A programmable non-volatile memory device includes block switching logic that enables device-level translation rules to be changed. The device-level translation rules map the external addresses received by the flash memory device to the internal addresses of the programmable non-volatile memory device. Because the device-level translation rules are changeable, the physical location in the programmable non-volatile memory device to which an external address maps can be changed in a manner that is transparent to off-device operations. By allowing device-level translation rules to be changed, block management functions can be accomplished within the programmable non-volatile memory device itself.

 
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> License-based cryptographic technique particularly suited for use in a digital rights management system for controlling access and use of bore resistant software objects in a client computer

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