# File lib/gpgme/signature.rb, line 68
    def to_s
      case status_code
      when GPGME::GPG_ERR_NO_ERROR
        "Good signature from #{from}"
      when GPGME::GPG_ERR_SIG_EXPIRED
        "Expired signature from #{from}"
      when GPGME::GPG_ERR_KEY_EXPIRED
        "Signature made from expired key #{from}"
      when GPGME::GPG_ERR_CERT_REVOKED
        "Signature made from revoked key #{from}"
      when GPGME::GPG_ERR_BAD_SIGNATURE
        "Bad signature from #{from}"
      when GPGME::GPG_ERR_NO_PUBKEY
        "No public key for #{from}"
      end
    end