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Communication apparatus, control method thereof, and storage medium

Patent Number: 8447040
Publication Date: 2013-05-21
Inventor:

A first communication apparatus that functions as a providing apparatus that provides an encryption key or as a receiving apparatus that receives an encryption key provided by a providing apparatus, and that performs a key sharing process for sharing an encryption key with another apparatus, confirms whether or not the first communication apparatus functioned as the providing apparatus in the key sharing process performed among a plurality of apparatuses present on a network in which the ...

Active-active hierarchical key servers

Patent Number: 8447039
Publication Date: 2013-05-21
Inventors: ; ; ; ;

In one embodiment, group member devices may be divided into at least one cluster, wherein each cluster includes a primary key server designated to synchronize with a master key server. Each cluster further includes at least one registration server configured to communicate with member devices in the group within the cluster and to synchronize with the primary key ...

Method and systems using identifier tags and authenticity certificates for detecting counterfeited or stolen brand objects

Patent Number: 8447038
Publication Date: 2013-05-21
Inventors: ; ; ;

A method and system for generating data for generating an authenticity certificate to be stored on a media. The authenticity certificate authenticates an object. A request for a step certificate includes a media identifier, a media key block, an object identifier, a requester entity type, and a requester identity certificate. The object identifier is hashed. A created signature includes the hashed object identifier, the requester entity type, a certifier identity certificate, and the ...

Key tree construction and key distribution method for hierarchical role-based access control

Patent Number: 8447037
Publication Date: 2013-05-21
Inventor:

A key tree construction and key distribution method for hierarchical role-based access control, includes: constructing a key tree including relationships between a hierarchical structure of role groups and data; performing encryption and decryption of data keys and role keys; and generating a key table, in which the data keys required to decrypt encrypted data and the role keys required to decrypt encrypted data keys are stored, with reference to the key tree. Further, the key tree ...

Multi-party key agreement method using bilinear map and system therefor

Patent Number: 8447036
Publication Date: 2013-05-21
Inventors: ;

The present invention provides an efficient method and system in which a plurality of participants share a secret key in a communication environment that is not ensured. According to an embodiment of the invention, each of the participants is assigned with a secret key from a key generation party, generates exchange information, and transmits its own exchange information to the other participant to exchange the exchange information with each other. Each of the participants generates a ...

Contract based memory management for isochronous streams

Patent Number: 8447035
Publication Date: 2013-05-21
Inventors: ;

A method of displaying an image includes generating a contract in the display engine, transferring the contract to the memory controller before the end of a sweep, generating a contract amendment in response to changes in the display engine, transferring the contract amendment to the memory controller, making a decision whether the contract amendment can be processed, fetching data from the memory controller according to the contract incorporating the contract amendment if the decision is ...

Method and system making it possible to protect after compression the confidentiality of the data of a video stream during its transmission

Patent Number: 8447034
Publication Date: 2013-05-21
Inventors: ; ;

A method is provided for visually encrypting at least one part of an at least partially compressed video stream or video sequence, it being possible for said stream to be decomposed into a first type of objects and a second type of objects, the method being applied on each of the images contained in a video sequence, including at least the following steps:

- analyzing the sequence in the compressed domain so as to define for a given image N at least one ...

Method for protecting broadcast frame

Patent Number: 8447033
Publication Date: 2013-05-21
Inventors: ; ;

A method and system for protecting a broadcast frame are provided. A frame broadcasted through a packet switching network is protected and a wireless LAN system is included. A current frame is authenticated based on a TESLA scheme. The authentication of the broadcast frame can be performed without a time ...

Generation of min-hash signatures

Patent Number: 8447032
Publication Date: 2013-05-21
Inventors: ; ;

A computer-implemented method is disclosed for generating a signature representing an input bit vector. A signature generator generates a primary min-hash value based on a primary permutation from a sequence of permutation blocks. If the primary min-hash value is lower than a threshold value, a secondary min-hash value is generated based on a secondary permutation from the same permutation block. The signature generator then determines one or more signature values based on the primary ...

Leg-rests for passenger seats

Patent Number: 8444226
Publication Date: 2013-05-21
Inventors: ;

Embodiments of the present invention include a leg-rest assembly comprising a leg-rest pan, a first frame, a slider bar, a second frame, and at least one deployment link. In some embodiments, the first frame includes at least two slides that are coupled to the slider bar. In other embodiments, the leg-rest assembly includes at least two seat diaphragm mounts, wherein the at least two seat diaphragm mounts are coupled the leg-rest assembly to a seat diaphragm. In some embodiments, a cushion ...

