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7624263 |
Security association table lookup architecture and method of operation
A security association architecture system of the present invention facilitates network data transfer by providing an internal portion of a security association database that can be quickly...
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7620956 |
Portable memory storage devices with application layers
The inventions relate generally to portable media storage devices that contain layers permitting applications to be used at a connected computing device, those systems optionally including drivers...
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7617510 |
Media network using set-top boxes as nodes
Subject matter includes methods of using conventional set-top boxes that receive streaming video modulated on coaxial cable rather than over an IP-based LAN as nodes in a media network. In one...
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7603549 |
Network security protocol processor and method thereof
A cryptographic processor having an in-line (i.e., “bump-in-the-wire”) architecture processes data packets between a trusted domain and a untrusted domain, according to a predetermined security...
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7600129 |
Controlling access using additional data
Determining access includes determining if particular credentials/proofs indicate that access is allowed, determining if there is additional data associated with the credentials/proofs, wherein the...
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7600115 |
Control key capable of storing multiple and variable data packet classification results
Methods, systems, and an apparatus for generating and dispatching a flexible control key to be appended with the data packets while being dispatched across a plurality of software modules running...
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7596146 |
Method for universal transport encapsulation for internet protocol network communications
A method for implementing a simple protocol, referred to as the universal transport interface (UTI), that can be used to create high speed Internet Protocol (IP) tunnels for transmitting a variety...
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RE40923 |
Simplified data link protocol processor
A simplified data link protocol which may be implemented in a very high-speed transmission system, e.g., SONET, processes a datagram received from an IP facility according to QoS considerations and...
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7593529 |
Scramble methods and apparatus for packetized digital video signal in conditional access system
A conditional access scrambling or encryption technique for a packetized digital data stream, e.g., a MPEG-2 bitstream, (1) by scrambling or encrypting the data payload of selective transport...
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7590841 |
Automatic update of computer-readable components to support a trusted environment
The present automatic update mechanism provides a method for periodically checking for updates to support a trusted environment. During the periodic check, an indication from an update service is...
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7590245 |
Anonymous communicating over interconnected networks
A method and system for concealing from an outside observer the source and destination of information transmitted over computer network. Two types of data packets are defined: content packets that...
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7590242 |
Selective multimedia data encryption
A conditional access system for multimedia data is disclosed that offers acceptable security at drastically reduced requirements on hardware performance. A selectively encrypted transport stream is...
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7587758 |
Systems and methods for distributing data packets over a communication network
System 10 distributes information data packets 10 D from multiple send endpoint ports 11 S in send endpoint unit 12 S, to multiple receive endpoint ports 11 R in receive endpoint unit 12 R....
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7587591 |
Secure transport of multicast traffic
Secure tunneled multicast transmission and reception through a network is provided. A join request may be received from a second tunnel endpoint, the join request indicating a multicast group to be...
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7584352 |
Protection against denial of service attacks
An information processing system for protecting against denial of service attacks comprises an interface ( 310 ) to receive and send packets, wherein the packets comprise at least one...
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7581094 |
Cryptographic checksums enabling data manipulation and transcoding
Disclosed are methods and systems for providing security to manipulation of streamed data in a network, which comprise separating an amount of streamed data into segments, computing a cryptographic...
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7581093 |
Hitless manual cryptographic key refresh in secure packet networks
In a hitless manual cryptographic key refresh scheme, a state machine may be independently maintained at each network node. The state machine may include a first state, a second state, and a third...
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7577835 |
Deployable secure communication system
A secure Voice-Over-IP (VOIP), video and data network functionality in a single, small size deployable case, for a remote user. While capable of secure communications, the disclosed system also...
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7577134 |
Port expander for fibre channel fabrics in storage area networks
An port expander Fiber Channel switch presents F_ports to form a first Fiber Channel fabric and N_ports to a second Fiber Channel fabric to appear as node devices. The port expander may be used to...
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7574597 |
Encoding of signals to facilitate traffic analysis
A system acquires information about communication among wired or wireless nodes [ 110, 210 ] in a network [ 100, 200 ] by intercepting chunks of data in the network by a wired or wireless tap [...
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7571316 |
Method and device for transforming a digital signal
The invention relates to a method of transforming a digital signal for it to be transmitted, the signal being decomposed into several regions each containing digital data, the signal comprising...
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7570759 |
System and method for secure encryption
A method for encrypting a message containing a plurality of message segments is described. First, a key is input into a SHA function to generate a first hash value. Then, a first message segment is...
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7568093 |
System and method for service tagging for enhanced packet processing in a network environment
An apparatus for charging in a network environment is provided that includes an access gateway encapsulation/decapsulation element operable to establish one or more packet data protocol (PDP) links...
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7565689 |
Virtual private network for real-time data
Protection of real-time data such as voice data exchanged as packets between a mobile electronic device ( 10 ) and a VPN gateway ( 122 ) during a media session over a communications link ( 130 )...
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7562213 |
Approaches for applying service policies to encrypted packets
Approaches for applying service polices to encrypted packets are disclosed. One approach comprises examining an encrypted packet, determining whether an identifier associated with a service is...
