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Document Title |
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8136162 |
Intelligent network interface controller
A network interface device includes a security database and a security services engine. The security database is configured to store patterns corresponding to predetermined malware. The security...
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8090961 |
Security switch
A system and method for securing a personal device that includes a device core and a peripheral device from unauthorized access or operation. The system and method use a switch, included fully or...
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8041030 |
Techniques for evaluating live payment terminals in a payment system
Live payment terminals employing payment system public keys are evaluated. Dedicated test payment cards are internally issued by an operator of the payment system. Presentation of at least one of...
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7978850 |
Manufacturing embedded unique keys using a built in random number generator
A method of manufacturing a device containing a key is disclosed. The method generally includes the steps of (A) fabricating a chip comprising a random number generator, a nonvolatile memory and a...
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7970127 |
User equipment identification specific scrambling
A base station for use in a code division multiple access communication system comprises circuitry configured to process a user equipment identification (UE ID) by ½ rate convolutionally encoding ...
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7945779 |
Securing a communications exchange between computers
For use in a distributed system where a client computer is operable to communicate with a server computer and to receive a digital certificate associated with a remote external component, apparatus...
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7913316 |
Semiconductor integrated circuit and method for testing semiconductor integrated circuit
A check computation circuit executes a computation corresponding to a computation for generating confidential CRC data, with respect to confidential data read from a non-volatile device. A...
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7907722 |
Protection against power analysis attacks
An electronic circuit for cryptographic processing, comprising a first combinatorial logical circuit, arranged to perform a first set of logical operations on input data and to produce output data,...
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7853010 |
Testing of an algorithm executed by an integrated circuit
A method for testing the resistance of an algorithm using at least one secret quantity against attacks measuring physical effects of the execution of the algorithm by an integrated circuit,...
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7831827 |
Authenticated communication between multiple entities
A method of passing validated information along a series of entities, the series of entities including a source entity, a series of at least one intermediate entity, and a target entity, wherein...
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7817799 |
Maintaining encryption key integrity
Provided are a method, system, and article of manufacture, wherein a first write only register is maintained in an encryption engine of a cryptographic unit. A second write only register is...
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7809131 |
Adjusting sensor time in a network security system
Sensor device times can vary and may be set significantly wrong. In one embodiment, the present invention can adjust a sensor's time by receiving a raw security event from a sensor device,...
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7797536 |
Cryptographic device with stored key data and method for using stored key data to perform an authentication exchange or self test
In preferred embodiments, a cryptographic device in which two key sets are stored: a normal key set (typically unique to the device) and a test key set (typically used by each of a relatively large...
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7784105 |
Device authentication system
An authenticating device generates authentication base data and verification data. The authenticating device embeds the verification data in the authentication base data to generate authentication...
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7774845 |
Computer security system
A computer security system for use in a network environment comprising at least a plurality of user computers arranged to communicate over a network, the system comprising a warning message...
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7765392 |
Method and apparatus for establishing processor as core root of trust for measurement
A programmable processor calculates a hash value of a memory region, then monitors program operation to detect a security monitoring system initialization. The hash value is added to extend a...
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7739733 |
Storing digital secrets in a vault
Methods and systems for storing secret information in a digital vault include obtaining from a user answers to a number of different questions, and identifying which subsets or combinations of the...
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7715551 |
Apparatus and method for consistency checking public key cryptography computations
A cryptographic system comprising: 1) a first Montgomery-based cryptographic engine that receives a first operand and a second operand and generates a first result and 2) a second Montgomery-based...
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7672452 |
Secure scan
According to the invention, a circuit that is capable of automated scan testing is disclosed. Included in the circuit are a cryptographic engine, a digital circuit, an input pin, and an output pin....
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7667429 |
Battery pack authentication for a mobile device
Various embodiments are described herein for a mobile communication device that authenticates a smart battery prior to use. The mobile device includes a main processor and a device memory. The...
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7660412 |
Generation of debug information for debugging a network security appliance
Debugging of a network security appliance is facilitated by allowing for generation of debug information in a user-friendly manner. In one embodiment, the network security appliance automatically...
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7634815 |
Signal generator provided with license control function and license control method thereof
A signal generator has a signal creating and supplying unit which creates a test signal to be transmitted to a measurement object and a license management unit which manages a license of waveform...
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7602903 |
Cryptography correctness detection methods and apparatuses
Methods and apparatuses are provided that can inform certain processes and/or even the user about the relative strength/weakness of cryptography services being used. In certain methods, for...
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7552354 |
Method of protecting a microcomputer system against manipulation of data stored in a memory arrangement
A method of protecting a microcomputer system against manipulation of data stored in a memory arrangement of the microcomputer system, in particular a control program stored there. Checking...
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7539304 |
Integrated circuit having self test capability using message digest and method for testing integrated circuit having message digest generation circuitry
An integrated circuit that includes operational circuitry and message digest generation circuitry coupled to the operational circuitry, a method for testing an integrated circuit including message...
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7457942 |
PC card control device, computer system using the PC card control device, and PC card identifying method
A PC card control device includes a PC card identifying part configured to identify a type of a card connected with the connector. An identification information acquisition part of the PC card...
