Signs a given text

Description

gnupg_sign(resource $identifier, string $plaintext): string

Signs the given plaintext with the keys, which were set with gnupg_addsignkey before and returns the signed text or the signature, depending on what was set with gnupg_setsignmode.

Parameters

identifier: The gnupg identifier, from a call to gnupg_init() or gnupg.
plaintext: The plain text being signed.

Return Values

On success, this function returns the signed text or the signature. On failure, this function returns false.

Examples

Example #1 Procedural gnupg_sign() example


<?php
$res = gnupg_init();
gnupg_addsignkey($res,"8660281B6051D071D94B5B230549F9DC851566DC","test");
$signed = gnupg_sign($res, "just a test");
echo $signed;
?>

Example #2 OO gnupg_sign() example


<?php
$gpg = new gnupg();
$gpg->addsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
$signed = $gpg->sign("just a test");
echo $signed;
?>