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Class 708/135 - For security


Subclass of Class 708 - Electrical computers: arithmetic processing and calculating
Definition: Subject matter where a specialized input controls accessing
No. of patents: 44
Last issue date: 03/04/2008


1    
NumberTitleIssue Date
7340406Business rules system
A business rules system that creates a dynamic solution set between objects that have never been associated with one another prior to that particular instance of evaluation. A rule engine evaluates the associated objects and is programmed to evaluate a complex situa...
03/04/2008
7277540Arithmetic method and apparatus and crypto processing apparatus for performing multiple types of cryptography
An arithmetic apparatus for performing a long product-sum operation includes an integer unit arithmetic circuit, a finite field GF(2^m) based unit arithmetic circuit logically adjacent to the integer unit arithmetic circuit, a selector for selecting the integer unit...
10/02/2007
7184708Interference mitigation by adjustment of interconnect transmission characteristics
Interference within a wireless apparatus is mitigated by adjusting one or more transmission characteristics associated with an interconnect of the apparatus. In at least one embodiment, the interconnect is a PCI Express interconnect. ...
02/27/2007
7134142System and method for providing exploit protection for networks
A method and system for providing protection from exploits to devices connected to a network. The system and method include a component for determining whether an encapsulation has been applied to an attachment and unencapsulating such encapsulated attachments, a co...
11/07/2006
7050579Cryptographic methods and apparatus using word-wise montgomery multiplication
Cryptographic methods and apparatus are provided for determination of multiplicative inverses. A Montgomery radix is selected based on a wordsize, permitting word-wise Montgomery multiplication. Using word-wise Montgomery multiplication, methods and apparatus determ...
05/23/2006
7037193Method for playing a lottery game and system for realizing the same
The present invention relates to a method for playing a lottery game and for a sports-game totaliser. According to this method, each player (3) participating e.g. in a lottery uses an individual memory device (4) that comprises at least a timer (27
05/02/2006
7027598Residue number system based pre-computation and dual-pass arithmetic modular operation approach to implement encryption protocols efficiently in electronic integrated circuits
A pre-computation and dual-pass modular operation approach to implement encryption protocols efficiently in electronic integrated circuits is disclosed. An encrypted electronic message is received and another electronic message generated based on the encryption prot...
04/11/2006
7027597Pre-computation and dual-pass modular arithmetic operation approach to implement encryption protocols efficiently in electronic integrated circuits
A pre-computation and dual-pass modular operation approach to implement encryption protocols efficiently in electronic integrated circuits is disclosed. An encrypted electronic message is received and another electronic message generated based on the encryption prot...
04/11/2006
6978016Circuits for calculating modular multiplicative inverse
The modular exponentiation function used in public key encryption and decryption systems is implemented in a standalone engine having at its core modular multiplication circuits which operate in two phases which share overlapping hardware structures. The partitionin...
12/20/2005
6941478System and method for providing exploit protection with message tracking
A method and system for providing protection from exploits to devices connected to a network. The system and method include a component for determining whether an encapsulation has been applied to an attachment associated with a message and unencapsulating such enca...
09/06/2005
6876746Encryption/decryption engine for multiple isochronous data streams
Buffers, or registers, are used at one or more places between processing stages in a device for decrypting a data stream. The device has multiple processing stages arranged in a circular manner so that data is repeatedly passed from a prior stage to a next stage, an...
04/05/2005
6760011Keyboard apparatus
Herein disclosed is a keyboard apparatus which comprises a joystick, a switch mounted on the joystick, a scan board operative to input a switch signal of the switch-on action of the switch, a memory for memorizing a key code relevant to the switch, a plurality of nu...
07/06/2004
6553120Method for data decorrelation
Method for the cryptography of data recorded on a medium usable by a computing unit in which the computing unit processes an input information x using a key for supplying an information F(x) encoded by a function F. The function uses a decorrelation modul...
04/22/2003
6374277Handheld computing device with external notification system
A portable handheld computing device has a notification system that alerts a user of an event regardless of whether the device is on or off. The notification system has a notification mechanism that is activated upon occurrence of the event and remains ac...
04/16/2002
6374276Handheld computing device with external notification system
A portable handheld computing device has a notification system that alerts a user of an event regardless of whether the device is on or off. The notification system has a notification mechanism that is activated upon occurrence of the event and remains ac...
04/16/2002
6259598Method of providing an externally accessible flash memory card with security feature in a network computer
A computer chassis for covering and protecting the components of a data processing system. In a preferred embodiment, the computer chassis includes a chassis bezel. The chassis bezel has a slotted opening there through for allowing a user to access a user...
07/10/2001
6209011Handheld computing device with external notification system
A portable handheld computing device has a notification system that alerts a user of an event regardless of whether the device is on or off. The notification system has a notification mechanism that is activated upon occurrence of the event and remains ac...
03/27/2001
6134661Computer network security device and method
A keyboard which performs a password encryption function, i.e., converting a memorable (insecure) password which is typed on the keyboard, into a secure password which is used to gain access to a computer network system. A preferred embodiment of the pres...
10/17/2000
6087937Security device
An apparatus for inhibiting the theft of an electronic device includes a processor unit and a display device for displaying operational output from the processor. A receiver unit is included within the electronic device and is adapted to receive remotely ...
