SanDisk TrustedFlash: Cross-Device Access for Digital Content

Flash memory pioneer SanDisk has embedded DRM and copy protection functions into several flash card form factors. "TrustedFlash" will allow users to buy music, movies, and games on flash cards for use interchangeably in mobile phones, PDAs, laptops, and other devices, according to the company.

SanDisk says its new, patent-pending DRM approach turns the flash memory card into the system's digital rights manager, in contrast to typical proprietary DRM schemes that bind content to a particular host device, such as a specific cell phone or MP3 player. This means users can move a card -- and its DRM-protected content -- from device to device, without compromising its content protection system, according to the company.

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