This module allows you to interact with gnupg.
| Warning |
This extension is
EXPERIMENTAL. The behaviour of this extension --
including the names of its functions and anything else documented
about this extension -- may change without notice in a future release of PHP.
Use this extension at your own risk. |
The gnupg extension requires PHP 4.3.
To use this extension in an OO style, PHP 5 is required.
This extension requires the gpgme
library
This extension makes use of the keyring of the current user. This keyring
is normally located in ~./.gnupg/.
To specify a custom location, store the path to the keyring in the
environment variable GNUPGHOME. See putenv for more information how to do
this.
Some functions require the specification of a key. This specification can
be anything that refers to an unique key (userid, key-id, fingerprint,
...).
This documentation uses the fingerprint in all examples.
This extension also comes with an Iterator for your keyring.
<?php
// create a new iterator for listing all public keys that matches 'example'
$iterator = new gnupg_keylistiterator("example");
foreach($iterator as $fingerprint => $userid){
echo $fingerprint." -> ".$userid."\n";
}
?>
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This example will clearsign a given text.
Example 1. gnupg clearsign example (procedural)
<?php
// init gnupg
$res = gnupg_init();
// not really needed. Clearsign is default
gnupg_setsignmode($res,GNUPG_SIG_MODE_CLEAR);
// add key with passphrase 'test' for signing
gnupg_addsignkey($res,"8660281B6051D071D94B5B230549F9DC851566DC","test");
// sign
$signed = gnupg_sign("just a test");
echo $signed;
?>
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Example 2. gnupg clearsign example (OO)
<?php
// new class
$gnupg = new gnupg();
// not really needed. Clearsign is default
$gnupg->setsignmode(gnupg::SIG_MODE_CLEAR);
// add key with passphrase 'test' for signing
$gnupg->addsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
// sign
$signed = $gnupg->sign("just a test");
echo $signed;
?>
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