| 6865551 |
Removable content repositories |
| Mar-8-2005 |
A repository for storing digital works and controlling the use of digital works in accordance with usage rights associated with the digital works and including a manner of use for the digital work. The... |
| 6862583 |
Authenticated secure printing |
| Mar-1-2005 |
Authorized printout of an image corresponding to print data received at a print node from a network. The authorized printout comprises encrypting print data by a print node and storing the encrypted print... |
| 6859793 |
Software license reporting and control system and method |
| Feb-22-2005 |
A system, method, and computer program product are provided for managing licenses associated with an application program utilizing a network. Initially, information is collected relating to at least one... |
| 6859790 |
Data distribution system and method thereof, data processing device, data control device, and machine-readable recording medium recording distribution data |
| Feb-22-2005 |
A contents provider stores contents data in a container in a format which can only be decoded with a key distributed from an EMD service center, and transmits the container to a service provider. The service... |
| 6859789 |
Information recording medium and information processing device |
| Feb-22-2005 |
An information recording medium and information processing device capable of preventing recording and reproduction of information by unauthorized users not possessing a genuine licensed disk device. A... |
| 6859427 |
Medium, apparatus, and method related to encryption resultant information |
| Feb-22-2005 |
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 applying... |
| 6857071 |
System and method for distributing digital works, apparatus and method for reproducing digital works, and computer program product |
| Feb-15-2005 |
An editing apparatus generates a capsular work in which usage conditions for each of plural usages and usage secret information, obtained by encrypting a decryption key encrypted work data with ticket... |
| 6856977 |
Method and system for proving ownership of digital data |
| Feb-15-2005 |
A system for proving ownership of digital media works. Proof of ownership of such type of work is provided by a protocol for registering a work with a registration center thus providing the rightful owner... |
| 6850915 |
Method for controlling distribution and use of software products with net-work-connected computers |
| Feb-1-2005 |
The distribution in controlled by means of central certificates acting as a link between the authorization granted to various users and the right-of-access code allocated to the software products in connection... |
| 6850914 |
Revocation information updating method, revocation informaton updating apparatus and storage medium |
| Feb-1-2005 |
At least one set of revocation information for identifying electronic appliances that should be revoked for content protection and master revocation information for identifying electronic appliances that... |
| 6850910 |
Active data hiding for secure electronic media distribution |
| Feb-1-2005 |
A method is provided for distributing multimedia content in an electronic media distribution system. The method includes the steps of: (a) providing active hidden data, where the active hidden data includes... |
| 6848049 |
Method and apparatus for the authentication of integrated circuits |
| Jan-25-2005 |
A method for the authentication of an integrated circuit in an application system comprises, for the integrated circuit: detecting an activation scenario, and then modifying at least one of its responses.... |
| 6847950 |
Contents managing method and contents managing apparatus |
| Jan-25-2005 |
A contents managing method of regulating a number of copied contents storable on a storage medium includes giving a predetermined number of copyable contents for each content, recording the copied contents... |
| 6847949 |
Indicator system for screening protected material |
| Jan-25-2005 |
Copy-protected content material is screened for an indication of the availability of an enhanced version of a screening system and forcing an upgrade to the advanced screening system by refusing to process... |
| 6847719 |
Limiting receiver access to secure read-only communications over a network by preventing access to source-formatted plaintext |
| Jan-25-2005 |
Receiver access to a secure communication is determined by the sender. The sender defines an access parameter, such as number of times a message can be decrypted, expiration time of message, or some contingent... |
| 6842741 |
Recording medium with electronic ticket definitions recorded thereon and electronic ticket processing methods and apparatuses |
| Jan-11-2005 |
An electronic ticket comprises a ticket ID 233, an issuer ID 237, right information 239 of the electronic ticket, and issue, transfer and redeem conditions 240, 241 and 242, the entire block of these pieces... |
| 6842521 |
Method and apparatus to control copying from a drive device to a data reproducing device |
| Jan-11-2005 |
