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Retroshare

RetroShare
Retroshare-symbol.png
RetroShare 0.6 screenshot.png
Developer(s) RetroShare Team
Initial release 2006; 11 years ago (2006)
Preview release
0.6.1 / 3 September 2016; 5 months ago (2016-09-03)
Repository github.com/RetroShare/RetroShare
Development status Active
Written in C++
Operating system Windows, Linux, OS X, FreeBSD
Available in 38 languages
Type Anonymous P2P, friend-to-friend, chat, instant messaging, newsgroups, voice over IP, darknet, social network, email client
License GNU General Public License
Website retroshare.github.io

RetroShare is open source software for encrypted filesharing, serverless email, instant messaging, online chat, and BBS, based on a friend-to-friend network built on GNU Privacy Guard (GPG). It is not strictly a darknet since optionally, peers may communicate certificates and IP addresses from and to their friends.

There has been an unofficial build for the single-board computer Raspberry Pi, named PiShare, since 2012.

The web site 'PRISM Break' has recommended RetroShare for anonymous file sharing since 2013.

On November 4, 2014, RetroShare scored 6 out of 7 points on the Electronic Frontier Foundation's secure messaging scorecard. It lost a point because there has not been a recent independent code audit.

After initial installation, the user generates a pair of (GPG) cryptographic keys with RetroShare.

After authentication and exchanging an asymmetric key, OpenSSL is used to establish a connection, and for end to end encryption. Friends of friends cannot connect by default, but they can see each other, if the users allow it.

IPv6 support is planned for the RetroShare 0.6 release branch with a possible release in 2016.


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