Is it possible to digitally sign data from a web page in iOS safari?

I was looking all over and couldn't get a direct and clear answer. Is it possible to sign a document from Javascript code running in a web application (Safari)? I wish to开发者_如何学C use a certificate from the iPhone built-in certificate store.

I found a similar post which was not answered: Working with certificates in web applications for Apple iOS

Thanks! Yoash

Just been looking through some older questions (just in case somebody else stumbles across this) and I can say that No, this is definitely not possible. The only way to achieve something along these lines would be to create a phonegap plugin which handles this for you and distribute your web application as a phonegap application.