verifySign method

bool verifySign(
  1. String document,
  2. String signature, {
  3. required int derivation,
})

Verify if the given signature is valid for the given message or text document, based on given keypair

Implementation

bool verifySign(String document, String signature,
    {required int derivation}) {
  Bip32KeyPair keypair = derive(derivation);
  SignatureBase fomartedSignature = Signature(base64Decode(signature));
  return keypair.verifyKey!.verify(
      signature: fomartedSignature,
      message: document.codeUnits.toUint8List());
}