| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.java.security; |
| |
| import com.android.org.bouncycastle.asn1.DEROctetString; |
| import com.android.org.bouncycastle.asn1.x509.BasicConstraints; |
| import com.android.org.bouncycastle.asn1.x509.GeneralName; |
| import com.android.org.bouncycastle.asn1.x509.GeneralNames; |
| import com.android.org.bouncycastle.asn1.x509.GeneralSubtree; |
| import com.android.org.bouncycastle.asn1.x509.KeyUsage; |
| import com.android.org.bouncycastle.asn1.x509.NameConstraints; |
| import com.android.org.bouncycastle.asn1.x509.X509Extensions; |
| import com.android.org.bouncycastle.jce.provider.BouncyCastleProvider; |
| import com.android.org.bouncycastle.x509.X509V3CertificateGenerator; |
| import java.io.ByteArrayInputStream; |
| import java.io.PrintStream; |
| import java.math.BigInteger; |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.security.KeyFactory; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.KeyStore; |
| import java.security.KeyStore.PasswordProtection; |
| import java.security.KeyStore.PrivateKeyEntry; |
| import java.security.KeyStore.TrustedCertificateEntry; |
| import java.security.KeyStoreException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.Principal; |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.security.SecureRandom; |
| import java.security.Security; |
| import java.security.UnrecoverableKeyException; |
| import java.security.cert.Certificate; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.X509Certificate; |
| import java.security.interfaces.ECPrivateKey; |
| import java.security.spec.PKCS8EncodedKeySpec; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Vector; |
| import javax.net.ssl.KeyManager; |
| import javax.net.ssl.KeyManagerFactory; |
| import javax.net.ssl.TrustManager; |
| import javax.net.ssl.TrustManagerFactory; |
| import javax.security.auth.x500.X500Principal; |
| import junit.framework.Assert; |
| import libcore.javax.net.ssl.TestKeyManager; |
| import libcore.javax.net.ssl.TestTrustManager; |
| |
| /** |
| * TestKeyStore is a convenience class for other tests that |
| * want a canned KeyStore with a variety of key pairs. |
| * |
| * Creating a key store is relatively slow, so a singleton instance is |
| * accessible via TestKeyStore.get(). |
| */ |
| public final class TestKeyStore extends Assert { |
| |
| private static TestKeyStore ROOT_CA; |
| |
| private static TestKeyStore SERVER; |
| private static TestKeyStore CLIENT; |
| private static TestKeyStore CLIENT_CERTIFICATE; |
| |
| private static TestKeyStore CLIENT_2; |
| |
| static { |
| if (StandardNames.IS_RI) { |
| // Needed to create BKS keystore but add at end so most |
| // algorithm come from the default providers |
| Security.insertProviderAt(new BouncyCastleProvider(), |
| Security.getProviders().length+1); |
| } |
| } |
| |
| private static final boolean TEST_MANAGERS = true; |
| |
| public final KeyStore keyStore; |
| public final char[] storePassword; |
| public final char[] keyPassword; |
| public final KeyManager[] keyManagers; |
| public final TrustManager[] trustManagers; |
| public final TestKeyManager keyManager; |
| public final TestTrustManager trustManager; |
| |
| private TestKeyStore(KeyStore keyStore, char[] storePassword, char[] keyPassword) { |
| this.keyStore = keyStore; |
| this.storePassword = storePassword; |
| this.keyPassword = keyPassword; |
| this.keyManagers = createKeyManagers(keyStore, storePassword); |
| this.trustManagers = createTrustManagers(keyStore); |
