Open Source Linux Cryptography Software

Password Safe is a password database utility. Users can keep their passwords securely encrypted on their computers. A single Safe Combination unlocks them all.

FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent encryption, Linux support and much more...

[IMPORTANT] Retroshare is now distributed on Github. Please go to http://retroshare.net to find the latest releases and sources. RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.

PortableSigner is a tool for digital signing (with X.509 certificates) of PDF files

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.

QPass is easy to use, open source password manager application with built-in password generator. You can store in it's database such data as passwords and logins which will be encrypted using AES-256 with PBKDF2(number of iterations set by user). Each entry can include additional information about entry such as name, url adress and description.

OpenSignature is an open source project for the digital signature of documents. It works with all cards supported by OpenSC and focuses on adding support for cards from accredited Italian CAs. The goal of the project is to provide a first single product

The latest version of LazLock is at https://github.com/cyberfilth/LazLock/releases A free, lightweight, portable password manager for Windows & GNU/Linux that encrypts your data with 128 bit AES encryption. LazLock also includes a password generator which allows you to create more secure passwords. A plain text version of your data is never written to disk as all decryption is done in memory. LazLock is truly portable, no installation is required so it can be run from a USB drive. Unlike similar programs, there are no dependencies on the .NET Framework (Windows) or Mono (Linux) ------------------------------------- Easily Copy and Paste your login details into any website without having to manually type them out. Your passwords aren't shown on screen so you can use LazLock in front of others without compromising your security. Generate more secure passwords for the websites that you visit, you only need to remember one password to unlock them all.

EverCrack cryptanalysis engine. The goal is cryptanalysis of any class of cipher. The focus now is the kernel - cryptanalysis of unilateral monalpha substitution ciphers extremely quickly, and later, cryptanalysis of complex ciphers for the kernel.

S/Key Generator. An RFC2289 compliant One-Time Password generator written in Java language and O.S. Thinlet package for GUI. It uses MD4 and MD5 hash algorithms.

"My session" is a class that stores session data in a database rather than files. This method in most secure than the default session system of PHP

AES256 Password Manager is a secure, portable and open source password store that uses AES256 encryption. AES256 is a fork of a project originally started by Leprechaun https://github.com/Leproide/CryptStore It's written in .NET but it can be easly be run under OSX or Linux OS using Wine. License: GNU GPL V3

AntolliCrippi Java is a simple, easy to use and multi-language tool to encrypt your files. AntolliCrippi Java is a Password Based encryptor tool written in Java. Thanks to a very simple user interface allows you to encrypt/decrypt your files in a few second. It also provide folder encryption, by converting them into a zip file before. It's available in three languages Italian, English and Spanish. But thanks to his architecture it's easy to add many other languages. All the language specification are written into some XML files. Has been written according to the Model-View-Controller design pattern so it will be easy to add more functionality.

*Unofficial* patch for DALnet's ircd, currently for version 1.4.36. Provides complete IPv6 and IPv4-in-IPv6 support and SSL support.

An original bruteforce-based encryption/decryption system. BBE was originally conceived to chat with encrypted text on IRC. mIRC and X-Chat support BBE via script addon. BBE can also encrypt MIME encoded files. Blowfish encryption is currently supported.

Questo software permette di decrittografare testi crittografati con il cifrario di Cesare tentando tutte le combinazioni possibili.

Clipperz is a web based password manager. Local encryption within the browser guarantees that no one except you can read your data. A true zero-knowledge (or host-proof) web app!

Tool "Contego" for encryption to plain text (UTF-8) and verification, testing and generation of MD5 and SHA-1 sums for files. Version 2.0 multilnguaje and fully operational. Encriptacion para texto plano (UTF-8) y utilidades para sumas MD5 y SHA-1.

Crypt-EG is an easy visual cryptosystem program that implements ElGamal method using elliptic curves.

Portable and simple program for text and files encryption (Symmetric, Asymmetric and Steganography)

Enigweb is a firefox extension similar to the Thunderbird Enigmail extension. It will encrypt or sign textareas, and decrypt/verify OpenPGP data. Additionally extensions will be provided for major webmail providers.

JavaLightServer is a multi-purpose server that can be used to share our desktop across the Internet with other authorized clients. It provides also a secure connection using SSL certificates.

OpenPortalGuard is a flexible, extensible, and massively scalable access control system for portals. It provides single-sign-on features for username/pw and smartcards as well as declarative access control.

PHPEncFS is a simple web interface to EncFS, with mount and unmount services.

PortableNotary permits you to verify pdf signature. Is OS independent and can be used from command line.