640 projects for "gnu linux" with 2 filters applied:

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  • 1
    Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing encryption, authentication, deniability, and perfect forward secrecy.
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  • 2
    Bigram Table Generator

    Bigram Table Generator

    A program to generate random reciprocal bigram tables

    A command-line program to encrypt/decrypt a message using a random reciprocal bigram table and write a bigram table to a text file. Executing the program without any command-line arguments starts bigram in message encryption/decryption mode. The program prompts for a password or passphrase and a message to encrypt/ decrypt. After the message is entered the ciphertext is displayed. Executing the program with command-line arguments causes bigram to generate a random bigram table to...
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  • 3

    innocence-java

    Replace text with POS equivalent text, in a reversible fashion.

    Program takes (currently) english text sentences, and replaces each word in a given sentence with another word having the same Part of Speach (POS) tag. This creates a new sentence containing none of the original words. This new sentence can then be transmitted to a remote user, and using the same software, "de-crypted" into yielding the original sentence. The software relies on having a known "seed" value for the random number generator, which is known only by the sender and...
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  • 4
    Azrar

    Azrar

    Encryption addressing long-term data secrecy

    Most of today's cryptographic standards will be broken with tomorrow's computational power. Azrar is a user-friendly tool for the encryption/decryption of single files - preferably compressed archives - addressing long-term data secrecy. Thus, Azrar provides the possibility to use webspace for secure data transfer between two communication/transfer partners (encryption only, network transfer not yet included in current version). Data in encrypted files are secret/private indefinitely. To...
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  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

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  • 5
    Fileprivacy

    Fileprivacy

    Fileprivacy easily encrypts your files

    Fileprivacy is a small tool which easily encrypts and decrypts files with common algorithms like AES, Blowfish, Triple DES and RSA. You can either use passwords or keyfiles. Since Fileprivacy is coded in Java it should run on all popular operating systems. #######BETA 2####### Bugfix - Beta 1 stopped working if filename was too short or long - added .exe file ####### NOTE ####### This is an early beta implying there are some issues left. The Keygenerator stops working if you...
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  • 6
    QPass password manager
    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.
    Downloads: 2 This Week
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  • 7
    Designed to use what is known about users via the /etc/passwd file on unix/linux systems to generate a dynamic dictionary or csv file of more accurate guesses as to what their possible password may be, to look for bad password protection practices.
    Downloads: 0 This Week
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  • 8
    TACACS+ protocol client library and PAM module in C. This PAM module support authentication, authorization (account management) and accounting (session management)performed using TACACS+ protocol designed by Cisco.
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  • 9
    Hide & Reveal
    Composed of a Java steganographic library and GUI to use steganography. Primarily intended for research communities on security and steganography to implement new dissimulation and steganalysis algorithms. More information at www.hidereveal.org
    Downloads: 0 This Week
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  • 10
    Secure Hash Algorithm variant of the nist maintained Secure Hash Algorithm. this is a 1024 bit digest. Comments suggestions always welcome. Rick Removed old downloads as they are long outdated. The update is the last version I worked on. Algorithm is based on the SHA2 digest. I may work on an updated version for c++11
    Downloads: 0 This Week
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  • 11

    JaStaCry

    Java Stacked Crypto

    Java Stacked Crypto merges different hiding, merging and crypto stacks to secure files.
    Downloads: 0 This Week
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  • 12
    This is a community effort to study and improve security of WPA protected WiFi networks.
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  • 13
    A collection of small utilities with a connection to cryptography and cryptanalysis. Written for efficiency and a small memory footprint.
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  • 14
    J! Secure Password Hashes
    J! Secure Password Hashes provided an easy access to all Joomla! password hash algorithms and the Drupal 7 SHA-512 hashing algorithm. Compatible: Joomla! 2.5.
    Downloads: 0 This Week
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  • 15
    RSAT

    RSAT

    A script to perform SAT attacks on RSA

    SAT solvers are being used more and more in partial key exposure attacks. The scope of this script is to show that SAT solvers can be used in partial key exposure attacks of RSA with very good results.
    Downloads: 0 This Week
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  • 16
    psyBNC is an easy-to-use, multi-user, permanent IRC-Bouncer with many features. Some of its features include symmetric ciphering of talk and connections (Blowfish and IDEA) It compiles on Linux, FreeBSD, SunOs and Solaris.
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  • 17
    "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
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  • 18
    A pure java library to operate on OpenPGP cards directly using javax.smartcard apis with no need of external dlls/frameworks (such as pkcs11 or opensc-java). Includes sample OpenPGP card edit application.
    Downloads: 0 This Week
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  • 19
    Dirt

    Dirt

    An IRC proxy to add chat encryption to IRC clients

    Dirt is a multi-platform IRC proxy that adds FiSH-compatible chat encryption (including DH1080 key exchanges) to any IRC client. It can be used as a SOCKS proxy or as a simple bouncer. For security reasons, only localhost connections are allowed.
    Downloads: 0 This Week
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  • 20
    Cyberbit

    Cyberbit

    Visual Cryptography and Bit-Plane Complexity Segmentation in Python

    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...
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  • 21

    jEncrypt

    jEncrypt is a command line file encryption archiver

    jEncrypt is a command line file encryption archiver designed to help you encrypt files and directories into a single file archive.
    Downloads: 0 This Week
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  • 22
    FroZenLight connects simple line art and mathematics. The source of light can be positioned so that either symmetric reflection patterns or secret messages (Cryptography) are created. Example light patterns and math exercises for education are provided.
    Downloads: 0 This Week
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  • 23
    LastBit Suite

    LastBit Suite

    A steganographic program to hide files into images

    This is a steganogric program that uses images last bits to hide information ( files ). It can crypt data with a rotation and a xor key.
    Downloads: 0 This Week
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  • 24
    vigenere.py

    vigenere.py

    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.
    Downloads: 0 This Week
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  • 25
    Software library for development of Swedish Medical administrative applications involving secure communication and document handling. Implementation supports standards as CMS/SMIME and modern XML security standards from W3c, Oasis etc.
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