07/11/2000
6087955Apparatus and method for providing an authentication system
A method and apparatus for controlling access to at least one program on a computer by verifying data entered through a keyboard with data stored on a token such as a card, while isolating the entered data from the computer. The apparatus includes a verif...
07/11/2000
6069616Postal security device with computer keyboard interface
An system for interfacing a PSD to a computer is provided. The system includes a splitter that receives signals from a keyboard associated with the computer, and distributes those signals to both the computer and a keyboard monitoring circuit. The keyboar...
05/30/2000
6014747Method and apparatus for system's and chassis protection utilizing system management interrupts
A tamper detect device is provided to a chassis of a system. The tamper detect device provides a signal when the chassis is opened while at least a part of the system is under power. In one embodiment, the signal is used to produce an immediate warning. I...
01/11/2000
5935244Detachable I/O device for computer data security
The present invention provides a personal computer system for receiving and retaining data and capable of securing data retained within the system against unauthorized access. More particularly, the system includes a computer including a processor and a d...
08/10/1999
5912621Cabinet security state detection
A computer cabinet tamper detection system includes a switch that is responsive to the chassis being opened to expose the electronic hardware and an auxiliary state element that changes state in response to the switch. A reporting program runs on the hard...
06/15/1999
5911080Computer system whose power supply is controlled by an identification card and a method of supplying power to the computer system
An ID card-controlled system drive having reduced power consumption includes an ID card in which a fixed user ID is stored, an ID card reader for outputting an appropriate signal by reading data stored in the ID card, a power supply control section for ou...
06/08/1999
5771176Process and apparatus for enhancement for security in a mechanical lock environment (DPN-1)
This invention in its preferred embodiment comprises an apparatus and process (including a computer program) for controlling unmarked lock-opening keys in a security systems, whereby the conventional metal keys used to unlock rooms or cars or other entiti...
06/23/1998
5768387Key authentication method and key authentication apparatus
A key authentication device and method which, through the use of user-unique information, prevents the improper use of software. The key authentication device is equipped with a software storage medium for storing software with encoded characters, graphs,...
06/16/1998
5696822Polymorphic virus detection module
A Polymorphic Anti-Virus Module (PAM) (200) comprises a CPU emulator (210) for emulating the target program, a virus signature scanning module (250) for scanning decrypted virus code, and an emulation control module (220), including a static exclusion mod...
12/09/1997
5691928Portable personal computer having removable security module
A portable computer and a method of securing the same. The portable computer comprises: (1) a main chassis containing (a) data processing and volatile storage circuitry of the portable computer, (b) a nonvolatile storage unit coupled to the data processin...
11/25/1997
5675321Personal computer security system
The personal computer security apparatus of the present invention provides a security architecture embedded within the personal computer itself to provide a practical level of security to thereby discourage theft of the personal computer. Apparatus are pr...
10/07/1997
5663896Broadcast key distribution apparatus and method using Chinese Remainder
A communication system utilizing low bandwidth requirements for transmitting an encoded value formulated using the Chinese Remainder procedure to receivers having a private key. The system offers the advantages of low bandwidth transmission of single stan...
09/02/1997
5546333Data processor having a data table for performing a dual function of alphanumeric notice and numerical calculations
A data processor and method are used to find logp (x) wherein p is a numerical base and x is a floating point value. The method begins by deriving a number y from the quantity x wherein the number y has a predetermined sign portion, a predeterm...
08/13/1996
5544083Password management method and apparatus
In a computer system having a password registering function, when a floppy disk drive is connected to the system in registration of a password, the same password as that registered in the system is stored in a predetermined sector of a key floppy disk set...
08/06/1996
5355414Computer security system
A computer security device for preventing unauthorized access to a computer system automatically disables peripheral device access to the computer system after the peripheral input devices remain inactive for a predetermined period. The system comprises a...
10/11/1994
5058036Device for secret registration of display data
A display data secret registration drive is adapted to add secret registration data to the data in a desired row or column of table data comprising rows and columns of data and stored in a memory. When the table data is to be shown on a display, the displ...
10/15/1991
4749991Turn off protection circuit
In system capable of self turn-off, a circuit arrangement for providing a controlled turn-off includes a detecting circuit for detecting actuation of a turn-off switch, thereby providing a turn-off authorization signal. A turn-off protection circuit is co...
06/07/1988
4580235Electronic calculator with check function
An electronic calculator with a check function has at least two display parts. A calculating formula inputted with keys is continuously indicated on one display part. At the same time, operated result data corresponding to the data indicated on the one di...
04/01/1986
4267578Calculator system with anti-theft feature
A calculator anti-theft system for preventing theft of small, personal electronic calculators comprises a keyboard, a display, a calculator device, and means to store an anti-theft code individual to each calculator. The anti-theft code may be stored with...
05/12/1981
4262337Portable calculator incorporating an anti-theft feature
A portable calculator which includes circuitry for disabling operation of the display until a predetermined sequence of digits are entered from the keyboard. The circuitry includes a plurality of latches which are set in sequence in response to applicatio...
04/14/1981
4139893Calculator program security system
A calculator program is stored on a magnetic recording medium or in a memory such as a read-only-memory. The program is read into or coupled to a programmable calculator for controlling the programmable calculator. A calculator program security system is ...
02/13/1979
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