diff --git a/src/utils/signatureVerifier.ts b/src/utils/signatureVerifier.ts
index ad4f95d..10d8759 100644
--- a/src/utils/signatureVerifier.ts
+++ b/src/utils/signatureVerifier.ts
@@ -33,12 +33,19 @@ export async function pem2_P256key(filePath: string) {
   const publicKeyBytes = await Deno.readFile(filePath);
   const pemKey = new TextDecoder().decode(publicKeyBytes);
 
+  return pemString2_P256key(pemKey)
+}
+
+
+export async function pemString2_P256key(pemString: string) {
+ 
+
   // fetch the part of the PEM string between header and footer
   const pemHeader = "-----BEGIN PUBLIC KEY-----";
   const pemFooter = "-----END PUBLIC KEY-----";
-  const pemContents = pemKey.substring(
+  const pemContents = pemString.substring(
     pemHeader.length,
-    pemKey.length - pemFooter.length - 1,
+    pemString.length - pemFooter.length - 1,
   );
   // base64 decode the string to get the binary data
   // convert from a binary string to an ArrayBuffer