def verifyChecksum(  order_Id,  amount,  authDesc,  checksum) 
			String str = @merchant_Id+"|"+order_Id+"|"+amount+"|"+authDesc+"|"+@working_Key
			String newChecksum = Zlib::adler32(str).to_s
			return (newChecksum.eql?(checksum)) ? true : false
		end
def verifyChecksum(  order_Id,  amount,  authDesc,  checksum) 
			String str = @merchant_Id+"|"+order_Id+"|"+amount+"|"+authDesc+"|"+@working_Key
			String newChecksum = Zlib::adler32(str).to_s
			return (newChecksum.eql?(checksum)) ? true : false
		end
verify checksum response