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gorsuch/ssh_fingerprint.rb

Created July 13, 2011 19:21
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Generate an SSH fingerprint from an SSH key
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ssh_fingerprint.rb
require 'base64'
require 'digest/md5'
key = "your public key here"
# first decode the key
key_decoded = Base64.decode64(key)
# create an md5
md5 = Digest::MD5.hexdigest(key_decoded)
# convert that hash into a readable fingerprint
puts md5.scan(/.{1,2}/).join(':')
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