?? md5encrypt.java
字號:
// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi
// Source File Name: Md5Encrypt.java
package com.keyshop.shop.order.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class Md5Encrypt
{
public Md5Encrypt()
{
}
public static String md5(String text)
{
MessageDigest msgDigest = null;
try
{
msgDigest = MessageDigest.getInstance("MD5");
}
catch(NoSuchAlgorithmException e)
{
throw new IllegalStateException("System doesn't support MD5 algorithm.");
}
msgDigest.update(text.getBytes());
byte bytes[] = msgDigest.digest();
String md5Str = new String();
for(int i = 0; i < bytes.length; i++)
{
byte tb = bytes[i];
char tmpChar = (char)(tb >>> 4 & 0xf);
char high;
if(tmpChar >= '\n')
high = (char)((97 + tmpChar) - 10);
else
high = (char)(48 + tmpChar);
md5Str = md5Str + high;
tmpChar = (char)(tb & 0xf);
char low;
if(tmpChar >= '\n')
low = (char)((97 + tmpChar) - 10);
else
low = (char)(48 + tmpChar);
md5Str = md5Str + low;
}
return md5Str;
}
}
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