How to check if one's SSH keys are still compatible?

if any of your SSH key files are bigger than 500 bytes, you should rotate them

SkiFire13 an hour ago | parent | next [-]

Bigger or smaller?

EC keys should be much smaller... this is only valid for id_rsa SSH keys

	▲	anamexis 10 minutes ago \| parent [-]
		That’s the point.