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CHAPTER 16: ADVANCED CONFIGURATION
control_room
control_room.pub
plant_entrance
plant_entrance.pub
$ cat ~/keys/control_room.pub ~/keys/plant_entrance.pub > ~/keys/authorized_keys_bridge_server
More OpenSSH documentation can be found at https://openssh.com/manual.html and http://man.openbsd.org/OpenBSD-current/
man1/ssh.1.
16.6.5 GENERATING PUBLIC AND PRIVATE KEYS FOR SSH (WINDOWS)
This section describes how to generate and configure SSH keys using Windows.
The OpenSSH project does not produce a Windows binary. The OpenSSH project’s development is entirely focussed on producing ‘a
very small, secure, and easy to maintain version for the OpenBSD project’.
The versions of OpenSSH that ship on other Unix- and Unix-like operating systems are managed and produced by the OpenSSH
Portability Team.
As of 2016-10, and despite Microsoft announcing ‘the PowerShell team will support and contribute to the OpenSSH community… to
deliver the PowerShell and Windows SSH solution’, there is no Windows version of the current OpenSSH release.
Consequently, Simon Tatham’s long-standing SSH client for Windows, PuTTY, which includes the key generator, PuTTYgen.exe, is
used in the following procedure.
Before beginning, make sure you have the most recent PuTTYgen release installed. PuTTYgen is available for download from http://
www.chiark.greenend.org.uk/~sgtatham/putty/download.html.
This procedure also requires the current version of WinSCP — a Windows-equivalent to the scp utliltiy — be installed. WinSCP is
available for download from https://winscp.net/.
Create a new user from the Black Box Management Console.
The following example uses a user called testuser. This user must be a member of the users group.
If you do not already have a public/private key pair generate them now using PuTTYgen.
Launch PuTTYgen.exe.
Select the desired key type — SSH2 DSA — in the Parameters section.
You may use RSA or DSA.
Leave the passphrase field blank.
Click Generate.
As instructed, move the mouse pointer over the blank area of the program in order to create random data used by PUTTYGEN to
generate secure keys.
Key generation occurs once PUTTYGEN has collected sufficient random data.
Copy the public key data from the Public key for pasting into OpenSSH authorized_keys file section of the PuTTY Key Generator
window.
Launch Notepad (not Microsoft Word or any other word processor).
Paste the key data into the Notepad window.
Make sure there is only one line of text in this file.
Save the Notepad file as authorized_keys.
Launch WinSCP.
