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jeremybenn |
/* X509Certificate.java -- base class of X.509 certificates.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.security.cert;
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.math.BigInteger;
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import java.security.Principal;
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import java.security.cert.CertificateFactory;
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import java.util.Date;
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/**
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* <p>The base class of all X.509 certificates.</p>
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*
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* <p><b>This class is deprecated in favor of the {@link
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* java.security.cert.X509Certificate} class. It should not be used in new
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* applications.</b></p>
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*/
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public abstract class X509Certificate extends Certificate
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{
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// Class methods.
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// -------------------------------------------------------------------------
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/**
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* <p>Get an instance of X509Certificate for the given encoded bytes.</p>
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*
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* @param encoded The encoded certificate.
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* @return An instance of X509Certificate.
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* @throws CertificateException If the encoded certificate cannot be parsed.
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*/
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public static X509Certificate getInstance(byte[] encoded)
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throws CertificateException
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{
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return getInstance(new ByteArrayInputStream(encoded));
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}
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/**
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* <p>Get an instance of X509Certificate for the given encoded stream.</p>
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*
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* @param encoded The encoded certificate stream..
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* @return An instance of X509Certificate.
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* @throws CertificateException If the encoded certificate cannot be parsed.
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*/
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public static X509Certificate getInstance(InputStream encoded)
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throws CertificateException
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{
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try
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{
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CertificateFactory cf = CertificateFactory.getInstance("X.509");
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return new X509CertBridge((java.security.cert.X509Certificate)
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cf.generateCertificate(encoded));
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}
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catch (java.security.cert.CertificateException ce)
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{
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throw new CertificateException(ce.getMessage());
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}
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}
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// Abstract methods.
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// -------------------------------------------------------------------------
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/**
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* <p>Check if this certificate is valid now.</p>
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*
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* @throws CertificateExpiredException If the certificate has expired.
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* @throws CertificateNotYetValidException If the certificate is not yet valid.
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* @see #checkValidity(java.util.Date)
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*/
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public abstract void checkValidity()
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throws CertificateExpiredException, CertificateNotYetValidException;
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/**
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* <p>Check if this certificate is valid for the given date.</p>
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*
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* @param date The date to check.
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* @throws CertificateExpiredException If the certificate has expired.
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* @throws CertificateNotYetValidException If the certificate is not yet valid.
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*/
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public abstract void checkValidity(Date date)
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throws CertificateExpiredException, CertificateNotYetValidException;
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/**
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* <p>Returns the X.509 version number.</p>
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*
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* @return The version number.
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*/
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public abstract int getVersion();
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/**
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* <p>Returns this certificate's serial number.</p>
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*
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* @return The serial number.
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*/
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public abstract BigInteger getSerialNumber();
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/**
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* <p>Returns the distinguished name of this certificate's issuer.</p>
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*
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* @return The issuer's distinguished name.
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*/
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public abstract Principal getIssuerDN();
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/**
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* <p>Returns the distinguished name of this certificate's subject.</p>
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*
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* @return The subject's distinguished name.
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*/
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public abstract Principal getSubjectDN();
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/**
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* <p>Returns the <i>not before</i> portion of this certificate's validity
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* period.</p>
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*
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* @return The not before date.
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*/
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public abstract Date getNotBefore();
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/**
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* <p>Returns the <i>not after</i> portion of this certificate's validity
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* period.</p>
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*
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* @return The not after date.
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*/
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public abstract Date getNotAfter();
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/**
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* <p>Returns the name of this certificate's signature algorithm.</p>
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*
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* @return The name of the signature algorithm.
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*/
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public abstract String getSigAlgName();
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/**
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* <p>Returns the object identifier (OID) of this certificate's signature
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* algorithm. The returned string is a sequence of integers separated by
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* periods.</p>
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*
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* @return The signature OID.
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*/
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public abstract String getSigAlgOID();
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/**
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* <p>Returns the signature parameters. The returned byte array contains the
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* raw DER-encoded parameters.</p>
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*
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* @return The signature parameters.
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*/
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public abstract byte[] getSigAlgParams();
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}
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