Fix/default crypto bug (#335)

* fix default case in switch statement, and remove `0x` prefix from keys if present.

* add in replace for auto formatting.

packages/crypto/src/lib/crypto.ts

@@ -298,8 +298,14 @@ export const computeHDPubKey = (
   try {
     switch (sigType) {
       case SIGTYPE.EcdsaCaitSith:
+        // a bit of pre processing to remove characters which will cause our wasm module to reject the values.
+        pubkeys = pubkeys.map((value: string) => {
+          return value.replace('0x', '');
+        });
+        keyId = keyId.replace('0x', '');
         return ecdsaSdk.compute_public_key(keyId, pubkeys, 2);
-        defualt: throw new Error('Non supported signature type');
+      default:
+        throw new Error('Non supported signature type');
     }
   } catch (e) {
     log('Failed to derive public key', e);