exchange_keys (Net::SSH::Test::Kex)

        # File lib/net/ssh/test/kex.rb, line 27
    27:     def exchange_keys
    28:       result = Net::SSH::Buffer.from(:byte, NEWKEYS)
    29:       @connection.send_message(result)
    30:
    31:       buffer = @connection.next_message
    32:       raise Net::SSH::Exception, "expected NEWKEYS" unless buffer.type == NEWKEYS
    33:
    34:       { :session_id        => "abc-xyz",
    35:         :server_key        => OpenSSL::PKey::RSA.new(32),
    36:         :shared_secret     => OpenSSL::BN.new("1234567890", 10),
    37:         :hashing_algorithm => OpenSSL::Digest::SHA1 }
    38:     end