Patents

Displaying 1 - 7 of 7

Access Control System and Process for Managing and Enforcing an Attribute Based Access Control Policy

NIST Inventors

David Ferraiolo and Gopi Katwala

This invention is a method that centrally manages Attribute-Based Access Control (ABAC) policies and locally computes and enforces decisions over those policies on objects that are locally protected using Access Control Lists (ACLs). The method is based on the expression of an ABAC policy that

Access Control System and Process for Managing and Enforcing an Attribute Based Access Control Policy

NIST Inventors

David Ferraiolo and Gopi Katwala

An access control system for managing and enforcing an attribute based access control (ABAC) policy includes: a minimum ABAC implementation that produces a representation access control list in an ABAC policy system; and a local host system that produces a resource repository access control list in

Graphic with multiple blocks showing a knowledge management system

Knowledge Management System and Process for Managing Knowledge

NIST Inventors

John T. Elliott , Talapady N. Bhat , Ursula R. Kattner , Carelyn E. Campbell , Ram D. Sriram , Eswaran Subrahmanian and Jacob Collard

A knowledge management system includes: a default knowledge system including: a knowledge system and a knowledge database in communication with the knowledge system; and a knowledge store in communication with the default knowledge system and including: a taxonomy amendment, an annotation amendment

Active Security Token with Security Phantom for Porting a Password File

An active security token includes: a sentry that controls access to token data disposed on the active security token through verification of user authentication data; the token data including: reference authentication data for verification of user authentication data; and a security phantom

Disciplined Clock for Providing a Disciplined Time and a Disciplined Frequency Synchronous with a Reference Clock

NIST Inventors

Michael A. Lombardi

Disciplined clocks work by using an external reference source to synchronize the time of their local clock, and to control the frequency of the clock’s local oscillator so that the clock is continuously kept on time. The external reference source for a disciplined clock is typically a radio

Oracle-Free Match Testing of a Program Using Covering Arrays and Equivalence Classes

NIST Inventors

D. Richard Kuhn and Raghu N Kacker

This is a method and software for testing computer software. The method applies to a broad range of software but is particularly applicable to software with complex conditions and decisions, e.g., process control, avionics, and other areas. This method also verifies equivalence classes for module

Next Generation Access Control System and Process for Controlling Database Access

NIST Inventors

Joshua Roberts , Gopi Katwala and David Ferraiolo

Provides a universal access control layer between applications and DBMSs, following a standardized ABAC model (NGAC*) that is a) DBMS-agnostic, b) does not require modification of the DBMS software, and c) can enforce types of access policies and at a granularity not typically available in database

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