Java Certificate類代碼示例

import java.security.cert.Certificate; //導入依賴的package包/類
private static void signWithJarSignerAPI(String jarName)
        throws Throwable {
    // Get JarSigner
    try (FileInputStream fis = new FileInputStream(KEYSTORE)) {
            KeyStore ks = KeyStore.getInstance("JKS");
            ks.load(fis, STOREPASS.toCharArray());
            PrivateKey pk = (PrivateKey)ks.getKey(ALIAS, KEYPASS.toCharArray());
            Certificate cert = ks.getCertificate(ALIAS);
            JarSigner signer = new JarSigner.Builder(pk,
                    CertificateFactory.getInstance("X.509").generateCertPath(
                            Collections.singletonList(cert)))
                    .build();
        // Sign jar
        try (ZipFile src = new JarFile(jarName);
                FileOutputStream out = new FileOutputStream(SIGNED_JAR)) {
            signer.sign(src,out);
        }
    }
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
/**
 * Assigns the given key (that has already been protected) to the given
 * alias.
 *
 * <p>If the protected key is of type
 * <code>java.security.PrivateKey</code>,
 * it must be accompanied by a certificate chain certifying the
 * corresponding public key.
 *
 * <p>If the given alias already exists, the keystore information
 * associated with it is overridden by the given key (and possibly
 * certificate chain).
 *
 * @param alias the alias name
 * @param key the key (in protected format) to be associated with the alias
 * @param chain the certificate chain for the corresponding public
 * key (only useful if the protected key is of type
 * <code>java.security.PrivateKey</code>).
 *
 * @exception KeyStoreException if this operation fails.
 */
public void engineSetKeyEntry(String alias, byte[] key,
                              Certificate[] chain)
    throws KeyStoreException
{
    synchronized(entries) {
        // We assume it's a private key, because there is no standard
        // (ASN.1) encoding format for wrapped secret keys
        PrivateKeyEntry entry = new PrivateKeyEntry();
        entry.date = new Date();

        entry.protectedKey = key.clone();
        if ((chain != null) &&
            (chain.length != 0)) {
            entry.chain = chain.clone();
        } else {
            entry.chain = null;
        }

        entries.put(alias.toLowerCase(Locale.ENGLISH), entry);
    }
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
private Certificate[] tryParsePKIPathChain(File chainFile)
        throws IOException, FileNotFoundException, CertificateException {

    Certificate[] internalCertificateChain = null;
    CertificateFactory cf = CertificateFactory.getInstance("X.509");

    try (FileInputStream inputStream = new FileInputStream(chainFile)) {
        CertPath certPath = cf.generateCertPath(inputStream);
        List<? extends Certificate> certList = certPath.getCertificates();
        internalCertificateChain = certList.toArray(new Certificate[]{});
    } catch (CertificateException e){
        LOG.info("Tried and failed to parse file as a PKI :" + chainFile.getName(), e);
    }

    return internalCertificateChain;
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
private List<Certificate> readCertificateList(BufferedSource source) throws IOException {
  int length = readInt(source);
  if (length == -1) return Collections.emptyList(); // OkHttp v1.2 used -1 to indicate null.

  try {
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    List<Certificate> result = new ArrayList<>(length);
    for (int i = 0; i < length; i++) {
      String line = source.readUtf8LineStrict();
      Buffer bytes = new Buffer();
      bytes.write(ByteString.decodeBase64(line));
      result.add(certificateFactory.generateCertificate(bytes.inputStream()));
    }
    return result;
  } catch (CertificateException e) {
    throw new IOException(e.getMessage());
  }
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
@Override
public void checkServerTrusted(final X509Certificate[] chain, final String authType) throws CertificateException {

    final boolean trusted = this.trustManagers.stream().anyMatch(trustManager -> {
        try {
            trustManager.checkServerTrusted(chain, authType);
            return true;
        } catch (final CertificateException e) {
            final String msg = "Unable to trust the server certificates [%s] for auth type [%s]: [%s]";
            LOGGER.debug(String.format(msg, Arrays.stream(chain).map(Certificate::toString).collect(Collectors.toSet()),
                    authType, e.getMessage()), e);
            return false;
        }
    });
    if (!trusted) {
        throw new CertificateException("None of the TrustManagers trust this certificate chain");
    }
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
public static Handshake get(SSLSession session) {
  String cipherSuiteString = session.getCipherSuite();
  if (cipherSuiteString == null) throw new IllegalStateException("cipherSuite == null");
  CipherSuite cipherSuite = CipherSuite.forJavaName(cipherSuiteString);