| this.keyManager = (TestKeyManager)keyManagers[0]; |
| this.trustManager = (TestTrustManager)trustManagers[0]; |
| } |
| |
| public static KeyManager[] createKeyManagers(KeyStore keyStore, char[] storePassword) { |
| try { |
| String kmfa = KeyManagerFactory.getDefaultAlgorithm(); |
| KeyManagerFactory kmf = KeyManagerFactory.getInstance(kmfa); |
| kmf.init(keyStore, storePassword); |
| return TestKeyManager.wrap(kmf.getKeyManagers()); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static TrustManager[] createTrustManagers(final KeyStore keyStore) { |
| try { |
| String tmfa = TrustManagerFactory.getDefaultAlgorithm(); |
| TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfa); |
| tmf.init(keyStore); |
| return TestTrustManager.wrap(tmf.getTrustManagers()); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Lazily create shared test certificates. |
| */ |
| private static synchronized void initCerts() { |
| if (ROOT_CA != null) { |
| return; |
| } |
| ROOT_CA = new Builder() |
| .aliasPrefix("RootCA") |
| .subject("CN=Test Root Certificate Authority") |
| .ca(true) |
| .build(); |
| TestKeyStore intermediateCa = new Builder() |
| .aliasPrefix("IntermediateCA") |
| .subject("CN=Test Intermediate Certificate Authority") |
| .ca(true) |
| .signer(ROOT_CA.getPrivateKey("RSA", "RSA")) |
| .rootCa(ROOT_CA.getRootCertificate("RSA")) |
| .build(); |
| SERVER = new Builder() |
| .aliasPrefix("server") |
| .signer(intermediateCa.getPrivateKey("RSA", "RSA")) |
| .rootCa(intermediateCa.getRootCertificate("RSA")) |
| .build(); |
| CLIENT = new TestKeyStore(createClient(intermediateCa.keyStore), null, null); |
| CLIENT_CERTIFICATE = new Builder() |
| .aliasPrefix("client") |
| .subject("emailAddress=test@user") |
| .signer(intermediateCa.getPrivateKey("RSA", "RSA")) |
| .rootCa(intermediateCa.getRootCertificate("RSA")) |
| .build(); |
| TestKeyStore rootCa2 = new Builder() |
| .aliasPrefix("RootCA2") |
| .subject("CN=Test Root Certificate Authority 2") |
| .ca(true) |
| .build(); |
| CLIENT_2 = new TestKeyStore(createClient(rootCa2.keyStore), null, null); |
| } |
| |
| /** |
| * Return a server keystore with a matched RSA certificate and |
| * private key as well as a CA certificate. |
| */ |
| public static TestKeyStore getServer() { |
| initCerts(); |
| return SERVER; |
| } |
| |
| /** |
| * Return a keystore with a CA certificate |
| */ |
| public static TestKeyStore getClient() { |
| initCerts(); |
| return CLIENT; |
| } |
| |
| /** |
| * Return a client keystore with a matched RSA certificate and |
| * private key as well as a CA certificate. |
| */ |
| public static TestKeyStore getClientCertificate() { |
| initCerts(); |
| return CLIENT_CERTIFICATE; |
| } |
| |
| /** |
| * Return a keystore with a second CA certificate that does not |
| * trust the server certificate returned by getServer for negative |
| * testing. |
| */ |
| public static TestKeyStore getClientCA2() { |
| initCerts(); |
| return CLIENT_2; |
| } |
| |
| /** |
| * Creates KeyStores containing the requested key types. Since key |
| * generation can be expensive, most tests should reuse the RSA-only |
| * singleton instance returned by TestKeyStore.get. |
| */ |
| public static class Builder { |
| private String[] keyAlgorithms = { "RSA" }; |
| private char[] storePassword; |
| private char[] keyPassword; |
| private String aliasPrefix; |
| private X500Principal subject; |
| private int keyUsage; |
| private boolean ca; |
| private PrivateKeyEntry signer; |
| private Certificate rootCa; |
