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While trying to create a Linux VM in Azure, I added my ssh-ed25519 when suddenly:
Multiline SSH key must begin with '---- BEGIN SSH2 PUBLIC KEY ----' and end with '--- END SSH2 PUBLIC KEY ----'.
How do I covert my key into a compatible format?
Edit: It appears that the Azure portal doesn't recognize ssh-ed25519 keys, I've contacted support. In the meantime, use a backup ssh-rsa, and you can plug it in without converting it into SSH2
929
To convert a SSH client key to an OpenSSH format: Install the OpenSSH tool set, available under a BSD-style license: http://www.openssh.com/ The ssh-keygen utility is used to covert SSH keys between the different formats required by MessageWay or any other secure file transfer application.
SSH provides strong host-to-host and user authentication as well as secure encrypted communications over an insecure internet. SSH2 is a more secure, efficient, and portable version of SSH that includes SFTP, which is functionally similar to FTP, but is SSH2 encrypted.
You can convert an OpenSSH public key to SSH2 format using ssh-keygen, for example:
ssh-keygen -e -f ~/.ssh/id_ed25519.pub
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