Hello,
I have seen code sample for Canvas-to-capture-Signatures-with-jQuery.
http://www.aspsnippets.com/Articles/Using-HTML5-Canvas-to-capture-Signatures-with-jQuery.aspx
They have used two reference, does any one of the reference depends on Flash. Please let me know
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="http://intridea.github.io/sketch.js/lib/sketch.min.js" type="text/javascript"></script>