# -*- coding: utf-8 -*-
        
      
        

          
          
          =begin rdoc
        
      
        

          
          
          Please see README
        
      
        

          
          
          =end
        
      
        

          
          
          
        
      
        

          1
          
          require 'digest/sha2'
        
      
        

          
          
          
        
      
        

          1
          
          class PasswordHash < String
        
      
        

          
          
          
        
      
        

          1
          
           def initialize(text,salt)
        
      
        

          
          
            text or raise "text:#{text}"
        
      
        

          
          
            salt or raise "salt:#{salt}"
        
      
        

          
          
            super(Digest::SHA256.hexdigest(text+salt))
        
      
        

          
          
           end
        
      
        

          
          
          
        
      
        

          1
          
           def valid?(text,salt)
        
      
        

          
          
            self == Digest::SHA256.hexdigest(text+salt)
        
      
        

          
          
           end
        
      
        

          
          
          
        
      
        

          
          
          end