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Class 713/171 - Having key exchange


Subclass of Class 713 - Electrical computers and digital processing systems: support
Definition: Subject matter wherein the transmission and reception entities
No. of patents: 1030
Last issue date: 05/29/2012


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NumberTitleIssue Date
8190897Method and system for secure exchange of data in a network
A first network device implements a method for the secure exchange of data in a network. The network also includes a second network device and a remote device. The method includes establishing an indirect path to the remote device and pre-negotiating first security ...
05/29/2012
8190895Authenticated key exchange with derived ephemeral keys
AKE with derived ephemeral keys is described. In one aspect, a first party computes a derived ephemeral public-key based on a derived ephemeral secret key and a mathematical group. The derived ephemeral secret key is based on an ephemeral secret key and a long-term ...
05/29/2012
8190898Portable electronic entity and communication method
The pocket portable electronic entity (400) with connection element (420) for removable connection to a host station (300), having first members (460, 470, 471) for secure communication with a remote server (100) via the connection...
05/29/2012
8190896Conditional access for a multimedia broadcast service using a wireless terminal
A method for decrypting digital multimedia broadcasting data in a mobile communication terminal. The method includes receiving encrypted digital multimedia broadcasting data though a broadcasting network, receiving at least one key for decrypting the encrypted digit...
05/29/2012
8176325Peer-to-peer access control method based on ports
A port based peer access control method, comprises the steps of: 1) enabling the authentication control entity; 2) two authentication control entities authenticating each other; 3) setting the status of the controlled port. The method may further comprise the steps ...
05/08/2012
8171292Systems, devices, and methods for securely transmitting a security parameter to a computing device
Embodiments of the systems, devices, and methods described herein generally facilitate the secure transmittal of security parameters. In accordance with at least one embodiment, a representation of first data comprising a password is generated at the first computing...
05/01/2012
8166301Enabling stateless server-based pre-shared secrets
A method is disclosed for enabling stateless server-based pre-shared secrets. Based on a local key that is not known to a client, a server encrypts the client's state information. The client's state information may include, for example, the client's authentication c...
04/24/2012
8161284System, method and computer readable medium for message authentication to subscribers of an internet service provider
An internet service provider (ISP) is configured to provide notification messages such as service updates to subscribers via redirected web pages. In order for the web pages to be treated as originating from the ISP, the ISP provides a shared secret in the browser m...
04/17/2012
8151112Deliver-upon-request secure electronic message system
A method of delivering electronic mail messages upon requests and managing public-secret key pairs of public key cryptography in an electronic message system. A sending party sends an intend-to-deliver associated with an electronic mail message to an intended receiv...
04/03/2012
8127136Method for security association negotiation with extensible authentication protocol in wireless portable internet system
The present invention relates to a security association negotiation method of extensible authentication protocol (EAP) for authenticating a subscriber station user in a wireless portable Internet system. An exemplary security association negotiation method using a u...
02/28/2012
8127135Changing of shared encryption key
A system comprises a first operating environment and a second operating environment. The first and second operating environments exchange information in encrypted form using a shared encryption key (K3). The first and second operating environments cooperate t...
02/28/2012
8117452System and method for establishing a secure association between a dedicated appliance and a computing platform
An apparatus is provided that includes a dedicated appliance operable to interface with a computing platform. A provisioning process may be initiated such that the dedicated appliance responds by monitoring a port for a connection request from the computing platform...
02/14/2012
8108676Link key injection mechanism for personal area networks
According to one embodiment, a method is disclosed. The method includes generating a link key at a secure component within a first personal area network device and injecting the link key into a protocol stack component database within the first device. The link key ...
01/31/2012
8099599Controlling access to data streams
Access to one or more data streams can be controlled by encrypting a description of how segments of the data streams can be assembled, for example, to produce an audio or video program. Access to the one or more data streams can also be provided by obfuscating names...
01/17/2012
8086857Identity-based-encryption messaging system
A system is provided that uses identity-based encryption to support secure communications between senders and recipients over a communications network. Private key generators are used to provide public parameter information. Senders encrypt messages for recipients u...
12/27/2011
8086858Secure method of termination of service notification
A method for notifying a client device of termination of at least one service provided to the client device by a server system within an enterprise network is disclosed. The method includes the step of establishing authentication data and notification data, where th...
12/27/2011
8082444System and method for adding new network devices to an existing network
A system and method for adding a new network device to an existing network is described. An existing network has at least one master network device that acts as the gatekeeper for adding new network devices to the network. The master network device receives a reques...
12/20/2011
8046583Wireless terminal
A wireless terminal stores shared information, which is shared in authentication processing executed between the wireless terminal and an authentication device when the wireless terminal logs on to a first base station. When the connection destination is to be switc...
10/25/2011
8032752Data transmission apparatus, data reception apparatus, and data transfer system
A data transmission apparatus, a data reception apparatus, and a data transfer system prevent a case where same usable data is present in plural apparatuses at the same time and can certainly move data, in MOVE processing of the data between the data transmission ap...
