# File lib/net/ntlm.rb, line 215 def lmv2_response(arg, opt = {}) key = arg[:ntlmv2_hash] chal = arg[:challenge] chal = NTLM::pack_int64le(chal) if chal.is_a?(Integer) if opt[:client_challenge] cc = opt[:client_challenge] else cc = rand(MAX64) end cc = NTLM::pack_int64le(cc) if cc.is_a?(Integer) OpenSSL::HMAC.digest(OpenSSL::Digest::MD5.new, key, chal + cc) + cc end