How to use

extractPublicKey

method

in

io.yggdrash.common.crypto.ECKey

/**
 * Generate a new keypair using the given Java Security Provider.
 * <p>
 * All private key operations will use the provider.
 */
public ECKey(Provider provider, SecureRandom secureRandom) {
  this.provider = provider;
  final KeyPairGenerator keyPairGen = ECKeyPairGenerator.getInstance(provider, secureRandom);
  final KeyPair keyPair = keyPairGen.generateKeyPair();
  this.privKey = keyPair.getPrivate();
  final PublicKey pubKey = keyPair.getPublic();
  if (pubKey instanceof BCECPublicKey) {
    pub = ((BCECPublicKey) pubKey).getQ();
  } else if (pubKey instanceof ECPublicKey) {
    pub = extractPublicKey((ECPublicKey) pubKey);
  } else {
    throw new AssertionError(
        "Expected Provider " + provider.getName() +
            " to produce a subtype of ECPublicKey, found " + pubKey.getClass());
  }
}