randomness in Chrome

2011-07-10 16:20:58 -07:00 · 2011-07-10 16:20:58 -07:00 · c1fcb9a560
commit c1fcb9a560
parent 8d3a6e7ded
1 changed files with 10 additions and 0 deletions
--- a/core/random.js
+++ b/core/random.js
@ -366,3 +366,13 @@ sjcl.random = {
  }
 };

+(function(){
+  try {
+    // get cryptographically strong entropy in Webkit
+    var ab = new Uint32Array(32), i;
+    crypto.getRandomValues(ab);
+    sjcl.random.addEntropy(ab, 1024, "crypto.getRandomValues");
+  } catch (e) {
+    // no getRandomValues :-(
+  }
+})();