+
+$enc2 = [
+ 'key' => base64_encode('0123456789abcdef'),
+ 'iv' => 't3jir1LHpICunvhlM76edQ==',//random bytes
+ 'blob' => base64_encode(
+ json_encode($enc1, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
+ ),
+];
+echo json_encode($enc2, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . "\n";