Patent ID: 11899804
Assignee: MICRON TECHNOLOGY, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. The apparatus of claim 1, wherein the plurality of dice is arranged in a sequential chain of dice and each die of the chain is configured as being in a specific position in the chain, wherein the first die is an initial die in the chain, wherein the second die is a die in the chain immediately following the first die, and wherein each die subsequent to the second die in the chain is configured to:
store a validation code representative of a predetermined measure of firmware and parameters of a preceding die calculated according to the cryptographic algorithm;
store a measure of the firmware and parameters of the preceding die calculated from the cryptographic algorithm;
store a digital signature, a public key, and a certificate of the preceding die;
validate the public key using the certificate;
validate the digital signature using the public key; and
validate the measure by comparing the measure to the validation code.