  String tlsVersionString = session.getProtocol();
  if (tlsVersionString == null) throw new IllegalStateException("tlsVersion == null");
  TlsVersion tlsVersion = TlsVersion.forJavaName(tlsVersionString);

  Certificate[] peerCertificates;
  try {
    peerCertificates = session.getPeerCertificates();
  } catch (SSLPeerUnverifiedException ignored) {
    peerCertificates = null;
  }
  List<Certificate> peerCertificatesList = peerCertificates != null
      ? Util.immutableList(peerCertificates)
      : Collections.<Certificate>emptyList();

  Certificate[] localCertificates = session.getLocalCertificates();
  List<Certificate> localCertificatesList = localCertificates != null
      ? Util.immutableList(localCertificates)
      : Collections.<Certificate>emptyList();

  return new Handshake(tlsVersion, cipherSuite, peerCertificatesList, localCertificatesList);
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
@Override
public byte[] sign(final byte[] data,
		           final String algorithm,
		           final PrivateKey key,
		           final Certificate[] certChain,
		           final Properties xParams) throws AOException {
	return triPhaseOperation(
		this.signFormat,
		CRYPTO_OPERATION_SIGN,
		data,
		algorithm,
		key,
		certChain,
		xParams
	);
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
/**
 * Returns the certificate associated with the given alias.
 *
 * <p>If the given alias name identifies a
 * <i>trusted certificate entry</i>, the certificate associated with that
 * entry is returned. If the given alias name identifies a
 * <i>key entry</i>, the first element of the certificate chain of that
 * entry is returned, or null if that entry does not have a certificate
 * chain.
 *
 * @param alias the alias name
 *
 * @return the certificate, or null if the given alias does not exist or
 * does not contain a certificate.
 */
public Certificate engineGetCertificate(String alias) {
    Object entry = entries.get(convertAlias(alias));

    if (entry != null) {
        if (entry instanceof TrustedCertEntry) {
            return ((TrustedCertEntry)entry).cert;
        } else {
            if (((KeyEntry)entry).chain == null) {
                return null;
            } else {
                return ((KeyEntry)entry).chain[0];
            }
        }
    } else {
        return null;
    }
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
@Test
public void testCertOnly() throws Exception {
    InputStream in = new FileInputStream("src/test/resources/pem/cert.pem");
    PemCertKey t = new PemCertKey(in);

    Certificate cert = t.getCertificate();
    assertThat(cert).isNotNull();
    assertThat(cert.getType()).isEqualTo("X.509");

    assertThat(t.hasCertificate()).isTrue();
    assertThat(t.getCertificateChain()).hasSize(1);
    assertThat(t.getCertificateChain()[0]).isEqualTo(cert);

    assertThat(t.matchesCertificate(cert)).isTrue();
    assertThat(t.matchesCertificate(null)).isFalse();

    assertThat(t.hasKey()).isFalse();
    assertThat(t.getPrivateKey()).isNull();

    assertThat(t.getCreationDate()).isCloseTo(new Date(), 5000);
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
X509Certificate getTsaCert(String alias) {

        java.security.cert.Certificate cs = null;

        try {
            cs = store.getCertificate(alias);
        } catch (KeyStoreException kse) {
            // this never happens, because keystore has been loaded
        }
        if (cs == null || (!(cs instanceof X509Certificate))) {
            MessageFormat form = new MessageFormat(rb.getString
                ("Certificate.not.found.for.alias.alias.must.reference.a.valid.KeyStore.entry.containing.an.X.509.public.key.certificate.for.the"));
            Object[] source = {alias, alias};
            error(form.format(source));
        }
        return (X509Certificate) cs;
    }
 

