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com.android.org.conscrypt.OpenSSLX509Certificate Maven / Gradle / Ivy
/*
* Copyright (C) 2012 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 com.android.org.conscrypt;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Principal;
import java.security.PublicKey;
import java.security.Signature;
import java.security.SignatureException;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.CertificateParsingException;
import java.security.cert.X509Certificate;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.X509EncodedKeySpec;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TimeZone;
import javax.security.auth.x500.X500Principal;
import org.apache.harmony.security.utils.AlgNameMapper;
import com.android.org.conscrypt.OpenSSLX509CertificateFactory.ParsingException;
public class OpenSSLX509Certificate extends X509Certificate {
private final long mContext;
OpenSSLX509Certificate(long ctx) {
mContext = ctx;
}
public static OpenSSLX509Certificate fromX509DerInputStream(InputStream is)
throws ParsingException {
@SuppressWarnings("resource")
final OpenSSLBIOInputStream bis = new OpenSSLBIOInputStream(is);
try {
final long certCtx = NativeCrypto.d2i_X509_bio(bis.getBioContext());
if (certCtx == 0) {
return null;
}
return new OpenSSLX509Certificate(certCtx);
} catch (Exception e) {
throw new ParsingException(e);
} finally {
NativeCrypto.BIO_free(bis.getBioContext());
}
}
public static OpenSSLX509Certificate fromX509Der(byte[] encoded) {
final long certCtx = NativeCrypto.d2i_X509(encoded);
if (certCtx == 0) {
return null;
}
return new OpenSSLX509Certificate(certCtx);
}
public static List fromPkcs7DerInputStream(InputStream is)
throws ParsingException {
@SuppressWarnings("resource")
OpenSSLBIOInputStream bis = new OpenSSLBIOInputStream(is);
final long[] certRefs;
try {
certRefs = NativeCrypto.d2i_PKCS7_bio(bis.getBioContext(), NativeCrypto.PKCS7_CERTS);
} catch (Exception e) {
throw new ParsingException(e);
} finally {
NativeCrypto.BIO_free(bis.getBioContext());
}
if (certRefs == null) {
return Collections.emptyList();
}
final List certs = new ArrayList(
certRefs.length);
for (int i = 0; i < certRefs.length; i++) {
if (certRefs[i] == 0) {
continue;
}
certs.add(new OpenSSLX509Certificate(certRefs[i]));
}
return certs;
}
public static OpenSSLX509Certificate fromX509PemInputStream(InputStream is)
throws ParsingException {
@SuppressWarnings("resource")
final OpenSSLBIOInputStream bis = new OpenSSLBIOInputStream(is);
try {
final long certCtx = NativeCrypto.PEM_read_bio_X509(bis.getBioContext());
if (certCtx == 0L) {
return null;
}
return new OpenSSLX509Certificate(certCtx);
} catch (Exception e) {
throw new ParsingException(e);
} finally {
NativeCrypto.BIO_free(bis.getBioContext());
}
}
public static List fromPkcs7PemInputStream(InputStream is)
throws ParsingException {
@SuppressWarnings("resource")
OpenSSLBIOInputStream bis = new OpenSSLBIOInputStream(is);
final long[] certRefs;
try {
certRefs = NativeCrypto.PEM_read_bio_PKCS7(bis.getBioContext(),
NativeCrypto.PKCS7_CERTS);
} catch (Exception e) {
throw new ParsingException(e);
} finally {
NativeCrypto.BIO_free(bis.getBioContext());
}
final List certs = new ArrayList(
certRefs.length);
for (int i = 0; i < certRefs.length; i++) {
if (certRefs[i] == 0) {
continue;
}
certs.add(new OpenSSLX509Certificate(certRefs[i]));
}
return certs;
}
@Override
public Set getCriticalExtensionOIDs() {
String[] critOids =
NativeCrypto.get_X509_ext_oids(mContext, NativeCrypto.EXTENSION_TYPE_CRITICAL);
/*
* This API has a special case that if there are no extensions, we
* should return null. So if we have no critical extensions, we'll check
* non-critical extensions.
