openssl_cms_sign

(PHP 8)

openssl_cms_sign — Sign a file

说明

openssl_cms_sign ( string $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 ) : bool

This function signs a file with an X.509 certificate and key.

参数

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.

返回值

成功时返回 true， 或者在失败时返回 false。