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authorCasey Marshall <csm@gnu.org>2004-08-14 18:21:34 +0000
committerCasey Marshall <csm@gnu.org>2004-08-14 18:21:34 +0000
commit449f390a69782e6ea3bb48913f027da1dc04011a (patch)
tree397a5d08f77527b823150aaf01037bdff26130a4 /javax/crypto/SecretKeyFactory.java
parent5593f57038abf197fb29aecfe42f2cb4d7ea3cb2 (diff)
downloadclasspath-449f390a69782e6ea3bb48913f027da1dc04011a.tar.gz
2004-08-14 Casey Marshall <csm@gnu.org>
The Big Crypto Merge of 2004. * lib/Makefile.am: updated for jgss resources. * lib/gen-classlist.sh.in: updated for classes in org/. * javax/security/auth/x500/X500Principal.java: replaced with GNU Crypto's version. * resource/org/Makefile.am, * resource/org/ietf/Makefile.am, * resource/org/ietf/jgss/Makefile.am: new files. Files imported from GNU Crypto. * javax/crypto/BadPaddingException.java * javax/crypto/Cipher.java * javax/crypto/CipherInputStream.java * javax/crypto/CipherOutputStream.java * javax/crypto/CipherSpi.java * javax/crypto/EncryptedPrivateKeyInfo.java * javax/crypto/ExemptionMechanism.java * javax/crypto/ExemptionMechanismException.java * javax/crypto/ExemptionMechanismSpi.java * javax/crypto/IllegalBlockSizeException.java * javax/crypto/KeyAgreement.java * javax/crypto/KeyAgreementSpi.java * javax/crypto/KeyGenerator.java * javax/crypto/KeyGeneratorSpi.java * javax/crypto/Mac.java * javax/crypto/MacSpi.java * javax/crypto/Makefile.am * javax/crypto/NoSuchPaddingException.java * javax/crypto/NullCipher.java * javax/crypto/NullCipherImpl.java * javax/crypto/SealedObject.java * javax/crypto/SecretKey.java * javax/crypto/SecretKeyFactory.java * javax/crypto/SecretKeyFactorySpi.java * javax/crypto/ShortBufferException.java * javax/crypto/interfaces/DHKey.java * javax/crypto/interfaces/DHPrivateKey.java * javax/crypto/interfaces/DHPublicKey.java * javax/crypto/interfaces/PBEKey.java * javax/crypto/spec/DESKeySpec.java * javax/crypto/spec/DESedeKeySpec.java * javax/crypto/spec/DHGenParameterSpec.java * javax/crypto/spec/DHParameterSpec.java * javax/crypto/spec/DHPrivateKeySpec.java * javax/crypto/spec/DHPublicKeySpec.java * javax/crypto/spec/IvParameterSpec.java * javax/crypto/spec/PBEKeySpec.java * javax/crypto/spec/PBEParameterSpec.java * javax/crypto/spec/RC2ParameterSpec.java * javax/crypto/spec/RC5ParameterSpec.java * javax/crypto/spec/SecretKeySpec.java * javax/security/auth/AuthPermission.java * javax/security/auth/DestroyFailedException.java * javax/security/auth/Destroyable.java * javax/security/auth/Policy.java * javax/security/auth/PrivateCredentialPermission.java * javax/security/auth/RefreshFailedException.java * javax/security/auth/Refreshable.java * javax/security/auth/Subject.java * javax/security/auth/SubjectDomainCombiner.java * javax/security/auth/callback/Callback.java * javax/security/auth/callback/CallbackHandler.java * javax/security/auth/callback/ChoiceCallback.java * javax/security/auth/callback/ConfirmationCallback.java * javax/security/auth/callback/LanguageCallback.java * javax/security/auth/callback/NameCallback.java * javax/security/auth/callback/PasswordCallback.java * javax/security/auth/callback/TextInputCallback.java * javax/security/auth/callback/TextOutputCallback.java * javax/security/auth/callback/UnsupportedCallbackException.java * javax/security/auth/login/AccountExpiredException.java * javax/security/auth/login/AppConfigurationEntry.java * javax/security/auth/login/Configuration.java * javax/security/auth/login/CredentialExpiredException.java * javax/security/auth/login/FailedLoginException.java * javax/security/auth/login/LoginContext.java * javax/security/auth/login/LoginException.java * javax/security/auth/login/NullConfiguration.java * javax/security/auth/x500/X500PrivateCredential.java * javax/security/sasl/AuthenticationException.java * javax/security/sasl/AuthorizeCallback.java * javax/security/sasl/RealmCallback.java * javax/security/sasl/RealmChoiceCallback.java * javax/security/sasl/Sasl.java * javax/security/sasl/SaslClient.java * javax/security/sasl/SaslClientFactory.java * javax/security/sasl/SaslException.java * javax/security/sasl/SaslServer.java * javax/security/sasl/SaslServerFactory.java * org/ietf/jgss/ChannelBinding.java * org/ietf/jgss/GSSContext.java * org/ietf/jgss/GSSCredential.java * org/ietf/jgss/GSSException.java * org/ietf/jgss/GSSManager.java * org/ietf/jgss/GSSName.java * org/ietf/jgss/MessageProp.java * org/ietf/jgss/Oid.java * resources/org/ietf/jgss/MessagesBundle.properties Files imported from Jessie <http://www.nongnu.org/jessie/> * javax/net/ServerSocketFactory.java * javax/net/SocketFactory.java * javax/net/VanillaServerSocketFactory.java * javax/net/VanillaSocketFactory.java * javax/net/ssl/HandshakeCompletedEvent.java * javax/net/ssl/HandshakeCompletedListener.java * javax/net/ssl/HostnameVerifier.java * javax/net/ssl/HttpsURLConnection.java * javax/net/ssl/KeyManager.java * javax/net/ssl/KeyManagerFactory.java * javax/net/ssl/KeyManagerFactorySpi.java * javax/net/ssl/ManagerFactoryParameters.java * javax/net/ssl/SSLContext.java * javax/net/ssl/SSLContextSpi.java * javax/net/ssl/SSLException.java * javax/net/ssl/SSLHandshakeException.java * javax/net/ssl/SSLKeyException.java * javax/net/ssl/SSLPeerUnverifiedException.java * javax/net/ssl/SSLPermission.java * javax/net/ssl/SSLProtocolException.java * javax/net/ssl/SSLServerSocket.java * javax/net/ssl/SSLServerSocketFactory.java * javax/net/ssl/SSLSession.java * javax/net/ssl/SSLSessionBindingEvent.java * javax/net/ssl/SSLSessionBindingListener.java * javax/net/ssl/SSLSessionContext.java * javax/net/ssl/SSLSocket.java * javax/net/ssl/SSLSocketFactory.java * javax/net/ssl/TrivialHostnameVerifier.java * javax/net/ssl/TrustManager.java * javax/net/ssl/TrustManagerFactory.java * javax/net/ssl/TrustManagerFactorySpi.java * javax/net/ssl/X509KeyManager.java * javax/net/ssl/X509TrustManager.java * javax/security/cert/Certificate.java * javax/security/cert/CertificateEncodingException.java * javax/security/cert/CertificateException.java * javax/security/cert/CertificateExpiredException.java * javax/security/cert/CertificateNotYetValidException.java * javax/security/cert/CertificateParsingException.java * javax/security/cert/X509CertBridge.java * javax/security/cert/X509Certificate.java
Diffstat (limited to 'javax/crypto/SecretKeyFactory.java')
-rw-r--r--javax/crypto/SecretKeyFactory.java249
1 files changed, 249 insertions, 0 deletions
diff --git a/javax/crypto/SecretKeyFactory.java b/javax/crypto/SecretKeyFactory.java
new file mode 100644
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--- /dev/null
+++ b/javax/crypto/SecretKeyFactory.java
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+/* SecretKeyFactory.java -- Factory for creating secret keys.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.crypto;
+
+import java.lang.reflect.InvocationTargetException;
+
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.Provider;
+import java.security.SecureRandom;
+import java.security.Security;
+import java.security.spec.KeySpec;
+import java.security.spec.InvalidKeySpecException;
+
+import gnu.java.security.Engine;
+
+/**
+ * A secret key factory translates {@link SecretKey} objects to and from
+ * {@link java.security.spec.KeySpec} objects, and can translate between
+ * different vendors' representations of {@link SecretKey} objects (for
+ * security or semantics; whichever applies).
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see SecretKey
+ */
+public class SecretKeyFactory
+{
+
+ // Constants and fields.
+ // ------------------------------------------------------------------------
+
+ private static final String SERVICE = "SecretKeyFactory";
+
+ /** The underlying factory implementation. */
+ private SecretKeyFactorySpi skfSpi;
+
+ /** The provider of the implementation. */
+ private Provider provider;
+
+ /** The name of the algorithm. */
+ private String algorithm;
+
+ // Constructor.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new secret key factory.
+ *
+ * @param skfSpi The underlying factory implementation.
+ * @param provider The provider.
+ * @param algorithm The algorithm name.
