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Method and system for measuring status and state of remotely executing programs

Inactive Publication Date: 2005-06-16
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] The present disclosure provides a set of mechanisms to perform integrity measurements dynamically and efficiently, and the resulting attestation methods.

Problems solved by technology

However, the applications are not measured at each load since that incurs significant overhead.

Method used

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  • Method and system for measuring status and state of remotely executing programs
  • Method and system for measuring status and state of remotely executing programs
  • Method and system for measuring status and state of remotely executing programs

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Embodiment Construction

[0029] An aspect of the present invention includes an improved system and method for measuring status and state of a remote runtime environment. A major problem exists in scalability with regard to a number of measurements which can be taken (run-time overhead, memory overhead) with respect to a server execution environment or any computer execution environment. The scalability issue extends reporting issues to remote parties for evaluation as well (evaluation overhead).

[0030] The present invention attests to the status and state of remotely executing programs, and may provably attest the status and state of remote and / or dynamic runtime environments. In useful embodiments, before a program is executed, a secure hash sum is computed over the instructions of the program, and the result is stored in a coprocessor to prove to an external party what is actually running on a system. The determination of what is running includes kernel modules, shared libraries, java code, java scripts, ...

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Abstract

A system and method for providing attestation and / or integrity of a server execution environment are described. One or more parts of a server environment are selected for measurement. The one or more parts in a server execution environment are measured, and the measurements result in a unique fingerprint for each respective selected part. The unique fingerprints are aggregated by an aggregation function to create an aggregated value, which is determinative of running programs in the server environment. A measurement parameter may include the unique fingerprints, the aggregated value or a base system value and may be sent over a network interface to indicate the server environment status or state.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to software measurement and attestation, and more particularly to software measurement of status and state of remote running programs. [0003] 2. Description of the Related Art [0004] Attesting or determining the status of running programs on a computer device is difficult as the entire process is dynamic. It is even more difficult in a client server environment where multiple remote clients are trying to gain access to a server and desire a system check to ensure the safety and security of their own systems. [0005] Conventional systems, such as, a Trusted Computing Group (TCG) Trusted Platform Module (TPM) provide some measurements. Current Basic Input Output Systems (BIOS) and the bootstrap loaders (with the necessary modifications) measure their integrity and that of the kernel that is booted. TCG takes a very static view of the kernel, however, and the system that is consequently boo...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F15/173
CPCG06F21/577
Inventor SAILER, REINERVAN DOORN, LEENDERT PETERZHANG, XIAOLAN
Owner IBM CORP
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