| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright 2011 The Closure Library Authors. All Rights Reserved. |
| |
| Use of this source code is governed by the Apache License, Version 2.0. |
| See the COPYING file for details. |
| |
| --> |
| <head> |
| <title>goog.crypt.BlobHasher</title> |
| <script src="../base.js"></script> |
| <script> |
| goog.require('goog.crypt'); |
| goog.require('goog.crypt.BlobHasher'); |
| goog.require('goog.crypt.Md5'); |
| </script> |
| <link rel="stylesheet" href="css/demo.css"> |
| </head> |
| <body> |
| <h1>goog.crypt.BlobHasher</h1> |
| <table> |
| <tr><td>File:</td><td> |
| <input type="file" onchange="computeMD5(this.files[0]);"> |
| <input type="button" value="Abort" onclick="abort();"> |
| </td></tr> |
| <tr><td>MD5:</td><td><div id="output" style="font-family:courier new,fixed" /></td></tr> |
| </table> |
| <script> |
| |
| var hashFn = new goog.crypt.Md5(); |
| var blobHasher = new goog.crypt.BlobHasher(hashFn); |
| var startTime = 0; |
| |
| function computeMD5(file) { |
| goog.events.listen(blobHasher, goog.crypt.BlobHasher.EventType.COMPLETE, |
| function() { |
| var hash = goog.crypt.byteArrayToHex(blobHasher.getHash()); |
| var time = goog.now() - startTime; |
| display(hash + ' (' + time/1000 + 's)'); |
| }); |
| goog.events.listen(blobHasher, goog.crypt.BlobHasher.EventType.ABORT, |
| function() { |
| display('Aborted'); |
| }); |
| display('Computing...'); |
| startTime = goog.now(); |
| blobHasher.hash(file); |
| } |
| |
| function abort() { |
| blobHasher.abort(); |
| } |
| |
| function display(message) { |
| document.getElementById('output').innerHTML = message; |
| } |
| |
| </script> |
| </body> |
| </html> |
