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/**
 * @test
 * @library /test/lib
 * @modules java.base/sun.security.util
 * @bug 8298420
 * @summary Testing encryptKey
 * @enablePreview
 */

import sun.security.util.Pem;

import javax.crypto.EncryptedPrivateKeyInfo;
import javax.crypto.SecretKey;
import javax.crypto.spec.PBEParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.AlgorithmParameters;
import java.security.PEMDecoder;
import java.security.PrivateKey;
import java.security.Provider;
import java.security.SecureRandom;
import java.security.Security;
import java.util.Arrays;

import static jdk.test.lib.Asserts.assertEquals;

public class Encrypt {

    private static final String encEdECKey =
        """
        -----BEGIN ENCRYPTED PRIVATE KEY-----
        MIGqMGYGCSqGSIb3DQEFDTBZMDgGCSqGSIb3DQEFDDArBBRyYnoNyrcqvubzch00
        jyuAb5YizgICEAACARAwDAYIKoZIhvcNAgkFADAdBglghkgBZQMEAQIEEM8BgEgO
        vdMyi46+Dw7cOjwEQLtx5ME0NOOo7vlCGm3H/4j+Tf5UXrMb1UrkPjqc8OiLbC0n
        IycFtI70ciPjgwDSjtCcPxR8fSxJPrm2yOJsRVo=
        -----END ENCRYPTED PRIVATE KEY-----
        """;
    private static final String passwdText = "fish";
    private static final char[] password = passwdText.toCharArray();
    private static final SecretKey key = new SecretKeySpec(
        passwdText.getBytes(), "PBE");

    public static void main(String[] args) throws Exception {
        Provider p = Security.getProvider(System.getProperty("test.provider.name", "SunJCE"));

        EncryptedPrivateKeyInfo ekpi = PEMDecoder.of().decode(encEdECKey,
            EncryptedPrivateKeyInfo.class);
        PrivateKey priKey = PEMDecoder.of().withDecryption(password).
            decode(encEdECKey, PrivateKey.class);
        AlgorithmParameters ap = ekpi.getAlgParameters();

        // Test encryptKey(PrivateKey, char[], String, ... )
        var e = EncryptedPrivateKeyInfo.encrypt(priKey, password,
            ekpi.getAlgName(), ap.getParameterSpec(PBEParameterSpec.class),
            null);
        if (!Arrays.equals(ekpi.getEncryptedData(), e.getEncryptedData())) {
            throw new AssertionError("encryptKey() didn't match" +
                " with expected.");
        }

        // Test encryptKey(PrivateKey, char[], String, ...) with provider
        e = EncryptedPrivateKeyInfo.encrypt(priKey, password, ekpi.getAlgName(),
            ap.getParameterSpec(PBEParameterSpec.class), p);
        if (!Arrays.equals(ekpi.getEncryptedData(), e.getEncryptedData())) {
            throw new AssertionError("encryptKey() didn't match" +
                " with expected.");
        }

        // Test encryptKey(PrivateKey, char[], String, ...) with provider and null algorithm
        e = EncryptedPrivateKeyInfo.encrypt(priKey, password, Pem.DEFAULT_ALGO, null, p);
        assertEquals(e.getAlgName(), Pem.DEFAULT_ALGO);

        // Test encryptKey(PrivateKey, Key, String, ...)
        e = EncryptedPrivateKeyInfo.encrypt(priKey, key, ekpi.getAlgName(),
            ap.getParameterSpec(PBEParameterSpec.class), null, null);
        if (!Arrays.equals(ekpi.getEncryptedData(), e.getEncryptedData())) {
            throw new AssertionError("encryptKey() didn't match" +
                " with expected.");
        }

        // Test encryptKey(PrivateKey, Key, String, ...) with provider and null random
        e = EncryptedPrivateKeyInfo.encrypt(priKey, key, ekpi.getAlgName(),
            ap.getParameterSpec(PBEParameterSpec.class), p, null);
        if (!Arrays.equals(ekpi.getEncryptedData(), e.getEncryptedData())) {
            throw new AssertionError("encryptKey() didn't match" +
                " with expected.");
        }

        // Test encryptKey(PrivateKey, Key, String, ...) with provider and SecureRandom
        e = EncryptedPrivateKeyInfo.encrypt(priKey, key, ekpi.getAlgName(),
            ap.getParameterSpec(PBEParameterSpec.class), p, new SecureRandom());
        if (!Arrays.equals(ekpi.getEncryptedData(), e.getEncryptedData())) {
            throw new AssertionError("encryptKey() didn't match" +
                " with expected.");
        }

        // Test encryptKey(PrivateKey, Key, String, ...) with provider and null algorithm
        e = EncryptedPrivateKeyInfo.encrypt(priKey, key, Pem.DEFAULT_ALGO, null,
            p, new SecureRandom());
        assertEquals(e.getAlgName(), Pem.DEFAULT_ALGO);


        SecretKey key2 = new SecretKeySpec("1234567890123456".getBytes(), "AES");

        // Test encryptKey(PrivateKey, Key, String, ...) with provider and SecureRandom
        e = EncryptedPrivateKeyInfo.encrypt(priKey, key2, "AES_128/GCM/NoPadding",
            null, p, new SecureRandom());
        PrivateKey key3 = e.getKey(key2, null);
        assertEquals(key3, priKey, "AES encryption failed");
    }
}