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The OpenCA PKI Development Project is a collaborative effort to develop a robust, full-featured and Open Source out-of-the-box Certification Authority implementing the most used protocols with full-strength cryptography world-wide.

This tool checks the integrity of files. It is very important if you don’t want your computer to get infected with viruses and malware. Sometimes, hackers and malicious software developers modify the contents of a downloadable zip, which can even result in granting them remote access to your system. While downloading various software, you might have noticed that developers usually provide hash values (MD5) of their files. This tool enables you to verify the file integrity of the downloaded...

CrococryptQuerl =============== CrococryptQuerl (CQuerl) is a web-based open-source file encryption and file exchange tool. If you trust the application service provider which is running CrococryptQuerl, it can be seen as an "anonymous & encrypted safe deposit box for computer files". ---INTRO--- The encryption is done on-the-fly using the user's password. Of course, this requires a trusted TLS/SSL connection to the server running CQuerl. The user provides a file and password and...

Hide secret messages in your pictures! Cyberbit lets you transmit a secret message to an intended person in a new manner. The secret message is an 1-bit deep black & white image. The message can contain written text, a drawing, a secret code etc. Using Visual Cryptography the application splits the secret message into two "shadow images" called <<shares>>. Any of the two shares will be embedded into a "normal" image file called by tradition <<vessel>>. You can use a method of hand to...

The Algebraic Toy Cipher is a toy cipher for algebraic research. It is scalable in the number of bits and in the number of rounds. Works over two fields GF(2)/P, being one for the s-box invertion and the other for the mixing layer linear transformation.

Black Hole is a GPG frontend. The GUI has is file browser where you can drag and drop your files for being encrypted.

EB PKI is designed for internal public key management and you can start issuing your own certificates in less than 20 minutes. Fast, cost efficient, and secure PKI system for everyone. Certificates are signed by secure hardware to ensure high-level of security while you get all the benefits of the cloud. Enigma Bridge brings you a fully featured and simple PKI system with a certification authority and an OCSP responder supported with FIPS140-2 Level 3 hardware-protected keys....