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(PHP 5.6)
openssl_x509_fingerprint — Calculates the fingerprint, or digest, of a given X.509 certificate
$x509
[, string $hash_algorithm
= "sha1"
[, bool $raw_output
= FALSE
]] ) openssl_x509_fingerprint() returns the digest of
x509
as a string.
x509
参见密钥/证书参数以获取有效值列表。
hash_algorithm
The hash algorithm to use, e.g. "md5" or "sha1"
raw_output
When set to TRUE
, outputs raw binary data. FALSE
outputs lowercase hexits.
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.
[#1] nb at dland dot de [2015-04-14 16:05:51]
The manual is not constistent at this point. On one hand, it describes the return as digest/fingerprint of a cert, on the other hand it says:
bool openssl_x509_fingerprint( ?? )
On PHP 5.6.5, I only get the bool return (1 or 0).