HTTP Message Signatures

wikipedia:HTTP Message Signatures

• SHA-256

• Hash-based message authentication code (HMAC)
• Signing
• TLS, TLS 1.3, 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, Opportunistic TLS (StartTLS), tools