HOST-BASED DIGITAL SIGNATURE VERIFICATION FOR GUEST COMPONENTS

HOST-BASED DIGITAL SIGNATURE VERIFICATION FOR GUEST COMPONENTS

Examples perform external verification of authenticity of software components loaded onto virtual machines (VM). A processor, external to the VM, reads the loaded software component from the VM, and restores the loaded software component to its disk image state by undoing any changes made to load th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Dabak Prasad, Kataria Alok Nemchand
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:Examples perform external verification of authenticity of software components loaded onto virtual machines (VM). A processor, external to the VM, reads the loaded software component from the VM, and restores the loaded software component to its disk image state by undoing any changes made to load the software component. The digital signature is read from the restored disk image of the software and compared to the verified digital signature of the publisher of the software component. Some examples contemplate marking the software component as verified or unverified, and preventing unverified software components from making global changes.