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7558960 |
Network infrastructure validation of network management frames
A detection-based defense to a wireless network. Elements of the infrastructure, e.g., access points or scanning-only access points, detect intruders by detecting spoofed frames, such as from rogue...
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7555123 |
Processing an MPEG elementary stream in a conditional access overlay environment
Processing an MPEG elementary stream contained in multiple PID streams in a conditional access overlay environment. A multi-program transport stream contains numerous video and audio elementary...
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7552323 |
System, apparatuses, methods, and computer-readable media using identification data in packet communications
Methods, systems and computer-readable data storage media for authentication and/or access authorization in a communications network. A source node initiates a request for network services, such as...
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7540015 |
System, method and apparatus for establishing privacy in internet transactions and communications
A system for conducting a transaction with privacy on a wide area network, the system including a personal access device (PAD) associated with a subscriber to the system, the PAD storing a profile...
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7533259 |
Encapsulation of secure encrypted data in a deployable, secure communication system allowing benign, secure commercial transport
Sensitive, Type 1 KIV-encrypted data is encapsulated into IP packets in a remotely deployed, secure communication system. The IP packets are addressed to a matching IP encapsulator/decapsulator...
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7529939 |
Method of and apparatus for transferring data
A method of securely transferring data from a transmitter to a receiver which includes the steps of at the transmitter encrypting data which at least in part is based on timer information at the...
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7529924 |
Method and apparatus for aligning ciphered data
A data processing device includes a crypto unit having an alignment buffer for providing data to transmit buffer elements of a media switch fabric in multiples of a predetermined number of bytes....
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7526641 |
IPsec communication method, communication control apparatus, and network camera
When a packet arrives from a communication terminal apparatus, i.e., a communicating terminal with which the IPsec communication is performed, a source IP address is recognized from an IP header of...
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7526089 |
Device and method for controlling digital bidirectional communication
An interface block ( 11 ) converts the format of input downstream data (STRM). A CPU ( 12 ) receives the format-converted data (DIF) and realizes the MAC function. A TEK process block ( 13 )...
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7523305 |
Employing cyclic redundancy checks to provide data security
The security of data is enhanced by the use of cyclic redundancy checks. Data is encoded with one or more cyclic redundancy checks and then transmitted by a transmitter to a receiver. The receiver...
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7519993 |
Information processing terminal and information security and protection method therefor
The present invention is an information processing terminal capable of preventing leakage of identification information while adopting a general-purpose OS to provide development environment for a...
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7519811 |
Data transmission controlling method and data transmission system
Disclosed herein is a data transmission system permitting secure and more reliable transmission of data from a data transmitter to a data receiver or receivers. The system comprises: a data...
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7516333 |
Hybrid Java-C network appliance
A network appliance that runs both C and Java integrated software to provide a flexible architecture for rapid prototyping of XML security functionality, including SSL acceleration, XML encryption,...
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7516322 |
Copy protection built into a network infrastructure
A method for a network infrastructure copy protection system. The method includes the step of applying a digital signature to a digital content file prior to transmission. Digital content files...
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7516320 |
Distributed processing architecture with scalable processing layers
The present invention is a system on chip having a scalable, distributed processing architecture and memory capabilities through a plurality of parallel processing layers. In one embodiment, the...
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7512787 |
Receive IPSEC in-line processing of mutable fields for AH algorithm
The invention relates to a network interface system for interfacing a host system with a network. The network interface system includes a bus interface system, a media access control system, and a...
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7509496 |
Device-type authentication in communication systems
In a communication system ( 1 ), a header comprising information, preferably being related with a device-type associated commitment, is additionally provided with a signature for that information....
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7509490 |
Method and apparatus for encrypted communications to a secure server
An embodiment of the invention includes a secure server. A user at a terminal, communicatively coupled to the secure server by a secure link, can obtain web pages from web sites in a network, in...
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7509292 |
Authentication of consumable items
This invention concerns a consumable authentication method for validating the existence of an untrusted chip. A random number is encrypted using a first key and sent to an untrusted chip. In the...
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7505590 |
Method and system for providing transcodability to frame coded streaming media
Disclosed are methods and systems for providing transcodability to media in a network, comprising separating an amount of media data into a segment, and combining the segment and a transcoder...
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7499443 |
Wireless adhoc communication system, terminal, authentication method for use in terminal, encryption method, terminal management method, and program for enabling terminal to perform those methods
Frame transmission source authentication is performed among terminals involved in delivery in a wireless adhoc communication system. A first terminal generates a keyed hashed value by using an...
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7496750 |
Performing security functions on a message payload in a network element
Techniques are provided for performing security functions on a message payload in a network element. According to one aspect, a network element receives one or more data packets. The network...
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7496674 |
System, method, and base station using different security protocols on wired and wireless portions of network
A method for providing quality of service (QoS) aware, wireless point to multi-point telecommunications in a telecommunications system. The telecommunications system includes: a wireless base...
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7492922 |
Automated verification of copyrighted digital images
A computer-assisted method for detecting copyright protection in digital images receives a digital image, searches for capture device information associated with the digital image, calculates one...
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7490236 |
Conditional access overlay partial encryption using MPEG transport continuity counter
A conditional access overlay system utilizing partial encryption without requiring additional program identifiers. The conditional access overlay system generates duplicate critical packets for...
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