secure offline PC storage accessible through javascript

Posted by turbo2oh on Programmers See other posts from Programmers or by turbo2oh
Published on 2014-07-23T02:28:20Z Indexed on 2014/08/22 4:27 UTC
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web-development

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web-applications

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security

I'm attempting to build a browser-based HTML5 application that has the ability to store data locally on a PC (not mobile device) when offline. This data is sensitive and must be secure.

Of course the trick is trying to find a way to be able to access the secure data with Javascript.

I've ruled out browser local storage since its not secure. Could this be accomplished with a local database? If so, where could the DB credentials be stored? Javascript obviously doesn't seem like a good option to store them since its user-readable.

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