U.S. patents available from 1976 to present.
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Multiple resource or security contexts in a multithreaded application

Patent 5915085 Issued on June 22, 1999. Estimated Expiration Date: Icon_subject February 28, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Inventor

Application

No. 810174 filed on 02/28/1997

Examiners

Primary: Treat, William M.

Attorney, Agent or Firm

International Class

H04L 009/00

Abstract

A method and system for creating flexible security control mechanisms and virtualization of nominally shared system resources. The goal is to minimize the potential for interference between concurrently executing applications in a multithreaded environment. Executable content is associated with security policies appropriate to the content, and policies are associated with the content loader; security policies are dynamically computed so that content from multiple sources can be combined to create new, yet secure, function; digitally signed executable content can bypass some security restrictions; and, nominally shared resources are managed via policies associated with the content loading mechanism.

Other References

  • Codella et al., "A Toolkit for Developing Multi-user, Distributed Virtual Environments," IEEE, pp. 401-407, Sep. 18-22, 1993
  • Dean et al., "Java Security, from Hot Java to Netscape and Beyond," IEEE, pp. 190-200, May 6-8, 199
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