sign method

String sign(
  1. String document, {
  2. required int derivation,
})

Provide a valid signature from given derivation keypair for any message or text document.

Implementation

String sign(String document, {required int derivation}) {
  Bip32KeyPair keypair = derive(derivation);
  return base64Encode(
      keypair.signingKey!.sign(document.codeUnits).signature.asTypedList);
}