Browse free open source C Encryption Algorithms and projects below. Use the toggles on the left to filter open source C Encryption Algorithms by OS, license, language, programming language, and project status.

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  • 1

    NCrypted

    NCrypted - simple file encryption software with GPU support

    NCrypted is a simple file encryption software. It is implemented on top of AES 128-bit algorithm. This software was designed to be as simple as possible, so you won't find any fancy, flashy gui elements or complicated advanced options. You can also use it directly from command line. NCrypted can automatically detect and take advantage of your NVidia graphics card to speed up the file processing.
    Downloads: 0 This Week
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  • 2
    One-time password generator for the Nokia N900. Supports OAUTH tokens (HOTP, TOTP) as well as the Mobile-OTP algorithm.
    Downloads: 0 This Week
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  • 3
    A command-line to help encipher and decipher your password based on a simple algorithm. Java version provides GUI.
    Downloads: 0 This Week
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  • 4
    Pot of Gold is an open source implementation of Philippe Oechslin's "Faster Cryptanalytic Time-Memory Trade-Off" paper. It performs precomputation on a particular hash algorithm which can be later used to reverse certain hashes.
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  • 5
    The PowerCiph Data Encryption Algorithm is a versatile, yet simplistic, encryption algorithm/protocol. The ultimate goal of the algorithm is simplicity, compactness, and a lack of prerequisites.
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  • 6
    Real-Time Proactive Secret Sharing Library for RTAI is an implementation of the Shamir's secret sharing scheme and Herzberg's proactive secret sharing algorithm. The library uses a port of GNU GMP in order to make multiple precision arithmetic operatio
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  • 7
    Rinecrypt uses the Gladman implentation of the AES algorithm Rijndael and a SHA256 hash among other things, to encrypt/decrypt a file with a user supplied passsword.
    Downloads: 0 This Week
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  • 8
    A simple but fully-featured implementation of the simple Caesar Cipher encryption algorithm, specifically 'rot13' - Caesar with a factor of 13. Supports file and tty input/output, internationalisation, and also includes a shared library.
    Downloads: 0 This Week
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  • 9
    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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  • 10
    Semeir is a Encryption algorithm, Capable of block encryption. It is written in pure C. It is platform independent, and is promising for Embedded systems. Intended as an alternate, yet secure data encryption cipher.
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  • 11
    Serpent_in_CBC_mode_for_MCUs

    Serpent_in_CBC_mode_for_MCUs

    Open-source code that enables you to use Serpent in CBC mode

    Serpent_in_CBC_mode_for_microcontrollers is an open-source code that enables you to easily integrate the Serpent encryption algorithm in CBC mode to your project. Based on the work of https://github.com/peterferrie/serpent GitHub Page: https://github.com/Northstrix/Serpent_in_CBC_mode_for_microcontrollers
    Downloads: 0 This Week
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  • 12
    SysK allows to crypt text by using system informations calculate the algorithm. For each user,the crypt algo will be different. It's written in C language for Linux x86. The objective is to allows it to crypt streams, binaries and more.
    Downloads: 0 This Week
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  • 13
    TBFAA/encoder
    A program that encrypts multiple files. It uses new encryption algorithms, such as a Three-Block Feistel chiper, ArchFurry's algorithm and a new hash function. Licensed under the ISC.
    Downloads: 0 This Week
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  • 14
    TinyCrypt is a simple secure program for encrypting files. The core encryption code is only 76 lines of C code, based on the well known ARC4-D(768) algorithm.
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  • 15
    Brute is a brute force hash cracker, it allows the user to specify how many threads he want running simultaneously. It is fast, and modular, all the hash algorithm dependent code lies in a module (a shared library). Modules available: MD5; SHA256; SHA512
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  • 16
    Cryptar is a cryptographic network backup program that is able to be very efficient with network resources by using an algorithm derived from the rsync algorithm. It uses SHA-1 hashes to verify (sign) its data and AES to encrypt it.
    Downloads: 0 This Week
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  • 17
    kripta

    kripta

    A small utility to encrypt files

    An application to encrypt files using Tiny Encryption Algorithm(TEA) with user defined keys of 4 to 16 character length
    Downloads: 0 This Week
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  • 18
    openSMS4 was created by tao.tang316 and implemented in C, which is an open source implementation of the SMS4 encryption algorithm (including simple checking codes).
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  • 19
    Pseudo Random Number Generator (PRNG) frontend using libtomcrypt. It simply writes pseudorandom data (using sober-128, fortuna, yarrow or rc4 algorithm) on standard output. The output may be encoded to base64, base85 or hex or just left binary.
    Downloads: 0 This Week
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  • 20
    puff

    puff

    Fast and Strong Data Encryption Algorithm

    svn checkout http://umcipher.googlecode.com/svn/trunk/ umcipher-read-only
    Downloads: 0 This Week
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  • 21
    Ramos - McCain - RSA. Cryptographic tool based on the widely-known RSA public-key algorithm.
    Downloads: 0 This Week
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  • 22
    sectar: a program that creates encrypted tape archives(tar files), using the AES algorithm Rijndael. Encryption exported under exemption TSU 740.13. Was star, now sectar.
    Downloads: 0 This Week
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  • 23

    v1pad

    One-time-pad encryption using a virtual pad

    v1pad is a command-line tool that encrypts and decrypts files using one-time-pad encryption. v1pad uses a virtual pad, meaning that the one-time pad is generated dynamically based on user input instead of being stored in a file. The name v1pad is an abbreviation for Virtual One-Time Pad.
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  • 24

    xxteac - XXTEA Encrypter/Decrypter

    xxteac - XXTEA Encrypter/Decrypter

    This xxteac program utilizes the "Corrected Block TEA" encryption/decryption algorithm by Roger Needham and David Wheeler. The original algorithm has been slightly modified to allow arbitary length passwords / password files.
    Downloads: 0 This Week
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