This is a Linux/portable port of OpenBSD's excellent OpenSSH. OpenSSH is based on the last free version of Tatu Ylonen's SSH with all patent-encumbered algorithms removed, all known security bugs fixed, new features reintroduced, and many other clean-ups.
5a01d22e407eb1c05ba8a8f7c654d388a13e9f226e4ed33bd38748dafa1d2b24