Js实现网页上的MD5加密功能，将文字转换为MD5字符，本代码调用简单，你可以新建一个网页，将此网页上传到你的服务器上，用户浏览网页，就可实现MD5加密转换功能，用户可方便查询任一字符的MD5码，很不错的功能。
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>md5加密</title>
</head>
<body>
<input id=test value=密码区>
<input type=button value=md5 onClick="alert(hex_md5(test.value))">
<script>
var hexcase = 0;?
var b64pad? = "";
var chrsz?? = 8;
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function calcMD5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function md5_vm_test()
{
? return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}
function core_md5(x, len)
{
? x[len >> 5] |= 0x80 << ((len) % 32);
? x[(((len + 64) >>> 9) << 4) + 14] = len;
?
? var a =? 1732584193;
? var b = -271733879;
? var c = -1732584194;
? var d =? 271733878;
? for(var i = 0; i < x.length; i += 16)
? {
??? var olda = a;
??? var oldb = b;
??? var oldc = c;
??? var oldd = d;
??? a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
??? d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
??? c = md5_ff(c, d, a, b, x[i+ 2], 17,? 606105819);
??? b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
??? a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
??? d = md5_ff(d, a, b, c, x[i+ 5], 12,? 1200080426);
??? c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
??? b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
??? a = md5_ff(a, b, c, d, x[i+ 8], 7 ,? 1770035416);
??? d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
??? c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
??? b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
??? a = md5_ff(a, b, c, d, x[i+12], 7 ,? 1804603682);
??? d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
??? c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
??? b = md5_ff(b, c, d, a, x[i+15], 22,? 1236535329);
??? a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
??? d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
??? c = md5_gg(c, d, a, b, x[i+11], 14,? 643717713);
??? b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
??? a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
??? d = md5_gg(d, a, b, c, x[i+10], 9 ,? 38016083);
??? c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
??? b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
??? a = md5_gg(a, b, c, d, x[i+ 9], 5 ,? 568446438);
??? d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
??? c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
??? b = md5_gg(b, c, d, a, x[i+ 8], 20,? 1163531501);
??? a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
??? d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
??? c = md5_gg(c, d, a, b, x[i+ 7], 14,? 1735328473);
??? b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
??? a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
??? d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
??? c = md5_hh(c, d, a, b, x[i+11], 16,? 1839030562);
??? b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
??? a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
??? d = md5_hh(d, a, b, c, x[i+ 4], 11,? 1272893353);
??? c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
??? b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
??? a = md5_hh(a, b, c, d, x[i+13], 4 ,? 681279174);
??? d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
??? c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
??? b = md5_hh(b, c, d, a, x[i+ 6], 23,? 76029189);
??? a = md5_hh(a, b, c, d