A data copy control method is applied to a computer system that has a reproducing device which receives reproducing data read out by a drive device. A shared key is produced in the drive device and the... |
| 6839847 |
Information processing equipment and IC card |
| Jan-4-2005 |
An IC card having a storage memory including a program storage unit for storing a program and a data storage unit for storing data and a central processing unit for executing a predetermined process in... |
| 6839689 |
Systems and methods for guaranteeing the protection of private information |
| Jan-4-2005 |
A system protects private information provided in an exchange between a client and a server. The system receives the private information from the client and determines whether it is of a type for which... |
| 6832358 |
System and method for providing burst licensing in a circuit simulation environment |
| Dec-14-2004 |
A system and method which allows for burst licensing, particularly for use in a circuit design and analysis system in which designers use tools to assist in characterizing and verifying the circuit. Burst... |
| 6832319 |
Content guard system for copy protection of recordable media |
| Dec-14-2004 |
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 read-only... |
| 6826699 |
Method and apparatus for performing authentication and key exchange protocols with multiple sink devices |
| Nov-30-2004 |
A method and system for a source device to simultaneously perform authentication and key exchange (hereinafter referred to as "AKE") protocols with multiple sink devices. In a communication network that... |
| 6826281 |
Storage-encryption-retrieval device and method with resulting business processes |
| Nov-30-2004 |
An encryption device includes a card with a grid comprising multiple rows and columns defining boxes for receiving individual characters. One of the columns or rows contains a master password or code character... |
| 6823075 |
Authentication watermarks for printed objects and related applications |
| Nov-23-2004 |
The disclosure describes systems for creating and authenticating printed objects using authentication and copy detection watermarks. For example, one verification system includes a watermark decoder and... |
| 6820063 |
Controlling access to content based on certificates and access predicates |
| Nov-16-2004 |
Digital rights for content downloaded to a subscriber computer from a provider are specified in an access predicate. The access predicate is compared with a rights manager certificate associated with an... |
| 6813709 |
Method and apparatus for recorded digital data protection via media volume |
| Nov-2-2004 |
A method of restricting access to recorded digital data on a digital support medium (2) using an integrated circuit e.g. on a smart card (4) containing a first decryption key (Kf) characterized in encrypting... |
| 6810389 |
System and method for flexible packaging of software application licenses |
| Oct-26-2004 |
A method for providing licenses to client computer systems to allow the client computer systems to use licensed software products includes receiving a request for a feature license for a feature included... |
| 6810388 |
Digital contents copying inhibition apparatus, digital contents copying inhibition method, and computer products |
| Oct-26-2004 |
The digital contents copying-inhibition apparatus comprises a guard data storage section which stores a guard data. This guard data is for appending to audio or video digital data which can be expressed... |
| 6810387 |
Copy prevention apparatus and method in digital broadcasting receiving system |
| Oct-26-2004 |
A copy prevention apparatus and method in a digital broadcasting receiving system protects information stored in a storage medium from being illegally duplicated by an unauthorized third party. The copy... |
| 6810200 |
Digital data processing device that restricts usage of data present on a recording medium |
| Oct-26-2004 |
A digital data recording control system reads music data from a CD and records (i.e., copies) the music data onto an SD card. The CD also stores an ISRC that specifies the content of the CD, that is, the... |
| 6802000 |
System for authenticating access to online content referenced in hardcopy documents |
| Oct-5-2004 |
A system for controlling access to online content referenced in a hardcopy document. A user requesting access to online content available on a server responds to an authentication challenge from the server... |
| 6792333 |
Product management method, program for performing product management, and storage medium having recorded the program therein |
| Sep-14-2004 |
A product management method for securing interests of a just rightful claimant of an intellectual property right is provided. The product management method is a product management method for a display... |
| 6792113 |
Adaptable security mechanism for preventing unauthorized access of digital data |
| Sep-14-2004 |
Content such as computer software, data representing audiovisual works, and electronic documents can converted from a machine-bound state to user-bound state without modification to the content data itself.... |
| 6789199 |
