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OpenSEED is open source implementation for SEED, the 128-bit Symmetric Block Cipher which is used widely among Korean Financial & Banking Companies. OpenSEED will implement TLS over SEED, also.
Snarfzilla was a GUI and web browser for the official Freenet Java server.
The first web browser for the dark web.
It hasn't been compatible with Freenet for several years and development ceased.
A tight python crypto module implementing only the latest and greatest: Rijndael (AES) symmetric cipher in 128, 192 and 256 bits supporting password encryption, SHA 256 and several CSPRNG schemes in pure python.
A peer-to-peer chat program that uses public key encryption (via Gnu Privacy Guard) to keep your conversations from the eyes of packet sniffers (*Cough* Carnivore *Cough*)
RotNN is a Python module that implements rotation encryption/obfuscation. The default action is similar to rot-13, but it can also rotate over the entire UNIX printable character set.
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.
A firewall knocking mechanism that is loosely based on tumbler (tumbler.sourceforge.net) instead it is written in python. A focus of this implementation will be on multiple client implementations (OSX Widget, XP taskbar, etc.)
An All in One encoder/decoder for the masses
Current version: 1.0
Supports: Base64, Hex, URL, URL+, Rot13 (Caesar), MD5, SHA-1, String Reverse, VBScript/JScript Encoder/decoder, ASCII convert
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
The OpenCoin project provides resources for creating virtual currencies: documentation, format and protocol definitions, an open-source reference implementation for issuers, users and traders. It is based on David Chaum's electronic cash concept.
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.
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.