A method for measuring the trustworthiness of a self-protecting drive includes receiving a measurement from an element within a transitive chain of trust, processing the received measurement, storing the measurement as a verification value, comparing the verification value with a reference verification value stored on the self- protecting drive, and unlocking at least a portion of the self-protecting drive when the reference verification value corresponds to the verification value. A self-protecting drive includes a boot partition, a trusted partition, a master boot partition, a primary partition, a secondary partition, and a particular table that has a verification platform configuration register and a reference platform configuration register. The primary partition is inaccessible until the self-protecting drive determines that a value stored in the verification platform configuration register corresponds to a value stored in the reference platform configuration register.
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