| private final List<GeneralName> subjectAltNames = new ArrayList<GeneralName>(); |
| private final Vector<GeneralSubtree> permittedNameConstraints |
| = new Vector<GeneralSubtree>(); |
| private final Vector<GeneralSubtree> excludedNameConstraints = new Vector<GeneralSubtree>(); |
| |
| public Builder() { |
| subject = localhost(); |
| } |
| |
| /** |
| * Sets the requested key types to generate and include. The default is |
| * RSA only. |
| */ |
| public Builder keyAlgorithms(String... keyAlgorithms) { |
| this.keyAlgorithms = keyAlgorithms; |
| return this; |
| } |
| |
| /** A unique prefix to identify the key aliases */ |
| public Builder aliasPrefix(String aliasPrefix) { |
| this.aliasPrefix = aliasPrefix; |
| return this; |
| } |
| |
| /** |
| * Sets the subject common name. The default is the local host's |
| * canonical name. |
| */ |
| public Builder subject(X500Principal subject) { |
| this.subject = subject; |
| return this; |
| } |
| |
| public Builder subject(String commonName) { |
| return subject(new X500Principal(commonName)); |
| } |
| |
| /** {@link KeyUsage} bit mask for 2.5.29.15 extension */ |
| public Builder keyUsage(int keyUsage) { |
| this.keyUsage = keyUsage; |
| return this; |
| } |
| |
| /** true If the keys being created are for a CA */ |
| public Builder ca(boolean ca) { |
| this.ca = ca; |
| return this; |
| } |
| |
| /** a private key entry to be used for signing, otherwise self-sign */ |
| public Builder signer(PrivateKeyEntry signer) { |
| this.signer = signer; |
| return this; |
| } |
| |
| /** a root CA to include in the final store */ |
| public Builder rootCa(Certificate rootCa) { |
| this.rootCa = rootCa; |
| return this; |
| } |
| |
| private Builder addSubjectAltName(GeneralName generalName) { |
| subjectAltNames.add(generalName); |
| return this; |
| } |
| |
| public Builder addSubjectAltNameIpAddress(byte[] ipAddress) { |
| return addSubjectAltName( |
| new GeneralName(GeneralName.iPAddress, new DEROctetString(ipAddress))); |
| } |
| |
| private Builder addNameConstraint(boolean permitted, GeneralName generalName) { |
| if (permitted) { |
| permittedNameConstraints.add(new GeneralSubtree(generalName)); |
| } else { |
| excludedNameConstraints.add(new GeneralSubtree(generalName)); |
| } |
| return this; |
| } |
| |
| public Builder addNameConstraint(boolean permitted, byte[] ipAddress) { |
| return addNameConstraint(permitted, |
| new GeneralName(GeneralName.iPAddress, new DEROctetString(ipAddress))); |
| } |
| |
| public TestKeyStore build() { |
| try { |
| if (StandardNames.IS_RI) { |
| // JKS does not allow null password |
| if (storePassword == null) { |
| storePassword = "password".toCharArray(); |
| } |
| if (keyPassword == null) { |
| keyPassword = "password".toCharArray(); |
| } |
| } |
| |
| KeyStore keyStore = createKeyStore(); |
| for (String keyAlgorithm : keyAlgorithms) { |
| String publicAlias = aliasPrefix + "-public-" + keyAlgorithm; |
| String privateAlias = aliasPrefix + "-private-" + keyAlgorithm; |
| if (keyAlgorithm.equals("EC_RSA") && signer == null && rootCa == null) { |
| createKeys(keyStore, keyAlgorithm, publicAlias, privateAlias, |
| privateKey(keyStore, keyPassword, "RSA", "RSA")); |
| continue; |
| } |
| createKeys(keyStore, keyAlgorithm, publicAlias, privateAlias, signer); |
| } |
| if (rootCa != null) { |
| keyStore.setCertificateEntry(aliasPrefix |
| + "-root-ca-" |
| + rootCa.getPublicKey().getAlgorithm(), |
| rootCa); |
| } |
