Certificate Authority
A trusted entity that issues digital certificates.
Concept Neighborhood
Explore this concept’s connections in the groups below.
Start here
Let's Encrypt
A related concept to explore, covered by 3 lessons.
Certificate
A digital certificate is a signed electronic document that binds a public key to an identity, such as a website's domain, and is vouched for by a trusted certificate authority. It is what lets clients trust they are talking to the real party in HTTPS.
1
lesson
Certificate Validation
The checks a client performs before trusting a certificate: confirming a trusted authority signed it, that it matches the expected identity, that it has not expired, and that it has not been revoked. Skipping or weakening these checks is a serious flaw.
1
lesson
Related Lessons
1 lesson covers this conceptSign in to open lesson content directly.