nothing
天外飞仙.....
CJSDN高级会员
发贴: 1636
积分: 131
|
于 2003-07-11 00:01
// 程序名为MMM.java package md5; import java.security.*;
public class MMM { public String calcMD5(String str) { try{ MessageDigest alga=MessageDigest.getInstance("MD5"); alga.update(str.getBytes()); byte[] digesta=alga.digest(); return byte2hex(digesta); }catch (Exception e){ return null; } } public String byte2hex(byte[] b) { //二行制转字符串 String hs=""; String stmp=""; for (int n=0;n<b.length;n++) { stmp=(Integer.toHexString(b[n] & 0XFF)); if (stmp.length()==1) { hs=hs+"0"+stmp; }else { hs=hs+stmp; } if (n<b.length-1) { hs=hs+""; } } // return hs.toUpperCase(); return hs; } }
nothing edited on 2003-07-11 02:33
躲得过的怪物,躲不过的刺激
|