GoLang openssl_x509_fingerprint

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PHP openssl_x509_fingerprint

PHP original manual for openssl_x509_fingerprint [ show | php.net ]


(PHP 5 >= 5.6.0, PHP 7)

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


string openssl_x509_fingerprint ( mixed $x509 [, string $hash_algorithm = "sha1" [, bool $raw_output = FALSE ]] )

openssl_x509_fingerprint() returns the digest of x509 as a string.



See Key/Certificate parameters for a list of valid values.


The digest method or hash algorithm to use, e.g. "sha256", one of openssl_get_md_methods().


When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.

Return Values

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

Returns FALSE on failure.