Electronic signatures in web pages

user_69742 0
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I have an ASP.Net application. It is an application where people fill out forms. Well, we would like for people to be able to sign the form electronically(as in, their hand written signature) so that the signatures are held in the server and displayed on the web page.

Is there any kind of support for doing this kinda thing without having to resort to ActiveX controls? We would really strongly like to stay away from those. Is there anything up and coming that could be of some help such as the Canvas HTML5 tag or anything like that? It'd be super neat if we could support both signature pads and tablet PCs.

Also, electronic signatures are required because we would prefer if they signed the form through the computer and stored it on our server rather than printing it off, signing it, and filing it away in some place to become out of date.

topaz-signatures electronic-signature asp.net html
8 Answers

This isn't exactly an answer to your problem but if you are in the United States you will not need a handwritten signature for the document to be considered legally "signed." As long as the form they are "signing" meets certain authentication criteria, an online agreement is considered fully executed by an electronic acceptance. For example, in our system, people sign a document using the following:

My Name: Mark Graquel
My System ID: 998877
Today's Date: 1/25/2010 

You agree that the Name and/or ID shown above fully, accurately and uniquely 
identifies you in our database. You furthermore agree that your submission of 
this form, via the "I Accept" button, shall constitute the execution of this 
document in exactly the same manner as if you had signed, by hand, a paper 
version of this agreement.

For more information about the law that covers electronic signatures, see the "Digital Signatures Act."

Mark_Brittingham_155920

I hardly doubt whether this is pleadable, as there is no possibility to do signature analysis etc. But I am no lawyer, so this might be worth another discussion :-).

Isn't there something like DigiD available in your country. It's a government issued identification mechanism with verification, that is used in the Netherlands to sign (for example) tax files.

Also check CanvasPaint (domain expired). It's code has been open sourced by the author (see here). It is an Paint implementation in pure Javascript, using the <canvas> tag.

user_1076420

When I was learning jQuery I wrote 'Simple Paint' program. This program had 100x100 div and color chooser. I could draw different things keeping left mouse button pressed. It took about 4 hours to write that program (i.e. it's very easy especially if we assume that I was learning jQuery and didn't know how to use it correctly).

P.S. you describe the strangest requirement I've ever heard.

user_1005160

If they aren't using a tablet PC then a mouse rendering of the "signature" might look nothing like they would normally sign. Unsure how the legality of this would hold up.

As an alternative implementation and likely equally viable one for online, make available a text box to type their name into as their "electronic signature". Then if the platform allows for a real sig to be carried out properly (e.g. known to be a tablet with pen) then let them sign normally instead.

Their "personal mark" on a filled out form might also simply be the fact they logged in to fill it out. Electronic sigs don't have to take on the format you would normally expect. Online implementations of offline things often don't translate properly or have unforeseen loopholes.

user_1799720
user_23850

Not sure how an average person would sign using a mouse... We have done something like this, but what we did was provide the page of the form requiring a signature for download, which they could then sign, scan and upload again.

Wet signature is a nuisance, but still necessary in some cases...

user_1172150
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