CPC G06F 21/572 (2013.01) [G06F 21/575 (2013.01); G06F 21/602 (2013.01); G06F 21/64 (2013.01); H04L 9/0643 (2013.01); H04L 9/3249 (2013.01)] | 18 Claims |
1. A method, comprising:
verifying an integrity of a firmware image signed with a first signature based at least in part on a first signing procedure;
generating, after successfully verifying the integrity of the firmware image signed with the first signature, a second signature for the firmware image based at least in part on a second signing procedure different from the first signing procedure, wherein a first verification time associated with the first signing procedure is different than a second verification time associated with the second signing procedure; and
performing a verification process of the firmware image in response to booting up a memory system to verify the integrity of the firmware image based at least in part on the second signing procedure and the first signing procedure.
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