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Complementing its efforts to become known as a software and document services company, Xerox has announced ContentGuard, its entry into the growing digital rights-management field. Content-Guard is a suite of products designed to implement rights management over the complete life cycle of a document, not just point-to-point encryption.
ContentGuard, which was developed at Xerox's PARC research facility, also differs from most rights-management products in its server-based operation. It does not require the reader to install any client-side software in order to access documents. A small rights file is sent over the Web with the content.
ContentGuard generates on-the-fly Self-Protecting Documents (SPD) that contain information on access rights. SPD …