Is there a secure way to store data locally with HTML5 or Flash AS3?

Question

I'm looking for a HTML5 or Flash AS3 equivalent to Adobe Air's encrypted local storage to store sensitive data such as OAuth token and passwords locally. I found local storage for HTML5 and the SharedObject for Flash but none of them are encrypted. Is there a secure way to store data locally from either HTML5 or Flash AS3?

Answer 1

You can try doing the encryption/decryption server side and store the encrypted string values within local storage. This way you can setup your own encryption standards.