amos-tool/lib/encrypt/_md5.js

amos ui tool

"use strict";

function safeAdd(r, d) {
  var n = (65535 & r) + (65535 & d);
  return (r >> 16) + (d >> 16) + (n >> 16) << 16 | 65535 & n;
}

function bitRotateLeft(r, d) {
  return r << d | r >>> 32 - d;
}

function md5cmn(r, d, n, t, m, f) {
  return safeAdd(bitRotateLeft(safeAdd(safeAdd(d, r), safeAdd(t, f)), m), n);
}

function md5ff(r, d, n, t, m, f, i) {
  return md5cmn(d & n | ~d & t, r, d, m, f, i);
}

function md5gg(r, d, n, t, m, f, i) {
  return md5cmn(d & t | n & ~t, r, d, m, f, i);
}

function md5hh(r, d, n, t, m, f, i) {
  return md5cmn(d ^ n ^ t, r, d, m, f, i);
}

function md5ii(r, d, n, t, m, f, i) {
  return md5cmn(n ^ (d | ~t), r, d, m, f, i);
}

function binlMD5(r, d) {
  var n, t, m, f, i;
  r[d >> 5] |= 128 << d % 32, r[14 + (d + 64 >>> 9 << 4)] = d;
  var e = 1732584193, h = -271733879, g = -1732584194, u = 271733878;
  for (n = 0; n < r.length; n += 16) t = e, m = h, f = g, i = u, e = md5ff(e, h, g, u, r[n], 7, -680876936), 
  u = md5ff(u, e, h, g, r[n + 1], 12, -389564586), g = md5ff(g, u, e, h, r[n + 2], 17, 606105819), 
  h = md5ff(h, g, u, e, r[n + 3], 22, -1044525330), e = md5ff(e, h, g, u, r[n + 4], 7, -176418897), 
  u = md5ff(u, e, h, g, r[n + 5], 12, 1200080426), g = md5ff(g, u, e, h, r[n + 6], 17, -1473231341), 
  h = md5ff(h, g, u, e, r[n + 7], 22, -45705983), e = md5ff(e, h, g, u, r[n + 8], 7, 1770035416), 
  u = md5ff(u, e, h, g, r[n + 9], 12, -1958414417), g = md5ff(g, u, e, h, r[n + 10], 17, -42063), 
  h = md5ff(h, g, u, e, r[n + 11], 22, -1990404162), e = md5ff(e, h, g, u, r[n + 12], 7, 1804603682), 
  u = md5ff(u, e, h, g, r[n + 13], 12, -40341101), g = md5ff(g, u, e, h, r[n + 14], 17, -1502002290), 
  e = md5gg(e, h = md5ff(h, g, u, e, r[n + 15], 22, 1236535329), g, u, r[n + 1], 5, -165796510), 
  u = md5gg(u, e, h, g, r[n + 6], 9, -1069501632), g = md5gg(g, u, e, h, r[n + 11], 14, 643717713), 
  h = md5gg(h, g, u, e, r[n], 20, -373897302), e = md5gg(e, h, g, u, r[n + 5], 5, -701558691), 
  u = md5gg(u, e, h, g, r[n + 10], 9, 38016083), g = md5gg(g, u, e, h, r[n + 15], 14, -660478335), 
  h = md5gg(h, g, u, e, r[n + 4], 20, -405537848), e = md5gg(e, h, g, u, r[n + 9], 5, 568446438), 
  u = md5gg(u, e, h, g, r[n + 14], 9, -1019803690), g = md5gg(g, u, e, h, r[n + 3], 14, -187363961), 
  h = md5gg(h, g, u, e, r[n + 8], 20, 1163531501), e = md5gg(e, h, g, u, r[n + 13], 5, -1444681467), 
  u = md5gg(u, e, h, g, r[n + 2], 9, -51403784), g = md5gg(g, u, e, h, r[n + 7], 14, 1735328473), 
  e = md5hh(e, h = md5gg(h, g, u, e, r[n + 12], 20, -1926607734), g, u, r[n + 5], 4, -378558), 
  u = md5hh(u, e, h, g, r[n + 8], 11, -2022574463), g = md5hh(g, u, e, h, r[n + 11], 16, 1839030562), 
  h = md5hh(h, g, u, e, r[n + 14], 23, -35309556), e = md5hh(e, h, g, u, r[n + 1], 4, -1530992060), 
  u = md5hh(u, e, h, g, r[n + 4], 11, 1272893353), g = md5hh(g, u, e, h, r[n + 7], 16, -155497632), 
  h = md5hh(h, g, u, e, r[n + 10], 23, -1094730640), e = md5hh(e, h, g, u, r[n + 13], 4, 681279174), 
  u = md5hh(u, e, h, g, r[n], 11, -358537222), g = md5hh(g, u, e, h, r[n + 3], 16, -722521979), 
  h = md5hh(h, g, u, e, r[n + 6], 23, 76029189), e = md5hh(e, h, g, u, r[n + 9], 4, -640364487), 
  u = md5hh(u, e, h, g, r[n + 12], 11, -421815835), g = md5hh(g, u, e, h, r[n + 15], 16, 530742520), 
  e = md5ii(e, h = md5hh(h, g, u, e, r[n + 2], 23, -995338651), g, u, r[n], 6, -198630844), 
  u = md5ii(u, e, h, g, r[n + 7], 10, 1126891415), g = md5ii(g, u, e, h, r[n + 14], 15, -1416354905), 
  h = md5ii(h, g, u, e, r[n + 5], 21, -57434055), e = md5ii(e, h, g, u, r[n + 12], 6, 1700485571), 
  u = md5ii(u, e, h, g, r[n + 3], 10, -1894986606), g = md5ii(g, u, e, h, r[n + 10], 15, -1051523), 
  h = md5ii(h, g, u, e, r[n + 1], 21, -2054922799), e = md5ii(e, h, g, u, r[n + 8], 6, 1873313359), 
  u = md5ii(u, e, h, g, r[n + 15], 10, -30611744), g = md5ii(g, u, e, h, r[n + 6], 15, -1560198380), 
  h = md5ii(h, g, u, e, r[n + 13], 21, 1309151649), e = md5ii(e, h, g, u, r[n + 4], 6, -145523070), 
  u = md5ii(u, e, h, g, r[n + 11], 10, -1120210379), g = md5ii(g, u, e, h, r[n + 2], 15, 718787259), 
  h = md5ii(h, g, u, e, r[n + 9], 21, -343485551), e = safeAdd(e, t), h = safeAdd(h, m), 
  g = safeAdd(g, f), u = safeAdd(u, i);
  return [ e, h, g, u ];
}

