Monkey Patch for JRuby EzCrypto to be compatible with MRI EzCrypto

ezcrypto.rb

EzCrypto::CipherWrapper.class_eval do                             
                                                                  
    def initialize(key,target,mode,algorithm)                     
      @cipher = OpenSSL::Cipher::Cipher.new(algorithm)            
      if mode                                                     
        @cipher.encrypt                                           
      else                                                        
        @cipher.decrypt                                           
      end                                                         
      @cipher.key=key.raw                                         
      # ==== fix start ====                   
      #                                                           
      # JRuby and MRI use different                               
      # default IVs for AES CBC and unfortunately ezcrypto doesn't
      # expplicitly set one                                       
      @cipher.iv="\0"*16                                          
      # ==== fix end ====                    
      @cipher.padding=1                                           
      @target=target                                              
      @finished=false                                             
    end                                                           
                                                                  
end