@absmartly/javascript-sdk/es/md5.js

A/B Smartly Javascript SDK

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.md5 = void 0;
function cmn(q, a, b, x, s, t) {
  a = a + q + (x >>> 0) + t;
  return (a << s | a >>> 32 - s) + b;
}
function ff(a, b, c, d, x, s, t) {
  return cmn(b & c | ~b & d, a, b, x, s, t);
}
function gg(a, b, c, d, x, s, t) {
  return cmn(b & d | c & ~d, a, b, x, s, t);
}
function hh(a, b, c, d, x, s, t) {
  return cmn(b ^ c ^ d, a, b, x, s, t);
}
function ii(a, b, c, d, x, s, t) {
  return cmn(c ^ (b | ~d), a, b, x, s, t);
}
function md5cycle(x, k) {
  let a = x[0];
  let b = x[1];
  let c = x[2];
  let d = x[3];
  a = ff(a, b, c, d, k[0], 7, -680876936);
  d = ff(d, a, b, c, k[1], 12, -389564586);
  c = ff(c, d, a, b, k[2], 17, 606105819);
  b = ff(b, c, d, a, k[3], 22, -1044525330);
  a = ff(a, b, c, d, k[4], 7, -176418897);
  d = ff(d, a, b, c, k[5], 12, 1200080426);
  c = ff(c, d, a, b, k[6], 17, -1473231341);
  b = ff(b, c, d, a, k[7], 22, -45705983);
  a = ff(a, b, c, d, k[8], 7, 1770035416);
  d = ff(d, a, b, c, k[9], 12, -1958414417);
  c = ff(c, d, a, b, k[10], 17, -42063);
  b = ff(b, c, d, a, k[11], 22, -1990404162);
  a = ff(a, b, c, d, k[12], 7, 1804603682);
  d = ff(d, a, b, c, k[13], 12, -40341101);
  c = ff(c, d, a, b, k[14], 17, -1502002290);
  b = ff(b, c, d, a, k[15], 22, 1236535329);
  a = gg(a, b, c, d, k[1], 5, -165796510);
  d = gg(d, a, b, c, k[6], 9, -1069501632);
  c = gg(c, d, a, b, k[11], 14, 643717713);
  b = gg(b, c, d, a, k[0], 20, -373897302);
  a = gg(a, b, c, d, k[5], 5, -701558691);
  d = gg(d, a, b, c, k[10], 9, 38016083);
  c = gg(c, d, a, b, k[15], 14, -660478335);
  b = gg(b, c, d, a, k[4], 20, -405537848);
  a = gg(a, b, c, d, k[9], 5, 568446438);
  d = gg(d, a, b, c, k[14], 9, -1019803690);
  c = gg(c, d, a, b, k[3], 14, -187363961);
  b = gg(b, c, d, a, k[8], 20, 1163531501);
  a = gg(a, b, c, d, k[13], 5, -1444681467);
  d = gg(d, a, b, c, k[2], 9, -51403784);
  c = gg(c, d, a, b, k[7], 14, 1735328473);
  b = gg(b, c, d, a, k[12], 20, -1926607734);
  a = hh(a, b, c, d, k[5], 4, -378558);
  d = hh(d, a, b, c, k[8], 11, -2022574463);
  c = hh(c, d, a, b, k[11], 16, 1839030562);
  b = hh(b, c, d, a, k[14], 23, -35309556);
  a = hh(a, b, c, d, k[1], 4, -1530992060);
  d = hh(d, a, b, c, k[4], 11, 1272893353);
  c = hh(c, d, a, b, k[7], 16, -155497632);
  b = hh(b, c, d, a, k[10], 23, -1094730640);
  a = hh(a, b, c, d, k[13], 4, 681279174);
  d = hh(d, a, b, c, k[0], 11, -358537222);
  c = hh(c, d, a, b, k[3], 16, -722521979);
  b = hh(b, c, d, a, k[6], 23, 76029189);
  a = hh(a, b, c, d, k[9], 4, -640364487);
  d = hh(d, a, b, c, k[12], 11, -421815835);
  c = hh(c, d, a, b, k[15], 16, 530742520);
  b = hh(b, c, d, a, k[2], 23, -995338651);
  a = ii(a, b, c, d, k[0], 6, -198630844);
  d = ii(d, a, b, c, k[7], 10, 1126891415);
  c = ii(c, d, a, b, k[14], 15, -1416354905);
  b = ii(b, c, d, a, k[5], 21, -57434055);
  a = ii(a, b, c, d, k[12], 6, 1700485571);
  d = ii(d, a, b, c, k[3], 10, -1894986606);
  c = ii(c, d, a, b, k[10], 15, -1051523);
  b = ii(b, c, d, a, k[1], 21, -2054922799);
  a = ii(a, b, c, d, k[8], 6, 1873313359);
  d = ii(d, a, b, c, k[15], 10, -30611744);
  c = ii(c, d, a, b, k[6], 15, -1560198380);
  b = ii(b, c, d, a, k[13], 21, 1309151649);
  a = ii(a, b, c, d, k[4], 6, -145523070);
  d = ii(d, a, b, c, k[11], 10, -1120210379);
  c = ii(c, d, a, b, k[2], 15, 718787259);
  b = ii(b, c, d, a, k[9], 21, -343485551);
  x[0] = a + x[0] >>> 0;
  x[1] = b + x[1] >>> 0;
  x[2] = c + x[2] >>> 0;
  x[3] = d + x[3] >>> 0;
}
function md5(key) {
  const dataView = new DataView(key);
  let i;
  const l = dataView.byteLength;
  const n = l & ~63;
  const block = new Uint32Array(16);
  const state = Uint32Array.of(1732584193, -271733879, -1732584194, 271733878);
  for (i = 0; i < n; i += 64) {
    for (let w = 0; w < 16; ++w) {
      block[w] = dataView.getUint32(i + (w << 2), true);
    }
    md5cycle(state, block);
  }
  let w = 0;
  const m = l & ~3;
  for (; i < m; i += 4) {
    block[w++] = dataView.getUint32(i, true);
  }
  const p = l & 3;
  switch (p) {
    case 3:
      block[w++] = 0x80000000 | dataView.getUint8(i) | dataView.getUint8(i + 1) << 8 | dataView.getUint8(i + 2) << 16;
      break;
    case 2:
      block[w++] = 0x800000 | dataView.getUint8(i) | dataView.getUint8(i + 1) << 8;
      break;
    case 1:
      block[w++] = 0x8000 | dataView.getUint8(i);
      break;
    default:
      block[w++] = 0x80;
      break;
  }
  if (w > 14) {
    for (; w < 16; ++w) {
      block[w] = 0;
    }
    md5cycle(state, block);
    w = 0;
  }
  for (; w < 16; ++w) {
    block[w] = 0;
  }
  block[14] = l << 3;
  md5cycle(state, block);
  return new Uint8Array(state.buffer);
}
exports.md5 = md5;