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7624430 |
Method for accessing a data processing system
A method that accesses a data processing system formed from data processing units that are networked, and enables a system technician to access protected data according to the two-person principle...
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7620814 |
System and method for distributing data
A system that distributes content access data which provides rights management data indicating a right of a user to reproduce and/or copy the distributed content. The system includes an...
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7620811 |
Server device and program management system
A server apparatus includes a CPU, a RAM, a cipher processing unit for carrying out encryption and decryption, a communication processing unit for carrying out communication with an information...
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RE40958 |
Medium, apparatus, and method related to encryption resultant information
A disk-shaped recording medium includes a transparent substrate, and an optical recording layer formed on the transparent substrate. A light source emits light. An optical head is operative for...
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RE40957 |
Medium, apparatus, and method related to encryption resultant information
A disk-shaped recording medium includes a transparent substrate, and an optical recording layer formed on the transparent substrate. A light source emits light. An optical head is operative for...
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7602914 |
Utilization of encrypted hard drive content by one DVR set-top box when recorded by another
A system and method for encrypting and recording content to removable storage media for use by multiple set-tops. When content is recorded to the storage media, the content is encrypted with a...
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7602913 |
Retrieval and transfer of encrypted hard drive content from DVR set-top box utilizing second DVR set-top box
A system and method for retrieval and transfer of encrypted content from a first set-top box utilizing a second set-top box. When content is recorded to the storage device of the first set-top box,...
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7590869 |
On-chip multi-core type tamper resistant microprocessor
The on-chip multi-core type tamper resistant processor has a feature that, on the microprocessor package which has a plurality of instruction execution cores on an identical package and an...
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7545935 |
Networked multimedia overlay system
Systems and methods are disclosed for providing encrypted downstream signals to a plurality of receiver devices 130, 135, 140 , where the devices 130, 135, 140 may have different decryption...
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7543337 |
System and method for automatic verification of the holder of an authorization document and automatic establishment of the authenticity and validity of the authorization document
System for reading a document provided with machine-readable holder details and establishing whether a person presented the document has a predetermined right, which document at least contains a...
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7512239 |
Protection key for hardware and information management system
A protection key for hardware includes a first storage area configured to store a key data used for permission to use software installed in a information processor, a second storage area configured...
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7508941 |
Methods and apparatus for use in surveillance systems
A control signal is provided to a video data acquisition system that generates video data. In response to receiving the control signal, the video data acquisition system modifies at least a portion...
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7486792 |
Terrestrial broadcast copy protection system for digital television
According to the invention, a method for protecting digital television from unauthorized digital receivers within a population of digital receivers is disclosed. Each digital receiver in the...
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7466826 |
Method of secure transmission of digital data from a source to a receiver
To transmit digital data representing a content from a source to a receiver through a digital communication channel, the data being scrambled by at least one control word, the method includes the...
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7437447 |
Method and system for authenticating a requestor without providing a key
A method for authenticating a requesting entity in a communications environment. In an exemplary embodiment, the method includes determining a client identification of a client node associated with...
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7424622 |
Microprocessor with improved task management and table management mechanism
A tamper resistant microprocessor has a task state table for assigning a task identifier to a task that can take a plurality of states, and storing a state of the task in correspondence to the task...
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7400725 |
Information recording medium for recording a scrambled part of content information, and method and apparatus for reproducing information recorded therein
An information recording medium, such as an optical disk or the like, is provided for recording at least copyrighted content information and cipher key information. A part of the content...
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7392389 |
Electronic transmission device, and signal transmission method
An electronic signal transmission device comprises a first communication section to be connected to a first electronic device of a signal transmitting side; a second communication section to be...
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7383230 |
System and method for the efficient exchange and pricing of services and intangible works
An exchange system for intangible goods comprises a first user system, a second user system, a registry system, a clearinghouse system and a hash module coupled for communication with each other....
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7380137 |
Content guard system for copy protection of recordable media
A system and method for enabling broadcast programs to be copied once only by consumer recorders includes writing a unique media identification on each blank disk to which content is to copied in a...
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7380135 |
Diligent control of preview of stored contents
A method of transmitting contents, which are to be received at a reception side where a portion of the contents is previewed while the contents are not accessible for playing other than for a...
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7363504 |
Method and system for keystroke scan recognition biometrics on a smartcard
The present invention discloses a system and methods for biometric security using keystroke scan biometrics in a smartcard-reader system. The biometric security system also includes a keystroke...
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7346931 |
Accepting a set of data in a computer unit
A method for transferring at least one data record from an external data source into a processor unit, e.g., and a suitably designed processor unit are described. In such a method for transcribing...
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7337146 |
Emergency information management system
A wide-area emergency information management system includes a broadcasting entity ( 10 ) and delivers content to authorized receiver clients ( 20 ), such as PC's, laptops, wireless devices, etc....
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7336788 |
Electronic book secure communication with home subsystem
The invention, an electronic book selection and delivery system, is a new way to distribute books and other textual information to bookstores, libraries and consumers. The primary components of the...
