Encryption Algorithms for Linux

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

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  • 1
    xxHash

    xxHash

    Extremely fast non-cryptographic hash algorithm

    xxHash is an extremely fast non-cryptographic hash algorithm, working at RAM speed limit. It is proposed in four flavors (XXH32, XXH64, XXH3_64bits and XXH3_128bits). The latest variant, XXH3, offers improved performance across the board, especially on small data. It successfully completes the SMHasher test suite which evaluates collision, dispersion and randomness qualities of hash functions. Code is highly portable, and hashes are identical across all platforms (little / big endian). Performance on large data is only one part of the picture. Hashing is also very useful in constructions like hash tables and bloom filters. In these use cases, it's frequent to hash a lot of small data (starting at a few bytes). Algorithm's performance can be very different for such scenarios, since parts of the algorithm, such as initialization or finalization, become fixed cost. The impact of branch misprediction also becomes much more present.
    Downloads: 7 This Week
    Last Update:
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  • 2
    shadowsocks-libev

    shadowsocks-libev

    Bug-fix-only libev port of shadowsocks

    Shadowsocks-libev is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. Shadowsocks-libev is written in pure C and depends on libev. It's designed to be a lightweight implementation of shadowsocks protocol, in order to keep the resource usage as low as possible. Snap is the recommended way to install the latest binaries. You can build shadowsocks-libev and all its dependencies by script. The latest shadowsocks-libev has provided a redir mode. You can configure your Linux-based box or router to proxy all TCP traffic transparently, which is handy if you use an OpenWRT-powered router. Although shadowsocks-libev can handle thousands of concurrent connections nicely, we still recommend setting up your server's firewall rules to limit connections from each user. We strongly encourage you to install shadowsocks-libev from jessie-backports-sloppy.
    Downloads: 2 This Week
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  • 3
    mp3stegz is an application that apply steganographic (steganography) algorithm in mp3 files. mp3stegz will maintain original mp3 file's size and sound quality. The hidden message is compressed(zlib) and encrypted(Rijndael).
    Downloads: 7 This Week
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  • 4

    Largest Generic Hash and HMAC Program

    57 Hash Functions In One Program, plus each with HMAC or KMAC

    FEHASHMAC is the largest collection of publicly known hash algorithms integrated into a command-line utility. FEHASHMAC contains a set of known test vectors and results for each algorithm such that the correct implementation for each hardware platform and compiler version can directly be verified. Currently 57 hash algorithms like sha1 sha224 sha256 sha384 sha512 and variants, sha3 and shake, all SHA3 finalists and blake3, md2 md4 md5 md6, rmd128 rmd160 rmd256 rmd320, whirl gost lash160 lash256 lash384 lash512 tiger2 and RFC 2104 HMAC and KMAC support are included, plus SHA3 extensions kmac128, kmac256, kmacxof128, kmacxof256 for message.
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    Downloads: 5 This Week
    Last Update:
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  • 5
    Cryptomni is a program which can encrypt and decrypt files using the one-time pad cipher. If a key is truly random, kept secret, and never reused, this encryption algorithm can be proven to be unbreakable.
    Downloads: 8 This Week
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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
    Last Update:
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  • 7

    cppcrypto

    C++ cryptographic library (modern hash functions, ciphers, KDFs)

    cppcrypto provides optimized implementations of cryptographic primitives. Hash functions: BLAKE, BLAKE2, Echo, Esch, Groestl, JH, Kupyna, MD5, SHA-1, SHA-2, SHA-3, SHAKE, Skein, SM3, Streebog, Whirlpool. Block ciphers: Anubis, Aria, Camellia, CAST-256, Kalyna, Kuznyechik, Mars, Serpent, Simon, SM4, Speck, Threefish, Twofish, and Rijndael (AES) with all block/key sizes. Stream ciphers: HC-128, HC-256, Salsa20, XSalsa20, ChaCha, XChaCha. Encryption modes: CBC, CTR. AEAD modes: Encrypt-then-MAC (EtM), GCM, OCB, ChaCha-Poly1305, Schwaemm. Streaming AEAD. MAC functions: HMAC, Poly1305. Key derivation functions: PBKDF2, scrypt, Argon2, HKDF. Includes sample command-line tools: - 'digest' - for calculating and verifying file checksum(s) using any of the supported hash algorithms (similar to md5sum or RHash). - 'cryptor' - for file encryption using Serpent-256 algorithm in AEAD mode. Check out the cppcrypto web site linked below for programming documentation.
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    Downloads: 3 This Week
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  • 8
    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.
    Downloads: 2 This Week
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  • 9
    puff

