Zero-knowledge cloud storage considerations

Stephan Paukner :: syslog

Thursday, September 18. 2014

Zero-knowledge cloud storage considerations

I’m using Wuala’s cloud storage for some years now, and I tried to challenge the status quo to see if there are better alternatives available in the meantime. The main requirement for me is a zero-knowledge provider, a provider that does not know my password and cannot decrypt my data (without brute force). I found these candidates:

Wuala, Tresorit, SpiderOak, MEGA, SeaFile

(Note that SeaFile is a self-hosted open-source solution.) The next requirement is location: Servers should not be located in the USA, and there should be an Android client that supports upload ...

Wuala, Tresorit, ~~SpiderOak~~^{Double-Plonk!}, MEGA, SeaFile

... and there should be an official Linux client ...

Wuala, ~~Tresorit~~^Plonk!, MEGA, SeaFile

... and the service shouldn’t require exotic TCP ports such that clients work behind a corporate firewall ...

Wuala, MEGA, ~~SeaFile~~^Plonk!

... and the service should support file revisions, download on demand only, and files should stay encrypted on client exit ...

Wuala, ~~MEGA~~^{Triple-Plonk!}

Way to go, Wuala!

Posted by Stephan Paukner in Information Technology at 06:26 | Comments (0) | Trackback (1)

Defined tags for this entry: cloud, internet, software, storage

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Stephan Paukner :: syslog on : Farewell Wuala, hail Tresorit!

Being so content with Wuala’s features I gulped when I read that they shut their service down. At least they partnered with Tresorit, another Swiss zero-knowledge cloud storage provider, to provide a dedicated transition path. Tresorit had failed fo

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