Ed25519phSchemeProvider extends SchemeProvider { @Override public EdDsaSigner getSigner() { return new Ed25519Signer(algorithm, this); } Ed25519phSchemeProvider(HashAlgorithm algorithm); @Override EdDsaSigner getSigner(); @Override PublicKeyDelegate getPublicKeyDelegate(); @Override PrivateKey generatePrivateKey(); @Override byte[] preHash(byte[] input); @Override byte[] dom(byte[] context);  }
@Test public void success_GetSigner() { SchemeProvider schemeProvider = new Ed25519phSchemeProvider(HashAlgorithm.SHAKE_256); assertNotNull(schemeProvider.getSigner()); }