    puff

    Fast and Strong Data Encryption Algorithm

    svn checkout http://umcipher.googlecode.com/svn/trunk/ umcipher-read-only
    Downloads: 2 This Week
    Last Update:
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  • 10
    haveged is a daemon that feeds entropy into the linux /dev/random pool using a random number generator based upon the HArdware Volatile Entropy Gathering and Expansion algorithm.
    Downloads: 3 This Week
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  • 11
    MicroZip

    MicroZip

    Create,extract and encrypt ZIP,GZIP,TAR,BZIP2,TAZ files on Java mobile

    MicroZip is a powerful file compression and encryption utility for mobile phones which allows you to create and extract compressed archives in multiple formats and encrypt sensitive information with powerful AES-256 encryption. MicroZip can create and extract ZIP,TAR,TGZ,TBZ2 archives and extract many other formats as JAR,GZ,BZ2,TBZ,WAR,BZIP2,GZIP,Z,TAZ,CBZ etc. MicroZip allows you to extract selected files without extracting the whole ZIP archive. MicroZip also supports encrypted ZIP archives with both classic ZIP encryption and AES 256 encryption algorithm.
    Downloads: 1 This Week
    Last Update:
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  • 12
    Figaro's Password Manager (FPM) is a GNOME application that allows you to securely store & categorize your passwords, which are encrypted using the blowfish algorithm. It can launch applications using the host names, user names, and passwords you supply.
    Downloads: 2 This Week
    Last Update:
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  • 13
    sha is a file hashing utility that uses the NIST's SHA-1, SHA-256, SHA-384, & SHA-512 hash algorithms. It can be used for file integrity checking, remote file comparisons, etc. The portable algorithm implementations can be useful in other projects too.
    Downloads: 2 This Week
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  • 14
    FinalCrypt

    FinalCrypt

    FinalCrypt - Unbreakable One-Time Pad Encryption

    Why FinalCrypt? 1. Most people choose Disk-Encryption as it's easier to unlock a whole drive, but Big-Brother or Malware can then also read all your files. Only use File-Encryption! 2. Most software uses recently broken AES encryption. 3. Soon The Shor's algorithm will instantly break all assymmetric encryption with Quantum Computers. 4. FinalCrypt uses Symmetric One Time Pad Encryption, which is the most unbreakable encryption there is. 5. FinalCrypt is the only "One Time Pad", OpenSource, Cross-Platform, (Bulk) File Encryption Software available.
    Downloads: 1 This Week
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  • 15
    NTK Ultra-Compression

    NTK Ultra-Compression

    Logiciel de compression de fichiers maximal indépendant du temps.

