Method: Net::SSH::Authentication::PubKeyFingerprint.fingerprint

Defined in:
lib/net/ssh/authentication/pub_key_fingerprint.rb

.fingerprint(blob, algorithm = 'MD5') ⇒ Object 



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# File 'lib/net/ssh/authentication/pub_key_fingerprint.rb', line 31

def self.fingerprint(blob, algorithm='MD5')
  case algorithm.to_s.upcase
  when 'MD5'
    OpenSSL::Digest.hexdigest(algorithm, blob).scan(/../).join(":")
  when 'SHA256'
    "SHA256:#{Base64.encode64(OpenSSL::Digest.digest(algorithm, blob)).chomp.gsub(/=+\z/, '')}"
  else
    raise OpenSSL::Digest::DigestError, "unsupported ssh key digest #{algorithm}"
  end
end