1. A system, comprising: a BIOS residing on a machine to configure the machine at startup, wherein at least a portion of the BIOS includes an access key to at least partially validate a resource for loading within the machine during the startup; and a digital certificate accessible to the machine during the startup, wherein the digital certificate is adapted to be at least partially validated at the startup via the access key included in the BIOS, and wherein validation of the resource depends on successful validation of the digital certificate.