Glossary term
What is PKI / CA? Meaning for developers
PKI / CA stands for Public Key Infrastructure / Certificate Authority.
The system of trusted certificates / an organisation that issues them. Example: Let's Encrypt issues free certificates.
Learn it properly · System DesignLesson 3: HTTP & HTTPS Explained: Methods, Status Codes and TLSHTTP is the shared language of the web: a method and URL in, a status code and body out. HTTPS wraps it in TLS so nobody on the path can read or change it. Methods, idempotency, status codes, HTTP/1.1 vs 2 vs 3, and the TLS handshake.