author | igerasim |
Tue, 02 Oct 2018 10:19:07 -0700 | |
changeset 51986 | c1db377f6300 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.x509; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.security.cert.*; |
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import java.util.Date; |
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import java.util.Enumeration; |
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import sun.security.util.*; |
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/** |
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* This class defines the interval for which the certificate is valid. |
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* |
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* @author Amit Kapoor |
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* @author Hemma Prafullchandra |
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* @see CertAttrSet |
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*/ |
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public class CertificateValidity implements CertAttrSet<String> { |
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/** |
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* Identifier for this attribute, to be used with the |
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* get, set, delete methods of Certificate, x509 type. |
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*/ |
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public static final String IDENT = "x509.info.validity"; |
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/** |
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* Sub attributes name for this CertAttrSet. |
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*/ |
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public static final String NAME = "validity"; |
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public static final String NOT_BEFORE = "notBefore"; |
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public static final String NOT_AFTER = "notAfter"; |
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private static final long YR_2050 = 2524636800000L; |
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// Private data members |
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private Date notBefore; |
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private Date notAfter; |
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// Returns the first time the certificate is valid. |
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private Date getNotBefore() { |
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return (new Date(notBefore.getTime())); |
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} |
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// Returns the last time the certificate is valid. |
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private Date getNotAfter() { |
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return (new Date(notAfter.getTime())); |
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} |
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// Construct the class from the DerValue |
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private void construct(DerValue derVal) throws IOException { |
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if (derVal.tag != DerValue.tag_Sequence) { |
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throw new IOException("Invalid encoded CertificateValidity, " + |
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"starting sequence tag missing."); |
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} |
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// check if UTCTime encoded or GeneralizedTime |
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if (derVal.data.available() == 0) |
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throw new IOException("No data encoded for CertificateValidity"); |
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DerInputStream derIn = new DerInputStream(derVal.toByteArray()); |
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DerValue[] seq = derIn.getSequence(2); |
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if (seq.length != 2) |
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throw new IOException("Invalid encoding for CertificateValidity"); |
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if (seq[0].tag == DerValue.tag_UtcTime) { |
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notBefore = derVal.data.getUTCTime(); |
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} else if (seq[0].tag == DerValue.tag_GeneralizedTime) { |
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notBefore = derVal.data.getGeneralizedTime(); |
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} else { |
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throw new IOException("Invalid encoding for CertificateValidity"); |
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} |
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if (seq[1].tag == DerValue.tag_UtcTime) { |
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notAfter = derVal.data.getUTCTime(); |
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} else if (seq[1].tag == DerValue.tag_GeneralizedTime) { |
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notAfter = derVal.data.getGeneralizedTime(); |
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} else { |
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throw new IOException("Invalid encoding for CertificateValidity"); |
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} |
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} |
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/** |
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* Default constructor for the class. |
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*/ |
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public CertificateValidity() { } |
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/** |
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* The default constructor for this class for the specified interval. |
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* |
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* @param notBefore the date and time before which the certificate |
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* is not valid. |
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* @param notAfter the date and time after which the certificate is |
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* not valid. |
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*/ |
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public CertificateValidity(Date notBefore, Date notAfter) { |
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this.notBefore = notBefore; |
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this.notAfter = notAfter; |
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} |
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/** |
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* Create the object, decoding the values from the passed DER stream. |
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* |
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* @param in the DerInputStream to read the CertificateValidity from. |
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* @exception IOException on decoding errors. |
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*/ |
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public CertificateValidity(DerInputStream in) throws IOException { |
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DerValue derVal = in.getDerValue(); |
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construct(derVal); |
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} |
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/** |
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* Return the validity period as user readable string. |
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*/ |
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public String toString() { |
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if (notBefore == null || notAfter == null) |
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return ""; |
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return "Validity: [From: " + notBefore + |
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",\n To: " + notAfter + ']'; |
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} |
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/** |
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* Encode the CertificateValidity period in DER form to the stream. |
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* |
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* @param out the OutputStream to marshal the contents to. |
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* @exception IOException on errors. |
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*/ |
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public void encode(OutputStream out) throws IOException { |
