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Class 380/33 - Using plural paths or channels


Subclass of Class 380 - Cryptography
Definition: Subject matter which transmits an information signal or
No. of patents: 188
Last issue date: 11/29/2011


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NumberTitleIssue Date
8068607Information processing apparatus and information processing method
In an information processing apparatus, a first communication unit receives encrypted data from a portable terminal device when the portable terminal device is within a first communication range, a second communication unit receives decryption information from the p...
11/29/2011
7916861System and method for establishing secondary channels
A method for establishing a secondary communication channel between at least two computing devices over a network medium through use of a primary channel connects a first computing device with a first telephonic unit and a second computing device with a second telep...
03/29/2011
7860245Methods and systems for multi-party sorting of private values
Disclosed embodiments include a computer-implemented first method for providing the blinded result of a subtraction of a first split value of a first system from a second split value of the first system for a comparison. Furthermore, a computer-implemented second me...
12/28/2010
7848517Secure open-air communication system utilizing multi-channel decoyed transmission
A secure, open-air communication system utilizes a plurality of “decoy” data signals to hide one or more true data signals. The true data signal(s) are channel hopped with the plurality of decoy data signals to form a multi-channel “scrambled” output signal ...
12/07/2010
7787621Secure transmission using adaptive transformation and plural channels
A method, apparatus and computer program product for transmitting data secures the data by adaptively transforming it and spreading the transformed data piecewise over plural transmission channels. The method, apparatus and computer program product may select low-co...
08/31/2010
7660413Secure digital couriering system and method
A digital couriering system and method for electronically moving records and images through a central user interface with a centralized security and access mechanism is disclosed. The disclosed system and method is a network that makes it possible for records compri...
02/09/2010
7636438Data medium authentication method
The invention relates to a method for testing the authenticity of a data carrier (1) and/or an external device (2) which enters into data exchange with the data carrier (1). According to the invention, the data carrier (1) and the externa...
12/22/2009
7630492Secure audio stream scramble system
A process for distributing digital audio sequences according to a nominal flux format including a succession of fields, each of which includes at least one digital block clusterizing a selected number of coefficients corresponding to single audio elements that are d...
12/08/2009
7444513Authentication in data communication
A client 110 may be authenticated by transmitting or beaming a telecommunication network subscriber's authentication to the client from a device 120, over a wireless link. For example, a GSM telephone 120 may authenticate an electronic book 1...
10/28/2008
7434051Method and apparatus for facilitating secure cocktail effect authentication
One embodiment of the present invention provides a system that facilitates confirmation of data communicated to a first device belonging to a first user from a second device belonging to a second user. During operation, the first device receives a message containing...
10/07/2008
7426271System and method for establishing secondary channels
A method for establishing a secondary communication channel between at least two computing devices over a network medium through use of a primary channel connects a first computing device with a first telephonic unit and a second computing device with a second telep...
09/16/2008
7415043Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information
A spread spectrum method and apparatus for protecting and authenticating wirelessly transmitted digital information using numerous techniques. The apparatus may be a wireless code division multiple access (CDMA) communication system, a base station, a wireless trans...
08/19/2008
7372836Method of transmitting control data in CDMA mobile communication system
A device and method for configuring an UL-DPCCH. One or more UL-DPCCHs, especially a UL-DPCCH for supporting HSDPA, are constructed in code division multiplexing and transmitted according to the characteristics of control information. The UL-DPCCH of the present inv...
05/13/2008
7369652Combining signals at a conference bridge
Combining signals includes receiving signals from communication devices, where each signal is associated with a content describing the signal. The following is repeated for each signal: the content associated with a signal is examined, whether the signal is a voice ...
05/06/2008
7367042Method and apparatus for hyperlinking in a television broadcast
A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,...
04/29/2008
7362863DES hardware throughput for short operations
A symmetric key cryptographic method is provided for short operations. The method includes batching a plurality of operation parameters (1503), and performing an operation according to a corresponding operation parameter (1505). The symmetric key crypt...
04/22/2008
7362867Apparatus and method for generating scrambling code in UMTS mobile communication system
A scrambling code generating apparatus of a downlink transmitter in a UMTS mobile communication system, which uses one primary scrambling code for separation of base stations and multiple secondary scrambling codes for channel separation. The apparatus includes a fi...
04/22/2008
7350228Method for securing digital content
A method for secure distribution of digital content to an untrusted environment, comprising the steps of; constructing a relatively trusted environment within the untrusted environment; constructing at least two digital inputs, the digital inputs are operable in ord...
03/25/2008
7340760Advertisements in an end-user controlled playback environment
This invention discloses a method for displaying advertisements transmitted to a user unit, the method includes receiving, at the user unit, at least one advertisement tagged with a delay tag indicating whether display of the at least one advertisement can be delaye...
03/04/2008
7336783Cryptographic systems and methods supporting multiple modes
Cryptographic systems and methods that support multiple modes of operation, such as CBC, CTR and/or CCM modes. In one aspect, a method for encrypting data includes reading a plaintext data block from a memory, storing the plaintext data block in an input buffer, enc...
