3 ms·
What's stopping someone from recording each public key as it is entered into service and providing a DKIM authentication service with it? There are already such
by tomc1985 6y ago
What's stopping someone from recording each public key as it is entered into service and providing a DKIM authentication service with it? There are already such things for domain data.
- mspecter 6y agoHi! Check out our Usenix 2021 paper on exactly this topic. The key insight is to release private keys over time: http://www.mit.edu/~specter/blog/2020/dkim/ http://www.mit.edu/~specter/blog/2020/dkim/