cryptshell is a shell used for analysable code (eg anything before wwII). It automates letter substitution, transposition, and has modules useful for breaking various weak ciphers (enigma, substitution, vinigre). It has no real practical value.
We're working on developing a standard encryption API for the Python language,
and building a set of standard cryptography modules. The CVS tree is open
to anyone who needs it for a Python/crypto related package.
Secure Email List Services (SELS) provides software for private email discussion lists compatible with common email clients. SELS enables list members to exchange encrypted messages without exposing plaintext messages on the list server.
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