02/26/2008
7336790Decoupling access control from key management in a network
Methods and systems consistent with the present invention provide a Supernet, a private network constructed out of components from a public-network infrastructure. Supernet nodes can be located on virtually any device in the public network (e.g., the Internet), and ...
02/26/2008
7333614System and method for encypting spread spectrum carrier
A system and method for encrypting all channels of a wireless spread spectrum communication at the chip level. The PN sequence is encrypted with one or more encryption sequences and then used to spread the signal. ...
02/19/2008
7308104Forward multiple scrambling code generating method and apparatus
Disclosed are a forward multiple scrambling code generating method and apparatus in a communication system. Each base station uses primary scrambling codes and an associated one of secondary scrambling code sets, each consisting of a plurality of secondary scramblin...
12/11/2007
7302057Method and process for transmitting video content
Methods and apparatus, including computer program products, for transmitting content from a content collection site to a content monitoring site, including inserting a first digital signature into a first content segment collected by the content collection device, i...
11/27/2007
7302059Star pattern partial encryption
A selective encryption encoder consistent with certain embodiments of the invention has a packet identifier that identifies packets of a specified packet type, the specified packet type being defined by packets occurring in a star pattern approximately situated at a...
11/27/2007
7296204Error correction apparatus and method
A system, method and data structure for error correction for use in the transmission of content data distribution networks uses a compressed memory, for example a bitmap, to identify portions of transmitted content data files where transmission errors have occurred....
11/13/2007
7292690Video scene change detection
A selective encryption encoder consistent with certain embodiments of the invention has vertical and/or horizontal stripes encrypted. In one embodiment, packets are examined in the digital video signal to identify a specified packet type, the specified packet type b...
11/06/2007
7286665System and method for transferring the right to decode messages
Methods for transferring among key holders in encoding and cryptographic systems the right to decode and decrypt messages in a way that does not explicitly reveal decoding and decrypting keys used and the original messages. Such methods are more secure and more effi...
10/23/2007
7277010Monitoring apparatus and method
Monitoring apparatus and method including a processor, associated with a web site and capable of providing audio and video, which receives audio information recorded or obtained at a vehicle or premises. The processor, located remote from the vehicle or premises, re...
10/02/2007
7269730Method and apparatus for providing peer authentication for an internet key exchange
A protocol for use as a phase 1 authentication (and key agreement) IKE protocol, similar to IKE phase 1 authentication with public key encryption, but using the IMS AKA trust infrastructure instead of the PKI trust infrastructure. The invention thus allows an initia...
09/11/2007
7266188Apparatus and method for securing a conference call via personal user ID and passcode
The present invention is a method of providing security for a conference call. The invention identifies a conference call participant as opposed to identifying a caller's telephone. The invention allows the host to selectively include or exclude specific conference ...
09/04/2007
7260841System and method for maintaining access to content in an encrypted network environment
A system of redirecting encrypted requests for content at a web site includes the steps of receiving, at a first web site, data enabling secure communication with a client, receiving, at the first web site, a request for content from the client, identifying an alter...
08/21/2007
7260221Personal communicator authentication
A method of authentication using an electronic device (20), comprising: providing a computer (22, 24, 26, 28, 140) having a sound receiving (28) and generating sub-system including a microphone (26); providing a personal communicator (...
08/21/2007
7249367Method and apparatus for switching between multiple programs by interacting with a hyperlinked television broadcast
A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,...
07/24/2007
7246236Method and apparatus for providing peer authentication for a transport layer session
A handshake protocol, for encapsulation by the so-called TLS Record Protocol, for use by a client (11) and a server (12) in authenticating each other. The handshake protocol is based on the TLS Handshake Protocol, but replaces the PKI trust infrastruct...
07/17/2007
7236591Method for performing turbo decoding in mobile communication system
A method for performing turbo decoding in an advanced mobile communication system is disclosed, in which an interleaving operation, a maximum a posteriori (MAP) decoding operation, and a deinterleaving operation are implemented simultaneously. Signals stored in a sp...
06/26/2007
7231045Secure transaction modem storing unique indicia
A modem and secure communications method for the modem is disclosed in which the modem is capable of storing identifying indicia unique to the modem. The identifying indicia may include graphics data such as an image of a credit card, a signature, and/or an account ...
06/12/2007
7228131IPv6/IPv4 tunneling method
A mobile host MH and its home network HN correspond to both the Internet Protocol version 4 (IPv4) and the Internet Protocol version 6 (IPv6). An authentication server (RS) is accommodated in the home network HN. A corresponding host H corresponds to the IPv6 and is...
06/05/2007
7227949Separate self-synchronizing packet-based scrambler having replay variation
A separated synchronizing scrambler/descrambler pair that removes the possibility of catastrophic error due to improper transmission of initial condition information without disrupting the OFDM modulation scheme of a system that includes error-correction coding circ...
06/05/2007
7224676Mobile station, base station and communication method
A mobile station receives a signal based on a TDD method by receiving a signal based on a FDD method to acquire information of the signal based on the TDD method in a mobile communication system. For instance, the mobile station receives a signal based on a CDMA-FDD...
05/29/2007
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