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