| return new TestKeyStore(keyStore, storePassword, keyPassword); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Add newly generated keys of a given key type to an existing |
| * KeyStore. The PrivateKey will be stored under the specified |
| * private alias name. The X509Certificate will be stored on the |
| * public alias name and have the given subject distinguished |
| * name. |
| * |
| * If a CA is provided, it will be used to sign the generated |
| * certificate. Otherwise, the certificate will be self |
| * signed. The certificate will be valid for one day before and |
| * one day after the time of creation. |
| * |
| * Based on: |
| * org.bouncycastle.jce.provider.test.SigTest |
| * org.bouncycastle.jce.provider.test.CertTest |
| */ |
| private KeyStore createKeys(KeyStore keyStore, |
| String keyAlgorithm, |
| String publicAlias, |
| String privateAlias, |
| PrivateKeyEntry signer) throws Exception { |
| PrivateKey caKey; |
| X509Certificate caCert; |
| X509Certificate[] caCertChain; |
| if (signer == null) { |
| caKey = null; |
| caCert = null; |
| caCertChain = null; |
| } else { |
| caKey = signer.getPrivateKey(); |
| caCert = (X509Certificate)signer.getCertificate(); |
| caCertChain = (X509Certificate[])signer.getCertificateChain(); |
| } |
| |
| PrivateKey privateKey; |
| X509Certificate x509c; |
| if (publicAlias == null && privateAlias == null) { |
| // don't want anything apparently |
| privateKey = null; |
| x509c = null; |
| } else { |
| // 1.) we make the keys |
| int keySize; |
| if (keyAlgorithm.equals("RSA")) { |
| keySize = StandardNames.IS_RI ? 1024 : 512; // 512 breaks SSL_RSA_EXPORT_* on RI |
| } else if (keyAlgorithm.equals("DSA")) { |
| keySize = 512; |
| } else if (keyAlgorithm.equals("EC")) { |
| keySize = 256; |
| } else if (keyAlgorithm.equals("EC_RSA")) { |
| keySize = 256; |
| keyAlgorithm = "EC"; |
| } else { |
| throw new IllegalArgumentException("Unknown key algorithm " + keyAlgorithm); |
| } |
| |
| KeyPairGenerator kpg = KeyPairGenerator.getInstance(keyAlgorithm); |
| kpg.initialize(keySize, new SecureRandom()); |
| |
| KeyPair kp = kpg.generateKeyPair(); |
| privateKey = kp.getPrivate(); |
| PublicKey publicKey = kp.getPublic(); |
| |
| // 2.) use keys to make certificate |
| X500Principal issuer = ((caCert != null) |
| ? caCert.getSubjectX500Principal() |
| : subject); |
| PrivateKey signingKey = (caKey == null) ? privateKey : caKey; |
| x509c = createCertificate(publicKey, signingKey, subject, issuer, keyUsage, ca, |
| subjectAltNames, |
| permittedNameConstraints, excludedNameConstraints); |
| } |
| |
| X509Certificate[] x509cc; |
| if (privateAlias == null) { |
| // don't need certificate chain |
| x509cc = null; |
| } else if (caCertChain == null) { |
| x509cc = new X509Certificate[] { x509c }; |
| } else { |
| x509cc = new X509Certificate[caCertChain.length+1]; |
| x509cc[0] = x509c; |
| System.arraycopy(caCertChain, 0, x509cc, 1, caCertChain.length); |
| } |
| |
| // 3.) put certificate and private key into the key store |
| if (privateAlias != null) { |
| keyStore.setKeyEntry(privateAlias, privateKey, keyPassword, x509cc); |
| } |
| if (publicAlias != null) { |
| keyStore.setCertificateEntry(publicAlias, x509c); |
| } |
| return keyStore; |
| } |
| |
| private X500Principal localhost() { |
| try { |
| return new X500Principal("CN=" + InetAddress.getLocalHost().getHostName()); |
| } catch (UnknownHostException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| public static X509Certificate createCa(PublicKey publicKey, |
| PrivateKey privateKey, |
| String subject) { |
| try { |
