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[liberationtech] Introducing SeeOnce

Francisco Ruiz ruiz at iit.edu
Mon Jul 27 15:40:55 PDT 2015


Hello LiberationTech subscribers,

SeeOnce is a new web app that encrypts text and files with forward secrecy.
This is achieved by changing keys with every message rather than using a
server to store keys or encrypted material. SeeOnce consists of a single,
relatively small html document, which doesn't connect to any servers. It is
based on a javascript implementation of TweetNaCl, plus WiseHash, a
dictionary-based key entropy meter that adds a variable number of scrypt
key stretching rounds for weaker keys.

Forward secrecy is obtained through a protocol similar to OTR messaging,
except that communications are expected to be asynchronous. SeeOnce
connects to the browser's default email through conventional mailto and web
links, so users don't need to install anything. Removal of ephemeral data
can be done via a single button.

Another important goal is to make key exchange transparent to the user, so
that even complete novices can use it right away.

Please take a look at SeeOnce and give us any suggestions you might think
appropriate. The preferred way is by starting Issues at the project's
GitHub page at:

https://github.com/fruiz500/SeeOnce

The app is directly downloadable from https://seeonce.net. A Chrome app,
able to synchronize its data through Google servers, is available at:
https://chrome.google.com/webstore/detail/seeonce-privacy/jbcllagadcpaafoeknfklbenimcopnfc

Thank you very much.

-- 
Francisco Ruiz
Associate Professor
MMAE department
Illinois Institute of Technology

PL22ezLok=gqqjw-pq3eu-sgzpp-j87cn-fh7ik-6kvmn-comx2-b4xfn-gihga-s46e4=PL22ezLok
h**ps://www 'dot' youtube 'dot' com/watch?v=UOJXI8E0lKY

get the PassLok privacy app at: https://passlok.com <http://passlok.com>
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