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-rw-r--r--include/zot.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/zot.php b/include/zot.php
index 3143fa000..e120755b5 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -133,7 +133,7 @@ function zot_build_packet($channel, $type = 'notify', $recipients = null, $remot
}
if ($secret) {
- $data['secret'] = $secret;
+ $data['secret'] = preg_replace('/[^0-9a-fA-F]/','',$secret);
$data['secret_sig'] = base64url_encode(rsa_sign($secret,$channel['channel_prvkey']));
}