| X500Principal principal = new X500Principal(subject); |
| return createCertificate(publicKey, privateKey, |
| principal, principal, |
| 0, true, |
| new Vector<GeneralName>(), |
| new Vector<GeneralSubtree>(), |
| new Vector<GeneralSubtree>()); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static X509Certificate createCertificate( |
| PublicKey publicKey, |
| PrivateKey privateKey, |
| X500Principal subject, |
| X500Principal issuer, |
| int keyUsage, |
| boolean ca, |
| List<GeneralName> subjectAltNames, |
| Vector<GeneralSubtree> permittedNameConstraints, |
| Vector<GeneralSubtree> excludedNameConstraints) throws Exception { |
| // Note that there is no way to programmatically make a |
| // Certificate using java.* or javax.* APIs. The |
| // CertificateFactory interface assumes you want to read |
| // in a stream of bytes, typically the X.509 factory would |
| // allow ASN.1 DER encoded bytes and optionally some PEM |
| // formats. Here we use Bouncy Castle's |
| // X509V3CertificateGenerator and related classes. |
| |
| long millisPerDay = 24 * 60 * 60 * 1000; |
| long now = System.currentTimeMillis(); |
| Date start = new Date(now - millisPerDay); |
| Date end = new Date(now + millisPerDay); |
| BigInteger serial = BigInteger.valueOf(1); |
| |
| String keyAlgorithm = privateKey.getAlgorithm(); |
| String signatureAlgorithm; |
| if (keyAlgorithm.equals("RSA")) { |
| signatureAlgorithm = "sha1WithRSA"; |
| } else if (keyAlgorithm.equals("DSA")) { |
| signatureAlgorithm = "sha1WithDSA"; |
| } else if (keyAlgorithm.equals("EC")) { |
| signatureAlgorithm = "sha1WithECDSA"; |
| } else if (keyAlgorithm.equals("EC_RSA")) { |
| signatureAlgorithm = "sha1WithRSA"; |
| } else { |
| throw new IllegalArgumentException("Unknown key algorithm " + keyAlgorithm); |
| } |
| |
| X509V3CertificateGenerator x509cg = new X509V3CertificateGenerator(); |
| x509cg.setSubjectDN(subject); |
| x509cg.setIssuerDN(issuer); |
| x509cg.setNotBefore(start); |
| x509cg.setNotAfter(end); |
| x509cg.setPublicKey(publicKey); |
| x509cg.setSignatureAlgorithm(signatureAlgorithm); |
| x509cg.setSerialNumber(serial); |
| if (keyUsage != 0) { |
| x509cg.addExtension(X509Extensions.KeyUsage, |
| true, |
| new KeyUsage(keyUsage)); |
| } |
| if (ca) { |
| x509cg.addExtension(X509Extensions.BasicConstraints, |
| true, |
| new BasicConstraints(true)); |
| } |
| for (GeneralName subjectAltName : subjectAltNames) { |
| x509cg.addExtension(X509Extensions.SubjectAlternativeName, |
| false, |
| new GeneralNames(subjectAltName).getEncoded()); |
| } |
| if (!permittedNameConstraints.isEmpty() || !excludedNameConstraints.isEmpty()) { |
| x509cg.addExtension(X509Extensions.NameConstraints, |
| true, |
| new NameConstraints(permittedNameConstraints, |
| excludedNameConstraints)); |
| } |
| |
| if (privateKey instanceof ECPrivateKey) { |
| /* |
| * bouncycastle needs its own ECPrivateKey implementation |
| */ |
| KeyFactory kf = KeyFactory.getInstance(keyAlgorithm, "BC"); |
| PKCS8EncodedKeySpec ks = new PKCS8EncodedKeySpec(privateKey.getEncoded()); |
| privateKey = kf.generatePrivate(ks); |
| } |
| X509Certificate x509c = x509cg.generateX509Certificate(privateKey); |
| if (StandardNames.IS_RI) { |
| /* |
| * The RI can't handle the BC EC signature algorithm |
| * string of "ECDSA", since it expects "...WITHEC...", |
| * so convert from BC to RI X509Certificate |
| * implementation via bytes. |
| */ |
| CertificateFactory cf = CertificateFactory.getInstance("X.509"); |
| ByteArrayInputStream bais = new ByteArrayInputStream(x509c.getEncoded()); |
