Interactive OpenSSL cert generator — prompts for DN fields (including OU and email), key size, digest, basicConstraints, and DNS/IP SANs. Includes serverAuth + clientAuth extended key usage. Generates a reusable config, CSR, and optionally a self-signed certificate from an existing private key.
bash tls ssl certificate openssl https esp32 x509 csr pem san serverauth self-signed clientauth extendedkeyusage
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Updated
Feb 13, 2026 - Shell