OPENSSL_X509_FINGERPRINT(3) 1 OPENSSL_X509_FINGERPRINT(3)
openssl_x509_fingerprint - Calculates the fingerprint, or digest, of a given X.509 certificate
SYNOPSIS
bool openssl_x509_fingerprint FALSE (mixed $x509, [string $hash_algorithm = "sha1"], [bool $raw_output])
DESCRIPTION
openssl_x509_fingerprint(3) returns the digest of $x509 as a string.
PARAMETERS
o $x509
- See Key/Certificate parameters for a list of valid values.
o $hash_algorithm
- The hash algorithm to use, e.g. "md5" or "sha1"
o $raw_output
- 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.
PHP Documentation Group OPENSSL_X509_FINGERPRINT(3)