| Certificate c = cf.generateCertificate(bais); |
| x509c = (X509Certificate) c; |
| } |
| return x509c; |
| } |
| |
| /** |
| * Return the key algorithm for a possible compound algorithm |
| * identifier containing an underscore. If not underscore is |
| * present, the argument is returned unmodified. However for an |
| * algorithm such as EC_RSA, return EC. |
| */ |
| public static String keyAlgorithm(String algorithm) { |
| int index = algorithm.indexOf('_'); |
| if (index == -1) { |
| return algorithm; |
| } |
| return algorithm.substring(0, index); |
| } |
| |
| |
| /** |
| * Return the signature algorithm for a possible compound |
| * algorithm identifier containing an underscore. If not |
| * underscore is present, the argument is returned |
| * unmodified. However for an algorithm such as EC_RSA, return |
| * RSA. |
| */ |
| public static String signatureAlgorithm(String algorithm) { |
| int index = algorithm.indexOf('_'); |
| if (index == -1) { |
| return algorithm; |
| } |
| return algorithm.substring(index+1, algorithm.length()); |
| } |
| |
| /** |
| * Create an empty KeyStore |
| * |
| * The KeyStore is optionally password protected by the |
| * keyStorePassword argument, which can be null if a password is |
| * not desired. |
| */ |
| public static KeyStore createKeyStore() { |
| try { |
| KeyStore keyStore = KeyStore.getInstance(StandardNames.KEY_STORE_ALGORITHM); |
| keyStore.load(null, null); |
| return keyStore; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Return the only private key in a TestKeyStore for the given |
| * algorithms. Throws IllegalStateException if there are are more |
| * or less than one. |
| */ |
| public PrivateKeyEntry getPrivateKey(String keyAlgorithm, String signatureAlgorithm) { |
| return privateKey(keyStore, keyPassword, keyAlgorithm, signatureAlgorithm); |
| } |
| |
| /** |
| * Return the only private key in a keystore for the given |
| * algorithms. Throws IllegalStateException if there are are more |
| * or less than one. |
| */ |
| public static PrivateKeyEntry privateKey(KeyStore keyStore, char[] keyPassword, |
| String keyAlgorithm, String signatureAlgorithm) { |
| try { |
| PrivateKeyEntry found = null; |
| PasswordProtection password = new PasswordProtection(keyPassword); |
| for (String alias : Collections.list(keyStore.aliases())) { |
| if (!keyStore.entryInstanceOf(alias, PrivateKeyEntry.class)) { |
| continue; |
| } |
| PrivateKeyEntry privateKey = (PrivateKeyEntry) keyStore.getEntry(alias, password); |
| if (!privateKey.getPrivateKey().getAlgorithm().equals(keyAlgorithm)) { |
| continue; |
| } |
| X509Certificate certificate = (X509Certificate) privateKey.getCertificate(); |
| if (!certificate.getSigAlgName().contains(signatureAlgorithm)) { |
| continue; |
| } |
| if (found != null) { |
| throw new IllegalStateException("KeyStore has more than one private key for " |
| + " keyAlgorithm: " + keyAlgorithm |
| + " signatureAlgorithm: " + signatureAlgorithm |
| + "\nfirst: " + found.getPrivateKey() |
| + "\nsecond: " + privateKey.getPrivateKey() ); |
| } |
| found = privateKey; |
| } |
| if (found == null) { |
| throw new IllegalStateException("KeyStore contained no private key for " |
| + " keyAlgorithm: " + keyAlgorithm |
| + " signatureAlgorithm: " + signatureAlgorithm); |
| } |
| return found; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Return the issuing CA certificate of the given |
| * certificate. Throws IllegalStateException if there are are more |
