(PHP 8)
openssl_cms_sign — Sign a file
$input_filename
, string $output_filename
, OpenSSLCertificate|string $certificate
, OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $private_key
, array|null $headers
, int $flags
= 0
, int $encoding
= OPENSSL_ENCODING_SMIME
, string|null $untrusted_certificates_filename
= null
) : boolThis function signs a file with an X.509 certificate and key.
input_filename
The name of the file to be signed.
output_filename
The name of the file to deposit the results.
certificate
The name of the file containing the signing certificate.
private_key
The name of file containing the key associated with certificate
.
headers
An array of headers to be included in S/MIME output.
flags
Flags to be passed to cms_sign().
encoding
The encoding of the output file. One of OPENSSL_CMS_SMIME
,
OPENSLL_CMS_DER
or OPENSSL_CMS_PEM
.
untrusted_certificates_filename
Intermediate certificates to be included in the signature.
成功时返回 true
, 或者在失败时返回 false
。