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I am searching for a way to extract the public key from the authentication agent. I want to be able to write the public key out into a file, after i added the key to the ssh-agent (ssh-add ~/.ssh/id_rsa).

ssh-add -l displays the fingerprint for me, but is there a way to get the complete public key?

Thank you for your suggestions

  • I'm voting to move this question to Unix & Linux since it's more about how unix works than about systems administration. In other words, the close vote currently on your question is not about actually closing but about moving. – Jenny D Aug 8 '16 at 9:38
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man ssh-add will show you all the options available. One of them is ssh-add -L. As the man page says,

 -L      Lists public key parameters of all identities currently repre-
         sented by the agent.

In other words, it will print out the public key.

  • 1
    Thank you, this man page line was misleading, due to the word "parameters". – scones Aug 8 '16 at 9:41

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