| * or less than one. |
| */ |
| public Certificate getIssuer(Certificate cert) throws Exception { |
| return issuer(keyStore, cert); |
| } |
| |
| /** |
| * Return the issuing CA certificate of the given |
| * certificate. Throws IllegalStateException if there are are more |
| * or less than one. |
| */ |
| public static Certificate issuer(KeyStore keyStore, Certificate c) |
| throws Exception { |
| if (!(c instanceof X509Certificate)) { |
| throw new IllegalStateException("issuer requires an X509Certificate, found " + c); |
| } |
| X509Certificate cert = (X509Certificate) c; |
| |
| Certificate found = null; |
| for (String alias : Collections.list(keyStore.aliases())) { |
| if (!keyStore.entryInstanceOf(alias, TrustedCertificateEntry.class)) { |
| continue; |
| } |
| TrustedCertificateEntry certificateEntry = |
| (TrustedCertificateEntry) keyStore.getEntry(alias, null); |
| Certificate certificate = certificateEntry.getTrustedCertificate(); |
| if (!(certificate instanceof X509Certificate)) { |
| continue; |
| } |
| X509Certificate x = (X509Certificate) certificate; |
| if (!cert.getIssuerDN().equals(x.getSubjectDN())) { |
| continue; |
| } |
| if (found != null) { |
| throw new IllegalStateException("KeyStore has more than one issuing CA for " |
| + cert |
| + "\nfirst: " + found |
| + "\nsecond: " + certificate ); |
| } |
| found = certificate; |
| } |
| if (found == null) { |
| throw new IllegalStateException("KeyStore contained no issuing CA for " + cert); |
| } |
| return found; |
| } |
| |
| /** |
| * Return the only self-signed root certificate in a TestKeyStore |
| * for the given algorithm. Throws IllegalStateException if there |
| * are are more or less than one. |
| */ |
| public X509Certificate getRootCertificate(String algorithm) { |
| return rootCertificate(keyStore, algorithm); |
| } |
| |
| /** |
| * Return the only self-signed root certificate in a keystore for |
| * the given algorithm. Throws IllegalStateException if there are |
| * are more or less than one. |
| */ |
| public static X509Certificate rootCertificate(KeyStore keyStore, String algorithm) { |
| try { |
| X509Certificate found = null; |
| for (String alias : Collections.list(keyStore.aliases())) { |
| if (!keyStore.entryInstanceOf(alias, TrustedCertificateEntry.class)) { |
| continue; |
| } |
| TrustedCertificateEntry certificateEntry = |
| (TrustedCertificateEntry) keyStore.getEntry(alias, null); |
| Certificate certificate = certificateEntry.getTrustedCertificate(); |
| if (!certificate.getPublicKey().getAlgorithm().equals(algorithm)) { |
| continue; |
| } |
| if (!(certificate instanceof X509Certificate)) { |
| continue; |
| } |
| X509Certificate x = (X509Certificate) certificate; |
| if (!x.getIssuerDN().equals(x.getSubjectDN())) { |
| continue; |
| } |
| if (found != null) { |
| throw new IllegalStateException("KeyStore has more than one root CA for " |
| + algorithm |
| + "\nfirst: " + found |
| + "\nsecond: " + certificate ); |
| } |
| found = x; |
| } |
| if (found == null) { |
| throw new IllegalStateException("KeyStore contained no root CA for " + algorithm); |
| } |
| return found; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Create a client key store that only contains self-signed certificates but no private keys |
| */ |
| public static KeyStore createClient(KeyStore caKeyStore) { |
| KeyStore clientKeyStore = createKeyStore(); |
| copySelfSignedCertificates(clientKeyStore, caKeyStore); |
| return clientKeyStore; |
| } |
| |
| /** |
| * Copy self-signed certificates from one key store to another. |
