openssl_x509_fingerprint
(PHP 5 >= 5.6.0, PHP 7, PHP 8)
openssl_x509_fingerprint — Calculates the fingerprint, or digest, of a given X.509 certificate
Description
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.
Parameters
-
x509 -
See Key/Certificate parameters for a list of valid values.
-
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.falseoutputs lowercase hexits.
Return Values
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.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
certificate accepts an OpenSSLCertificate instance now;
previously, a resource of type OpenSSL X.509 was accepted.
|
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