On Mon, Jan 28, 2013 at 8:37 AM, Paul Christian <pho...@gmail.com> wrote:
> ... not much experiance ... or a details understanding of modern methods. > > I am interested in developing some technology ... One summary of why that may be hard: http://en.citizendium.org/wiki/Cryptography#Cryptography_is_difficult > ie encrypted message from browser to user on another computer. Under > circumstances that the senders life may depend on it being secure. What sort of message? If email is enough, just use PGP. For internet chat, look at Off-the-record messaging: http://www.cypherpunks.ca/otr/ If file transfer is enough, look at the secure ftp component of SSH for client/server transfers or whatever is up with secure torrent-sharing systems for P2P. For more general solutions that give you a whole encrypted network, look at TOR, IPsec or Freedombox servers: https://www.freedomboxfoundation.org/ None of those (except perhaps TOR & I am not sure about it) give you protection against traffic analysis. A snoop may not be able to read your messages, but he can tell you are using encryption and who you are using it with. Against an oppressive government, that is a fatal flaw. Monitoring can fairly easily pick up where encryption is used and it can be enough for the snoops to apply a nasty label -- "with connections to Al Qaeda" for the US, "disturbing to social harmony" in China, ... _______________________________________________ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography
