED, DISTRIBUTED, VIRTUALIZED ENVIRONMENT WITH APPLICATIONS TO CLOUD-COMPUTING SECURITY AND MANAGEMENT
The present invention discloses methods, devices, and media for secure key management in a non-secured, distributed, virtualized environment with applications to cloud-computing security and management. Methods include the steps of: receiving an encryption request for p...
12/22/2011
20110296175SYSTEMS AND METHODS FOR SOFTWARE LICENSE DISTRIBUTION USING ASYMMETRIC KEY CRYPTOGRAPHY
Methods and computer readable media for distributing a software license based on asymmetric cryptography via a network. An application publisher generates an asymmetric key-pair having an encryption key and a decryption key. The publisher assembles a software applicatio...
12/01/2011
20110286599DISTRIBUTED PUF
An electronic system (100) having a memory (1 12, 1 14, 1 16) with multiple memory locations, each specific memory location of the multiple memory locations being arranged to produce a respective value, the respective value depending on a physical, at leas...
11/24/2011
20110280404ITERATIVE DATA SECRET-SHARING TRANSFORMATION
Provided are a method, system, and article of manufacture for iterative data secret-sharing transformation and reconversion. In one aspect, data secret-sharing transformation and reconversion is provided in which each bit of an input stream of bits of data is split, on ...
11/17/2011
20110280403AUTOMATIC APPLICATION MANAGEMENT IN A SHORT-RANGE WIRELESS SYSTEM
Method, device and computer readable storage medium for managing applications on a wireless device by providing applications on the wireless device. The wireless device is used in a short-range wireless system with an effective range. The wireless device and a client de...
11/17/2011
20110280405SYSTEMS AND METHODS FOR STABILIZATION OF INTERFEROMETERS FOR QUANTUM KEY DISTRIBUTION
Systems and methods are described in which both a quantum key distribution (QKD) transmitter and QKD receiver may keep both of their two-path interferometers stable, with regard to path length drift, relative to an internal reference laser are described. Systems and met...
11/17/2011
20110280406KEY DISTRIBUTION METHOD AND SYSTEM
The present invention discloses a key distribution method and system, the method includes: a card issuer management platform informing a supplementary security domain corresponding to an application provider of generating in a smart card a public/private key pair includ...
11/17/2011
20110274276METHOD AND SYSTEM FOR POSITIONING MOBILE STATION IN HANDOVER PROCEDURE
A method for obtaining a secure key is provided. The method includes sending an Access Safety Management Entity Key (KASME) to a gateway after finishing authentication and security process by a Mobility Management Entity (MME) in a core network; and computing...
11/10/2011
20110271115CERTIFICATE INFORMATION STORAGE SYSTEM AND METHOD
A system and method of storing in a computer device digital certificate data from a digital certificate are provided. When a digital certificate is received at the computer device, it is determined whether the digital certificate data in the digital certificate is store...
11/03/2011
20110264907SECURING INFORMATION WITHIN A CLOUD COMPUTING ENVIRONMENT
Embodiments of the invention provide a solution for securing information within a Cloud computing environment. Specifically, an encryption service/gateway is provided to handle encryption/decryption of information for all users in the Cloud computing environment. Typica...
10/27/2011
20110261957Technique for Handling Media Content to be Accessible via Multiple Media Tracks
A technique for protecting media content that is to be accessible via multiple media tracks of a media file is provided. A method implementation of this technique comprises the step of providing a set of one or more first layer data items that are to be accessible via a...
10/27/2011
20110258437SECURE LOCAL UPDATE OF CONTENT MANAGEMENT SOFTWARE
This document describes tools that enable a computing device to receive an update to content management software. The tools also enable the computing device to generate new public and private keys without the use of a key server....
10/20/2011
20110255695KEY MANAGEMENT METHOD
The present invention relates to a key management method to establish selective secret information in multiple disjoint groups, more specifically to a method of reducing the broadcast size in access hierarchies and localize and facilitate management in said access hiera...
10/20/2011
20110243330AUTHENTICATION ASSOCIATED SUITE DISCOVERY AND NEGOTIATION METHOD
An authentication associated suite discovery and negotiation method for ultra wide band network. The method includes the following steps of: 1) adding a pairwise temporal key PTK establishment IE and a group temporal key GTK distribution IE in an information element IE ...
10/06/2011
20110235805STORAGE SYSTEM AND METHOD FOR GENERATING ENCRYPTION KEY IN THE STORAGE SYSTEM
In a storage system including a plurality of recording medium drives and encrypting and recording data with a device key, even if a recording medium drive fails and is replaced with another drive, the data stored by the failed recording medium drive can be reproduced. T...
