(PHP 5 >= 5.6.0, PHP 7, PHP 8)
openssl_x509_fingerprint — Calculates the fingerprint, or digest, of a given X.509 certificate
$certificate, string $digest_algo = "sha1", bool $binary = false): string|false
openssl_x509_fingerprint() returns the digest of
certificate as a string.
x509Ver parámetros Key/Certificate para un listado de valores válidos.
digest_algoThe digest method or hash algorithm to use, e.g. "sha256", one of openssl_get_md_methods().
binary
When set to true, outputs raw binary data. false outputs lowercase hexits.