Cryptography
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  Tuesday, August 22, 2006


So what began as a home improvement project culminated in a system called Cleversafe, with potential applications far beyond Mr. Gladwin's memorabilia. For companies and government agencies trying to secure networked data, it offers a simple way to store digital documents and other files in slices that can be reassembled only by the computers that originally created the files.

The idea of distributed data storage is not new. But Cleversafe is significant because it is an open-source project -- that is, the technology will be freely licensed, enabling others to adopt the design to build commercial products. That approach may contribute to Cleversafe's potential to lower the cost of reliably storing data on the Internet.

"If we distributed data around the world this way, it would be a pretty resilient way to store data," said David Patterson, a computer scientist at the University of California, Berkeley, who is a pioneer in designing distributed data storage techniques.

Mr. Gladwin contends that Cleversafe can store data at a lower cost and make it more secure than current Internet services. The group is counting on a continuing explosion of consumer digital data of all types, including new generations of high-definition still and video cameras that will create demand for secure and private backup capabilities.


12:11:27 PM    

 uler writes "The NY Times has an article about an interesting new open source storage project. Unlike data storage mechanisms today that work 'by making multiple copies of data,' the Cleversafe software takes an 'approach based on dispersing data in encrypted slices.' It's an elegant solution and one that's been a long time coming: the software uses algorithmic techniques known by mathematicians since the 70's. Adi Shamir (of RSA) first wrote of information dispersal is his 1979 paper 'How to Share a Secret (pdf).'"
12:03:57 PM    


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