restore ecc, cbc

test/cbc_test.js

@@ -0,0 +1,33 @@
+new sjcl.test.TestCase("CBC mode tests", function (cb) {
+  ((sjcl.beware &&
+  sjcl.beware["CBC mode is dangerous because it doesn't protect message integrity."]) ||
+  function(){})();
+
+  if (!sjcl.cipher.aes || !sjcl.mode.cbc) {
+    this.unimplemented();
+    cb && cb();
+    return;
+  }
+
+  var i, kat = sjcl.test.vector.cbc, tv, iv, ct, aes, len, thiz=this, w=sjcl.bitArray, pt, h=sjcl.codec.hex;
+  browserUtil.cpsIterate(function (j, cbb) {
+    for (i=100*j; i<kat.length && i<100*(j+1); i++) {
+      tv = kat[i];
+      len = 32 * tv.key.length;
+      aes = new sjcl.cipher.aes(h.toBits(tv.key));
+
+      // Convert from strings
+      iv = h.toBits(tv.iv);
+      pt = h.toBits(tv.pt);
+      ct = h.toBits(tv.ct);
+
+      thiz.require(w.equal(sjcl.mode.cbc.encrypt(aes, pt, iv), ct), "aes-"+len+"-cbc-encrypt #"+i);
+      try {
+        thiz.require(w.equal(sjcl.mode.cbc.decrypt(aes, ct, iv), pt), "aes-"+len+"-cbc-decrypt #"+i);
+      } catch (e) {
+        thiz.fail("aes-cbc-decrypt #"+i+" (exn "+e+")");
+      }
+    }
+    cbb();
+  }, 0, kat.length / 100, true, cb);
+});