Deployable legrest

Patent Number: 8444225
Publication Date: 2013-05-21
Inventor:

A legrest assembly including a calf support hinged to a forward end of a seat frame and moveable between a stowed configuration generally vertically disposed below the forward end of the frame and a deployed configuration inclined above the stowed configuration, a foot support movable with and telescopically connected to the calf support, and a foot rest pivotally connected to the foot support and pivotable between a stowed configuration substantially parallel to the foot support and a ...

Seat controlling mechanism

Patent Number: 8444224
Publication Date: 2013-05-21
Inventors: ;

A seat controlling mechanism includes motors for actuating a plurality of seat sections, a position detecting apparatus detecting positions of the seat sections and a controlling apparatus controlling the seat sections to move to a predetermined position, wherein an interfering range, an interference avoidable range in which an interference avoidance control is executed and a normal operation range are set in the controlling apparatus, and when at least one of the seat sections positions in ...

Folding seat assembly having automatic seat cushion tip-up

Patent Number: 8444223
Publication Date: 2013-05-21
Inventors: ;

A seat assembly for a motor vehicle which provides easy access to a third row of passenger seating and folds to provide additional cargo space. The seat assembly includes a base frame operatively attached to the floor of the vehicle. A seat back is pivotally coupled to the base frame about a first pivot axis for movement between a seated position, a stowed position, and a folded position. A proximate end of a sub frame is pivotally coupled to the seat back about a second pivot axis for ...

Child safety seat attachment belt retractor system

Patent Number: 8444222
Publication Date: 2013-05-21
Inventors: ;

Retractor systems for securing child safety seats in vehicles are described herein. In one embodiment, a child safety seat includes a web operably coupled to a spool of a web retractor movably positioned under the safety seat. The web can include a first end portion that carries a first anchor connector and a second end portion that carries a second anchor connector. Rotation of the spool in a first direction retracts the first and second end portions of the web toward the retractor. ...

Booster seat assembly

Patent Number: 8444221
Publication Date: 2013-05-21
Inventor:

A booster seat assembly may be used with a bench seat assembly and with a seat belt assembly for each occupant. The booster seat assembly may support at least two child sized occupants and may permit each child sized occupant to access the seat belt assembly for self latching and self ...

Vehicle seat

Patent Number: 8444220
Publication Date: 2013-05-21
Inventor:

A vehicle seat has a back frame, an elastic member interconnecting side supports of the back frame, a movable member on the elastic member, and a restriction on the back frame. The movable member and the restriction engage each other in a first mode when a rearward load on the elastic member is less than a given value and are released from one another in a second mode when the load on the elastic member equals or exceeds the given value. The restriction restricts a rearward movement of the ...

Vehicle seat with cushion plate

Patent Number: 8444219
Publication Date: 2013-05-21
Inventor:

A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a headrest for supporting a head of a seat occupant that is installed within the vehicle seat; a rear-end collision detector mounted to the seat back frame at a position behind the seat occupant, wherein the rear-end collision detector detects rearward movement of the seat occupant and moves rearward; a link member that supports the rear-end collision detector with the seat back frame ...

Vehicle seat

Patent Number: 8444218
Publication Date: 2013-05-21
Inventors: ;

A vehicle seat can be configured to include a variety of types of cushions. The seat may include primary and secondary cushions that are joined together such that the secondary cushion has a stored position under the seating surface of the primary seat cushion and a deployed position where the secondary seat cushion is positioned adjacent the primary seat cushion. The effective width of the seat may be greater when it is in one position than when it is in the other position. The back ...

Floss dispensing unit

Patent Number: 8443817
Publication Date: 2013-05-21
Inventors: ;

A dental floss dispensing unit comprising a housing and a supply spool coupled to the housing and having a length of floss wound thereabout. The supply spool being adjustable between a locked position, where the supply spool is fixed with respect to the housing, and an unlocked position, where the supply spool is free to rotate with respect to the ...

Kit for applying a cosmetic composition

Patent Number: 8443816
Publication Date: 2013-05-21
Inventor:

A kit for applying a mascara composition comprising several tanks respectively containing different mascara compositions and one or several application device for the mascara compositions, the application device comprising a cap and a rod provided with a heatable applicator ...

