OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library.
OpenSSL is licensed under an Apache-style license, which basically means that you are free to get
... [More] and use it for commercial and non-commercial purposes subject to some simple license conditions. [Less]
Kamailio is an open source SIP server application formerly named OpenSER. Starting with v3.0.0 it has merged its ancestor project, respectively SIP Express Router (SER). The project is managed by its community, released under GPLv2, and focusing to build a flexible and rock solid SIP server.
Among features: full RFC3261 implementation, support for IPv4, IPv6, UDP, TCP, TLS, SCTP, DNS SRV and NAPTR, Websockets for WebRTC, least cost routing, load balancing, AAA and prepaid billing, presence server, RCS/RCSe, embedded XACP server and MSRP relay, RADIUS, XMLRPC control interface, IMS extensions, MySQL, Postgres and many other DB backends, embedded interpreters for Lua, Perl, Python, C# and other languages, IMS extensions. [Less]
Paper (DRAFT) on Best Current Practices regarding the configuration of cyptographic tools and online communication.
This whitepaper arose out of the need for system administrators to have an updated, solid, well researched and thought-through guide for configuring SSL, PGP, SSH and other
... [More] cryptographic tools in the post-Snowden age. Triggered by the NSA leaks in the summer of 2013, many system administrators and IT security specialists saw the need to strengthen their encryption settings. This guide is specifically written for these system administrators.
Initiated by Aaron Kaplan (CERT.at) and Adi Kriegisch (VRVis), a group of specialists, cryptographers and sysadmins from CERTs, academia and the private sector joined forces to write such a concise, short guide. [Less]