Tamper resistance with pseudo-random binary sequence program interlocks |
| Sep-7-2004 |
Tamper resistance is provided to avoid observation of the behavior of portions of software by calling a function exclusively available in one differentiated section of a processor and its peripherals and... |
| 6789198 |
Information distribution and processing system |
| Sep-7-2004 |
A method for delivering digital data to a plurality of processing units is disclosed. A plurality of portable memory device containing a first set of digital data is distributed to the plurality of processing... |
| 6789192 |
Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus |
| Sep-7-2004 |
A semiconductor memory card comprising a control IC 302, a flash memory 303, and a ROM 304. The ROM 304 holds information such as a medium ID 341 unique to the semiconductor memory card. The flash memory... |
| 6778969 |
Method and apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption |
| Aug-17-2004 |
A content recording method using a communication means, including reading from a recording medium identification information unique to that recording medium, receiving through the communication means permission... |
| 6775655 |
Rendering digital content in an encrypted rights-protected form |
| Aug-10-2004 |
A rendering application determines that digital content is in an encrypted rights-protected form and invokes a Digital Rights Management (DRM) system which includes a license store having at least one... |
| 6772344 |
Information distribution and processing system |
| Aug-3-2004 |
A method for delivering computer code to a plurality of processing units is disclosed. A first set of digital data is distributed to the plurality of processing units. The first set of digital data is... |
| 6772133 |
Information recording device and information reproducting device |
| Aug-3-2004 |
The information reproduction device for reproducing contents information based on license information added to the contents information and required for reproducing the contents information, includes a... |
| 6769064 |
System for protecting software |
| Jul-27-2004 |
A system for protecting software that can be executed on a computer machine, the system being of the type in which the software is associated with a memory card for insertion in a reader connected to the... |
| 6768942 |
Navigation system with decryption functions and secure geographic database |
| Jul-27-2004 |
A navigation system with decryption functions. The navigation system may receive from a portable data storage medium an encrypted authentication key, an encrypted first portion of a geographic database,... |
| 6763464 |
Self-protecting documents |
| Jul-13-2004 |
A system and method for the secure distribution of electronic documents reduces the likelihood of unauthorized reproduction and redistribution by either authorized or unauthorized recipients. A self-protecting... |
| 6754349 |
Cryptographic key, or other secret material, recovery |
| Jun-22-2004 |
Secret material, such as a cryptographic key, that is needed for operation of a computer system (4a), can be stored under password protection on a storage medium for insertion into the computer system... |
| 6754346 |
Method for tracing the distribution of physical digital media |
| Jun-22-2004 |
A method for tracing the distribution of physical digital media and reporting feedback to a content provider regarding whether the profile of the user of the physical digital media corresponds to known... |
| 6751598 |
Digital content distribution system and protection method |
| Jun-15-2004 |
In a digital content distribution method and system, a storage medium is composed of a ROM area in which a key is stored and a RAM area in which a digital content is stored. A storage medium certification... |
| 6748485 |
Recording medium, recording apparatus and recording/reproducing system for tracking use and transfer of data |
| Jun-8-2004 |
A storage medium, an apparatus, a system and a method for writing data to and reproducing data from storage medium is provided. The storage medium comprises a data area for storing data and a management... |
| 6748079 |
Method and system for recording data on and reading data from an optical medium |
| Jun-8-2004 |
Accordingly, an improved method for recording data on an optical medium is disclosed which includes receiving and encoding a first set of data frames by a CIRC encoder to generate a second set of data... |
| 6745166 |
Contents information recording method, contents information processing unit, contents information deciphering method, contents information deciphering unit and media thereof |
| Jun-1-2004 |
When enciphered contents information is transferred from media A to media B, enciphered key information and ID(A) of the media A are recorded as a control number of data link ID in a memory of a media... |
| 6744894 |
Data management system |
| Jun-1-2004 |
The present invention provides a system to ensure security of data in a computer network system. A center certifies a public-key of user of the system and distributes a secret-key. A first system comprises... |
