Fixed issue #17353: Argument 1 must be at least CRYPTO_SIGN_BYTES long

LimeSurvey · Jun 5, 2021 · 350b5c2 · Shnoulle · Jun 7, 2021 · Shnoulle
1 parent f4b0be1
commit 350b5c2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/application/helpers/expressions/em_manager_helper.php b/application/helpers/expressions/em_manager_helper.php
@@ -3948,7 +3948,9 @@ public function setVariableAndTokenMappingsForExpressionManager($surveyid, $forc
                 foreach ($token as $key => $val) {
                     // Decrypt encrypted token attributes
                     if (isset($tokenEncryptionOptions['columns'][$key]) && $tokenEncryptionOptions['columns'][$key] === 'Y') {
-                        $val = $token->decrypt($val);
+                        if (!empty($val)) {
 if (!empty($sEncryptedString) && $sEncryptedString != 'null') { 
 } 
 if (!empty($sEncryptedString) && $sEncryptedString != 'null') { 
 } 
+                            $val = $token->decrypt($val);
+                        }
                     }
                     $this->knownVars["TOKEN:" . strtoupper($key)] = [
                         'code'      => $anonymized ? '' : $val,