*/
if ((critOids.length == 0)
&& (NativeCrypto.get_X509_ext_oids(mContext,
NativeCrypto.EXTENSION_TYPE_NON_CRITICAL).length == 0)) {
return null;
}
return new HashSet(Arrays.asList(critOids));
}
@Override
public byte[] getExtensionValue(String oid) {
return NativeCrypto.X509_get_ext_oid(mContext, oid);
}
@Override
public Set getNonCriticalExtensionOIDs() {
String[] nonCritOids =
NativeCrypto.get_X509_ext_oids(mContext, NativeCrypto.EXTENSION_TYPE_NON_CRITICAL);
/*
* This API has a special case that if there are no extensions, we
* should return null. So if we have no non-critical extensions, we'll
* check critical extensions.
*/
if ((nonCritOids.length == 0)
&& (NativeCrypto.get_X509_ext_oids(mContext,
NativeCrypto.EXTENSION_TYPE_CRITICAL).length == 0)) {
return null;
}
return new HashSet(Arrays.asList(nonCritOids));
}
@Override
public boolean hasUnsupportedCriticalExtension() {
return (NativeCrypto.get_X509_ex_flags(mContext) & NativeCrypto.EXFLAG_CRITICAL) != 0;
}
@Override
public void checkValidity() throws CertificateExpiredException,
CertificateNotYetValidException {
checkValidity(new Date());
}
@Override
public void checkValidity(Date date) throws CertificateExpiredException,
CertificateNotYetValidException {
if (getNotBefore().compareTo(date) > 0) {
throw new CertificateNotYetValidException();
}
if (getNotAfter().compareTo(date) < 0) {
throw new CertificateExpiredException();
}
}
@Override
public int getVersion() {
return (int) NativeCrypto.X509_get_version(mContext) + 1;
}
@Override
public BigInteger getSerialNumber() {
return new BigInteger(NativeCrypto.X509_get_serialNumber(mContext));
}
@Override
public Principal getIssuerDN() {
return getIssuerX500Principal();
}
@Override
public Principal getSubjectDN() {
return getSubjectX500Principal();
}
@Override
public Date getNotBefore() {
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
calendar.set(Calendar.MILLISECOND, 0);
NativeCrypto.ASN1_TIME_to_Calendar(NativeCrypto.X509_get_notBefore(mContext), calendar);
return calendar.getTime();
}
@Override
public Date getNotAfter() {
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
calendar.set(Calendar.MILLISECOND, 0);
NativeCrypto.ASN1_TIME_to_Calendar(NativeCrypto.X509_get_notAfter(mContext), calendar);
return calendar.getTime();
}
@Override
public byte[] getTBSCertificate() throws CertificateEncodingException {
return NativeCrypto.get_X509_cert_info_enc(mContext);
}
@Override
public byte[] getSignature() {
return NativeCrypto.get_X509_signature(mContext);
}
@Override
public String getSigAlgName() {
return AlgNameMapper.map2AlgName(getSigAlgOID());
}
@Override
public String getSigAlgOID() {
return NativeCrypto.get_X509_sig_alg_oid(mContext);
}
@Override
public byte[] getSigAlgParams() {
return NativeCrypto.get_X509_sig_alg_parameter(mContext);
}
@Override
public boolean[] getIssuerUniqueID() {
return NativeCrypto.get_X509_issuerUID(mContext);
}
@Override
public boolean[] getSubjectUniqueID() {
return NativeCrypto.get_X509_subjectUID(mContext);
}
@Override
public boolean[] getKeyUsage() {
final boolean[] kusage = NativeCrypto.get_X509_ex_kusage(mContext);
if (kusage == null) {
return null;
}
if (kusage.length >= 9) {
return kusage;
}
final boolean resized[] = new boolean[9];
System.arraycopy(kusage, 0, resized, 0, kusage.length);
return resized;
}
@Override
public int getBasicConstraints() {
if ((NativeCrypto.get_X509_ex_flags(mContext) & NativeCrypto.EXFLAG_CA) == 0) {
return -1;
}
final int pathLen = NativeCrypto.get_X509_ex_pathlen(mContext);
if (pathLen == -1) {
return Integer.MAX_VALUE;
}
return pathLen;
}
@Override
public byte[] getEncoded() throws CertificateEncodingException {
return NativeCrypto.i2d_X509(mContext);
}
private void verifyOpenSSL(OpenSSLKey pkey) throws CertificateException,
NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException,
SignatureException {
try {
NativeCrypto.X509_verify(mContext, pkey.getPkeyContext());
} catch (RuntimeException e) {
throw new CertificateException(e);
}
}
