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this simple program implements the Vigenere cipher in python
For details of this cipher see;
http://en.wikipedia.org/wiki/Vigenere_cipher
This cipher can be broken by frequency analysis, this is a toy project, and should not be used in situations where security is important.
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My first attempt at a one-way hashing class/algoritm, built as a python class. It produces variable length hash from a message block of the size you want. The resulting hash will be ~2x the message block in size, and should provide for at least as many bits of security as the block itself.
I updated this, with a different hash than original, since I found a potential collision on some blocks, not but specific to that challenge. To further correct this, I modified the padding when it's...
Visual Cryptography is a graphical form of information concealing. In a 2-out-of-2 Visual Cryptography Scheme a dealer will "split" a secret image into two shares, print the shares onto separate transparencies and hand them to the participants to the scheme. If the two participants come together, they'll be able to reveal the secret image without a computer, perfectly superimposing the transparencies they own. Analyzing a single share, no one will be able to obtain any information...
This is where web developers can get tools that can make their life easier. Web technologies and languages used contain but are not limited to HTML, XHTML, CSS, JavaScript, PHP, and AJAX. All code is extremely slim, fast running, and is W3C compliant.
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TMDA is an open source anti-spam system and local mail delivery agent written in 100% pure Python. TMDA combines whitelists, blacklists, a challenge/response system, and special-purpose e-mail addresses called "tagged addresses" to thwart spam.
NOTE: THIS PROJECT IS DEPRECATED
NEW VERSION AVAILABLE AT: https://github.com/pmsosa/CasualKrypt
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CasualKrypt is a simple and intuitive encryption/decryption tool that enables quick and easy enc/dec of text files or on-the-go messages. This program is meant for casual en/dec. DO NOT, for the love of god, encrypt your company's Top Secret reports.
Cia project tries to develop an all-purpose security tool. It's composed by ctools, the security tool; cfs, the app and cfs-server, a file & key server.
Virtual NetManager WAS a GTK frontend for VDE and QEMU. This project has been recently merged with Qemulator, and became Check the home page for the new project!!
A modern secure, robust, multithreaded, exception aware, internationalisable, portable GUI toolkit library designed for mission-critical work in C++ and Python forked from the FOX library. Replicates the Qt API in many places.
yaSSL, or yet another SSL, is an embedded ssl library for programmers building security functionality into their applications and devices. yaSSL is highly portable, and runs on standard as well as embedded platforms(QNX, ThreadX, VxWorks, Tron)
yaSSL is still available but no longer being developed. Current development on the same project continues under wolfSSL. Visit yaSSL Home above for the latest stable release.
This is a simple encryption tool to work with home-grown encryption algorithms.
It can run as either a GUI, a command-line application, or a network proxy.
Kojoney is an easy of use, secure, robust and powerfull Honeypot for the SSH Service written in Python. With the kojoney daemon are distributeds other tools such as kip2country (IP to Country) and kojreport, a tool to generate reports from the log fi
SLEncrypt is a python module for encryption with 11 ciphers at the moment, including ADFGVX, Autokey, Caesar/ROT13, Vigenere, XOR and a lot more. It contains functions allowing you to easily encrypt/decrypt files. The code is about 95% PEP 8 compilant.
The aim of this small program is to parse your address book (Evolution address book or VCard file for the moment) and check if some of your contacts have uploaded a PGP public key on a key server.
Originally made to crack /etc/passwd files from *nix utilizing the GPU. Uses GLSL and OpenGL. Acts as a parallel to John the Ripper, but for the GPU. Supports both ATI and nVidia, anywhere OpenGL can run.
An OLPC project in wxpython, aimed at allowing children to involve their families in certified decision making. All voting is to be based on digital signatures, to get legal binding.