MD5.js

'use strict';
const MD5 = (str) => {
  const currentNick = M(V(Y(X(str), 8 * str.length)));
  return currentNick.toLowerCase();
};
/**
 * @param {string} b
 * @return {?}
 */
function M(b) {
  var a;
  /** @type {string} */
  var s = "0123456789ABCDEF";
  /** @type {string} */
  var lineString = "";
  /** @type {number} */
  var i = 0;
  for (; i < b.length; i++) {
    a = b.charCodeAt(i);
    /** @type {string} */
    lineString = lineString + (s.charAt(a >>> 4 & 15) + s.charAt(15 & a));
  }
  return lineString;
}
/**
 * @param {string} d
 * @return {?}
 */
function X(d) {
  /** @type {!Array} */
  var a = Array(d.length >> 2);
  /** @type {number} */
  var i = 0;
  for (; i < a.length; i++) {
    /** @type {number} */
    a[i] = 0;
  }
  /** @type {number} */
  i = 0;
  for (; i < 8 * d.length; i = i + 8) {
    a[i >> 5] |= (255 & d.charCodeAt(i / 8)) << i % 32;
  }
  return a;
}
/**
 * @param {!Object} bin
 * @return {?}
 */
function V(bin) {
  /** @type {string} */
  var c = "";
  /** @type {number} */
  var i = 0;
  for (; i < 32 * bin.length; i = i + 8) {
    /** @type {string} */
    c = c + String.fromCharCode(bin[i >> 5] >>> i % 32 & 255);
  }
  return c;
}
/**
 * @param {!Object} x
 * @param {number} len
 * @return {?}
 */
function Y(x, len) {
  x[len >> 5] |= 128 << len % 32;
  /** @type {number} */
  x[14 + (len + 64 >>> 9 << 4)] = len;
  /** @type {number} */
  var a = 1732584193;
  /** @type {number} */
  var b = -271733879;
  /** @type {number} */
  var c = -1732584194;
  /** @type {number} */
  var d = 271733878;
  /** @type {number} */
  var i = 0;
  for (; i < x.length; i = i + 16) {
    const olda = a;
    const oldb = b;
    const oldc = c;
    const oldd = d;
    b = md5_ii(b = md5_ii(b = md5_ii(b = md5_ii(b = md5_hh(b = md5_hh(b = md5_hh(b = md5_hh(b = md5_gg(b = md5_gg(b = md5_gg(b = md5_gg(b = md5_ff(b = md5_ff(b = md5_ff(b = md5_ff(b, c = md5_ff(c, d = md5_ff(d, a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936), b, c, x[i + 1], 12, -389564586), a, b, x[i + 2], 17, 606105819), d, a, x[i + 3], 22, -1044525330), c = md5_ff(c, d = md5_ff(d, a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897), b, c, x[i + 5], 12, 1200080426), a, b, x[i + 6], 17, -1473231341), 
    d, a, x[i + 7], 22, -45705983), c = md5_ff(c, d = md5_ff(d, a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416), b, c, x[i + 9], 12, -1958414417), a, b, x[i + 10], 17, -42063), d, a, x[i + 11], 22, -1990404162), c = md5_ff(c, d = md5_ff(d, a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682), b, c, x[i + 13], 12, -40341101), a, b, x[i + 14], 17, -1502002290), d, a, x[i + 15], 22, 1236535329), c = md5_gg(c, d = md5_gg(d, a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510), b, c, x[i + 6], 9, -1069501632), 
    a, b, x[i + 11], 14, 643717713), d, a, x[i + 0], 20, -373897302), c = md5_gg(c, d = md5_gg(d, a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691), b, c, x[i + 10], 9, 38016083), a, b, x[i + 15], 14, -660478335), d, a, x[i + 4], 20, -405537848), c = md5_gg(c, d = md5_gg(d, a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438), b, c, x[i + 14], 9, -1019803690), a, b, x[i + 3], 14, -187363961), d, a, x[i + 8], 20, 1163531501), c = md5_gg(c, d = md5_gg(d, a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467), b, 
    c, x[i + 2], 9, -51403784), a, b, x[i + 7], 14, 1735328473), d, a, x[i + 12], 20, -1926607734), c = md5_hh(c, d = md5_hh(d, a = md5_hh(a, b, c, d, x[i + 5], 4, -378558), b, c, x[i + 8], 11, -2022574463), a, b, x[i + 11], 16, 1839030562), d, a, x[i + 14], 23, -35309556), c = md5_hh(c, d = md5_hh(d, a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060), b, c, x[i + 4], 11, 1272893353), a, b, x[i + 7], 16, -155497632), d, a, x[i + 10], 23, -1094730640), c = md5_hh(c, d = md5_hh(d, a = md5_hh(a, b, c, 
    d, x[i + 13], 4, 681279174), b, c, x[i + 0], 11, -358537222), a, b, x[i + 3], 16, -722521979), d, a, x[i + 6], 23, 76029189), c = md5_hh(c, d = md5_hh(d, a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487), b, c, x[i + 12], 11, -421815835), a, b, x[i + 15], 16, 530742520), d, a, x[i + 2], 23, -995338651), c = md5_ii(c, d = md5_ii(d, a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844), b, c, x[i + 7], 10, 1126891415), a, b, x[i + 14], 15, -1416354905), d, a, x[i + 5], 21, -57434055), c = md5_ii(c, d = 
    md5_ii(d, a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571), b, c, x[i + 3], 10, -1894986606), a, b, x[i + 10], 15, -1051523), d, a, x[i + 1], 21, -2054922799), c = md5_ii(c, d = md5_ii(d, a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359), b, c, x[i + 15], 10, -30611744), a, b, x[i + 6], 15, -1560198380), d, a, x[i + 13], 21, 1309151649), c = md5_ii(c, d = md5_ii(d, a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070), b, c, x[i + 11], 10, -1120210379), a, b, x[i + 2], 15, 718787259), 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);
}
/**
 * @param {number} q
 * @param {number} a
 * @param {number} b
 * @param {number} x
 * @param {number} s
 * @param {number} t
 * @return {?}
 */
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);
}
/**
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @param {number} d
 * @param {undefined} x
 * @param {number} s
 * @param {number} t
 * @return {?}
 */
function md5_ff(a, b, c, d, x, s, t) {
  return md5_cmn(b & c | ~b & d, a, b, x, s, t);
}
/**
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @param {number} d
 * @param {undefined} x
 * @param {number} s
 * @param {number} t
 * @return {?}
 */
function md5_gg(a, b, c, d, x, s, t) {
  return md5_cmn(b & d | c & ~d, a, b, x, s, t);
}
/**
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @param {number} d
 * @param {undefined} x
 * @param {number} s
 * @param {number} t
 * @return {?}
 */
function md5_hh(a, b, c, d, x, s, t) {
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
/**
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @param {number} d
 * @param {undefined} x
 * @param {number} s
 * @param {number} t
 * @return {?}
 */
function md5_ii(a, b, c, d, x, s, t) {
  return md5_cmn(c ^ (b | ~d), a, b, x, s, t);
}
/**
 * @param {number} x
 * @param {number} y
 * @return {?}
 */
function safe_add(x, y) {
  const m = (65535 & x) + (65535 & y);
  return (x >> 16) + (y >> 16) + (m >> 16) << 16 | 65535 & m;
}
/**
 * @param {number} num
 * @param {number} cnt
 * @return {?}
 */
function bit_rol(num, cnt) {
  return num << cnt | num >>> 32 - cnt;
}