# File lib/net/ssh/transport/openssl.rb, line 193
193:         def ssh_do_verify(sig, data)
194:           digest = digester.digest(data)
195:           a1sig = nil
196: 
197:           begin
198:             sig_r_len = sig[0,4].unpack("H*")[0].to_i(16)
199:             sig_l_len = sig[4+sig_r_len,4].unpack("H*")[0].to_i(16)
200: 
201:             sig_r = sig[4,sig_r_len].unpack("H*")[0]
202:             sig_s = sig[4+sig_r_len+4,sig_l_len].unpack("H*")[0]
203: 
204:             a1sig = OpenSSL::ASN1::Sequence([
205:               OpenSSL::ASN1::Integer(sig_r.to_i(16)),
206:               OpenSSL::ASN1::Integer(sig_s.to_i(16)),
207:             ])
208:           rescue
209:           end
210: 
211:           if a1sig == nil
212:             return false
213:           else
214:             dsa_verify_asn1(digest, a1sig.to_der)
215:           end
216:         end