See also:

• Computers: Programming: Libraries  (66)
• Computers: Security: Products and Tools: Cryptography  (182)

• Cryptlib Encryption Toolkit   - A powerful security toolkit which allows even inexperienced crypto programmers to easily add encryption and authentication services to their software.

• Applied Cryptography Code - The code from the Applied Cryptography disk, available outside the US.
• Botan - An open-source C++ crypto library that includes block and stream ciphers, hash functions, MACs, and public key algorithms, along with an easy to use filter-based interface.
• BSAFEeay - A free, public domain implementation of RSA Data Security's BSAFE API, using the SSLeay crypto library.
• CTC - CTClib (PGP-interoperable ANSI C encryption software library) and CTCjava (Java crypto components and application).
• DevOTechS: Huge Integer Math and Encryption Library (HIME) - A dll for implementing public and secret key encryption using RSA, AES, SHA-256. Also contains functions for prime number generation, random number generation and huge integer operations.
• Emacs Cryptographic Library and Tools - Includes code for IDEA, Blowfish, SHA-1, MD5, RC16 (RC4 extension), an initial implementation of DES and a few related toys.
• Entrust Dev-Net - A variety of tools to add PKI functionality to your application.
• FastCRC Library - Optimized implementation of CRC32, CRC16 and CRC16C (CRC-CCITT) checksum algorithms. With examples in C/C++ and Visual Basic.
• Hidden Field Equations (HFE) in Java - A free implementation of the public key cryptography system with source code and documentation.
• JavaScript Encryption Program - Open source JavaScript implementation of the MD5 hash and RC4, AES, CSR and RSA ciphers.
• libmcrypt - Supports the following algorithms; BLOWFISH, TWOFISH, DES, TripleDES, 3-WAY, SAFER-sk64, SAFER-sk128, SAFER+, LOKI97, GOST, RC2, RC6, MARS, IDEA, RIJNDAEL-128 (AES), RIJNDAEL-192, RIJNDAEL-256, SERPENT, CAST-128, CAST-256, ARCFOUR and WAKE. ANSI C.
• MD5 Homepage (unofficial) - Information and implementation in various languages.
• Network Security Services - Mozilla's NSS, is a set of libraries designed to support cross-platform development of security-enabled server applications.
• OpenSSL - A collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.
• Punkroy and the Cypher Project - Collection of programming examples on encryption including: file encryption, steganography in images and sound, data base record encryption, and password verification. All written in Pascal, all source code available.
• Python Cryptography Toolkit - A collection of cryptographic algorithms and protocols, implemented for use from Python.
• QuartzLight in Java - Implements the public key signature system QuartzLight in Java where QuartzLight refers to a research version of the Quartz standard.
• RC-Crypt - Implementation of RC5 (128) in C.
• RSA MD5 Visual C++ - An implementation of the message digest algorithm. Includes a performance measurement facility.
• SlavaSoft QuickHash Library - Add hash (MD2, MD5, SHA-1, SHA-2, RIPEMD-160, PANAMA, TIGER), checksum (CRC32, ADLER32) and HMAC (HMAC-MD5, HMAC-SHA1, HMAC-SHA256, HMAC-SHA384, HMAC-SHA512, HMAC-RIPEMD160, HMAC-PANAMA, HMAC-TIGER) calculations to your Windows apps quickly and easily. C++, commercial.
• Snapcrypt - Cryptography Algorithms - A library for the TMS320C54x DSP, includes algorithms for symmetric block ciphers, one-way hash functions, public key encryption and digital signature.
• SoftaCrypt - Java based implementation libraries for encryption and hash algorithms.
• The source code of the 128-bit PC1 cipher algorithm - In C, Delphi, Java, Perl and Visual Basic.
• SSL++ -- C++ Wrapper arround OpenSSL library - SSL++ is simple C++ library encapsulating OpenSSL functionality to make it simple and easily accessible to C++ programmers.
• Sysepub - An open-source Java cipher that combines one time pad with public and private keys.

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