/**
* @description MD5加密
*/
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 str_md5(s) {
return binl2str(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 str_hmac_md5(key, data) {
return binl2str(core_hmac_md5(key, data)) }
function md5_vm_test() {
return hex_md5(
"abc") ==
"900150983cd24fb0d6963f7d28e17f72" }
function core_md5(x, len) { 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;
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, 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) }
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 core_hmac_md5(key, data) {
var bkey = str2binl(key);
if (bkey.length >
16) { bkey = core_md5(bkey, key.length * chrsz) }
var ipad = Array(
16), opad = Array(
16);
for (
var i =
0; i <
16; i++) { ipad[i] = bkey[i] ^
909522486; opad[i] = bkey[i] ^
1549556828 }
var hash = core_md5(ipad.concat(str2binl(data)),
512 + data.length * chrsz);
return core_md5(opad.concat(hash),
512 +
128) }
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 << chrsz) -
1;
for (
var i =
0; i < str.length * chrsz; i += chrsz) { bin[i >>
5] |= (str.charCodeAt(i / chrsz) & mask) << (i %
32) }
return bin }
function binl2str(bin) {
var str =
"";
var mask = (
1 << chrsz) -
1;
for (
var i =
0; i < bin.length *
32; i += chrsz) { str += String.fromCharCode((bin[i >>
5] >>> (i %
32)) & mask) }
return str }
function binl2hex(binarray) {
var hex_tab = hexcase ?
"0123456789ABCDEF" :
"0123456789abcdef";
var str =
"";
for (
var i =
0; i < binarray.length *
4; i++) { str += hex_tab.charAt((binarray[i >>
2] >> ((i %
4) *
8 +
4)) &
15) + hex_tab.charAt((binarray[i >>
2] >> ((i %
4) *
8)) &
15) }
return str }
function binl2b64(binarray) {
var tab =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str =
"";
for (
var i =
0; i < binarray.length *
4; i +=
3) {
var triplet = (((binarray[i >>
2] >>
8 * (i %
4)) &
255) <<
16) | (((binarray[i +
1 >>
2] >>
8 * ((i +
1) %
4)) &
255) <<
8) | ((binarray[i +
2 >>
2] >>
8 * ((i +
2) %
4)) &
255);
for (
var j =
0; j <
4; j++) {
if (i *
8 + j *
6 > binarray.length *
32) { str += b64pad }
else { str += tab.charAt((triplet >>
6 * (
3 - j)) &
63) } }
}
return str
};
module.exports = {
md5: hex_md5
}
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