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author | Andreas Tobler <a.tobler@schweiz.ch> | 2004-09-21 10:33:35 +0200 |
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committer | Andreas Tobler <andreast@gcc.gnu.org> | 2004-09-21 10:33:35 +0200 |
commit | 6f5ce93bab1c1ce6df0e71aa450f841f3d979bbc (patch) | |
tree | 9ec0d44b2435653b3e450bf4293546636a609d31 /libjava/javax/crypto/EncryptedPrivateKeyInfo.java | |
parent | c93320c457dc75596c5482cdbef7783ad6cdaf2e (diff) | |
download | gcc-6f5ce93bab1c1ce6df0e71aa450f841f3d979bbc.zip gcc-6f5ce93bab1c1ce6df0e71aa450f841f3d979bbc.tar.gz gcc-6f5ce93bab1c1ce6df0e71aa450f841f3d979bbc.tar.bz2 |
[multiple changes]
2004-09-21 Andreas Tobler <a.tobler@schweiz.ch>
Import the big Crypto/Jessie/Security merge from Classpath.
* Makefile.am: Add imported files.
* Makefile.in: Regenerate.
2004-08-14 Casey Marshall <csm@gnu.org>
The Big Crypto Merge of 2004.
* javax/security/auth/x500/X500Principal.java: Replaced with GNU
Crypto's version.
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
* 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
2004-08-20 Casey Marshall <csm@gnu.org>
* java/security/cert/X509CRLSelector.java: New file.
* java/security/cert/X509CertSelector.java: New file.
From-SVN: r87795
Diffstat (limited to 'libjava/javax/crypto/EncryptedPrivateKeyInfo.java')
-rw-r--r-- | libjava/javax/crypto/EncryptedPrivateKeyInfo.java | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/libjava/javax/crypto/EncryptedPrivateKeyInfo.java b/libjava/javax/crypto/EncryptedPrivateKeyInfo.java new file mode 100644 index 0000000..b64fbd6 --- /dev/null +++ b/libjava/javax/crypto/EncryptedPrivateKeyInfo.java @@ -0,0 +1,284 @@ +/* EncryptedPrivateKeyInfo.java -- As in PKCS #8. + 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 gnu.java.security.OID; +import gnu.java.security.der.DER; +import gnu.java.security.der.DERReader; +import gnu.java.security.der.DERValue; + +import java.io.IOException; + +import java.util.ArrayList; +import java.util.List; + +import java.security.AlgorithmParameters; +import java.security.NoSuchAlgorithmException; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; + +/** + * An implementation of the <code>EncryptedPrivateKeyInfo</code> ASN.1 + * type as specified in <a + * href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-8/">PKCS #8 - + * Private-Key Information Syntax Standard</a>. + * + * <p>The ASN.1 type <code>EncryptedPrivateKeyInfo</code> is: + * + * <blockquote> + * <pre>EncryptedPrivateKeyInfo ::= SEQUENCE { + * encryptionAlgorithm EncryptionAlgorithmIdentifier, + * encryptedData EncryptedData } + * + * EncryptionAlgorithmIdentifier ::= AlgorithmIdentifier + * + * EncrytpedData ::= OCTET STRING + * + * AlgorithmIdentifier ::= SEQUENCE { + * algorithm OBJECT IDENTIFIER, + * parameters ANY DEFINED BY algorithm OPTIONAL }</pre> + * </blockquote> + * + * @author Casey Marshall (csm@gnu.org) + * @since 1.4 + * @see java.security.spec.PKCS8EncodedKeySpec + */ +public class EncryptedPrivateKeyInfo +{ + + // Fields. + // ------------------------------------------------------------------------ + + /** The encrypted data. */ + private byte[] encryptedData; + + /** The encoded, encrypted key. */ + private byte[] encoded; + + /** The OID of the encryption algorithm. */ + private OID algOid; + + /** The encryption algorithm's parameters. */ + private AlgorithmParameters params; + + /** The encoded ASN.1 algorithm parameters. */ + private byte[] encodedParams; + + // Constructors. + // ------------------------------------------------------------------------ + + /** + * Create a new <code>EncryptedPrivateKeyInfo</code> object from raw + * encrypted data and the parameters used for encryption. + * + * <p>The <code>encryptedData</code> array is cloned. + * + * @param params The encryption algorithm parameters. + * @param encryptedData The encrypted key data. + * @throws java.lang.IllegalArgumentException If the + * <code>encryptedData</code> array is empty (zero-length). + * @throws java.security.NoSuchAlgorithmException If the algorithm + * specified in the parameters is not supported. + * @throws java.lang.NullPointerException If <code>encryptedData</code> + * is null. + */ + public EncryptedPrivateKeyInfo(AlgorithmParameters params, + byte[] encryptedData) + throws