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// in cases where default constructor is used check for |
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// null values |
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if (notBefore == null || notAfter == null) { |
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throw new IOException("CertAttrSet:CertificateValidity:" + |
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" null values to encode.\n"); |
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} |
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DerOutputStream pair = new DerOutputStream(); |
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if (notBefore.getTime() < YR_2050) { |
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pair.putUTCTime(notBefore); |
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} else |
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pair.putGeneralizedTime(notBefore); |
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if (notAfter.getTime() < YR_2050) { |
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pair.putUTCTime(notAfter); |
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} else { |
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pair.putGeneralizedTime(notAfter); |
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} |
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DerOutputStream seq = new DerOutputStream(); |
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seq.write(DerValue.tag_Sequence, pair); |
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out.write(seq.toByteArray()); |
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} |
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/** |
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* Set the attribute value. |
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*/ |
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public void set(String name, Object obj) throws IOException { |
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if (!(obj instanceof Date)) { |
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throw new IOException("Attribute must be of type Date."); |
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} |
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if (name.equalsIgnoreCase(NOT_BEFORE)) { |
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notBefore = (Date)obj; |
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} else if (name.equalsIgnoreCase(NOT_AFTER)) { |
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notAfter = (Date)obj; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet: CertificateValidity."); |
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} |
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} |
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/** |
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* Get the attribute value. |
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*/ |
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public Date get(String name) throws IOException { |
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if (name.equalsIgnoreCase(NOT_BEFORE)) { |
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return (getNotBefore()); |
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} else if (name.equalsIgnoreCase(NOT_AFTER)) { |
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return (getNotAfter()); |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet: CertificateValidity."); |
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} |
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} |
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/** |
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* Delete the attribute value. |
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*/ |
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public void delete(String name) throws IOException { |
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if (name.equalsIgnoreCase(NOT_BEFORE)) { |
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notBefore = null; |
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} else if (name.equalsIgnoreCase(NOT_AFTER)) { |
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notAfter = null; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet: CertificateValidity."); |
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} |
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} |
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/** |
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* Return an enumeration of names of attributes existing within this |
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* attribute. |
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*/ |
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public Enumeration<String> getElements() { |
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AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
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elements.addElement(NOT_BEFORE); |
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elements.addElement(NOT_AFTER); |
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return (elements.elements()); |
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} |
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/** |
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* Return the name of this attribute. |
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*/ |
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public String getName() { |
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return (NAME); |
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} |
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/** |
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* Verify that the current time is within the validity period. |
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* |
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* @exception CertificateExpiredException if the certificate has expired. |
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* @exception CertificateNotYetValidException if the certificate is not |
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* yet valid. |
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*/ |
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public void valid() |
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throws CertificateNotYetValidException, CertificateExpiredException { |
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Date now = new Date(); |
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valid(now); |
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} |
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/** |
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* Verify that the passed time is within the validity period. |
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* @param now the Date against which to compare the validity |
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* period. |
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* |
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* @exception CertificateExpiredException if the certificate has expired |
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* with respect to the <code>Date</code> supplied. |
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* @exception CertificateNotYetValidException if the certificate is not |
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* yet valid with respect to the <code>Date</code> supplied. |
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* |
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*/ |
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public void valid(Date now) |
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throws CertificateNotYetValidException, CertificateExpiredException { |
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/* |
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* we use the internal Dates rather than the passed in Date |
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* because someone could override the Date methods after() |
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* and before() to do something entirely different. |
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*/ |
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if (notBefore.after(now)) { |
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throw new CertificateNotYetValidException("NotBefore: " + |
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notBefore.toString()); |
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} |
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if (notAfter.before(now)) { |
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throw new CertificateExpiredException("NotAfter: " + |
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notAfter.toString()); |
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} |
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} |
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} |