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Add support for EC Keys when using SslServerContext

Browse Source 
Motivation:

Sometimes it's useful to use EC keys and not DSA or RSA. We should support it.

Modifications:

Support EC keys and share the code between JDK and Openssl impl.

Result:

It's possible to use EC keys now.
This commit is contained in:
Norman Maurer 2015-04-08 12:23:55 +02:00
parent 4d56028df5
commit 216d5ee583
3 changed files with 69 additions and 83 deletions
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39
handler/src/main/java/io/netty/handler/ssl/JdkSslContext.java
View File

@ -34,19 +34,15 @@ import java.io.File;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.KeyException;
import java.security.KeyFactory;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.Security;
import java.security.UnrecoverableKeyException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
@ -165,6 +161,7 @@ public abstract class JdkSslContext extends SslContext {
/**
* Returns the JDK {@link SSLSessionContext} object held by this context.
*/
@Override
public final SSLSessionContext sessionContext() {
if (isServer()) {
return context().getServerSessionContext();
@ -318,40 +315,8 @@ public abstract class JdkSslContext extends SslContext {
throws KeyStoreException, NoSuchAlgorithmException, NoSuchPaddingException,
InvalidKeySpecException, InvalidAlgorithmParameterException, IOException,
CertificateException, KeyException, UnrecoverableKeyException {
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(null, null);
CertificateFactory cf = CertificateFactory.getInstance("X.509");
KeyFactory rsaKF = KeyFactory.getInstance("RSA");
KeyFactory dsaKF = KeyFactory.getInstance("DSA");
ByteBuf encodedKeyBuf = PemReader.readPrivateKey(keyFile);
byte[] encodedKey = new byte[encodedKeyBuf.readableBytes()];
encodedKeyBuf.readBytes(encodedKey).release();
char[] keyPasswordChars = keyPassword == null ? EmptyArrays.EMPTY_CHARS : keyPassword.toCharArray();
PKCS8EncodedKeySpec encodedKeySpec = generateKeySpec(keyPasswordChars, encodedKey);
PrivateKey key;
try {
key = rsaKF.generatePrivate(encodedKeySpec);
} catch (InvalidKeySpecException ignore) {
key = dsaKF.generatePrivate(encodedKeySpec);
}
List<Certificate> certChain = new ArrayList<Certificate>();
ByteBuf[] certs = PemReader.readCertificates(certChainFile);
try {
for (ByteBuf buf: certs) {
certChain.add(cf.generateCertificate(new ByteBufInputStream(buf)));
}
} finally {
for (ByteBuf buf: certs) {
buf.release();
}
}
ks.setKeyEntry("key", key, keyPasswordChars, certChain.toArray(new Certificate[certChain.size()]));
KeyStore ks = buildKeyStore(certChainFile, keyFile, keyPasswordChars);
// Set up key manager factory to use our key store
if (kmf == null) {
kmf = KeyManagerFactory.getInstance(keyAlgorithm);

50
handler/src/main/java/io/netty/handler/ssl/OpenSslServerContext.java
View File

