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[–]magnora7[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

How many authentication bypass vulnerabilities in web applications were discovered in the past 10 years?

How would that make someone NOT post a canary over a 2 month period? If I was completely locked out of my own account for 2 months then that would mean we've completely lost control of the whole website anyway, so the signature would be redundant.

[–]danuker 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

A GPG-signed canary would allow you to publish authenticated messages irrespective of the security status of the website.

The only attackers that can fake a valid signature from a consistent key are the ones that have access to the computer used to sign.