[lug] Windows/PuTTY and Linux SSH Key Pair Compatibility

D. Stimits stimits at comcast.net
Thu Jan 10 11:17:31 MST 2019

> On January 10, 2019 at 10:49 AM Drew Kelling <akelling at gmail.com> wrote:
>     I have been working with Microsoft's ssh client and scp client for a project(Migrating auth from FreeIPA to Active Directory auth) I am working on at work. I have not seen any issues with it in my testing and integration with PowerShell
>     https://github.com/PowerShell/Win32-OpenSSH/releases
>     Might be something for you to consider using instead of using Putty

I actually ended up with BitVise. They want you to buy an ssh server, but their client is free and much simpler for people who don't live in the command line world. I've not seen the MS version, so I couldn't say anything about how well it works. I do know though that the server he is connecting to is Linux and has no Active Directory or other odd authentications.

For the actual solution to the key problem, I just used the method mentioned by David Leonard to convert an existing PuTTY key to the ssh format using "ssh-keygen":

ssh-keygen -i the_putty_pub_key > new_id.pub

...after adding this to the Linux server it works by importing his PuTTY key into BitVise. So now both his PuTTY and BitVise works, but he'll only be using BitVise for file copies.

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