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7450716 |
Device and method for encrypting data
For a secure encryption of original data the original data are first of all encrypted using an encryption key or an encryption algorithm. The thus obtained data are then again decrypted using a...
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7412053 |
Cryptographic device with stored key data and method for using stored key data to perform an authentication exchange or self test
In preferred embodiments, a cryptographic device in which two key sets are stored: a normal key set (typically unique to the device) and a test key set (typically used by each of a relatively large...
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7382884 |
Key management for content protection
A method for content access control operative to enable authorized devices to access protected content and to prevent unauthorized devices from accessing protected content, the method comprising:...
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7363276 |
Broadcast receiving method and apparatus and information distributing method and apparatus
A broadcast receiving method comprises storing first control information in a storage device, the first control information containing information unique to a receiver and required for the receiver...
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7340605 |
System and method for secure download of waveforms to signal generators
A system and method is disclosed for storing waveforms on a computer, while ensuring that the waveforms are only used on a signal generator fitted with the correct licensing keys. The system...
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7313703 |
Method for protecting a microcomputer system against manipulation of data stored in a storage assembly
A method of protecting a microcomputer system against manipulation of data stored in a storage assembly of the microcomputer system, in particular a control program stored there. Checking...
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7302704 |
Excising compromised routers from an ad-hoc network
A method of operating a network (120) is provided in a communications system for communications among a plurality of routers in the network. The network receives verifiable information identifying...
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7302705 |
Method and apparatus for tracing a denial-of-service attack back to its source
A backtracking method, program and unit that involves a traceback computer program for tracking a denial-of-service attack on a victim machine, v, back toward the source of the denial-of service...
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7278029 |
Program writable IC card and method thereof
An IC card and a method thereof for adding or changing a program for a memory for writing without adversely affecting the function of the IC card and by keeping the security of a program to be...
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7257557 |
Multi-modal testing methodology
A method, program and system for administering tests in a distributed data processing network are provided by the present invention. The invention includes combining predetermined test content and...
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7249305 |
Signal processing method and apparatus, signal reproducing method and apparatus, and recording medium
A signal processing method multiplexes/arranges digital data of a specific unit to form a predetermined unit, adds an error correction code to the predetermined unit to constitute an error...
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7242766 |
Method and system for encrypting and decrypting data using an external agent
A communication system including a transmitter, a receiver, a communication link (for example, a TMDS-like link), and preferably also an external agent with which the transmitter and receiver can...
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7234061 |
Methods and apparatus for verifying modules from approved vendors
A technique verifies a that a module is from an approved vendor. The technique involves obtaining vendor data and a first magic code from a module (e.g., a small form factor pluggable component),...
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7228413 |
Data transmitting/receiving method and its receiver
A data transmitting/receiving method for charging the reception of pay data in units of a reception or in units of a group to which receivers belong with a high degree of freedom and its receiver....
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7184545 |
Semiconductor integrated circuit and method of testing semiconductor integrated circuit
Confidential CRC codewords are stored along with confidential data words on a ROM. A checker subjects one of the confidential data words, which has been read out from the ROM, to the same type of...
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7079648 |
Tester of cryptographic service providers
An implementation of a technology, described herein, for ensuring reliability, stability, and adherence to a given set of security conformance standards for cryptographic program modules. An...
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7024554 |
Systems and methods that authorize target devices utilizing proprietary software and/or hardware
An integrated system comprises an authorization device that generates a second encrypted data stream in response to a first data stream, and a programmable logic device (PLD) that generates a third...
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6990387 |
Test system for identification and sorting of integrated circuit devices
A system for identifying and sorting integrated circuit devices based on an encrypted Fuse ID information such as manufacturing and test information stored in the integrated circuit device,...
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6985581 |
Method and apparatus to verify circuit operating conditions
A circuit includes an operation unit adapted to perform a circuit operation in a plurality of rounds. The operation unit may operate properly under a predetermined range of operating conditions....
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6973579 |
Generation of user equipment identification specific scrambling code for the high speed shared control channel
A code is produce for use in scrambling or descrambling data associated with a high speed shared control channel (HS-SSCH) for a particular user equipment. A user identification of the particular...
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6959085 |
Secure user identification based on ring homomorphisms
A method for authenticating, by a second user, the identity of a first user, that includes a challenge communication from the second user to the first user, a response communication from the first...
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6798883 |
Method of testing a randomizer
A method of testing a randomizer having at least one source of probabilistic data and a device for mixing the probabilistic data to form random data, where the probabilistic data includes at least...
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6792542 |
Digital system for embedding a pseudo-randomly modulated auxiliary data sequence in digital samples
A system for embedding auxiliary digital information (Di) into an existing primary digitally encoded signal (Xn) to form an unobjectionable composite digital signal (Cn). Auxiliary data bits (Di)...
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6775778 |
Secure computing device having boot read only memory verification of program code
A secure computing system stores a program, preferably the real time operating system, that is encrypted with a private key. A boot ROM on the same integrated circuit as the data processor and...
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