openssl_cms_encrypt
(PHP 8)
openssl_cms_encrypt — Encrypt a CMS message
Description
string
$input_filename
,string
$output_filename
,OpenSSLCertificate|array|string
$certificate
,?array
$headers
,int
$flags
= 0,int
$encoding
= OPENSSL_ENCODING_SMIME
,int
$cipher_algo
= OPENSSL_CIPHER_AES_128_CBC
): bool
This function encrypts content to one or more recipients, based on the certificates that are passed to it.
Parameters
-
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_ENCODING_SMIME
,OPENSSL_ENCODING_DER
orOPENSSL_ENCODING_PEM
. -
cipher_algo
-
A cypher to use.
Return Values
Returns true
on success or false
on failure.
Changelog
Version | Description |
---|---|
8.1.0 |
The default cipher algorithm (cipher_algo ) is now
AES-128-CBC (OPENSSL_CIPHER_AES_128_CBC ). Previously,
PKCS7/CMS was used (OPENSSL_CIPHER_RC2_40 ).
|