Google Inc.

John Bradley Chen

Gang Wang

David Sehr

Jason Jeffrey Miller

Victor Khimenko

Bennet Sze-bun Yee

This disclosure relates to verifying the trustworthiness of web applications. In one aspect, a method includes obtaining, by a browser of a client device, an electronic resource comprising code for a web application. The browser renders the electronic resource, including processing the code of the web application. The code causes the browser to initiate a request to a remote server. In response to processing the code, the request is generated and modified to include at least a portion of an integrity element for the web application. The modified request is sent to the remote server. A response to the request is received from the remote server. The response is based on the remote server verifying that the web application is trustworthy using the integrity element. Data is displayed based on the response.

Verifying the trustworthiness of web applications

Some embodiments provide a system that executes a native code module. During operation, the system obtains the native code module. Next, the system loads the native code module into a secure runtime environment. Finally, the system safely executes the native code module in the secure runtime environment by using a set of software fault isolation (SFI) mechanisms that maintain control flow integrity for the native code module and constrain store instructions in the native code module by bounding a valid memory region of the native code module with one or more guard regions.

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Los Gatos, CA, United States of America

John Bradley Chen