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Comment zfec, Tahoe-LAFS (Score 1) 257

zfec is much, much faster than par2: http://allmydata.org/trac/zfec

Tahoe-LAFS uses zfec, encryption, integrity checking based on SHA-256, digital signatures based on RSA, and peer-to-peer networking to take a bunch of hard disks and make them into a single virtual hard disk which is extremely robust: http://allmydata.org/trac/tahoe

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Submission + - Tahoe-LAFS: the first secure cloud storage platfor (allmydata.org)

Zooko writes: "We just announced Tahoe-LAFS v1.5, the first cloud storage system with "provider-independent" security.

Every seller of cloud storage services will tell you that their service is "secure". But what they mean by that is something fundamentally different from what we mean. What they mean by "secure" is that after you've given them the power to read and modify your data, they try really hard not to let this power be misused. This turns out to be difficult! Bugs, misconfigurations, or operator error can accidentally expose your data to another customer or to the public, or can corrupt your data. Criminals routinely gain illicit access to corporate servers. More insidiously, employees of the service provider itself may violate your privacy out of carelessness, avarice, or mere curiousity. The most conscientious of these service providers spend considerable effort and expense trying to mitigate these risks.

What we mean by "security" is something different. The service provider never has the ability to read or modify your data in the first place — never. If you use Tahoe-LAFS, then all of the threats described above are non-issues to you. Not only is it easy and inexpensive for the service provider to maintain the security of your data, but in fact they couldn't violate its security if they tried. This is what we call provider-independent security."

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