    Le logiciel NTK Ultra-Compression répond à une problématique essentielle de l’ère numérique : comment réduire la taille des données à leur minimum absolu sans compromis sur leur intégrité, tout en s’affranchissant des contraintes temporelles ? Dans un monde où les volumes de données explosent et où les solutions actuelles de compression restent limitées par des compromis entre rapidité, efficacité et complexité, nous proposons une approche disruptive. Les solutions actuelles, telles que le format ZIP ou 7z, bien qu’efficaces, atteignent leurs limites en termes de taux de compression et d’efficacité pour les fichiers volumineux ou complexes. Ces outils sont souvent contraints par des compromis entre rapidité d’exécution et efficacité de stockage. Cette approche disruptive s’adresse notamment aux utilisateurs ayant besoin de manipuler des fichiers volumineux, comme les logiciels, les jeux vidéo ou les bases de données, où chaque octet économisé compte.
    Downloads: 1 This Week
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  • 16
    RC4.NET is a library that adds support for encrypting/decrypting using the symmetric RC4 algorithm in the .NET environment. The library is written in C# language, and performs equally well on both the Microsoft CLR and Mono platform.
    Downloads: 1 This Week
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  • 17
    Java implementation of Shamir's Secret Sharing algorithm as described in Applied Cryptography [as LaGrange Interpolating Polynomial Scheme].
    Downloads: 1 This Week
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  • 18
    ShredBitz
    ShredBitz is a free and simple file shredder tool that can wipe selected files from any hard disk drive. ShredBitz is written in the java programming language and uses a custom written algorithm for shredding. ShredBitz is a very powerful tool.
    Downloads: 1 This Week
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  • 19
    OhCrypt Encryption Tool
    OhCrypt lets you easily encrypt and decrypt files using some of the most popular algorithms, like AES, Blowfish and Serpent. With OhCrypt, you can secure your data with a password-based encryption algorithm through a clean and simple interface. It demonstrates state of the art of cryptology techniques, such as password hashing and salt. Ohcrypt also features self-extractable and self-destructive encrypted files
    Downloads: 2 This Week
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  • 20
    LEACrypt

    LEACrypt

    TTAK.KO-12.0223 Lightweight Encryption Algorithm Tool

    The Lightweight Encryption Algorithm (also known as LEA) is a 128-bit block cipher developed by South Korea in 2013 to provide confidentiality in high-speed environments such as big data and cloud computing, as well as lightweight environments such as IoT devices and mobile devices. LEA is one of the cryptographic algorithms approved by the Korean Cryptographic Module Validation Program (KCMVP) and is the national standard of Republic of Korea (KS X 3246). LEA is included in the ISO/IEC 29192-2:2019 standard (Information security - Lightweight cryptography - Part 2: Block ciphers). This project is licensed under the ISC License. Copyright © 2020-2021 ALBANESE Research Lab Source code: https://github.com/pedroalbanese/leacrypt Visit: http://albanese.atwebpages.com
    Downloads: 1 This Week
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  • 21
    Simple Cipher Algorithm

    Simple Cipher Algorithm

    Java Encryption Utility.

    Very simple to use symmetric Java encryption utility. Please write a review. Email me with any questions or problems.
    Downloads: 1 This Week
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  • 22
    This program is a replica of SafeSex by Nullsoft. Written from scratch on the .NET Framework 3.5. It allows you to keep useful notes in a safe manner, as it allows for encryption using the world renowned AES encryption algorithm.
    Downloads: 1 This Week
    Last Update:
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  • 23
    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
    Downloads: 1 This Week
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  • 24
    egrsa

    egrsa

    rsa-elgamal comparison

    compare time of process between rsa and elgamal algorithm used to encryption and digital signature.
    Downloads: 1 This Week
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  • 25

    file digest

    A command-line utility for calculating and verifying file checksums.

    Digest is a command-line utility which can be used to calculate and verify checksums of any files, similar to md5sum or RHash, but using modern hash algorithms. Supported algorithms: BLAKE, BLAKE2, Grøstl, JH, Kupyna, MD5, SHA-1, SHA-2, SHA-3, Skein, SM3, Streebog, Whirlpool. Usage: digest [-c] <algorithm> <filename(s)> For example, if you want to calculate the checksums using skein512/256 algorithm, use this command: digest skein512/256 * > checksums.skein To verify the checksums: digest -c skein512/256 checksums.skein You can get a full list of supported algorithms and test the performance of different algorithms on your PC using the command: digest test <iterations> <filename> This will calculate hash sum of <filename> multiple times (number of times is specified by <iterations>) and output the results with precise timings. Note: if you have a 64-bit operating system, use 64-bit binary of the utility, because it is significantly faster for large files.
    Downloads: 1 This Week
    Last Update:
    See Project
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