Github user ahgittin commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/465#discussion_r23522109
--- Diff: core/src/main/java/brooklyn/util/crypto/SecureKeys.java ---
@@ -19,182 +19,149 @@
package brooklyn.util.crypto;
import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.security.KeyPair;
-import java.security.KeyPairGenerator;
-import java.security.KeyStore;
-import java.security.KeyStoreException;
-import java.security.NoSuchAlgorithmException;
+import java.security.PrivateKey;
+import java.security.PublicKey;
import java.security.Security;
-import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
-import java.util.NoSuchElementException;
-
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.TrustManagerFactory;
-import javax.net.ssl.X509TrustManager;
-import javax.security.auth.x500.X500Principal;
+import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.jce.X509Principal;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.bouncycastle.openssl.PEMDecryptorProvider;
+import org.bouncycastle.openssl.PEMEncryptedKeyPair;
+import org.bouncycastle.openssl.PEMKeyPair;
+import org.bouncycastle.openssl.PEMParser;
import org.bouncycastle.openssl.PEMReader;
import org.bouncycastle.openssl.PEMWriter;
import org.bouncycastle.openssl.PasswordFinder;
+import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
+import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import brooklyn.util.exceptions.Exceptions;
+import brooklyn.util.stream.Streams;
+import com.google.common.base.Objects;
import com.google.common.base.Throwables;
/**
* Utility methods for generating and working with keys
*/
-public class SecureKeys {
+public class SecureKeys extends SecureKeysWithoutBouncyCastle {
+ private static final Logger log =
LoggerFactory.getLogger(SecureKeys.class);
+
static { Security.addProvider(new BouncyCastleProvider()); }
- private static KeyPairGenerator defaultKeyPairGenerator =
newKeyPairGenerator("RSA", 1024);
-
- private SecureKeys() {}
-
- public static KeyPairGenerator newKeyPairGenerator(String algorithm,
int bits) {
- KeyPairGenerator keyPairGenerator;
- try {
- keyPairGenerator = KeyPairGenerator.getInstance(algorithm);
- } catch (NoSuchAlgorithmException e) {
- throw Exceptions.propagate(e);
- }
- keyPairGenerator.initialize(bits);
- return keyPairGenerator;
+ public static class PassphraseProblem extends IllegalStateException {
+ private static final long serialVersionUID = -3382824813899223447L;
+ public PassphraseProblem() { super("Passphrase problem with this
key"); }
+ public PassphraseProblem(String message) { super("Passphrase
problem with this key: "+message); }
}
- public static KeyPair newKeyPair() {
- return defaultKeyPairGenerator.generateKeyPair();
+ private SecureKeys() {}
+
+ /** RFC1773 order, with None for other values. Normally prefer
X500Principal. */
+ public static X509Principal getX509PrincipalWithCommonName(String
commonName) {
+ return new X509Principal("" + "C=None," + "L=None," + "O=None," +
"OU=None," + "CN=" + commonName);
}
- public static KeyPair newKeyPair(String algorithm, int bits) {
- return newKeyPairGenerator(algorithm, bits).generateKeyPair();
- }
+ /** reads RSA or DSA / pem style private key files (viz {@link
#toPem(KeyPair)}), extracting also the public key if possible
+ * @throws IllegalStateException on errors, in particular {@link
PassphraseProblem} if that is the problem */
+ public static KeyPair readPem(InputStream input, final String
passphrase) {
+ // TODO cache is only for fallback "reader" strategy
+ byte[] cache = Streams.readFully(input);
+ input = new ByteArrayInputStream(cache);
- /** returns a new keystore, of the default type, and initialized to be
empty.
