Github user aledsage commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/465#discussion_r23520397
--- 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");
--- End diff --
I'd pass in the cause as well. Is there any more specific exception we can
catch here? Feels risky that we could get other exceptions and swallow them,
incorrectly reporting it as a "wrong passphrase".
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