20 Cryptography libraries and projects

  • OpenSSL

    9.8 9.9 L2 C
    TLS/SSL and crypto library
  • libsodium

    9.3 0.0 L3 C
    A modern, portable, easy to use crypto library.
  • SonarCloud, a cloud-based static analysis tool for your CI/CD workflows, offers a one-click automatic analysis of C and C++ projects hosted on GitHub. Zero configuration and free for open-source projects! Analyze free.
  • mbedTLS

    8.7 9.9 L2 C
    An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
  • Crypto++

    8.5 0.0 L1 C++
    free C++ class library of cryptographic schemes
  • Tiny AES128 in C

    8.3 0.0 L5 C
    Small portable AES128/192/256 in C
  • s2n

    8.1 0.0 L3 C
    An implementation of the TLS/SSL protocols
  • Botan

    7.3 9.7 L1 C++
    Cryptography Toolkit
  • LibTomCrypt

    6.7 0.0 L3 C
    LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
  • LibreSSL

    6.2 0.0 L4 C
    LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to [email protected] are welcome.
  • Themis by Cossack Labs

    6.2 6.4 L3 C
    Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
  • Bcrypt

    5.5 5.8 L3 Python
    Modern(-ish) password hashing for your software and your servers
  • libhydrogen

    4.3 0.0 C
    A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
  • digestpp

    3.1 0.0 C++
    C++11 header-only message digest library
  • retter

    2.4 0.0 L3 C
    A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography & security. :closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key: (project was renamed, libchaos is main)
  • mbedcrypto

    1.9 1.9 C++
    a portable, small, easy to use and fast c++14 library for cryptography.
  • GnuTLS

    1.1 0.0 L2 C
  • GnuPG

    1.0 0.0 L1 C
    Mirror of git://git.gnupg.org/gnupg.git — master branch contains no changes from upstream.
  • Libgcrypt

    A general purpose cryptographic library originally based on code from GnuPG. [LGPLv2.1+]
  • BeeCrypt

    A portable and fast cryptography library. [LGPLv2.1+]
  • Nettle

    A low-level cryptographic library. [LGPL]

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