@ -15,8 +15,7 @@
*/
package io.netty.handler.ssl;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufInputStream;
import io.netty.util.internal.EmptyArrays;
import org.apache.tomcat.jni.SSL;
import org.apache.tomcat.jni.SSLContext;
@ -25,16 +24,8 @@ import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509ExtendedTrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.File;
import java.security.KeyFactory;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.ArrayList;
import java.util.List;
import static io.netty.util.internal.ObjectUtil.*;
@ -266,48 +257,15 @@ public final class OpenSslServerContext extends OpenSslContext {
throw new SSLException("failed to set certificate: " + certChainFile + " and " + keyFile, e);
}
try {
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(null, null);
CertificateFactory cf = CertificateFactory.getInstance("X.509");
KeyFactory rsaKF = KeyFactory.getInstance("RSA");
KeyFactory dsaKF = KeyFactory.getInstance("DSA");
ByteBuf encodedKeyBuf = PemReader.readPrivateKey(keyFile);
byte[] encodedKey = new byte[encodedKeyBuf.readableBytes()];
encodedKeyBuf.readBytes(encodedKey).release();
char[] keyPasswordChars = keyPassword.toCharArray();
PKCS8EncodedKeySpec encodedKeySpec = generateKeySpec(keyPasswordChars, encodedKey);
PrivateKey key;
try {
key = rsaKF.generatePrivate(encodedKeySpec);
} catch (InvalidKeySpecException ignore) {
key = dsaKF.generatePrivate(encodedKeySpec);
}
List<Certificate> certChain = new ArrayList<Certificate>();
ByteBuf[] certs = PemReader.readCertificates(certChainFile);
try {
for (ByteBuf buf: certs) {
certChain.add(cf.generateCertificate(new ByteBufInputStream(buf)));
}
} finally {
for (ByteBuf buf: certs) {
buf.release();
}
}
ks.setKeyEntry("key", key, keyPasswordChars, certChain.toArray(new Certificate[certChain.size()]));
char[] keyPasswordChars = keyPassword == null ? EmptyArrays.EMPTY_CHARS : keyPassword.toCharArray();
KeyStore ks = buildKeyStore(certChainFile, keyFile, keyPasswordChars);
if (trustManagerFactory == null) {
// Mimic the way SSLContext.getInstance(KeyManager[], null, null) works
trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init((KeyStore) null);
} else {
trustManagerFactory.init(ks);
}
trustManagerFactory.init(ks);
final X509TrustManager manager = chooseTrustManager(trustManagerFactory.getTrustManagers());

63
handler/src/main/java/io/netty/handler/ssl/SslContext.java
View File

@ -16,7 +16,9 @@
package io.netty.handler.ssl;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufInputStream;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
@ -38,11 +40,18 @@ import java.io.File;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.KeyException;
import java.security.KeyFactory;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.ArrayList;
import java.util.List;
/**
@ -668,4 +677,58 @@ public abstract class SslContext {
return encryptedPrivateKeyInfo.getKeySpec(cipher);
}
/**
* Generates a new {@link KeyStore}.
*
* @param certChainFile a X.509 certificate chain file in PEM format,
* @param keyFile a PKCS#8 private key file in PEM format,
* @param keyPasswordChars the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @return generated {@link KeyStore}.
*/
static KeyStore buildKeyStore(File certChainFile, File keyFile, char[] keyPasswordChars)
throws KeyStoreException, NoSuchAlgorithmException,
NoSuchPaddingException, InvalidKeySpecException, InvalidAlgorithmParameterException,
CertificateException, KeyException, IOException {
ByteBuf encodedKeyBuf = PemReader.readPrivateKey(keyFile);
byte[] encodedKey = new byte[encodedKeyBuf.readableBytes()];
encodedKeyBuf.readBytes(encodedKey).release();
PKCS8EncodedKeySpec encodedKeySpec = generateKeySpec(keyPasswordChars, encodedKey);
PrivateKey key;
try {
key = KeyFactory.getInstance("RSA").generatePrivate(encodedKeySpec);
} catch (InvalidKeySpecException ignore) {
try {
key = KeyFactory.getInstance("DSA").generatePrivate(encodedKeySpec);
} catch (InvalidKeySpecException ignore2) {
try {
key = KeyFactory.getInstance("EC").generatePrivate(encodedKeySpec);
} catch (InvalidKeySpecException e) {
throw new InvalidKeySpecException("Neither RSA, DSA nor EC worked", e);
}
}
}
CertificateFactory cf = CertificateFactory.getInstance("X.509");
ByteBuf[] certs = PemReader.readCertificates(certChainFile);
List<Certificate> certChain = new ArrayList<Certificate>(certs.length);
try {
for (ByteBuf buf: certs) {
certChain.add(cf.generateCertificate(new ByteBufInputStream(buf)));
}
} finally {
for (ByteBuf buf: certs) {
buf.release();
}
}
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(null, null);
ks.setKeyEntry("key", key, keyPasswordChars, certChain.toArray(new Certificate[certChain.size()]));
return ks;
}
}