Function md5blk

scripts/libs/crypto/md5.js:140–152

(s)

 * 8-bit unsigned value arrays.
 */
function md5blk(s) {
  /* I figured global was faster.   */
  var md5blks = [],
    i; /* Andy King said do it this way. */
  for (i = 0; i < 64; i += 4) {
    md5blks[i >> 2] =
      s.charCodeAt(i) +
      (s.charCodeAt(i + 1) << 8) +
      (s.charCodeAt(i + 2) << 16) +
      (s.charCodeAt(i + 3) << 24);
  }
  return md5blks;
}

var hex_chr = "0123456789abcdef".split("");