有没有搞过des 加密算法 比如说,我想用des实现 ,非常复杂的密码实现,最好是 可以输出指定的位数 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 不太懂这个CipherInputStream和CipherOutputSteam不知道能不能满足你的需求. System.out.println( "Cur minutes:" + System.currentTimeMillis() ); Des des = new Des(); //直接加密 byte ttt[] = des.encrypt( "111111".getBytes(), "12345678".getBytes() ); System.out.println( "Encrype[12345678] with [111111]:" ); System.out.print( StringConvertor.ByteToHexString( ttt )) ; //密码加密 String key = "111111"; String src = "Test Src for DES encrypt abcdefg"; System.out.println( "Now encrypt the src:\n" + src ); byte encryptBuf[] = des.encrypt( key, src.getBytes() ); byte decryptBuf[] = des.decrypt( key, encryptBuf ); System.out.println( "Decrypt String:\n" + new String( decryptBuf ) ); //base64对sha1的密文进行加密解密(base64只能对密文进行加密解密操作) SHA1 sha = new SHA1(); String password = "123456"; sha.update( password.getBytes(), 6L ); byte digest[] = sha.end(); byte base64Digest[] = Base64.encode( digest ); System.out.println( "Base64 Digest:\n" + new String( base64Digest ) ); sha.init(); sha.update( password.getBytes(), 6L ); byte newDigest[] = sha.end(); byte oldDigest[] = Base64.decode( base64Digest ); if ( newDigest.length != oldDigest.length ) System.out.println( "Compare the digest failed!" ); for ( int i = 0; i < newDigest.length; i++ ) if ( newDigest[i] != oldDigest[i] ) System.out.println( "Compare the digest failed!" ); //base64解密和des的解密 String src1 = "fk73gxkxkxw="; byte encValue[] = Base64.decode( src1.getBytes() ); byte decValue[] = des.decrypt( "123456", encValue ); System.out.println( "Dec Value: " + new String( decValue ) ); String src2="12345678"; byte desValue[] =des.encrypt( "123456", src2.getBytes() ); byte baseValue[] =Base64.encode( desValue ); System.out.println(new String(baseValue)); System.out.println( "Cur minutes:" + System.currentTimeMillis() ); 请教一下各种 layout 的意义和区别 游戏代理一些疑问 这IF...THEN是怎么回事?java 编码问题 [原创]Java泛型的性能问题 一个初级的问题 接口的转换是什么意思? 大家谈谈人气最旺的英文技术论坛有那些? 关于AWT的空指针异常问题 java程序调用python的exe 请大家推荐几个JAVA的编译器好吗,想在家里装一个学习,不知道在哪里下载。。谢谢~!坐等 itext pdf打印的问题
System.out.println( "Cur minutes:" + System.currentTimeMillis() );
Des des = new Des();
//直接加密
byte ttt[] = des.encrypt( "111111".getBytes(), "12345678".getBytes() );
System.out.println( "Encrype[12345678] with [111111]:" );
System.out.print( StringConvertor.ByteToHexString( ttt )) ;
//密码加密
String key = "111111";
String src = "Test Src for DES encrypt abcdefg";
System.out.println( "Now encrypt the src:\n" + src );
byte encryptBuf[] = des.encrypt( key, src.getBytes() );
byte decryptBuf[] = des.decrypt( key, encryptBuf );
System.out.println( "Decrypt String:\n" + new String( decryptBuf ) );
//base64对sha1的密文进行加密解密(base64只能对密文进行加密解密操作)
SHA1 sha = new SHA1();
String password = "123456";
sha.update( password.getBytes(), 6L );
byte digest[] = sha.end();
byte base64Digest[] = Base64.encode( digest );
System.out.println( "Base64 Digest:\n" + new String( base64Digest ) );
sha.init();
sha.update( password.getBytes(), 6L );
byte newDigest[] = sha.end();
byte oldDigest[] = Base64.decode( base64Digest );
if ( newDigest.length != oldDigest.length )
System.out.println( "Compare the digest failed!" );
for ( int i = 0; i < newDigest.length; i++ )
if ( newDigest[i] != oldDigest[i] )
System.out.println( "Compare the digest failed!" );
//base64解密和des的解密
String src1 = "fk73gxkxkxw=";
byte encValue[] = Base64.decode( src1.getBytes() );
byte decValue[] = des.decrypt( "123456", encValue );
System.out.println( "Dec Value: " + new String( decValue ) );
String src2="12345678";
byte desValue[] =des.encrypt( "123456", src2.getBytes() );
byte baseValue[] =Base64.encode( desValue );
System.out.println(new String(baseValue));
System.out.println( "Cur minutes:" + System.currentTimeMillis() );