Flexible level system for a comb

Patent Number: 8443815
Publication Date: 2013-05-21
Inventors: ;

A comb system for creating or replicating a haircut. The comb system has a comb with level attachments and measuring devices that measure different angles of the comb with respect to an object, such as a head. The level attachments and measuring devices are removable and adjustable, allowing for flexibility and customization. In one embodiment, the comb system can measure the comb's roll, pitch, and yaw angles for any given orientation of the ...

Flexible level system for a comb

Patent Number: 8443814
Publication Date: 2013-05-21
Inventors: ;

A comb system for creating or replicating a haircut. The comb system has a comb that measures different angles via level and measuring attachments that can be affixed or movable about the comb so user can select the desired angle for an accurate ...

Use of brackets and rails in concentrating solar energy collectors

Patent Number: 8443795
Publication Date: 2013-05-21
Inventors: ; ;

Examples and variations of apparatus and Methods for concentrating solar radiation are ...

Systems and methods for operating environmental equipment utilizing energy obtained from manufactured surface coverings

Patent Number: 8443794
Publication Date: 2013-05-21
Inventor:

Systems and methods for operating environmental equipment using heat absorbed by manufactured surface coverings from incident solar radiation where fluid in conduits carried in the manufactured surface covering is heated and supplied to a heat exchanger to provide heat for various environmental equipment such as a hot water supply, a turbine-driven electrical generator, a chiller, a water purification system, and/or a distillation system. Efficiencies are maximized by use of thermally ...

Heating apparatus

Patent Number: 8443793
Publication Date: 2013-05-21
Inventors: ; ; ; ; ;

A heating apparatus includes an elongated flexible envelope (4) comprising two sheets (6), (8) that are attached to each other along permanent side seams (10), (12) and along a permanent bottom seam (14) and a moisture-activated chemical heater (16) disposed inside envelope (4), wherein envelope (4) is folded over on itself and secured by temporary side seams (18), (20) and a permanent top seam (22) to form ...

Portable campfire chimney

Patent Number: 8443792
Publication Date: 2013-05-21
Inventor:

A campfire chimney for placement over a campfire to shield nearby persons from excessive heat, smoke and burning embers. The campfire has a base comprising at least for telescoping legs to adjust the height of the chimney over the fire. The chimney has a bottom conical section for placement over the fire and a tubular top section for exhausting products of combustion. The chimney can be disassembled and can be transported conveniently by a single ...

Method for communicating entitlement data from a server, related server, client systems and computer program product

Patent Number: 8442236
Publication Date: 2013-05-14
Inventor:

A server communicates a set of entitlement data representative of the entitlement of a client to access corresponding contents data by using a set of keys and a non-invertible cryptographic function. The cryptographic function is applied to a set of candidate bit strings using the set of keys to find a selected bit string that produces the set of entitlement data as a result of the application of the non-invertible cryptographic function by using the keys in the set. The server and the ...

Extensible management of self-encrypting storage devices

Patent Number: 8442235
Publication Date: 2013-05-14
Inventor:

Security device objects can be utilized to support a stack of components of computer-executable instructions that are directed to managing the security functionality represented by the security device object. In the case of hardware encrypting storage devices, a security device object can represent the self-encrypting capabilities of those devices and the attendant stack can comprise drivers directed to band and key management. A default band management driver can support a band-centric set ...

System and method for obtaining certificate status of subkeys

Patent Number: 8442234
Publication Date: 2013-05-14
Inventors: ;

Systems and methods for updating status of digital certificate subkeys. A request is made to a key server to verify if a given key is revoked. If it is not, then the key with its subkeys is acquired from the key server. If one or more subkeys or signatures of the subkeys are different in the acquired key, then the key is ...

Telecommunication systems and encryption of control messages in such systems

Patent Number: 8442233
Publication Date: 2013-05-14
Inventor:

The present invention relates to a solution for handling encryption of control messages in a wireless telecommunications network. Key generation is based on sequence numbers and the present invention reduces access to core network devices for updating sequence numbers relating to network events by separating sequence number generation to different parts of the network and different types of network events. This is done by providing a solution where sequence number rollover events and ...

