java安全性编程实例电子版书附源码,是网络安全编程者不可多得的好书

				/*
				
				C:\java\ch6\Cstore>java DefineSelector my0.cer 2003 1 1
				not Matched
				
				C:\java\ch6\Cstore>java DefineSelector mytest.cer 2003 1 1
				Matched
				
				C:\java\ch6\Cstore>java DefineSelector mytest.cer 2013 1 1
				Matched
				
				C:\java\ch6\Cstore>java DefineSelector mytest.cer 2113 1 1
				not Matched
				
				
				*/
				
				import java.util.*;
				import java.io.*;
				import java.math.*;
				import java.security.*;
				import java.security.cert.*;
				import java.security.cert.Certificate;
				public class DefineSelector{
				   public static void main(String args[ ]) throws Exception{
				      X509CertSelector selec=new X509CertSelector();
				      //从命令行读取证书
				      CertificateFactory cf = CertificateFactory.getInstance("X.509");
				      FileInputStream in=new FileInputStream(args[0]);
				     	Certificate c=cf.generateCertificate(in);
				      //检验是否满足规则
				      if(selec.match(c)){
				System.out.println("Matched 1");
				      } else{
				System.out.println("not Matched 1");
				      }
				      //增加一个规则
				      selec.setIssuer("CN=Xu Yingxiao,OU=Network Center,"+
				                   "O=Shanghai University,L=ZB,ST=Shanghai,C=CN");
				      //检验是否满足规则
				      if(selec.match(c)){
				System.out.println("Matched 2");
				      } else{
					System.out.println("not Matched 2");
				      }
				      //读取日期值
				       Calendar cld=Calendar.getInstance();
				       int year=Integer.parseInt(args[1]);
				        int month=Integer.parseInt(args[2])-1;  // as 0 is Jan, 11 
				        int day=Integer.parseInt(args[3]);
				        cld.set(year,month,day);
				        Date d=cld.getTime();
				        //增加一个规则
				      selec.setCertificateValid(d);
				//检验是否满足规则
				    if(selec.match(c)){
					System.out.println("Matched 3");
				      } else{
					System.out.println("not Matched 3");
				        }
				    //增加一个规则
				        BigInteger sn=new BigInteger("1039056963");
				        selec.setSerialNumber(sn);
				//检验是否满足规则
				       if(selec.match(c)){
					System.out.println("Matched 4");
				      } else{
					System.out.println("not Matched 4");
				      }
				  }
				}