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Delivering Content Signatures
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Classroom Contents
Protecting Firefox Data with Content Signatures
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- 1 Intro
- 2 Updating Firefox Updates
- 3 Updates Security
- 4 Serving data through web APIs Industry best practice: HTTPS and trust the backend. That has two problems
- 5 HTTPS Interception . 4% of Firefox Updates are being intercepted
- 6 Compromise of web API
- 7 Internal Firefox PKI
- 8 Delivering Content Signatures
- 9 Verifying Content Signatures
- 10 Operational Security
- 11 Some interesting problems
- 12 Checking certificate validity . Signature verification fails when client clock
- 13 Measuring validation failures . Firefox drops the data when the signature does not validate
- 14 Emergency revocations
- 15 Implementation complexity
