test/jdk/sun/security/ec/SignatureParameters.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 8286908
 * @summary ECDSA signature should not return parameters
 * @library /test/lib
 * @modules jdk.crypto.ec
 */

import jdk.test.lib.Asserts;

import java.security.*;
import java.security.interfaces.ECPrivateKey;
import java.security.spec.ECGenParameterSpec;

public class SignatureParameters {
    public static void main(String[] args) throws Exception {
        KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
        kpg.initialize(new ECGenParameterSpec("secp384r1"));
        ECPrivateKey key = (ECPrivateKey) kpg.generateKeyPair().getPrivate();
        Signature s = Signature.getInstance("SHA384withECDSA");
        s.initSign(key);
        s.setParameter(key.getParams());
        Asserts.assertEQ(s.getParameters(), null);
    }
}