+ */
+ protected SecretKeyFactory(SecretKeyFactorySpi skfSpi, Provider provider,
+ String algorithm)
+ {
+ this.skfSpi = skfSpi;
+ this.provider = provider;
+ this.algorithm = algorithm;
+ }
+
+ // Class methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new secret key factory from the first appropriate
+ * instance.
+ *
+ * @param algorithm The algorithm name.
+ * @return The appropriate key factory, if found.
+ * @throws java.security.NoSuchAlgorithmException If no provider
+ * implements the specified algorithm.
+ */
+ public static final SecretKeyFactory getInstance(String algorithm)
+ throws NoSuchAlgorithmException
+ {
+ Provider[] provs = Security.getProviders();
+ for (int i = 0; i < provs.length; i++)
+ {
+ try
+ {
+ return getInstance(algorithm, provs[i]);
+ }
+ catch (NoSuchAlgorithmException nsae)
+ {
+ }
+ }
+ throw new NoSuchAlgorithmException(algorithm);
+ }
+
+ /**
+ * Create a new secret key factory from the named provider.
+ *
+ * @param algorithm The algorithm name.
+ * @param provider The provider name.
+ * @return The appropriate key factory, if found.
+ * @throws java.security.NoSuchAlgorithmException If the named
+ * provider does not implement the algorithm.
+ * @throws java.security.NoSuchProviderException If the named provider
+ * does not exist.
+ */
+ public static final SecretKeyFactory getInstance(String algorithm,
+ String provider)
+ throws NoSuchAlgorithmException, NoSuchProviderException
+ {
+ Provider p = Security.getProvider(provider);
+ if (p == null)
+ {
+ throw new NoSuchProviderException(provider);
+ }
+ return getInstance(algorithm, p);
+ }
+
+ /**
+ * Create a new secret key factory from the specified provider.
+ *
+ * @param algorithm The algorithm name.
+ * @param provider The provider.
+ * @return The appropriate key factory, if found.
+ * @throws java.security.NoSuchAlgorithmException If the provider
+ * does not implement the algorithm.
+ */
+ public static final SecretKeyFactory getInstance(String algorithm,
+ Provider provider)
+ throws NoSuchAlgorithmException
+ {
+ try
+ {
+ return new SecretKeyFactory((SecretKeyFactorySpi)
+ Engine.getInstance(SERVICE, algorithm, provider),
+ provider, algorithm);
+ }
+ catch (InvocationTargetException ite)
+ {
+ if (ite.getCause() == null)
+ throw new NoSuchAlgorithmException(algorithm);
+ if (ite.getCause() instanceof NoSuchAlgorithmException)
+ throw (NoSuchAlgorithmException) ite.getCause();
+ throw new NoSuchAlgorithmException(algorithm);
+ }
+ catch (ClassCastException cce)
+ {
+ throw new NoSuchAlgorithmException(algorithm);
+ }
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Generate a secret key from a key specification, if possible.
+ *
+ * @param keySpec The key specification.
+ * @return The secret key.
+ * @throws java.security.InvalidKeySpecException If the key specification
+ * cannot be transformed into a secret key.
+ */
+ public final SecretKey generateSecret(KeySpec keySpec)
+ throws InvalidKeySpecException
+ {
+ return skfSpi.engineGenerateSecret(keySpec);
+ }
+
+ /**
+ * Get the algorithm name.
+ *
+ * @return The algorithm name.
+ */
+ public final String getAlgorithm()
+ {
+ return algorithm;
+ }
+
+ /**
+ * Get the key specification from a secret key.
+ *
+ * @param key The secret key.
+ * @param keySpec The target key specification class.
+ * @return The key specification.
+ * @throws java.security.spec.InvalidKeySpecException If the secret key cannot
+ * be transformed into the specified key specification.
+ */
+ public final KeySpec getKeySpec(SecretKey key, Class keySpec)
+ throws InvalidKeySpecException
+ {
+ return skfSpi.engineGetKeySpec(key, keySpec);
+ }
+
+ /**
+ * Get the provider of this implementation.
+ *
+ * @return The provider.
+ */
+ public final Provider getProvider()
+ {
+ return provider;
+ }
+
+ /**
+ * Translate a secret key into another form.
+ *
+ * @param key The key to translate.
+ * @return The translated key.
+ * @throws java.security.InvalidKeyException If the argument cannot be
+ * translated.
+ */
+ public final SecretKey translateKey(SecretKey key)
+ throws InvalidKeyException
+ {
+ return skfSpi.engineTranslateKey(key);
+ }
+}