Processing trusted commands in trusted and untrusted environments

Processing trusted commands in trusted and untrusted environments

A method for executing trusted commands, in which a trusted command is first received from a user at a user terminal and parsed by untrusted code; then passed to a trusted computing base for execution. The trusted computing base displays some indication of what is to be done back to the user for con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GASSER MORRIE, SAWYER PAUL DOUGLAS, CASEY, JR. THOMAS ANDREW, KENDALL LESLIE RICHARD, MASON ANDREW HALSTEAD, LIPNER STEVEN B, KAHN CLIFFORD EARL, HALL JUDITH SHELHORSE, ZURKO MARY ELLEN
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method for executing trusted commands, in which a trusted command is first received from a user at a user terminal and parsed by untrusted code; then passed to a trusted computing base for execution. The trusted computing base displays some indication of what is to be done back to the user for confirmation. Confirmation of the commands prevents unauthorized modification of the commands and increases system confidence. A randomly (or pseudo-randomly) generated process identifier is employed to verify the existence of a trusted path.