10/04/2011
8006091Method and apparatus to provide failover capability of cached secure sessions
A method, apparatus and computer program product for providing failover capability of cached secure sessions is presented. A cached secure session involving a first device and a second device is identified. The cached secure session is encrypted and replicated to a ...
08/23/2011
8001383Secure serial number
A serial number for a software product is secured with an authenticator value. The authenticator value and the serial number are evaluated entirely by a remote authentication server such that no cryptographic authentication occurs on a local computer on which the so...
08/16/2011
7992000Session initial protocol identification method
A Session Initiation Protocol (SIP) authentication method, sends a request message without authentication information to a server end from a client to request for access; sends back a response message, which contains authentication exchange information and DH authen...
08/02/2011
7992001Preventing execution of software without a dynamically generated key
A method, system and computer program product for partitioning the binary image of a software program, and partially removing code bits to create an encrypted software key, to increase software security. The software program's binary image is partitioned along a ran...
08/02/2011
7987366Key management for network elements
The invention provides an establishment of a secret session key shared Between two network elements (NEa, NEb) belonging to different network domains (NDa, NDb). A first network element (NEa) of a first network domain (NDa) requests security parameters from an assoc...
07/26/2011
7987367Method and apparatus for key agreement between devices using polynomial ring
Provided is a method of key agreement between devices. Using the method, two devices on a network can exchange information using polynomials of a polynomial ring, authenticate each other using the exchanged information, and generate a shared key. Accordingly, an aut...
07/26/2011
7984298Method, system and authentication centre for authenticating in end-to-end communications based on a mobile network
The invention discloses a method for authenticating in end-to-end communications based on a mobile network, applied to a system including a first service entity requesting a service, a second service entity providing the service and an entity authentication centre, ...
07/19/2011
7979707Secure seed generation protocol
Techniques for secure generation of a seed for use in performing one or more cryptographic operations, utilizing a seed generation protocol carried out by a seed generation client (110c) and a seed generation server (110s). The seed gener...
07/12/2011
7975140Key negotiation and management for third party access to a secure communication session
Described are a method and system for establishing a secure communication session with third-party access at a later time. A first communication subsession is established between two original devices using a first key generated by a two-party key and security associ...
07/05/2011
7975141Method of sharing bus key and apparatus therefor
A method and apparatus of sharing a bus key is provided, the method including receiving at a first device a device key, encrypted using an encryption key, from a storage device; decrypting the encrypted device key using a decryption key corresponding to the encrypti...
07/05/2011
7962750System for tracking end-user electronic content usage
A system, a method and a computer program product for tracking usage of digital content on user devices. A license to play digital content data is transmitted to a user. An user watermark is generated by the user device using watermarking instructions and usage righ...
06/14/2011
7958357Network invitation arrangement and method
Method and arrangement for enabling communications between an entity operating a network including a first user, and a second user includes sending a message from the first user to the entity informing the entity of identification information of the second user inte...
06/07/2011
7958356System and method for establishing a shared secret among nodes of a security appliance
A system and method securely establishes a shared secret among nodes of a security appliance. The shared secret is established by distributing private keys among the nodes in accordance with a node ring protocol that uses a predetermined encryption algorithm to gene...
06/07/2011
7958355Keytote component
Systems and methods that facilitate introducing devices having digital characteristics to one another, to mitigate a man-in-the-middle attack. A keytote component supplies initial session keys for communication between devices, and includes a plurality of interfaces...
06/07/2011
7953978Key generation and retrieval using key servers
Provided are techniques for key generation and retrieval. Unique identifiers of two or more key servers are stored, wherein each key server is capable of generating keys for encryption of data and of returning keys for decryption of data. A key request is received. ...
05/31/2011
7949876Method and nodes for optimized and secure communication between routers and hosts
A method, a router and a host are introduced for providing secure communication with limited use of processing intensive cryptographic means. Strong cryptographic keys are first used between the host and the router to sign messages therebetween, thereby ensuring tha...
05/24/2011
7945780Apparatus for dynamically configurable interleaver scheme using at least one dynamically changeable interleaving parameter
An apparatus for encrypting and decrypting an original data stream is provided. The apparatus comprises: a key including a key-algorithm, an interleaver having at least one dynamically changeable interleaving parameter, and a de-interleaver adapted to communicate wi...
05/17/2011
7941665Device pairing
A method embodiment for publishing a PIN for use in establishing a pairing with a printing device, including the printing device generating the PIN in response to a local PIN request. Once the PIN is generated, the printing device prints the PIN. Another method embo...
05/10/2011
7921292Secure messaging systems
A system is provided that uses cryptographic techniques to support secure messaging between senders and recipients. A sender may encrypt a message for a recipient using the recipient's public key. The sender may send the encrypted message to the message address of a...
04/05/2011
7917758TLS tunneling
An authentication protocol can be used to establish a secure method of communication between two devices on a network. Once established, the secure communication can be used to authenticate a client through various authentication methods, providing security in envir...
03/29/2011
7908481Routing data to one or more entities in a network
A communications system includes a first network that includes a plurality of entities and a router. The router includes a network address translator. A node is capable of communicating data units with entities in the first network. Each data unit includes security ...
03/15/2011
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