US Patent 7359517 Nestable skeleton decryption keys for digital rights management

Patent 7359517 was granted and assigned to Adobe Inc. on April, 2008 by the United States Patent and Trademark Office.

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Patent Citations Received

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US Patent 12019778 Systems and methods to perform end to end encryption

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US Patent 11782611 Logical storage device access using device-specific keys in an encrypted storage environment

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Patent Inventor Names

Edward R. Rowe0

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Patent abstract

A document access control scheme uses digital “skeleton keys” to distribute access permissions for encrypted documents in a manner that does not require that rights management files (RMFs) be associated with each document. Multiple skeleton keys can be issued for the same document. The skeleton keys themselves can be opened by one or more other skeleton keys for different levels of document access.

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