Deleting confidential information used to secure a communication link

Patent Number: 8442232
Publication Date: 2013-05-14
Inventors: ; ;

A system includes a first wireless-enabled device that transparently stores confidential information and a second wireless-enabled device that stores the same confidential information. The confidential information is to be used to secure a wireless communication link between the first device and the second device. One or both of the first device and the second device is to delete the confidential information upon fulfillment of one or more conditions related to the communication link. The ...

Method and system for improving robustness of secure messaging in a mobile communications network

Patent Number: 8442231
Publication Date: 2013-05-14
Inventor:

A mobile communications network has mobile communications capabilities and supports a secure messaging service, such as an SMS messaging service, that allows a message sender and at least one message receiver (at least one among the message sender and the message receiver being a user of the mobile communications network) to exchange messages encrypted by means of a cryptographic process performed by the message sender, so as to obtain an encrypted message that can be decrypted by a ...

Enhanced high availability for group VPN in broadcast environment

Patent Number: 8442230
Publication Date: 2013-05-14
Inventors: ; ; ;

A light-weight resilient mechanism is used to synchronize server secure keying data with member devices in a highly-scalable distributed group virtual private network (VPN). A server device generates an initial secure keying data set, for the VPN, that includes a first version identifier, and sends, to member devices and via point-to-point messages, the secure keying data set. The server device sends, to the member devices, heartbeat push messages including the first version identifier. The ...

Method and apparatus for providing security in a passive optical network

Patent Number: 8442229
Publication Date: 2013-05-14
Inventor:

An apparatus and method for providing security in a Passive Optical Network (PON) using an Enhanced Security Control management entity (ME). In one embodiment, an optical network unit (ONU) comprising: a processor coupled to a memory and configured to exchange security information between the ONU and an optical line terminal (OLT) by using a plurality of attributes in an Enhanced Security Control management entity (ME) in the ONU via an ONU management control interface (OMCI) channel; ...

Multi-class switching system and associated method of use

Patent Number: 8442228
Publication Date: 2013-05-14
Inventor:

A multi-class switching system that includes a coder/decoder for converting voice between analog and digital; a first switch coupled to the coder/decoder to isolate non-secure entities in a dial-up network, including fiber optic ports to pass classified and unclassified data to one of a classified IP network and an unclassified IP network, an encryption device coupled to the first switch to encrypt digitized voice, a second switch coupled to the encryption device and directly to the first ...

Providing additional information with session requests

Patent Number: 8442227
Publication Date: 2013-05-14
Inventors: ;

The present invention allows a communication client to send a session request to initiate a session with a receiving communication client, wherein the session request includes additional information configured to allow the receiving communication client to take an action in association with the communication session. The additional information may include context indicia, which may identify an association related to the subject matter of the session, or a specific instruction to take the ...

Decryption key management

Patent Number: 8442226
Publication Date: 2013-05-14
Inventors: ;

An encrypted program received in an MPEG transport stream is decrypted by receiving an address in the MPEG transport stream, reading a key from a memory in accordance with the received address, and decrypting the encrypted program based on the ...

Method and system for the secured distribution of audiovisual data by transaction marking

Patent Number: 8442225
Publication Date: 2013-05-14
Inventors: ; ;

The application relates to a method for distributing a marked audiovisual sequence from a nominal audiovisual sequence, said nominal audiovisual sequence having a nominal content, wherein

- a first modified flow having a modified content different from the nominal content is generated, and
- a second marked complementary flow including marked complementary digital information is generated;
- said first modified flow and said ...

Protecting video content using virtualization

Patent Number: 8442224
Publication Date: 2013-05-14
Inventors: ;

Generally, the present disclosure provides a system and method configured to prevent unauthorized copying of video content in a mobile device. The method may use virtualization technology to prevent unauthorized copying of the premium video content. A user OS may operate in a virtual machine. A hypervisor may be configured to prevent an application and/or a corrupted OS from reading premium video content from video memory. The hypervisor may be configured to prevent direct memory access to ...

Video device and control method thereof

Patent Number: 8442223
Publication Date: 2013-05-14
Inventors: ;

A video device for determining whether a digital broadcasting channel through a point of deployment (POD) is reproduced, includes a memory; a communicator to communicate with the POD; a controller which stores a first copy control information (CCI) value with respect to a first digital broadcasting channel in the memory, if converting the first digital broadcasting channel into an analog broadcasting channel, and sets the first CCI value stored in the memory to a second CCI value with ...

