diff --git a/.github/workflows/scorecards.yml b/.github/workflows/scorecards.yml
index b9e3918..707003c 100644
--- a/.github/workflows/scorecards.yml
+++ b/.github/workflows/scorecards.yml
@@ -67,6 +67,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@babb554ede22fd5605947329c4d04d8e7a0b8155 # v3.27.7
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         with:
           sarif_file: results.sarif
diff --git a/packages/at_dump_atKeys/bin/at_pkam.dart b/packages/at_dump_atKeys/bin/at_pkam.dart
index f22e84c..7601872 100644
--- a/packages/at_dump_atKeys/bin/at_pkam.dart
+++ b/packages/at_dump_atKeys/bin/at_pkam.dart
@@ -1,19 +1,18 @@
 import 'dart:convert';
 import 'dart:io';
-import 'dart:typed_data';
 
 import 'package:crypton/crypton.dart';
 import 'package:path/path.dart';
 
 void main(List<String> arguments) {
-  var Name = arguments[0];
-  var privateKey = getSecret(Name);
+  var name = arguments[0];
+  var privateKey = getSecret(name);
   privateKey = privateKey.trim();
   var key = RSAPrivateKey.fromString(privateKey);
   var challenge = stdin.readLineSync()!;
   challenge = challenge.trim();
   var signature =
-      base64.encode(key.createSHA256Signature(utf8.encode(challenge) as Uint8List));
+      base64.encode(key.createSHA256Signature(utf8.encode(challenge)));
   stdout.write(signature);
   stdout.write('\n');
 }
diff --git a/packages/at_pkam/bin/at_pkam.dart b/packages/at_pkam/bin/at_pkam.dart
index b7ac4f6..de693f4 100644
--- a/packages/at_pkam/bin/at_pkam.dart
+++ b/packages/at_pkam/bin/at_pkam.dart
@@ -1,6 +1,5 @@
 import 'dart:convert';
 import 'dart:io';
-import 'dart:typed_data';
 
 import 'package:crypton/crypton.dart';
 import 'package:path/path.dart';
@@ -11,7 +10,7 @@ void main(List<String> arguments) {
   var challenge = stdin.readLineSync()!;
   challenge = challenge.trim();
   var signature =
-      base64.encode(key.createSHA256Signature(utf8.encode(challenge) as Uint8List));
+      base64.encode(key.createSHA256Signature(utf8.encode(challenge)));
   stdout.write(signature);
   stdout.write('\n');
 }
diff --git a/packages/at_pkam/bin/main.dart b/packages/at_pkam/bin/main.dart
index 5f421fc..68f85e1 100644
--- a/packages/at_pkam/bin/main.dart
+++ b/packages/at_pkam/bin/main.dart
@@ -37,7 +37,7 @@ Future<void> main(List<String> arguments) async {
       var key = RSAPrivateKey.fromString(privateKey);
       challenge = challenge.trim();
       var signature =
-          base64.encode(key.createSHA256Signature(utf8.encode(challenge) as Uint8List));
+          base64.encode(key.createSHA256Signature(utf8.encode(challenge)));
       stdout.write(signature);
       stdout.write('\n');
     }