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In my GitHub settings, it lists my public keys as 16-byte hexadecimal:

01:23:45:67:89:AB:CD:EF:01:23:45:67:89:AB:CD:EF

Sadly, GitHub for Windows is buggy and keeps making me new github_rsa/github_rsa.pub files. I want to keep the one I have and remove the other two from my Account Settings, but how do I figure out that representation from the .pub file?

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With OpenSSH you would use the the ssh-keygen command like below to find the fingerprint for a public key.

ssh-keygen -l -f .ssh/id_rsa.pub
4096 79:53:3a:31:56:e4:61:d3:bc:44:ad:a4:ec:8f:6f:1b zoredache_id (RSA)
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