Removed the use of Math.random() and new Date() for building...

benchmarks/crypto.js

 /*
  * Copyright (c) 2003-2005  Tom Wu
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish,
  * distribute, sublicense, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
@@ skipping 1388 matching lines @@
 function rng_seed_int(x) {
   rng_pool[rng_pptr++] ^= x & 255;
   rng_pool[rng_pptr++] ^= (x >> 8) & 255;
   rng_pool[rng_pptr++] ^= (x >> 16) & 255;
   rng_pool[rng_pptr++] ^= (x >> 24) & 255;
   if(rng_pptr >= rng_psize) rng_pptr -= rng_psize;
 }
 
 // Mix in the current time (w/milliseconds) into the pool
 function rng_seed_time() {
-  rng_seed_int(new Date().getTime());
+  // Use pre-computed date to avoid making the benchmark 
+  // results dependent on the current date.
+  rng_seed_int(1122926989487);
 }
 
 // Initialize the pool with junk if needed.
 if(rng_pool == null) {
   rng_pool = new Array();
   rng_pptr = 0;
   var t;
   while(rng_pptr < rng_psize) {  // extract some randomness from Math.random()
     t = Math.floor(65536 * Math.random());
     rng_pool[rng_pptr++] = t >>> 8;
@@ skipping 267 matching lines @@
 
 function decrypt() {
   var RSA = new RSAKey();
   RSA.setPublic(nValue, eValue);
   RSA.setPrivateEx(nValue, eValue, dValue, pValue, qValue, dmp1Value, dmq1Value, coeffValue);
   var decrypted = RSA.decrypt(encrypted);
   if (decrypted != TEXT) {
     throw new Error("Crypto operation failed");
   }
 }