return 0 bits

antedebaas · Nov 1, 2024 · 188fb3a · 188fb3a
1 parent a3c3060
commit 188fb3a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Twig/RSABits.php b/src/Twig/RSABits.php
@@ -26,12 +26,12 @@ function getRsaKeyBitLengthFromDnsRecord($dkimKeyStr) {
         $dkimKeyStr = str_replace(["\n", "\r", " "], "", $dkimKeyStr);
         $binaryKey = base64_decode($dkimKeyStr);
         if ($binaryKey === false) {
-            throw new Exception("Invalid base64 encoding in DKIM key.");
+            return array('bits' => 0);
         }
         $formattedKey = "-----BEGIN PUBLIC KEY-----\n" . chunk_split(base64_encode($binaryKey), 64, "\n") . "-----END PUBLIC KEY-----";
         $publicKey = openssl_pkey_get_public($formattedKey);
         if ($publicKey === false) {
-            throw new Exception("Failed to parse DKIM key.");
+            return array('bits' => 0);
         }
         $keyDetails = openssl_pkey_get_details($publicKey);
         openssl_free_key($publicKey);