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7327843 |
Data reproducing device, hard disk, and data storing disk
A hard disk A has is constructed to include: a disk 10 in which copy protection information is written in advance in a surface shape such as slits or corrugations in a pre-recording region 13 ...
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7324974 |
Digital data file encryption apparatus and method
A digital data file encryption apparatus and method, where a digital data server identifies the user and supplies an encrypted digital data file to the user in accordance with the identified...
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7324648 |
Method and apparatus for secure key delivery for decrypting bulk digital content files at an unsecure site
Rather than downloading each content document on demand from the publisher location to the user site, at the publisher location, each content document is encrypted and then multiple encrypted...
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7301856 |
Reproduction method and apparatus, and recording method and apparatus
Decrypting information corresponding to a selected track, file pointer information, and index information are read out from a track information table having the decrypting information corresponding...
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7260726 |
Method and apparatus for a secure computing environment
An apparatus to enable operation of a computer by authorized users when in a secure mode of operation is provided. One exemplary apparatus includes a hub configured to be in communication with the...
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7251833 |
Digital media delivery with local cache and streaming tokens
A method is disclosed for enforcing the sequential playback of a multimedia file. In one aspect of the method, a sending server stores a multimedia file which is then partitioned into a plurality...
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7251329 |
Method and system for providing secure subscriber content data
A personalized smart card stores therein public and private cryptography keys stored which are used to securely request and receive subscriber content data from a service provider, utilizing a...
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7249106 |
Information processing method and apparatus and program storage medium for prohibiting duplication of contents in large quantities
A contents database 114 memorizes the discriminating information for discriminating contents and the temporal information as to the time of content duplication associated with the discriminating...
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7240366 |
End-to-end authentication of session initiation protocol messages using certificates
End-to-end authentication capability based on public-key certificates is combined with the Session Initiation Protocol (SIP) to allow a SIP node that receives a SIP request message to authenticate...
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7228437 |
Method and system for securing local database file of local content stored on end-user system
A method and system for forming a data table in memory on an end user system. The data table forming a library index of storage locations to electronic digital content in memory. The method...
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7225163 |
Recording/reproducing device and recording/reproducing method
A high-speed dubbing unit 10 for dubbing digital data from an optical disk 15 to a hard disk 16 at a high speed is connected via a public telephone line to a payment imposing unit 20 . A...
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7209562 |
Method and apparatus for decrypting encrypted data stored on a record carrier
The invention relates to a method for decrypting encrypted data stored on a record carrier, to a corresponding method for encrypting data and to corresponding apparatuses. In order to provide a...
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7209559 |
Method and apparatus for securely distributing large digital video/data files with optimum security
A method, apparatus, and article of manufacture provide the ability to securely distribute digital media content from a first entity to a second entity through an intermediate entity. A studio...
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7187771 |
Server-side implementation of a cryptographic system
The invention is a secure server, or trust engine, having server-centric keys, or in other words, storing cryptographic keys and user authentication data on a server. Users access cryptographic...
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7181433 |
Validation of transactions
The invention relates to a process of validation for transactions between a user terminal and a server of the type involving: “Request, Challenge, Response, Verification and Approval”. In other...
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7146508 |
Image processing apparatus and system and method of same
An image processing apparatus capable of preventing a copy protect function of a video or other contents signal from being disabled. An encoder encodes a contents signal from a DVD reproduction...
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7136487 |
System and method for automatically protecting private video content using embedded cryptographic security
A system and method for automatically protecting private video content using embedded cryptographic security is disclosed. A substantially continuous video signal representing raw video content is...
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7124436 |
Security unit for use in memory card
A security unit to prevent unauthorized retrieval of data includes an encrypting unit for encrypting data in accordance with commands received by the security unit, and a common register for...
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7120251 |
Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus
A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises:...
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7116892 |
System for providing scrambled content, and system for descrambling scrambled content
A system for providing scrambled content, comprising a control word generator, each control word including a control word identifier, a scrambler for providing a stream of scrambled data packets,...
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RE39319 |
Copy prevention method and apparatus for digital video system
A copy prevention method and apparatus for a digital video system is disclosed including the steps of: (a) adding a header area of a header start code and key field to a reproduced bit stream: ...
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7113926 |
Secure media on demand system whereby charge is determined in part from the periodicity of an encryption key
An object of the invention is to provide a transmitting system of which data is difficult to be tapped and which is suitable for flexibly determining a watching and listening fee. In order to...
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7110982 |
Secure access method and system
A secure electronic content system and method is provided. The system includes a controller including an interface component, a host system coupled to the controller, the host system configured to...
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7099479 |
Information transmission system, transmitter, and transmission method as well as information reception system, receiver and reception method
Content data encrypted with a content key, the content key encrypted with an individual key specific to an information sending device, and the individual key encrypted with a distribution key that...
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7095853 |
System and method for preventing an illegal copy of contents
The method of preventing illegal copy of contents encrypts a header using a key generated from the previous sector, performs variable-length coding to the encrypted header to shorten its length,...
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