openssl_pkcs7_sign()
openssl_pkcs7_sign - Sign an S/MIME message
Syntax
bool openssl_pkcs7_sign (
string $infilename,
string $outfilename,
mixed $signcert,
mixed $privkey,
array $headers,
int $flags,
string $extracerts)
Arguments
- infilename
- outfilename
- signcert
- privkey
- headers - headers is an array of headers that will be prepended to the data after it has been signed (see openssl_pkcs7_encrypt() for more information about the format of this parameter).
- flags - flags can be used to alter the output - see PKCS7 constants.
- extracerts - extracerts specifies the name of a file containing a bunch of extra certificates to include in the signature which can for example be used to help the recipient to verify the certificate that you used.
Description
openssl_pkcs7_sign() takes the contents of the file named infilename and signs them using the certificate and its matching private key specified by signcert and privkey parameters.
Version
PHP 4.0.6, 5
Return value
Returns TRUE on success or FALSE on failure.