09/29/2011
20110228942Reduced Hierarchy Key Management System and Method
A controller receives an encrypted media stream (“EMS”) and an identifier indicative of a selected content key from a headend. The EMS is encrypted with an encryption key and can be decrypted with a corresponding decryption key which is determinable from the selecte...
09/22/2011
20110222691RECORDING SYSTEM, PLAYBACK SYSTEM, KEY DISTRIBUTION SERVER, RECORDING DEVICE, RECORDING MEDIUM DEVICE, PLAYBACK DEVICE, RECORDING METHOD, AND PLAYBACK METHOD
To protect rights of a copyright owner of digital content, technology is required to prevent digital content on a recording medium from being copied onto another recording medium and played back. A key distribution server securely receives a media unique key from a reco...
09/15/2011
20110211699Key distribution method and system
This invention discloses a key distribution method and system. The method includes: notifying, by an application provider management platform, a supplementary security domain of an application provider that is set on a smart card and corresponds to the application provi...
09/01/2011
20110206205ENCRYPTION KEY DISTRIBUTION METHOD IN MOBILE BROADCASTING SYSTEM AND SYSTEM FOR THE SAME
A method and a system for distributing an encryption key for service protection and content protection in a mobile broadcasting system are provided where a network generates a first encryption key when a broadcasting service is first provided to the terminal, and transm...
08/25/2011
20110197065SECURE AND AUTOMATED CREDENTIAL INFORMATION TRANSFER MECHANISM
A mechanism for securely transmitting credentials to instantiated virtual machines is provided. A central server is used to turn on a virtual machine. When the virtual machine is turned on, the central server sends it a secret text string. The virtual machine requests t...
08/11/2011
20110197073METHOD AND APPARATUS FOR SECURE DISTRIBUTION OF DIGITAL CONTENT
A method and apparatus for secure distribution of digital content is provided. In accordance with at least one embodiment, an intermediate device maintains an authorized content sink list which it uses to allow reauthorization of a first content sink for access to first...
08/11/2011
20110188659METHOD OF INTEGRATING QUANTUM KEY DISTRIBUTION WITH INTERNET KEY EXCHANGE PROTOCOL
A method of integrating quantum key distribution with Internet key exchange protocol, wherein the method comprises exchanging quantum-shared secret index from a cryptographic key database in Phase 1 of the Internet key exchange protocol between an initiator and a respon...
08/04/2011
20110188658COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND COMPUTER PROGRAM
Communication parameters can be appropriately set without deteriorating user operability even if roles are not determined in advance when automatically setting the communication parameters. The invention includes a communication method when apparatus C newly joins a net...
08/04/2011
20110191585Device Authentication
Authentication of two devices in communication with a third device is achieved where the first and second devices each possess a shared secret value. The authentication includes communication of authentication values from the first device to the second device using the ...
08/04/2011
20110182425Secure Connected Digital Media Platform
An embodiment of the invention provides a system including a secure media device having one or more security keys stored therein. The secure media device is housed in a device that is connected to a television unit and a network. Secure application environments are hous...
07/28/2011
20110170695TIME-BIN POLARIZATION FORMAT EXCHANGE TECHNIQUE FOR ENTANGLED OPTICAL SOURCE
It is an object of the present invention to provide a network system for quantum key distribution (QKD) for free space and fiber networks.

The system of the present invention generates a couple of photons which have different wavelength and...

07/14/2011
20110170694Hierarchical Key Management for Secure Communications in Multimedia Communication System
In a communication system wherein a first computing device is configured to perform a key management function for first user equipment and a second computing device is configured to perform a key management function for second user equipment, wherein the first user equi...
07/14/2011
20110170696SYSTEM AND METHOD FOR SECURE ACCESS
The present invention provides a method and system for secure access to computer equipment. An embodiment includes a secure access controller connected to a link between a transceiver (such as a modem) and the computer equipment. Public and private keys are used by the ...
07/14/2011
20110161645CONTENT SECURING SYSTEM
In a method for securing content in a system containing a security processor configured to control access to the content by a main processor, in which main processor being configured to send heartbeats to the security processor, a determination as to whether at least on...
06/30/2011
20110154031Secure Kerberized Access of Encrypted File System
A file server receives a request from a client to mount an encrypted file system. The file server informs the client that the requested file system is encrypted and, in turn, receives a session ticket from the client that includes a security protocol mounting selection....
06/23/2011
20110150214COORDINATED VIEWING EXPERIENCE AMONG REMOTELY LOCATED USERS
A method of viewing a content item is provided. The method includes receiving an encrypted content item and a network address of a key management system from a primary client device over a communications network. A session key is obtained over the communications network...
06/23/2011
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