function binl2rstr(r) {
  var d, n = "", t = 32 * r.length;
  for (d = 0; d < t; d += 8) n += String.fromCharCode(r[d >> 5] >>> d % 32 & 255);
  return n;
}

function rstr2binl(r) {
  var d, n = [];
  for (n[(r.length >> 2) - 1] = void 0, d = 0; d < n.length; d += 1) n[d] = 0;
  var t = 8 * r.length;
  for (d = 0; d < t; d += 8) n[d >> 5] |= (255 & r.charCodeAt(d / 8)) << d % 32;
  return n;
}

function rstrMD5(r) {
  return binl2rstr(binlMD5(rstr2binl(r), 8 * r.length));
}

function rstrHMACMD5(r, d) {
  var n, t, m = rstr2binl(r), f = [], i = [];
  for (f[15] = i[15] = void 0, m.length > 16 && (m = binlMD5(m, 8 * r.length)), n = 0; n < 16; n += 1) f[n] = 909522486 ^ m[n], 
  i[n] = 1549556828 ^ m[n];
  return t = binlMD5(f.concat(rstr2binl(d)), 512 + 8 * d.length), binl2rstr(binlMD5(i.concat(t), 640));
}

function rstr2hex(r) {
  var d, n, t = "0123456789abcdef", m = "";
  for (n = 0; n < r.length; n += 1) d = r.charCodeAt(n), m += t.charAt(d >>> 4 & 15) + t.charAt(15 & d);
  return m;
}

function str2rstrUTF8(r) {
  return unescape(encodeURIComponent(r));
}

function rawMD5(r) {
  return rstrMD5(str2rstrUTF8(r));
}

function hexMD5(r) {
  return rstr2hex(rawMD5(r));
}

function rawHMACMD5(r, d) {
  return rstrHMACMD5(str2rstrUTF8(r), str2rstrUTF8(d));
}

function hexHMACMD5(r, d) {
  return rstr2hex(rawHMACMD5(r, d));
}

module.exports = function(r, d, n) {
  return d ? n ? rawHMACMD5(d, r) : hexHMACMD5(d, r) : n ? rawMD5(r) : hexMD5(r);
};