wikipedia:HTTP Message Signatures
- Hash-based message authentication code (HMAC)
- Signing
- TLS, mTLS: OpenSSL, LibreSSL, BoringSSL, WolfSSL, X.509,
.pem, SNI, CT, OCSP, Mbed TLS, ALPN, your connection is not private, SSL Certificate Checker, Wildcard certificate, JA3 fingerprint, sslcan, TLS inspection
