If you're looking for the official release of SSH, it is listed below.
The central site for distributing ssh is at SSH Communication Security. The application is available at http://www.ssh.com/products/ssh/.
Official releases of SSH1 are PGP-signed, with the following key ID:
Type | Bits | Date | User ID |
DCB9AE01 | 1024 | 1995/04/24 | Ssh distribution key <ylo@cs.hut.fi> |
Key fingerprint = C8 90 C8 5A 08 F0 F5 FD 61 AF E6 FF CF D4 29 D9 |
Official releases of SSH2 are PGP-signed, with the following key ID:
Type | Bits/KeyID | Date | User ID |
pub | 2048/AFCA7459 | 1998/07/11 | Ssh 2 Distribution Key |
Ssh is also available via anonymous ftp from the following sites:
Here is a list of other implementations SSH clients and servers. The
official distribution from SSH
Communications Security is not included with these downloads.
Niels Möller is developing a GPL'd C implementation of the ssh version 2 protocol. Pick up the latest release at http://www.lysator.liu.se/~nisse/archive/.
Most recently, OpenBSD has also created a free SSH implementation of SSH1. You can find it at
http://www.openbsd.org/crypto.html#ssh. You can get the Linux port at
http://violet.ibs.com.au/openssh/.They say that after someone installs OpenBSD, they immediately install SSH afterward. Very cool.
There are a couple of different Java implementations of SSH.
NiftyTelnet 1.1 SSH is Jonas Wallden's implementation of SSH1 for Macintosh. It is available at http://www.lysator.liu.se/~jonasw/freeware.html.
There is David Jones' OpenVMS SSH1 server available at http://www.er6.eng.ohio-state.edu/~jonesd/ssh/.
The OpenVMS SSH1 client is done by Christer Weinigel and Richard Levitte and is available at http://www.free.lp.se/fish/.
The ISAAC group released a version of the SSH1 client for the Palm Pilot, Top Gun ssh 1.2. It's available at http://www.isaac.cs.berkeley.edu/pilot/.
Mov Software has released a port of SSH1 to WindowsCE called sshCE. You can register for beta testing at
http://www.movsoftware.com/sshce.htm.
The current BeOS R4 port of SSH1 for Intel and PowerPC platforms is available through Be directly at
http://www.be.com/beware/Network/ssh.html.
The most current port of the SSH1 client to OS/2 is available at
ftp://hobbes.nmsu.edu/pub/os2/apps/internet/telnet/client/ssh-1.2.27-b1.zip,
which runs on OS/2 Warp 3+.
There are three current commercial releases of SSH. They are distributed by SSH Communication Security, F-Secure (formally Datafellows), and Van Dyke Software.
SSH Secure Shell is available from http://www.ssh.com/products/ssh. There are clients availabl for Windows and UNIX, and server available for UNIX as well. Please contact SSH Communications Security directly for more information.
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