PHP Conference Nagoya 2025

openssl_x509_fingerprint

(PHP 5 >= 5.6.0, PHP 7, PHP 8)

openssl_x509_fingerprintCalculates the fingerprint, or digest, of a given X.509 certificate

Descrizione

openssl_x509_fingerprint(OpenSSLCertificate|string $certificate, string $digest_algo = "sha1", bool $binary = false): string|false

openssl_x509_fingerprint() returns the digest of certificate as a string.

Elenco dei parametri

x509

Vedere parametri delle chiavi/certificati per una lista di valori validi.

digest_algo

The 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.

Valori restituiti

Returns a string containing the calculated certificate fingerprint as lowercase hexits unless binary is set to true in which case the raw binary representation of the message digest is returned.

Returns false on failure.

Log delle modifiche

Versione Descrizione
8.0.0 certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
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