Distributed encryption and access control scheme in a cloud environment
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United States of America Patent
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Jun 21, 2016
Grant Date -
Sep 11, 2014
app pub date -
Mar 11, 2014
filing date -
Dec 26, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
System, computer readable medium and method for decryption. The method may include receiving, by a third computerized system and from a fourth computerized system, a first encrypted file entity key and signed access metadata. The first encrypted file entity key is created by encrypting a file entity key by a first computerized system using an encryption key of a second computerized system. The signed access metadata is signed by the file entity key. The encrypted file entity is created by encrypting a file entity by the first computerized system using the file entity key. Sending, by the third computerized system, the signed access metadata and the first encrypted file entity key to the second computerized system. Receiving a response from the second computerized system. Determining, based on the response from the second computerized system, whether to facilitate a decryption of the encrypted file entity by the fourth computerized entity.
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