invalidOpenSSHBoundary error while trying to connect to a server with a private key about citadel HOT 3 OPEN

That's interesting! I'm on macOS 14.4.1 as well, and generating an RSA key here has the -----BEGIN OPENSSH PRIVATE KEY----- header.

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By the way, as far as I'm aware the -----BEGIN RSA PRIVATE KEY----- boundary is a PEM formatted rather than OpenSSH formatted key.

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Thanks for the reply. So Citadel doesn't support PEM files?

PEM files are quite common with vps providers. AWS for example: When creating a new vps/instance, they generate keys in PEM or PPK format, using either the RSA or ED25519 algorithms which the user then downloads and uses for their purposes.

Is there any plan to support PEM keys?

For context, I'm evaluating Citadel for an app I'm working on that allows users to connect through ssh to their servers and run commands there. They would provide either a password or a key file (that can be a PEM key pair, a locally generated rsa file, etc.).

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