49 lines
913 B
Ruby
49 lines
913 B
Ruby
module Gitlab
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class KeyFingerprint
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attr_reader :key, :ssh_key
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# Unqualified MD5 fingerprint for compatibility
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delegate :fingerprint, to: :ssh_key, allow_nil: true
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def initialize(key)
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@key = key
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@ssh_key =
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begin
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Net::SSH::KeyFactory.load_data_public_key(key)
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rescue Net::SSH::Exception, NotImplementedError
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end
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end
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def valid?
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ssh_key.present?
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end
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def type
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return unless valid?
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parts = ssh_key.ssh_type.split('-')
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parts.shift if parts[0] == 'ssh'
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parts[0].upcase
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end
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def bits
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return unless valid?
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case type
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when 'RSA'
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ssh_key.n.num_bits
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when 'DSS', 'DSA'
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ssh_key.p.num_bits
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when 'ECDSA'
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ssh_key.group.order.num_bits
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when 'ED25519'
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256
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else
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raise "Unsupported key type: #{type}"
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end
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end
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end
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end
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