SSH authentication using private key stored on YubiKeys : Royal Apps

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Michal Szymanski

started a topic almost 5 years ago

Hi,

Friend of mine recommended me the Royal TS software and we are evaluating it (i started with Mac OS version) at our company, but I cannot find a way to authenticate to remote SSH servers using OpenPGP private key (auth subkey) stored on the Yubikey. We are using it widely for logins into critical SSH servers by following methods listed on Yubico site (for both Win and MacOS):

https://developers.yubico.com/PGP/SSH_authentication/

Is there a way to enable sth similar ? I always get following error message which I have already seen in the terminal if the gpg-connect-agent is not running:

Load key "/Users/You/.ssh/id_rsa_yubikey.pub": invalid format

Best Answer

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Felix Deimel said almost 5 years ago

Hi Michal,

it depends on how you set up your Yubikey in macOS but it's very likely that enabling "Run inside Login Shell" in the "Advanced - Session" properties of your SSH connection will make it work.

Please try this first and let me know if it helps!

cheers,

felix

Felix Deimel

said almost 5 years ago

Answer

Hi Michal,

it depends on how you set up your Yubikey in macOS but it's very likely that enabling "Run inside Login Shell" in the "Advanced - Session" properties of your SSH connection will make it work.

Please try this first and let me know if it helps!

cheers,

felix

M

Michal Szymanski

said almost 5 years ago

Hi Felix,

This is cool! After I enabled 'Run inside login shell' it indeed asked me for my smartcard PIN and I was able to log into the box using the pkey from Yubikey. Thanks a lot! I hope it will work the same way under Windows.

BR,

Michal

Felix Deimel

said almost 5 years ago

Perfect! Glad I could help!

If you need help getting this running on Windows please let us know in a new ticket.

thx,

felix

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