| * Returns true if successful, false if no match found. |
| */ |
| public static boolean copySelfSignedCertificates(KeyStore dst, KeyStore src) { |
| try { |
| boolean copied = false; |
| for (String alias : Collections.list(src.aliases())) { |
| if (!src.isCertificateEntry(alias)) { |
| continue; |
| } |
| X509Certificate cert = (X509Certificate)src.getCertificate(alias); |
| if (!cert.getSubjectDN().equals(cert.getIssuerDN())) { |
| continue; |
| } |
| dst.setCertificateEntry(alias, cert); |
| copied = true; |
| } |
| return copied; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Copy named certificates from one key store to another. |
| * Returns true if successful, false if no match found. |
| */ |
| public static boolean copyCertificate(Principal subject, KeyStore dst, KeyStore src) |
| throws Exception { |
| for (String alias : Collections.list(src.aliases())) { |
| if (!src.isCertificateEntry(alias)) { |
| continue; |
| } |
| X509Certificate cert = (X509Certificate)src.getCertificate(alias); |
| if (!cert.getSubjectDN().equals(subject)) { |
| continue; |
| } |
| dst.setCertificateEntry(alias, cert); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Dump a key store for debugging. |
| */ |
| public static void dump(String context, KeyStore keyStore, char[] keyPassword) |
| throws KeyStoreException, NoSuchAlgorithmException { |
| PrintStream out = System.out; |
| out.println("context=" + context); |
| out.println("\tkeyStore=" + keyStore); |
| out.println("\tkeyStore.type=" + keyStore.getType()); |
| out.println("\tkeyStore.provider=" + keyStore.getProvider()); |
| out.println("\tkeyPassword=" |
| + ((keyPassword == null) ? null : new String(keyPassword))); |
| out.println("\tsize=" + keyStore.size()); |
| for (String alias : Collections.list(keyStore.aliases())) { |
| out.println("alias=" + alias); |
| out.println("\tcreationDate=" + keyStore.getCreationDate(alias)); |
| if (keyStore.isCertificateEntry(alias)) { |
| out.println("\tcertificate:"); |
| out.println("=========================================="); |
| out.println(keyStore.getCertificate(alias)); |
| out.println("=========================================="); |
| continue; |
| } |
| if (keyStore.isKeyEntry(alias)) { |
| out.println("\tkey:"); |
| out.println("=========================================="); |
| String key; |
| try { |
| key = ("Key retrieved using password\n" |
| + keyStore.getKey(alias, keyPassword)); |
| } catch (UnrecoverableKeyException e1) { |
| try { |
| key = ("Key retrieved without password\n" |
| + keyStore.getKey(alias, null)); |
| } catch (UnrecoverableKeyException e2) { |
| key = "Key could not be retrieved"; |
| } |
| } |
| out.println(key); |
| out.println("=========================================="); |
| Certificate[] chain = keyStore.getCertificateChain(alias); |
| if (chain == null) { |
| out.println("No certificate chain associated with key"); |
| out.println("=========================================="); |
| } else { |
| for (int i = 0; i < chain.length; i++) { |
| out.println("Certificate chain element #" + i); |
| out.println(chain[i]); |
| out.println("=========================================="); |
| } |
| } |
| continue; |
| } |
| out.println("\tunknown entry type"); |
| } |
| } |
| |
| public static void assertChainLength(Object[] chain) { |
| /* |
| * Note chain is Object[] to support both |
| * java.security.cert.X509Certificate and |
| * javax.security.cert.X509Certificate |
| */ |
| assertEquals(3, chain.length); |
| } |
| } |