IllegalArgumentException, NoSuchAlgorithmException + { + if (encryptedData.length == 0) + { + throw new IllegalArgumentException("0-length encryptedData"); + } + this.params = params; + algOid = new OID(params.getAlgorithm()); + this.encryptedData = (byte[]) encryptedData.clone(); + } + + /** + * Create a new <code>EncryptedPrivateKeyInfo</code> from an encoded + * representation, parsing the ASN.1 sequence. + * + * @param encoded The encoded info. + * @throws java.io.IOException If parsing the encoded data fails. + * @throws java.lang.NullPointerException If <code>encoded</code> is + * null. + */ + public EncryptedPrivateKeyInfo(byte[] encoded) + throws IOException + { + this.encoded = (byte[]) encoded.clone(); + decode(); + } + + /** + * Create a new <code>EncryptedPrivateKeyInfo</code> from the cipher + * name and the encrytpedData. + * + * <p>The <code>encryptedData</code> array is cloned. + * + * @param algName The name of the algorithm (as an object identifier). + * @param encryptedData The encrypted key data. + * @throws java.lang.IllegalArgumentException If the + * <code>encryptedData</code> array is empty (zero-length). + * @throws java.security.NoSuchAlgorithmException If algName is not + * the name of a supported algorithm. + * @throws java.lang.NullPointerException If <code>encryptedData</code> + * is null. + */ + public EncryptedPrivateKeyInfo(String algName, byte[] encryptedData) + throws IllegalArgumentException, NoSuchAlgorithmException, + NullPointerException + { + if (encryptedData.length == 0) + { + throw new IllegalArgumentException("0-length encryptedData"); + } + this.algOid = new OID(algName); + this.encryptedData = (byte[]) encryptedData.clone(); + } + + // Instance methods. + // ------------------------------------------------------------------------ + + /** + * Return the name of the cipher used to encrypt this key. + * + * @return The algorithm name. + */ + public String getAlgName() + { + return algOid.toString(); + } + + public AlgorithmParameters getAlgParameters() + { + if (params == null && encodedParams != null) + { + try + { + params = AlgorithmParameters.getInstance(getAlgName()); + params.init(encodedParams); + } + catch (NoSuchAlgorithmException ignore) + { + } + catch (IOException ignore) + { + } + } + return params; + } + + public synchronized byte[] getEncoded() throws IOException + { + if (encoded == null) encode(); + return (byte[]) encoded.clone(); + } + + public byte[] getEncryptedData() + { + return encryptedData; + } + + public PKCS8EncodedKeySpec getKeySpec(Cipher cipher) + throws InvalidKeySpecException + { + try + { + return new PKCS8EncodedKeySpec(cipher.doFinal(encryptedData)); + } + catch (Exception x) + { + throw new InvalidKeySpecException(x.toString()); + } + } + + // Own methods. + // ------------------------------------------------------------------------- + + private void decode() throws IOException + { + DERReader der = new DERReader(encoded); + DERValue val = der.read(); + if (val.getTag() != DER.SEQUENCE) + throw new IOException("malformed EncryptedPrivateKeyInfo"); + val = der.read(); + if (val.getTag() != DER.SEQUENCE) + throw new IOException("malformed AlgorithmIdentifier"); + int algpLen = val.getLength(); + DERValue oid = der.read(); + if (oid.getTag() != DER.OBJECT_IDENTIFIER) + throw new IOException("malformed AlgorithmIdentifier"); + algOid = (OID) oid.getValue(); + if (algpLen == 0) + { + val = der.read(); + if (val.getTag() != 0) + { + encodedParams = val.getEncoded(); + der.read(); + } + } + else if (oid.getEncodedLength() < val.getLength()) + { + val = der.read(); + encodedParams = val.getEncoded(); + } + val = der.read(); + if (val.getTag() != DER.OCTET_STRING) + throw new IOException("malformed AlgorithmIdentifier"); + encryptedData = (byte[]) val.getValue(); + } + + private void encode() throws IOException + { + List algId = new ArrayList(2); + algId.add(new DERValue(DER.OBJECT_IDENTIFIER, algOid)); + getAlgParameters(); + if (params != null) + { + algId.add(DERReader.read(params.getEncoded())); + } + List epki = new ArrayList(2); + epki.add(new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, algId)); + epki.add(new DERValue(DER.OCTET_STRING, encryptedData)); + encoded = new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, epki).getEncoded(); + } +} |