# File lib/net/ssh/transport/openssl.rb, line 193 def ssh_do_verify(sig, data) digest = digester.digest(data) a1sig = nil begin sig_r_len = sig[0,4].unpack("H*")[0].to_i(16) sig_l_len = sig[4+sig_r_len,4].unpack("H*")[0].to_i(16) sig_r = sig[4,sig_r_len].unpack("H*")[0] sig_s = sig[4+sig_r_len+4,sig_l_len].unpack("H*")[0] a1sig = OpenSSL::ASN1::Sequence([ OpenSSL::ASN1::Integer(sig_r.to_i(16)), OpenSSL::ASN1::Integer(sig_s.to_i(16)), ]) rescue end if a1sig == nil return false else dsa_verify_asn1(digest, a1sig.to_der) end end