(PHP 8)
openssl_cms_encrypt — Encrypt a CMS message
$input_filename
, string $output_filename
, OpenSSLCertificate|array|string $certificate
, array|null $headers
, int $flags
= 0
, int $encoding
= OPENSSL_ENCODING_SMIME
, int $cipher_algo
= OPENSSL_CIPHER_RC2_40
) : boolThis function encrypts content to one or more recipients, based on the certificates that are passed to it.
input_filename
The file to be encrypted.
output_filename
The output file.
certificate
Recipients to encrypt to.
headers
Headers to include when S/MIME is used.
flags
Flags to be passed to CMS_sign.
encoding
An encoding to output. One of OPENSSL_CMS_SMIME
,
OPENSLL_CMS_DER
or OPENSSL_CMS_PEM
.
cipher_algo
A cypher to use.
成功时返回 true
, 或者在失败时返回 false
。