//-----------
function md5(s) {
return binl2hex(core_md5(str2binl(s), s.length*strsize));
}
function core_md5(x, len) {
x[len >> 5] = (x[len >> 5]) | (128 << len%32);
x[(((len+64) >>> 9) << 4)+14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var i = 0;
while (i<x.length) {
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, x[i+9], 4, -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+0], 6, -198630844);
d = md5_ii(d, a, b, c, x[i+7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6, 1700485571);
d = md5_ii(d, a, b, c, x[i+3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+8], 6, 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+4], 6, -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
i = i+16;
}
return Array(a, b, c, d);
}
function md5_cmn(q, a, b, x, s, t) {
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
}
function md5_ff(a, b, c, d, x, s, t) {
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t) {
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t) {
return md5_cmn((b ^ c) ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t) {
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function safe_add(x, y) {
var lsw = (x & 65535)+(y & 65535);
var msw = ((x >> 16)+(y >> 16))+(lsw >> 16);
return (msw << 16) | (lsw & 65535);
}
function bit_rol(num, cnt) {
return (num << cnt) | (num >>> (32-cnt));
}
function str2binl(str) {
var bin = Array();
var mask = (1 << strsize)-1;
var i = 0;
while (i<(str.length*strsize)) {
bin[i >> 5] = (bin[i >> 5]) | ((str.charCodeAt(i
/strsize) & mask) << i%32);
i = i+strsize;
}
return bin;
}
function binl2hex(binarray) {
if (hexcase) {
} else {
}
var hex_tab = "0123456789abcdef";
var str = "";
var i = 0;
while (i<(binarray.length*4)) {
str = str+(hex_tab.charAt(((binarray[i >> 2]) >> ((i%4*8)+4)) & 15)+hex_tab.charAt(((binarray[i >> 2]) >> (i%4*8)) & 15));
i++;
}
return str;
}
var hexcase = 0;
var strsize = 8;
//--------以上不用修改，
b = md5("xx");
//xx可设为任意字符
s = b.toUpperCase();
//转变成大写
trace(b);
trace(s); |
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