- * (everyone always forgets to load(null,null).) */
- public static KeyStore newKeyStore() {
try {
- KeyStore store =
KeyStore.getInstance(KeyStore.getDefaultType());
- store.load(null, null);
- return store;
- } catch (Exception e) {
- throw Exceptions.propagate(e);
- }
- }
+ PEMParser pemParser = new PEMParser(new
InputStreamReader(input));
+
+ Object object = pemParser.readObject();
+ pemParser.close();
+
+ JcaPEMKeyConverter converter = new
JcaPEMKeyConverter().setProvider("BC");
+ KeyPair kp = null;
+ if (object==null) {
+ throw new IllegalStateException("PEM parsing failed:
missing or invalid data");
+ } else if (object instanceof PEMEncryptedKeyPair) {
+ if (passphrase==null) throw new
PassphraseProblem("passphrase required");
+ try {
+ PEMDecryptorProvider decProv = new
JcePEMDecryptorProviderBuilder().build(passphrase.toCharArray());
+ kp = converter.getKeyPair(((PEMEncryptedKeyPair)
object).decryptKeyPair(decProv));
+ } catch (Exception e) {
+ Exceptions.propagateIfFatal(e);
+ throw new PassphraseProblem("wrong passphrase");
+ }
+ } else if (object instanceof PEMKeyPair) {
+ kp = converter.getKeyPair((PEMKeyPair) object);
+ } else if (object instanceof PrivateKeyInfo) {
+ PrivateKey privKey =
converter.getPrivateKey((PrivateKeyInfo) object);
+ kp = new KeyPair(null, privKey);
+ } else {
+ throw new IllegalStateException("PEM parser support
missing for: "+object);
+ }
+
+ return kp;
- /** returns keystore of default type read from given source */
- public static KeyStore newKeyStore(InputStream source, String
passphrase) {
- try {
- KeyStore store =
KeyStore.getInstance(KeyStore.getDefaultType());
- store.load(source, passphrase!=null ? passphrase.toCharArray()
: new char[0]);
- return store;
} catch (Exception e) {
- throw Exceptions.propagate(e);
- }
- }
+ Exceptions.propagateIfFatal(e);
+
+ // older code relied on PEMReader, now deprecated
+ // replaced with above based on
http://stackoverflow.com/questions/14919048/bouncy-castle-pemreader-pemparser
+ // passes the same tests (Jan 2015) but leaving the old code
as a fallback for the time being
+
+ input = new ByteArrayInputStream(cache);
+ try {
+ Security.addProvider(new BouncyCastleProvider());
+ PEMReader pr = new PEMReader(new InputStreamReader(input),
new PasswordFinder() {
+ public char[] getPassword() {
+ return passphrase!=null ? passphrase.toCharArray()
: new char[0];
+ }
+ });
+ KeyPair result = (KeyPair) pr.readObject();
+ pr.close();
+ if (result==null)
+ throw Exceptions.propagate(e);
+
+ log.warn("PEMParser failed when PEMReader succeeded, with
"+result+"; had: "+e);
- /** see {@link #getTrustManager(KeyStore, Class)}, matching any type */
- public static TrustManager getTrustManager(KeyStore trustStore) {
- return getTrustManager(trustStore, null);
- }
- /** returns the trust manager inferred from trustStore, matching the
type (if not null);
- * throws exception if there are none, or if there are multiple */
- @SuppressWarnings("unchecked")
- public static <T extends TrustManager> T getTrustManager(KeyStore
trustStore, Class<T> type) {
- try {
- TrustManagerFactory tmf = TrustManagerFactory.getInstance(
- TrustManagerFactory.getDefaultAlgorithm());
- tmf.init(trustStore);
- T result = null;
- for (TrustManager tm: tmf.getTrustManagers()) {
- if (type==null || type.isInstance(tm)) {
- if (result!=null)
- throw new IllegalStateException("Multiple trust
managers matching "+type+" inferred from "+trustStore);
- result = (T)tm;
- }
- }
- if (result!=null)
return result;
- throw new NoSuchElementException("No trust manager matching
"+type+" can be inferred from "+trustStore);
- } catch (Exception e) {
- throw Exceptions.propagate(e);
- }
- }
-
- public static X509TrustManager getTrustManager(X509Certificate
certificate) {
- try {
- KeyStore ks = newKeyStore();
- ks.setCertificateEntry("", certificate);
- return getTrustManager(ks, X509TrustManager.class);
- } catch (KeyStoreException e) {
- throw Exceptions.propagate(e);
+
+ } catch (Exception e2) {
+ Exceptions.propagateIfFatal(e2);
+ throw Exceptions.propagate(e);
+ }
}
}
- /** converts a certificate to the canonical implementation, commonly
sun.security.x509.X509CertImpl,
- * which is required in some places -- the Bouncy Castle X509 impl is
not accepted
- * (e.g. where certs are chained, passed to trust manager) */
- public static X509Certificate getCanonicalImpl(X509Certificate inCert)
{
- try {
- KeyStore store = SecureKeys.newKeyStore();
- store.setCertificateEntry("to-canonical", inCert);
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- store.store(out, "".toCharArray());
-
- KeyStore store2 =
KeyStore.getInstance(KeyStore.getDefaultType());
- store2.load(new ByteArrayInputStream(out.toByteArray()),
"".toCharArray());
- return (X509Certificate) store2.getCertificate("to-canonical");
- } catch (Exception e) {
- throw Exceptions.propagate(e);
- }
+ /** because KeyPair.equals is not implemented :( */
+ public static boolean equal(KeyPair k1, KeyPair k2) {
+ return Objects.equal(k2.getPrivate(), k1.getPrivate()) &&
Objects.equal(k2.getPrivate(), k1.getPrivate());
--- End diff --
yes - good spot
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