Questions tagged [warrant-canary]

3 questions
85
votes
3 answers

What is a Warrant Canary?

While browsing VeraCrypt's website I found its warrant canary. I tried to understand what it is and what its purpose was by reading corresponding Wikipedia article. To be honest I find it quite confusing. Can someone explain what a warrant canary is…
trejder
  • 3,329
  • 5
  • 23
  • 33
39
votes
2 answers

How to prove that a file was not created in advance

Sometimes we need to prove that a file was not created in advance - a good example is warrant canaries. The person releasing them may have been forced to sign the file with a future timestamp. For example, AutoCanary uses recent news headlines which…
5
votes
1 answer

Does anyone provide per-user warrant canary

A recent trend is companies publishing warrant canary statements on their website saying something such as: We have not been compelled to disclose our private encryption key to any 3rd party This is a clever way to defeat gag orders that often…
BeetleJuice
  • 151
  • 1