openssl_sign
openssl_sign
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
openssl_sign — Generate signature
Description
bool openssl_sign ( string $data , string &$signature , mixed $priv_key_id [, mixed $signature_alg = OPENSSL_ALGO_SHA1 ] )
openssl_sign() computes a signature for the specified data
by generating a cryptographic digital signature using the private key associated with priv_key_id
. Note that the data itself is not encrypted.