文件名称：MD5的算法和使用
文件大小：2KB
文件格式：TXT
更新时间：2015-11-13 10:15:08
MD5
javaMD5
java实现MD5算法
关键词： java MD5
import java.security.*;
import java.util.*;
/**
*
*/
public class MD5
{
private String inStr;
private MessageDigest md5;
/**
* Constructs the MD5 object and sets the string whose MD5 is to be computed.
*
* @param inStr the String whose MD5 is to be computed
*/
public MD5(String inStr)
{
this.inStr = inStr;
try
{
this.md5 = MessageDigest.getInstance("MD5");
}
catch (Exception e)
{
System.out.println(e.toString());
e.printStackTrace();
}
}
/**
* Computes the MD5 fingerprint of a string.
*
* @return the MD5 digest of the input String
*/
public String compute()
{
// convert input String to a char[]
// convert that char[] to byte[]
// get the md5 digest as byte[]
// bit-wise AND that byte[] with 0xff