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/*
 * @test
 * @bug 8347938
 * @modules java.base/sun.security.pkcs
 *          java.base/sun.security.x509
 * @library /test/lib
 * @summary check the Named***Key behavior
 */
import jdk.test.lib.Asserts;
import jdk.test.lib.security.SeededSecureRandom;
import sun.security.pkcs.NamedPKCS8Key;
import sun.security.x509.NamedX509Key;

import java.util.Arrays;

public class NamedKeys {
    public static void main(String[] args) throws Exception {

        // This test uses fictional key algorithms SHA and SHA-256,
        // simply because they look like a family name and parameter
        // set name and SHA-256 already have its OID defined.

        var r = SeededSecureRandom.one();
        var raw = r.nBytes(32);

        // Create a key using raw bytes
        var sk = NamedPKCS8Key.internalCreate("SHA", "SHA-256", raw, null);
        var enc = sk.getEncoded();

        // The raw bytes array is re-used
        Asserts.assertTrue(sk.getRawBytes() == sk.getRawBytes());
        // but the encoding is different
        Asserts.assertTrue(sk.getEncoded() != sk.getEncoded());

        // When source change
        Arrays.fill(raw, (byte)0);
        // Internal raw bytes also changes
        Asserts.assertEqualsByteArray(sk.getRawBytes(), new byte[32]);
        // No guarantee on getEncoded() output, could be cached

        // Create a key using encoding
        var sk1 = new NamedPKCS8Key("SHA", enc, null);
        var sk2 = new NamedPKCS8Key("SHA", enc, null);
        var raw1 = sk1.getRawBytes();
        Asserts.assertTrue(raw1 != sk2.getRawBytes());
        Asserts.assertTrue(sk1.getEncoded() != sk2.getEncoded());

        var encCopy = enc.clone(); // store a copy
        Arrays.fill(enc, (byte)0); // clean the source and the key unchanged
        Asserts.assertEqualsByteArray(encCopy, sk1.getEncoded());

        // Same with public key
        // Create a key using raw bytes
        raw = r.nBytes(32);
        var pk = new NamedX509Key("SHA", "SHA-256", raw);
        enc = pk.getEncoded().clone();

        // The raw bytes array is re-used
        Asserts.assertTrue(pk.getRawBytes() == pk.getRawBytes());
        // but the encoding is different
        Asserts.assertTrue(pk.getEncoded() != pk.getEncoded());

        // When source change
        Arrays.fill(raw, (byte)0);
        // Internal raw bytes also changes
        Asserts.assertEqualsByteArray(pk.getRawBytes(), new byte[32]);
        // No guarantee on getEncoded() output, could be cached

        // Create a key using encoding
        var pk1 = new NamedX509Key("SHA", enc);
        var pk2 = new NamedX509Key("SHA", enc);
        raw1 = pk1.getRawBytes();
        Asserts.assertTrue(raw1 != pk2.getRawBytes());
        Asserts.assertTrue(pk1.getEncoded() != pk2.getEncoded());

        encCopy = enc.clone(); // store a copy
        Arrays.fill(enc, (byte)0); // clean the source and the key unchanged
        Asserts.assertEqualsByteArray(encCopy, pk1.getEncoded());
    }
}