SunshinePHP Developer Conference 2015

gnupg_sign

(PECL gnupg >= 0.1)

gnupg_signSigns a given text

Description

string gnupg_sign ( resource $identifier , string $plaintext )

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 -> setsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
$signed $gpg -> sign("just a test");
echo 
$signed;
?>

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User Contributed Notes 1 note

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phplist2REMOVE AT REMtincanOVE.co.uk
7 years ago
It's a bit confusing how the "keyinfo" for a key returns "can_sign".

If you have only added your Public Key, it will indicate "can_sign" for the key in "keyinfo", but that doesn't mean yet, that you can sign with the key. You will also need to add your Private Key to actually make signing work.
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