Job ticket issuing device and job execution device

Patent Number: 8442222
Publication Date: 2013-05-14
Inventors: ; ; ;

A job ticket issuing device includes: a document encryption processing unit for encrypting document data with a document data encryption key; and a job ticket encryption processing unit for encrypting a job ticket, including information about a content of job processing with respect to the document data, with a job ticket encryption key which is different from the document data encryption ...

Method and apparatus for image encryption and embedding and related applications

Patent Number: 8442221
Publication Date: 2013-05-14
Inventor:

An image encryption method is described for encrypting an images using an encryption key. The encryption method includes dividing the image into pixel groups and shifting the location of the pixel groups according to an encryption key, and reordering the bits of the pixel values of the image according to an encryption key. Each shifting and reordering is done according to a shifting patterns that is defined by a shifting rule and the bit values of a bit sequence generated from the ...

Transmission apparatus and transmission method

Patent Number: 8442220
Publication Date: 2013-05-14
Inventors: ;

A base station generates a unicast channel, a MBMS channel, and a pilot channel, that are multiplied by a scrambling code specific to a particular cell. The pilot channel is replicated as necessary. The unicast channel and the MBMS channel are time-multiplexed. For data in a unit transmission frame, a same frequency component is multiplied by a same scrambling ...

Public key cryptographic methods and systems

Patent Number: 8442219
Publication Date: 2013-05-14
Inventor:

Methods are disclosed for improving public key cryptography schemes, such as RSA and its variants, to allow for decryption of messages using less than all of the prime factors of the modulus that is used for encryption of said ...

Method and apparatus for compound hashing via iteration

Patent Number: 8442218
Publication Date: 2013-05-14
Inventor:

A method and apparatus for a system and process for generating a hashing value using any number of cryptographic hashing functions. The hashing process receives an input value to be hashed. The input value is cyptographically hashed and augmented. The augmented value is then cryptographically hashed. The process then iteratively applies a set of non-linear functions to these values. Each iteration maintaining a ‘left half’ and ‘right half.’ After the last iteration, the left and ...

Method of implementing one way hash functions and apparatus therefor

Patent Number: 8442217
Publication Date: 2013-05-14
Inventors: ;

A cryptographic system for encrypting a data stream to be transported over a network by using a one way hash function constructed according to Merkle-Damgard construction includes a plurality of Davies-Mayer structure modules. A Davies-Mayer module modifies two variables A and B according to at least four words by no more than three Advanced Encryption Standard (AES) block cipher ...

Fault detection in exponentiation and point multiplication operations using a montgomery ladder

Patent Number: 8442216
Publication Date: 2013-05-14
Inventors: ;

A system and method are provided enabling implicit redundancies such as constant differences and points that should be on the same curve, to be checked at the beginning, end and intermittently throughout the computation to thwart fault injection attacks. This can be implemented by checking the constant difference in point pairs during point multiplication, by checking constant scalings in exponentiation pairs, and by checking that any intermediate point is on the curve and/or in the correct ...

Determining HDCP source KSV support

Patent Number: 8442215
Publication Date: 2013-05-14
Inventors: ; ;

Presented is a method for determining the maximum number of key selection vectors (KSVs) supported by an HDCP source. The method includes providing a number of KSVs to the HDCP source, determining whether the HDCP source has entered a failure mode in response to the provided number of KSVs, increasing or decreasing the number of KSVs in response to the HDCP source not entering or entering the failure mode, providing the increased or decreased number of KSVs to the HDCP source, determining ...

Paint brush with reinforced ferrule construction

Patent Number: 8439452
Publication Date: 2013-05-14
Inventor:

A method for making a paint brush includes coupling a plurality of filaments to a handle inside a sleeve with the handle extending out of the sleeve. At least a portion of the handle and the sleeve are coated with a substantially impermeable coating to form a seal around an interface between the sleeve and the handle without covering the plurality of ...

Buckle for center occupant for bench seat with extended travel

Patent Number: 8439448
Publication Date: 2013-05-14
Inventor:

A 60/40 bench seat is provided allowing for increased sliding travel along a set of tracks to allow for easier ingress and egress of a vehicle passenger accessing the rear of a bench seat. The 60/40 bench seat assembly allows for increased travel along the tracks without adding significant increases in assembly parts, cost, or weight. The 60/40 bench seat assembly is provided including a profile member and a buckle. The 60/40 bench seat assembly is divided into a 40% section seat and a 60% ...