The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2022
Filed:
Sep. 22, 2016
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Telefonaktiebolaget LM Ericsson (Publ), Stockholm, SE;
Abstract
A method performed by a virtual trusted platform module, vTPM on an execution platform, comprises the steps of obtaining (S) encrypted information (encvTPMContext) and a first identifier (Salt), both associated with a virtual machine, VM to be executed; retrieving (S), using the identifier from a trusted launch authority, TLA, at least a first secret portion (SlaKey), the first secret portion (SlaKey) being dynamically linked to the VM and dependant on at least a property of the VM; and decrypting (S) the encrypted information (encvTPMContext) with a decryption key (EncKey) derived from at least the first secret portion (SlaKey) and a first measurement result (VmDigest) of at least the VM.