HTML5 Client Side Data Encryption - What are my options?

Question

I am working on a EDIT: mobile web app which displays some sensitive information and requires a login which stores the members username and password in a HT

Answer 1

More recent browser versions should support Web Crypto API.

1. See the live test page if you browser works
2. The w3c Webcrypto API description
3. Mozilla Developer Network Info on WebCrypto API