Add back in ssh_key_matches?()

lib/msf/core/model/cred.rb

@@ -41,6 +41,13 @@ class Cred < ActiveRecord::Base
 		(self.ssh_private_keys | self.ssh_public_keys)
 	end
 	
+	def ssh_key_matches?(other_cred)
+		return false unless self.ptype == "ssh_key"
+		return false unless other_cred.ptype == self.ptype
+		matches = self.ssh_private_keys
+		matches.include?(self) and matches.include?(other_cred)
+	end
+
 end
 
 end