Apparatus and method for multi-state code signing
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United States of America Patent
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Dec 12, 2017
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app pub date -
Oct 30, 2014
filing date -
Oct 30, 2014
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Abstract
An electronic device includes a memory configured to store a lab certificate, a code authentication certificate and the executable code. The electronic device also includes a processor associated with a unique device identifier. For a first operational condition of the plurality of operational conditions, the processor is configured to: retrieve the code authentication certificate associated with the executable code; determine that a valid lab certificate is present in the memory; authenticate the code authentication certificate by determining that the code authentication certificate is signed with a private developer key and that the signature is valid; and execute the executable code on the electronic device responsive to determining that the lab certificate is valid and authenticating the code authentication certificate.
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