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Open Source Cryptographic Libraries
Products which are available under some form of Open Source license, and which may also be available under some form of commercial license.
| Library | Description |
|---|---|
| AmiSSL | an OpenSSL port to AmigaOS |
| Botan | a C++ cryptography library which includes a TLS implementation |
| BoringSSL | a Google fork of OpenSSL (Announcement ) (Press coverage: ycombinator, Ars Technica, PC World, ZDNet ) |
| Bouncy Castle | cryptography API for Java and C# (Wikipedia: Bouncy Castle (cryptography)) |
| Cryptlib | a security toolkit that allows one to easily add encryption and authentication services to software |
| Crypto++ | a free C++ class library of cryptographic schemes |
| GnuTLS | an LGPL-licensed TLS library with substantial documentation |
| LibreSSL | an OpenBSD fork of OpenSSL (Press coverage: ZDNet, Ars Technica) |
| LibTomCrypt | public domain open source crypto library written in C |
| miTLS | a verified reference implementation of the TLS protocol. ("reddit: miTLS - A verified reference TLS implementation") |
| NaCl | NaCl (pronounced "salt") is a easy-to-use high-speed software library for network communication, encryption, decryption, and signatures |
| NSS | a set of libraries designed to support cross-platform development of security-enabled client and server applications |
| PolarSSL | an SSL library that handles the complexities of the Secure Sockets Layer (SSL) protocol for an application (Wikipedia: PolarSSL) |
| XySSL | a C library providing a very small footprint crypto library and SSL implementation. |
Open Source Products Using OpenSSL
Products which are available under some form of Open Source License, and which may also be available under some form of commercial license.
| Product | Description |
|---|---|
| libevent | an event driven library which can optionally use OpenSSL |
| mod_ssl | SSL/TLS module for the Apache HTTP Server |
| Stunnel | an SSL encryption wrapper between remote client and local (inetd-startable) or remote server |
Languages libraries/Wrappers relying on openssl
- libcurl http://curl.haxx.se/ which can use openssl
- PHP uses libcurl http://php.net/manual/en/intro.curl.php
- Python pyOpenSSL https://github.com/pyca/pyopenssl cryptography https://github.com/pyca/cryptography
- Perl Perl-Openssl http://sourceforge.net/projects/perl-openssl/
Closed Source Cryptographic Libraries
| Library | Description |
|---|---|
| No Entry | This is a placeholder |
Closed Source Products Using OpenSSL
| Product | Description |
|---|---|
| Stonesoft Firewall Appliances [1] | Stonesoft (now McAfee) Appliances uses openssl as SSL/TLS communication library, license advertised [2] |
| No Entry | This is a placeholder |
Even if this section is empty now, it exist a numerous number of closed source products using OpenSSL.
Books and Documentation
| Title | Description |
|---|---|
| Comparison of TLS implementations | Wikipedia article comparing various TLS libraries |
| keylength.com | site which summarizes various key length recommendations |
| OpenSSL Cookbook | A free ebook that covers configuration and command-line usage (first
published in 2013; continuously updated) |
| Network Security with OpenSSL | O'Reilly book from 2002 |
