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

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  • 1
    CryptoPad v1.0

    CryptoPad v1.0

    AES-128 bit file encryptor

    CryptoPad is a Java based file encryptor ! It can encrypt every type of file. The icing on the cake is that it's 100% cross-platform. i.e. You can run the same .jar file on Windows, Mac OS, Linux and any OS capable of running JRE 8 :) CryptoPad uses AES-128 bit symmetric key encryption to secure your data.
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  • 2
    Checksum Directory

    Checksum Directory

    Check some checksum!

    A secure and centralized way to get checksums of common downloads. You will find the usual MD5 hash, but also the newer and more secure hashes like SHA-1, SHA-256 and even SHA-512. If the filesize and all up to four hashes match, you should be save to use that downloaded file.
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  • 3

    jFileCrypt

    jFileCrypt encrypts and decrypts files

    jFileCrypt encrypts and decrypts files and directories fast and secure. It is written in Java 5 and uses the Java Cryptographic Extensions. It supports the following algorithms: Blowfish, DES, 3DES, AES and RC4.
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  • 4
    ImpraStorage

    ImpraStorage

    ImpraStorage provided a private imap access to store large files

    ImpraStorage provided a private imap access to store large files. Each file stored on the server is split in severals random parts. Each part also contains random noise data (lenght depends on a crypt key) to ensure privacy and exclude easy merge without the corresponding key. An index of files stored is encrypt (with the symmetric-key algorithm Kirmah) and regularly updated. Once decrypt, it permit to perform search on the server and download each part. transfert process is...
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  • 5

    Cifrario di Cesare-Brute force

    Brute force su testi crittografati con il cifrario di Cesare.

    Questo software permette di decrittografare testi crittografati con il cifrario di Cesare tentando tutte le combinazioni possibili.
    Downloads: 0 This Week
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  • 6
    Use of Michael Rabin's Information Dispersal Algorithm to provide secure, dispersed storage in a networked environment. For full download, please get both Math-FastGF2 and Crypt-IDA releases under the files link. See project wiki for more information.
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  • 7
    Simple pygtk application for create and verify md5, crc32 and other checksum
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  • 8

    Python3 GnuPGInterface (GPG)

    Python3 GPG aka GnuPG Interface

    Python3 port of Frank Tobin's Python GnuPGInterface incorporating the --keyring and --secret-keyring patch. "Python GnuPGInterface is meant to be a filehandle-concentrating Python interface to GnuPG, the GNU Privacy Guard. It has an API similar to the Perl module GnuPG::Interface" and identical to the Python2 module GnuPGInterface.
    Downloads: 0 This Week
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  • 9
    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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  • 10
    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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  • 11

    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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  • 12
    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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  • 13
    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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  • 14
    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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  • 15
    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
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  • 16
    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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  • 17

    JaStaCry

    Java Stacked Crypto

    Java Stacked Crypto merges different hiding, merging and crypto stacks to secure files.
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  • 18
    A collection of small utilities with a connection to cryptography and cryptanalysis. Written for efficiency and a small memory footprint.
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  • 19
    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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  • 20
    "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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  • 21
    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.
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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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