import java.security.cert.Certificate; //導入依賴的package包/類
/**
 * Returns the principal that was sent to the peer during handshaking.
 *
 * @return the principal sent to the peer. Returns an X500Principal
 * of the end-entity certificate for X509-based cipher suites, and
 * KerberosPrincipal for Kerberos cipher suites. If no principal was
 * sent, then null is returned.
 *
 * @see #getLocalCertificates()
 * @see #getPeerPrincipal()
 *
 * @since 1.5
 */
public Principal getLocalPrincipal()
{
    Principal principal;
    try {
        principal = session.getLocalPrincipal();
    } catch (AbstractMethodError e) {
        principal = null;
        // if the provider does not support it, fallback to local certs.
        // return the X500Principal of the end-entity cert.
        Certificate[] certs = getLocalCertificates();
        if (certs != null) {
            principal =
                    ((X509Certificate)certs[0]).getSubjectX500Principal();
        }
    }
    return principal;
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
private void compareKeyEntry(KeyStore a, KeyStore b, String aPass,
        String bPass, String alias) throws KeyStoreException,
        UnrecoverableKeyException, NoSuchAlgorithmException {
    Certificate[] certsA = a.getCertificateChain(alias);
    Certificate[] certsB = b.getCertificateChain(alias);

    if (!Arrays.equals(certsA, certsB)) {
        throw new RuntimeException("Certs don't match for alias:" + alias);
    }

    Key keyA = a.getKey(alias, aPass.toCharArray());
    Key keyB = b.getKey(alias, bPass.toCharArray());

    if (!keyA.equals(keyB)) {
        throw new RuntimeException(
                "Key don't match for alias:" + alias);
    }
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
/**
 * Returns the (alias) name of the first keystore entry whose certificate
 * matches the given certificate.
 *
 * <p>This method attempts to match the given certificate with each
 * keystore entry. If the entry being considered
 * is a <i>trusted certificate entry</i>, the given certificate is
 * compared to that entry's certificate. If the entry being considered is
 * a <i>key entry</i>, the given certificate is compared to the first
 * element of that entry's certificate chain (if a chain exists).
 *
 * @param cert the certificate to match with.
 *
 * @return the (alias) name of the first entry with matching certificate,
 * or null if no such entry exists in this keystore.
 */
public String engineGetCertificateAlias(Certificate cert) {
    Certificate certElem;

    for (Enumeration<String> e = entries.keys(); e.hasMoreElements(); ) {
        String alias = e.nextElement();
        Object entry = entries.get(alias);
        if (entry instanceof TrustedCertEntry) {
            certElem = ((TrustedCertEntry)entry).cert;
        } else if (((KeyEntry)entry).chain != null) {
            certElem = ((KeyEntry)entry).chain[0];
        } else {
            continue;
        }
        if (certElem.equals(cert)) {
            return alias;
        }
    }
    return null;
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
@Test public void matchingPinnedCertificate() throws Exception {
  enableTls();
  server.enqueue(new MockResponse());
  server.enqueue(new MockResponse());

  // Make a first request without certificate pinning. Use it to collect certificates to pin.
  Request request1 = new Request.Builder().url(server.url("/")).build();
  Response response1 = client.newCall(request1).execute();
  CertificatePinner.Builder certificatePinnerBuilder = new CertificatePinner.Builder();
  for (Certificate certificate : response1.handshake().peerCertificates()) {
    certificatePinnerBuilder.add(server.getHostName(), CertificatePinner.pin(certificate));
  }
  response1.body().close();

  // Make another request with certificate pinning. It should complete normally.
  client = client.newBuilder()
      .certificatePinner(certificatePinnerBuilder.build())
      .build();
  Request request2 = new Request.Builder().url(server.url("/")).build();
  Response response2 = client.newCall(request2).execute();
  assertNotSame(response2.handshake(), response1.handshake());
  response2.body().close();
}
 

import java.security.cert.Certificate; //導入依賴的package包/類
/**
 * Returns the (alias) name of the first keystore entry whose certificate
 * matches the given certificate.
 *
 * <p>This method attempts to match the given certificate with each
 * keystore entry. If the entry being considered
 * is a <i>trusted certificate entry</i>, the given certificate is
 * compared to that entry's certificate. If the entry being considered is
 * a <i>key entry</i>, the given certificate is compared to the first
 * element of that entry's certificate chain (if a chain exists).
 *
 * @param cert the certificate to match with.
 *
 * @return the (alias) name of the first entry with matching certificate,
 * or null if no such entry exists in this keystore.
 */
public String engineGetCertificateAlias(Certificate cert) {

    try {

        String alias = null;
        for (KeyStore keystore : keystores.values()) {
            if ((alias = keystore.getCertificateAlias(cert)) != null) {
                break;
            }
        }
        return alias;

    } catch (KeyStoreException e) {
        throw new IllegalStateException(e);
    }
}