Purplix Canary is a free & open source warrant canary tool what helps you to build trust with your users.
It allows you to inform users cryptographically if your site has been compromised, seized or raided by anyone.
How does it work?
Site verification
Purplix uses DNS records to verify the domain the canary is for, giving your users confidence they are trusting the right people.
Canary signatures
Each domain is associated with a unique key pair. The private key is generated locally and securely stored within the owner’s keychain. When a user visits a canary from a specific domain for the first time, their private key is used to sign the public key. This signed version of the public key is then automatically employed for subsequent visits, effectively mitigating man-in-the-middle attacks and ensuring the trustworthiness of canary statements from the respective domain.
Files
Canaries can include signed documents to help users further understand a situation.
Notifications
Users are automatically notified on the event of a new statement being published.
What do you mean by a failed warrant canary? In most cases there is no clear failure because there’s no clear plan in place to maintain them.
For example, if a website has a statement “we have received 0 warrants”. When was that published? Yesterday? A year ago? More? Even if it has a date, say 6 months ago. What does that mean? That they only update it every year? Or maybe there were meant to update it they just forgot, maybe they aren’t allowed to update it due to a gag order.
Due to the way each website does things differently with no clear guidelines, there isn’t actually a defined failure case.
While you can find examples of companies doing it correctly, it’s also easy to find companies who do not.
Also, some update theirs seemingly daily but don’t actually state this. Sure, you can check and see that it was updated “today”, but what if it doesn’t get updated and you don’t know its “typically” updated daily. Again, no date for the next update.
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In the digital age, protecting your personal information might seem like an impossible task. We’re here to help.
This is a community for sharing news about privacy, posting information about cool privacy tools and services, and getting advice about your privacy journey.
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Check out our website at privacyguides.org before asking your questions here. We’ve tried answering the common questions and recommendations there!
Want to get involved? The website is open-source on GitHub, and your help would be appreciated!
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What do you mean by a failed warrant canary? In most cases there is no clear failure because there’s no clear plan in place to maintain them.
For example, if a website has a statement “we have received 0 warrants”. When was that published? Yesterday? A year ago? More? Even if it has a date, say 6 months ago. What does that mean? That they only update it every year? Or maybe there were meant to update it they just forgot, maybe they aren’t allowed to update it due to a gag order.
Due to the way each website does things differently with no clear guidelines, there isn’t actually a defined failure case.
They typically have a date for the message and the date for the next update. If they miss their update, they have failed.
While you can find examples of companies doing it correctly, it’s also easy to find companies who do not. Also, some update theirs seemingly daily but don’t actually state this. Sure, you can check and see that it was updated “today”, but what if it doesn’t get updated and you don’t know its “typically” updated daily. Again, no date for the next update.
These are all examples of companies who do not explicitly specify when the next update will be: kagi.com/privacy nordvpn.com/security-efforts/ cloudflare.com/transparency/