Nettle is a cryptographic library that is designed to fit easily in more or
less any context: In crypto toolkits for object-oriented languages (C++,
Python, Pike, ...), in applications like LSH or GNUPG, or even in kernel space.

The OpenSSL Project is 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 with full-strength cryptography. The project is managed
by a worldwide community of volunteers that use the Internet to
communicate, plan, and develop the OpenSSL toolkit and its related
documentation.

OpenSSL is a software library to be used in applications that need to
secure communications over computer networks against eavesdropping or
need to ascertain the identity of the party at the other end.
OpenSSL contains an implementation of the SSL and TLS protocols.

OpenSSL is a software library to be used in applications that need to
secure communications over computer networks against eavesdropping or
need to ascertain the identity of the party at the other end.
OpenSSL contains an implementation of the SSL and TLS protocols.

openSSL Dynamic PKCS #11 Engine

Staging project for testing upcomming OpenSSL release before pushing it to security:tls and Factory

The HTP Library is an HTTP normalizer and parser written by Ivan Ristic of Mod Security fame for the OISF. This integrates and provides very advanced processing of HTTP streams for Suricata. The HTP library is required by the engine, but may also be used independently in a range of applications and tools.

The Suricata Engine is an Open Source Next Generation Intrusion Detection and Prevention Engine. This engine is not intended to just replace or emulate the existing tools in the industry, but will bring new ideas and technologies to the field.

OISF is part of and funded by the Department of Homeland Security's Directorate for Science and Technology HOST program (Homeland Open Security Technology), by the the Navy's Space and Naval Warfare Systems Command (SPAWAR), as well as through the very generous support of the members of the OISF Consortium. More information about the Consortium is available, as well as a list of our current Consortium Members.