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7644290 |
System and method for seal tamper detection for intelligent electronic devices
A system and method for detecting and responding to device tampering in an Energy Management (“EM”) device is disclosed. The EM device is provided with mechanisms to detect and indicate...
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7644273 |
Modulation method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs
The present invention relates to a technique for authenticating data stored on media in order to prevent piracy. According to the present invention, a lookup table contains broken or modified...
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7640658 |
Methods for forming an anti-tamper pattern
A method of forming an anti-tamper mesh on an electronic device. The method includes forming at least one terminal on the electronic device and forming a conductive mesh on at least one surface of...
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7640597 |
Image display device
An authentication/decryption unit authenticates and decrypts video signals received from a video signal output device. An open-condition detector detects the open condition of a cabinet. A memory...
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7639796 |
Method for secure integer division or modular reduction against hidden channel attacks
The invention concerns a cryptographic method which includes integer division of the type q=a div b and/or a modular reduction of the type r=a mod b, with q being a quotient, a being a number of m...
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7636441 |
Method for secure key exchange
Secure key exchange and protected content distribution between a first entity and a second entity in a processing system may be accomplished by generating, by the first entity, a first key,...
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7636860 |
Scalable and extensible secure rendering of digital content
A number of digital content rendering modules are equipped such that selective subsets of the modules may be employed to render digital content of different media, and of different format types....
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7634083 |
Differential power analysis
Information leaked from smart cards and other tamper resistant cryptographic devices can be statistically analyzed to determine keys or other secret data. A data collection and analysis system is...
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7634664 |
Devices, systems, and methods for secure download of data
A secure content receiver includes a processing unit operable to request a data file from a remote device, to provide a first encryption key to the remote device, and to receive the requested data...
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7631292 |
Code individualism and execution protection
An intrusion-resistant mechanism based on restricted code segments and code individualization is able to thwart significant amounts of known and unknown low-level attacks that inject invalid code,...
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7624283 |
Protocol for trusted platform module recovery through context checkpointing
A computer implemented method for recovering a partition context in the event of a system or hardware device failure. Upon receiving a command from a partition to modify context data in a trusted...
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7620823 |
Smart cards having protection circuits therein that inhibit power analysis attacks and methods of operating same
A smart card includes an integrated circuit device having secure information therein. A protection circuit is provided within the smart card. This protection circuit is configured to protect the...
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7620824 |
Data communicating apparatus, data communicating method, and program
A data communicating method is disclosed for use with a user terminal, the method preventing both members of a given group including the terminal and nonmembers from intercepting, tampering with or...
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7613924 |
Encrypted and other keys in public and private battery memories
Systems and methods for providing a battery module 110 with secure identity information and authentication of the identity of the battery 110 by a host 120. In one embodiment, the system for...
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7610630 |
Method of transferring information specifying a tool utilized for processing a content protected by IPMP
A method of transferring information specifying an IPMP tool utilized for processing a content protected by IPMP to an IPMP terminal specifies and uses XML schema for terminal platform...
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7602920 |
Method for making secure the pre-initialising phase of a silicon chip integrated system, in particular a smart card and integrated system therefor
A method for secure loading of a key dedicated to securing a predetermined operation into memory of a microchip of an embedded system includes, as a first step, authenticating a security device by...
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7600261 |
Security attributes in trusted computing systems
A system comprising a trusted computing platform including one or more logically protected computing environments, each of which is associated with at least one service or process supported by said...
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7599495 |
Content delivery service providing apparatus and content delivery service terminal unit
On the content delivery side, a user management control unit manages authentication information and the distribution of a delivery list at the time of delivering service, the acceptance of a...
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7599488 |
Differential power analysis
Information leaked from smart cards and other tamper resistant cryptographic devices can be statistically analyzed to determine keys or other secret data. A data collection and analysis system is...
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7590863 |
Methods of providing java tamperproofing
A method of protecting Java bytecode is provided that includes the steps of encrypting at least one Java class file to produce at least one encrypted Java class file ( 414 a ) which is archived in...
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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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7590868 |
Method and apparatus for managing encrypted data on a computer readable medium
A method and apparatus for managing encrypted data on a computer readable medium wherein an encryption key is determined for a received quantum of data. The quantum of data is encrypted according...
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7587044 |
Differential power analysis method and apparatus
Information leaked from smart cards and other tamper resistant cryptographic devices can be statistically analyzed to determine keys or other secret data. A data collection and analysis system is...
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7587613 |
Method and apparatus for selectively enabling a microprocessor-based system
A system for selectively enabling a microprocessor-based system is disclosed. State information that describes the operating conditions or circumstances under which a user intends to operate the...
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7587611 |
In-circuit security system and methods for controlling access to and use of sensitive data
The invention disclosed herein is an in-circuit security system for electronic devices. The in-circuit security system incorporates identity credential verification, secure data and instruction...
