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High-assurance secure boot content protection

a security and boot content technology, applied in the field of secure boot content protection, can solve problems such as the vulnerability of the computer system to hacking, and achieve the effects of improving security, less expensive, and hardening the encryption process

Inactive Publication Date: 2006-02-02
INFORMATION ASSURANCE SYST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a method and apparatus for high assurance boot processing. The invention allows for secure and efficient processing of data during computer boot-up. It includes a trusted processor for authenticating and controlling the secure boot contents, as well as monitoring the authenticity of data stored in storage devices. The invention also includes a selector element for securely storing and executing boot programs, and a "heartbeat monitor" function for verifying the encryption of files and data being stored on storage devices. The invention provides increased security without the need for a trusted main processor, which can be less expensive, faster, and adaptable to a wide variety of main processor technology roadmaps.

Problems solved by technology

Unfortunately, during boot-up, the computer system is vulnerable to hacking.

Method used

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Embodiment Construction

[0022] In the following description, reference is made to the accompanying drawings which form a part hereof, and which is shown, by way of illustration, several embodiments of the present invention. It is understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the present invention.

Hardware Environment

[0023] A conventional computer system 100 is illustrated in FIG. 1. The computer 102 comprises a processor 104 coupled to one or more memory devices via an I / O device control hub 105 or similar device. Such memory devices can include random access memory (RAM) 106. The computer 102 is operatively coupled to a display 122, which presents images such as windows to the user on a graphical user interface 118B. The computer 102 may be coupled to other devices, such as a keyboard 114, a mouse device 116, a printer, etc.

[0024] Generally, the computer 102 operates under control of an operating system 108 stored in the memory ...

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Abstract

A method and apparatus for high assurance boot processing is disclosed. A trusted processor is used to authenticate a trusted boot program and in conjunction with a selector, to provide the authenticated boot program to a boot memory where it can be accessed by a main processor to execute the bootup sequence. The trusted processor also provides a command for the main processor to write a data sequence to a hard drive or similar device, and monitors the data written by the main processor to verify that the data has not been tampered with or otherwise compromised.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims benefit of U.S. Provisional Patent Application No. 60 / 593,015, entitled “HIGH-ASSURANCE PROCESSOR ACTIVE MEMORY CONTENT PROTECTION,” by Michael Masaji Furusawa and Chieu T. Nguyen, filed Jul. 30, 2004, and U.S. Provisional Patent Application No. 60 / 593,016, entitled “HIGH-ASSURANCE SECURE BOOT CONTENT PROTECTION,” by Michael Masaji Furusawa, and Chieu T. Nguyen, filed Jul. 30, 2004 which applications are hereby incorporated by reference herein. [0002] This application is related to the following co-pending and commonly assigned patent application, which application is also incorporated by reference herein: [0003] application Ser. No. ______, entitled “HIGH-ASSURANCE PROCESSOR ACTIVE MEMORY CONTENT PROTECTION,” filed on same date herewith, by Michael Masaji Furusawa and Chieu T. Nguyen.BACKGROUND OF THE INVENTION [0004] 1. Field of the Invention [0005] The present invention relates to systems and methods of secure...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F9/24
CPCG06F21/575
Inventor FURUSAWA, MICHAEL MASAJINGUYEN, CHIEU THE
Owner INFORMATION ASSURANCE SYST
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