Patent ID: 8683213
Filing Date: 2014-03-25
Classification: G06F

Abstract:
1. An apparatus comprising: a processor configured to: program first and second code images into a memory device used for a wireless device, the first code image being loaded from a non-paged segment of the memory device to boot the wireless device and render the wireless device operational, the second code image being loaded as separate pages of a plurality of pages from a paged segment of the memory device while the wireless device is operational to further boot the wireless device; program a hash digest table into the non-paged segment of the memory device, the hash digest table including a plurality of hash digests each associated with a different page of the plurality of pages of the second code image, wherein each page of the plurality of pages is authenticatable by program a digital signature into the memory device, the digital signature being based on the first code image, a private key, and the hash digest table associated with the second code image, wherein the first code image is authenticatable by verifying the digital signature.