# File lib/net/ssh/transport/openssl.rb, line 97
      def ssh_do_verify(sig, data)
        sig_r = sig[0,20].unpack("H*")[0].to_i(16)
        sig_s = sig[20,20].unpack("H*")[0].to_i(16)
        a1sig = OpenSSL::ASN1::Sequence([
           OpenSSL::ASN1::Integer(sig_r),
           OpenSSL::ASN1::Integer(sig_s)
        ])
        return verify(OpenSSL::Digest::DSS1.new, a1sig.to_der, data)
      end