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7587600 |
Loading data onto an electronic device
A method of protecting an electronic device from unauthorized reprogramming, the electronic device comprising a data memory and a key memory, the method comprising loading into the key memory a...
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7587615 |
Utilizing hardware transactional approach to execute code after initially utilizing software locking by employing pseudo-transactions
Utilizing a hardware transactional approach to execute a code section by employing pseudo-transactions, after initially utilizing software locking, is disclosed. A method is disclosed that utilizes...
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7584501 |
System and method for authorizing use of a connection device coupled to a processing system
Embodiments of a device authorization system authorize a connection device to be communicatively coupled to a processing system. One embodiment comprises a communication system interface configured...
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7584358 |
Tamper resistant module certification authority
Methods and apparati for securely loading one or more computer software applications onto a tamper resistant module (TRM) ( 107 ) and for securely deleting one or more applications from the TRM. An...
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7584366 |
Methods, systems and computer program products for detecting tampering of electronic equipment based on constrained time to obtain computational result
Tampering of electronic equipment may be detected by instructing the electronic equipment to perform at least one computational operation at the electronic equipment, such as hashing of at least...
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7581112 |
Identifying fraudulent activities and the perpetrators thereof
A system for identifying perpetrators of fraudulent activity includes location logic for locating, extracting, or capturing identifying information from a client communication received from a...
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7581092 |
Systems and methods using cryptography to protect secure computing environments
Secure computation environments are protected from bogus or rogue load modules, executables and other data elements through use of digital signatures, seals and certificates issued by a verifying...
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7577550 |
System and method for detecting performance anomalies in a computing system
A method comprises receiving, by learning logic, historical metrics of a computing system being monitored. The learning logic determines, from the received historical metrics, forms of...
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7577253 |
Conditional access method and devices
A data stream contains content data that can be decrypted using control words. ECM messages that are included in the stream and contain the control words that is required for decrypting nearby...
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7574610 |
Security state watcher
A security device watches over the secure functionality in a computer system. This “watcher” security device may be integrated within the computer system or may be separate from it. The...
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7570762 |
Content delivery service providing apparatus and content delivery service terminal unit
On the content delivery side, a user management control unit manages authentication information and the distribution of a delivery list at the time of delivering service, the acceptance of a...
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7570533 |
Completely transportable erasable memory apparatus and method
The present invention relates to methods and apparatuses for providing data storage which can be completely erased to prevent access to previously stored data.
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7571491 |
Television receiver and electronic device
In a television receiver having a decryption unit and a video display unit which are stored in one casing, copyright protection is given to an encrypted digital video signal or analog video signal....
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7568112 |
Data access control method for tamper resistant microprocessor using cache memory
In a tamper resistant microprocessor having a cache memory, the cache memory stores the decrypted execution code or data into one of cache lines provided in the cache memory, each cache line having...
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7568140 |
Integrated circuit having configurable cells and a secured test mode
An electronic circuit includes a plurality of configurable cells configured by a control circuit such as a test access controller when it receives a mode command signal: either in a functional...
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7568114 |
Secure transaction processor
A method and system for securely and efficiently processing transactions on a client computer with secure and insecure components. A secure transaction module runs on the secure components and uses...
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7565552 |
Method for protecting against manipulation of a controller for at least one motor vehicle component and controller
The invention relates to a method for protecting against manipulation of a controller for at least one motor vehicle component, the control device ( 1 ) comprising at least one microcomputer (μC)...
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7565549 |
System and method for the managed security control of processes on a computer system
Managing and controlling the execution of software programs with a computing device to protect the computing device from malicious activities. A protector system implements a two-step process to...
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7565692 |
Floating intrusion detection platforms
The present invention is a “floating” intrusion detection system that can use any computer on the network as an intrusion detection platform. A software agent program called a “socket” is...
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7562232 |
System and method for providing manageability to security information for secured items
Improved approaches for accessing secured digital assets (e.g., secured items) are disclosed. In general, digital assets that have been secured (secured digital assets) can only be accessed by...
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7562394 |
Personal media player apparatus and method
A compact portable, self contained digital media player is provided whose content is not recordable or removable by a user. The content is reproduced in a high fidelity format. The binding of the...
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7558969 |
Anti-pirate circuit for protection against commercial integrated circuit pirates
Anti-pirate circuitry is provided for combating the theft of intellectual property contained with semiconductor integrated circuits. The anti-pirate circuit includes a unique number generator that...
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7555654 |
Apparatus, transponder, computer program product and method for enabling an active part of a computer program
A computer program product has a check routine and an active part. When the computer program product is called, a computer, while processing the check routine, initiates a transmitter to send a...
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7555787 |
IC intrusion detection
The invention relates to an electronic device for cryptographic processing, having at least two electronic circuits (IC, CC, CP) coupled via a connection means, wherein the connection means is...
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7552196 |
Detecting corrupted data before transmission to a client
A method of data transmission including receiving a request for data over an Internet, by a data provider; obtaining data, in response to the request, at the data provider; applying a quality...
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