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jlechner |
/* PrivateKeyUsagePeriod.java -- private key usage period extension.
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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 gnu.java.security.x509.ext;
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import gnu.java.security.OID;
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import gnu.java.security.der.DER;
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import gnu.java.security.der.DERReader;
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import gnu.java.security.der.DERValue;
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import java.io.IOException;
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import java.util.Date;
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public class PrivateKeyUsagePeriod extends Extension.Value
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{
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// Constants and fields.
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// -------------------------------------------------------------------------
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public static final OID ID = new OID("2.5.29.16");
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private final Date notBefore;
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private final Date notAfter;
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// Constructor.
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// -------------------------------------------------------------------------
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public PrivateKeyUsagePeriod(final byte[] encoded) throws IOException
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{
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super(encoded);
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DERReader der = new DERReader(encoded);
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DERValue val = der.read();
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if (!val.isConstructed())
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throw new IOException("malformed PrivateKeyUsagePeriod");
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if (val.getLength() > 0)
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val = der.read();
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if (val.getTagClass() == DER.APPLICATION || val.getTag() == 0)
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{
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notBefore = (Date) val.getValueAs (DER.GENERALIZED_TIME);
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val = der.read();
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}
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else
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notBefore = null;
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if (val.getTagClass() == DER.APPLICATION || val.getTag() == 1)
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{
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notAfter = (Date) val.getValueAs (DER.GENERALIZED_TIME);
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}
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else
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notAfter = null;
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}
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// Instance methods.
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// -------------------------------------------------------------------------
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public Date getNotBefore()
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{
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return notBefore != null ? (Date) notBefore.clone() : null;
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}
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public Date getNotAfter()
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{
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return notAfter != null ? (Date) notAfter.clone() : null;
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}
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public String toString()
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{
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return PrivateKeyUsagePeriod.class.getName() + " [ notBefore=" + notBefore
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+ " notAfter=" + notAfter + " ]";
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}
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}
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