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2026-04-16 22:44
A TLS Certificate CLI in Rust — No OpenSSL, No Ceremony, Just a Fail-the-Build Exit Code
A TLS Certificate CLI in Rust — No OpenSSL, No Ceremony, Just a Fail-the-Build Exit Code
A tiny Rust CLI that opens a TLS connection, pulls the cert chain, prints expiry / issuer / SAN, and fails your cron job when a cert is about to die. 1.1 MB binary, zero OpenSSL, 20 tests.
An expired TLS certificate is the most avoidable kind of public outage. The failure is announced in advance....