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http://www.openssl.org/ - http://www.openssl.org/
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. |
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MD5 Homepage (unofficial) - http://userpages.umbc.edu/~mabzug1/cs/md5/md5.html
Information and implementation in various languages. |
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Network Security Services - http://www.mozilla.org/projects/security/pki/nss/
Mozilla's NSS, is a set of libraries designed to support cross-platform development of security-enabled server applications. |
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Cryptlib Encryption Toolkit - http://www.cs.auckland.ac.nz/~pgut001/cryptlib/
A powerful security toolkit which allows even inexperienced crypto programmers to easily add encryption and authentication services to their software. |
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Crypto++ - http://www.cryptopp.com/
Free library of cryptographic schemes: includes ciphers, message authentication codes, one-way hash functions, public-key cryptosystems, and key agreement schemes. |
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http://www.bifroest.demon.co.uk/ctc/ - http://www.bifroest.demon.co.uk/ctc/
CTClib (PGP-interoperable ANSI C encryption software library) and CTCjava (Java crypto components and application). |
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SlavaSoft QuickHash Library - http://www.slavasoft.com/quickhash/
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. |
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FastCRC Library - http://www.slavasoft.com/fastcrc/
Optimized implementation of CRC32, CRC16 and CRC16C (CRC-CCITT) checksum algorithms. With examples in C/C++ and Visual Basic. |
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Entrust Dev-Net - http://www.entrust.com/pki/toolkits.htm
A variety of tools to add PKI functionality to your application. |
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libmcrypt - http://mcrypt.hellug.gr/#_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. |
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Python Cryptography Toolkit - http://www.amk.ca/python/code/crypto
A collection of cryptographic algorithms and protocols, implemented for use from Python. |
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http://botan.randombit.net/ - http://botan.randombit.net/
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. |
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The source code of the 128-bit PC1 cipher algorithm - http://membres.lycos.fr/pc1/
In C, Delphi, Java, Perl and Visual Basic. |
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RC-Crypt - http://www.ricksoft.co.uk/downloads/rccrypt/rccrypt.htm
Implementation of RC5 (128) in C. |
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DevOTechS: Huge Integer Math and Encryption Library (HIME) - http://www.devotechs.com/
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. |
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SSL++ -- C++ Wrapper around OpenSSL library - http://www.total-knowledge.com/progs/sslpp/
SSL++ is simple C++ library encapsulating OpenSSL functionality to make it simple and easily accessible to C++ programmers. |
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SoftaCrypt - http://www.softabar.com/home/content/view/44/65/
Java based implementation libraries for encryption and hash algorithms. |
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Snapcrypt - Cryptography Algorithms - http://www.snapshield.com/Products_licensing_fs.html
A library for the TMS320C54x DSP, includes algorithms for symmetric block ciphers, one-way hash functions, public key encryption and digital signature. |
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Punkroy and the Cypher Project - http://Punkroy.DrQue.net/Programs.html
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. |
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http://teutoburgo.web44.net/java/sysepub.html - http://teutoburgo.web44.net/java/sysepub.html
An open-source Java cipher that combines one time pad with public and private keys. |