private void verifyInternal(PublicKey key, String sigProvider) throws CertificateException,
NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException,
SignatureException {
String sigAlg = getSigAlgName();
if (sigAlg == null) {
sigAlg = getSigAlgOID();
}
final Signature sig;
if (sigProvider == null) {
sig = Signature.getInstance(sigAlg);
} else {
sig = Signature.getInstance(sigAlg, sigProvider);
}
sig.initVerify(key);
sig.update(getTBSCertificate());
if (!sig.verify(getSignature())) {
throw new SignatureException("signature did not verify");
}
}
@Override
public void verify(PublicKey key) throws CertificateException, NoSuchAlgorithmException,
InvalidKeyException, NoSuchProviderException, SignatureException {
if (key instanceof OpenSSLKeyHolder) {
OpenSSLKey pkey = ((OpenSSLKeyHolder) key).getOpenSSLKey();
verifyOpenSSL(pkey);
return;
}
verifyInternal(key, null);
}
@Override
public void verify(PublicKey key, String sigProvider) throws CertificateException,
NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException,
SignatureException {
verifyInternal(key, sigProvider);
}
@Override
public String toString() {
ByteArrayOutputStream os = new ByteArrayOutputStream();
long bioCtx = NativeCrypto.create_BIO_OutputStream(os);
try {
NativeCrypto.X509_print_ex(bioCtx, mContext, 0, 0);
return os.toString();
} finally {
NativeCrypto.BIO_free(bioCtx);
}
}
@Override
public PublicKey getPublicKey() {
/* First try to generate the key from supported OpenSSL key types. */
try {
OpenSSLKey pkey = new OpenSSLKey(NativeCrypto.X509_get_pubkey(mContext));
return pkey.getPublicKey();
} catch (NoSuchAlgorithmException ignored) {
}
/* Try generating the key using other Java providers. */
String oid = NativeCrypto.get_X509_pubkey_oid(mContext);
byte[] encoded = NativeCrypto.i2d_X509_PUBKEY(mContext);
try {
KeyFactory kf = KeyFactory.getInstance(oid);
return kf.generatePublic(new X509EncodedKeySpec(encoded));
} catch (NoSuchAlgorithmException ignored) {
} catch (InvalidKeySpecException ignored) {
}
/*
* We couldn't find anything else, so just return a nearly-unusable
* X.509-encoded key.
*/
return new X509PublicKey(oid, encoded);
}
@Override
public X500Principal getIssuerX500Principal() {
final byte[] issuer = NativeCrypto.X509_get_issuer_name(mContext);
return new X500Principal(issuer);
}
@Override
public X500Principal getSubjectX500Principal() {
final byte[] subject = NativeCrypto.X509_get_subject_name(mContext);
return new X500Principal(subject);
}
@Override
public List getExtendedKeyUsage() throws CertificateParsingException {
String[] extUsage = NativeCrypto.get_X509_ex_xkusage(mContext);
if (extUsage == null) {
return null;
}
return Arrays.asList(extUsage);
}
private static Collection> alternativeNameArrayToList(Object[][] altNameArray) {
if (altNameArray == null) {
return null;
}
Collection> coll = new ArrayList>(altNameArray.length);
for (int i = 0; i < altNameArray.length; i++) {
coll.add(Collections.unmodifiableList(Arrays.asList(altNameArray[i])));
}
return Collections.unmodifiableCollection(coll);
}
@Override
public Collection> getSubjectAlternativeNames() throws CertificateParsingException {
return alternativeNameArrayToList(NativeCrypto.get_X509_GENERAL_NAME_stack(mContext,
NativeCrypto.GN_STACK_SUBJECT_ALT_NAME));
}
@Override
public Collection> getIssuerAlternativeNames() throws CertificateParsingException {
return alternativeNameArrayToList(NativeCrypto.get_X509_GENERAL_NAME_stack(mContext,
NativeCrypto.GN_STACK_ISSUER_ALT_NAME));
}
@Override
public boolean equals(Object other) {
if (other instanceof OpenSSLX509Certificate) {
OpenSSLX509Certificate o = (OpenSSLX509Certificate) other;
return NativeCrypto.X509_cmp(mContext, o.mContext) == 0;
}
return super.equals(other);
}
@Override
public int hashCode() {
/* Make this faster since we might be in hash-based structures. */
return NativeCrypto.get_X509_hashCode(mContext);
}
long getContext() {
return mContext;
}
@Override
protected void finalize() throws Throwable {
try {
if (mContext != 0) {
NativeCrypto.X509_free(mContext);
}
} finally {
super.finalize();
}
}
}
