Improved performance of hBytes increment.

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## v0.7.2 / 2017-10-31
+### Improved
+- performance of hBytes increment.
+
 ## v0.7.1 / 2017-10-29
 ### Fixed
 - incorrect result when file size >= 4G.

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "js-md5",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "main": ["src/md5.js"],
   "ignore": [
     "tests"

doc/Md5_.html

@@ -1185,7 +1185,7 @@
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Oct 29 2017 21:21:25 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Oct 31 2017 20:29:31 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/global.html

@@ -300,7 +300,7 @@ md5(new Uint8Array([])); // d41d8cd98f00b204e9800998ecf8427e</code></pre>
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Oct 29 2017 21:21:25 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Oct 31 2017 20:29:31 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/index.html

@@ -96,7 +96,7 @@ md5.base64(''); // 1B2M2Y8AsgTpgAmY7PhCfg==</code></pre><h2>License</h2><p>The p
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Oct 29 2017 21:21:25 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Oct 31 2017 20:29:31 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/md5.html

@@ -47,7 +47,7 @@
 
     
     <dt class="tag-version">Version:</dt>
-    <dd class="tag-version"><ul class="dummy"><li>0.7.1</li></ul></dd>
+    <dd class="tag-version"><ul class="dummy"><li>0.7.2</li></ul></dd>
     
 
     
@@ -1460,7 +1460,7 @@ hash.update('The quick brown fox jumps over the lazy dog');</code></pre>
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Oct 29 2017 21:21:25 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Oct 31 2017 20:29:31 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/md5.js.html

@@ -30,7 +30,7 @@
  * [js-md5]{@link https://github.com/emn178/js-md5}
  *
  * @namespace md5
- * @version 0.7.1
+ * @version 0.7.2
  * @author Chen, Yi-Cyuan [emn178@gmail.com]
  * @copyright Chen, Yi-Cyuan 2014-2017
  * @license MIT
@@ -330,10 +330,6 @@
       }
       this.lastByteIndex = i;
       this.bytes += i - this.start;
-      while (this.bytes > 4294967295) {
-        ++this.hBytes;
-        this.bytes -= 4294967296;
-      }
       if (i >= 64) {
         this.start = i - 64;
         this.hash();
@@ -342,6 +338,10 @@
         this.start = i;
       }
     }
+    if (this.bytes > 4294967295) {
+      this.hBytes += this.bytes / 4294967296 << 0;
+      this.bytes = this.bytes % 4294967296;
+    }
     return this;
   };
 
@@ -725,7 +725,7 @@
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Oct 29 2017 21:21:25 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Oct 31 2017 20:29:31 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "js-md5",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "description": "A simple MD5 hash function for JavaScript supports UTF-8 encoding.",
   "main": "src/md5.js",
   "devDependencies": {

src/md5.js

@@ -2,7 +2,7 @@
  * [js-md5]{@link https://github.com/emn178/js-md5}
  *
  * @namespace md5
- * @version 0.7.1
+ * @version 0.7.2
  * @author Chen, Yi-Cyuan [emn178@gmail.com]
  * @copyright Chen, Yi-Cyuan 2014-2017
  * @license MIT
@@ -302,10 +302,6 @@
       }
       this.lastByteIndex = i;
       this.bytes += i - this.start;
-      while (this.bytes > 4294967295) {
-        ++this.hBytes;
-        this.bytes -= 4294967296;
-      }
       if (i >= 64) {
         this.start = i - 64;
         this.hash();
@@ -314,6 +310,10 @@
         this.start = i;
       }
     }
+    if (this.bytes > 4294967295) {
+      this.hBytes += this.bytes / 4294967296 << 0;
+      this.bytes = this.bytes % 4294967296;
+    }
     return this;
   };