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Update normalise and example for clearsigning

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Trailing whitespace must be removed when generating the signature and
must not be included in output.
This commit is contained in:
Stephen Paul Weber
2016-02-24 11:06:36 -05:00
parent 6340379ffe
commit cefaef242d
2 changed files with 17 additions and 2 deletions
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8
examples/clearsign.php
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@@ -7,8 +7,11 @@ require_once dirname(__FILE__).'/../lib/openpgp_crypt_rsa.php';
$wkey = OpenPGP_Message::parse(file_get_contents('php://stdin'));
$wkey = $wkey[0];
$string = "This\nis\na\ntest.";
/* Create a new literal data packet */
$data = new OpenPGP_LiteralDataPacket('This is text.', array('format' => 'u', 'filename' => 'stuff.txt'));
$data = new OpenPGP_LiteralDataPacket($string, array('format' => 'u', 'filename' => 'stuff.txt'));
$data->normalize(true); // Clearsign-style normalization of the LiteralDataPacket
/* Create a signer from the key */
$sign = new OpenPGP_Crypt_RSA($wkey);
@@ -19,6 +22,9 @@ $m = $sign->sign($data);
/* Generate clearsigned data */
$packets = $m->signatures()[0];
echo "-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n";
// Output normalised data. You could convert line endings here
// without breaking the signature, but do not add any
// trailing whitespace to lines.
echo preg_replace("/^-/", "- -", $packets[0]->data)."\n";
echo OpenPGP::enarmor($packets[1][0]->to_bytes(), "PGP SIGNATURE");