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Diffstat (limited to 'pki/base/util/src/netscape/security/x509/DeltaCRLIndicatorExtension.java')
| -rwxr-xr-x | pki/base/util/src/netscape/security/x509/DeltaCRLIndicatorExtension.java | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/x509/DeltaCRLIndicatorExtension.java b/pki/base/util/src/netscape/security/x509/DeltaCRLIndicatorExtension.java new file mode 100755 index 000000000..39664e238 --- /dev/null +++ b/pki/base/util/src/netscape/security/x509/DeltaCRLIndicatorExtension.java @@ -0,0 +1,232 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program 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; version 2 of the License. +// +// This program 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 this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package netscape.security.x509; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.lang.reflect.Array; +import java.math.BigInteger; +import java.util.Enumeration; +import java.security.cert.CertificateException; + +import netscape.security.util.*; + +/** + * Represent the Delta CRL Indicator Extension. + * + * <p>The delta CRL indicator is a critical CRL extension + * that identifies a delta-CRL. The value of BaseCRLNumber + * identifies the CRL number of the base CRL that was used + * as the starting point in the generation of this delta- CRL. + * The delta-CRL contains the changes between the base CRL + * and the current CRL issued along with the delta-CRL. + * + * @see Extension + * @see CertAttrSet + */ +public class DeltaCRLIndicatorExtension extends Extension +implements CertAttrSet { + + /** + * Attribute name. + */ + public static final String NAME = "DeltaCRLIndicator"; + public static final String NUMBER = "value"; + + /** + * The Object Identifier for this extension. + */ + public static final String OID = "2.5.29.27"; + + private BigInt baseCRLNumber = null; + + static { + try { + OIDMap.addAttribute(DeltaCRLIndicatorExtension.class.getName(), + OID, NAME); + } catch (CertificateException e) {} + } + + // Encode this extension value + private void encodeThis() throws IOException { + if (baseCRLNumber == null) + throw new IOException("Unintialized delta CRL indicator extension"); + DerOutputStream os = new DerOutputStream(); + os.putInteger(this.baseCRLNumber); + this.extensionValue = os.toByteArray(); + } + + /** + * Create a DeltaCRLIndicatorExtension with the integer value. + * The criticality is set to true. + * + * @param baseCRLNum the value to be set for the extension. + */ + public DeltaCRLIndicatorExtension(int baseCRLNum) throws IOException { + this.baseCRLNumber = new BigInt(baseCRLNum); + this.extensionId = PKIXExtensions.DeltaCRLIndicator_Id; + this.critical = true; + encodeThis(); + } + + /** + * Create a DeltaCRLIndicatorExtension with the BigInteger value. + * The criticality is set to true. + * + * @param baseCRLNum the value to be set for the extension. + */ + public DeltaCRLIndicatorExtension(BigInteger baseCRLNum) throws IOException { + this.baseCRLNumber = new BigInt(baseCRLNum); + this.extensionId = PKIXExtensions.DeltaCRLIndicator_Id; + this.critical = true; + encodeThis(); + } + + /** + * Create a DeltaCRLIndicatorExtension with the BigInteger value. + * + * @param critical true if the extension is to be treated as critical. + * @param baseCRLNum the value to be set for the extension. + */ + public DeltaCRLIndicatorExtension(Boolean critical, BigInteger baseCRLNum) + throws IOException { + this.baseCRLNumber = new BigInt(baseCRLNum); + this.extensionId = PKIXExtensions.DeltaCRLIndicator_Id; + this.critical = critical.booleanValue(); + encodeThis(); + } + + /** + * Create the extension from the passed DER encoded value of the same. + * + * @param critical true if the extension is to be treated as critical. + * @param value Array of DER encoded bytes of the actual value. + * @exception IOException on error. + */ + public DeltaCRLIndicatorExtension(Boolean critical, Object value) + throws IOException { + this.extensionId = PKIXExtensions.DeltaCRLIndicator_Id; + this.critical = critical.booleanValue(); + + int len = Array.getLength(value); + byte[] extValue = new byte[len]; + for (int i = 0; i < len; i++) { + extValue[i] = Array.getByte(value, i); + } + this.extensionValue = extValue; + DerValue val = new DerValue(extValue); + this.baseCRLNumber = val.getInteger(); + } + + /** + * Set the attribute value. + */ + public void set(String name, Object obj) throws IOException { + if (name.equalsIgnoreCase(NUMBER)) { + if (!(obj instanceof BigInteger)) { + throw new IOException("Attribute must be of type BigInteger."); + } + baseCRLNumber = new BigInt((BigInteger)obj); + } else { + throw new IOException("Attribute name not recognized by"+ + " CertAttrSet:DeltaCRLIndicator."); + } + } + + /** + * Get the attribute value. + */ + public Object get(String name) throws IOException { + if (name.equalsIgnoreCase(NUMBER)) { + if (baseCRLNumber == null) return null; + else return baseCRLNumber.toBigInteger(); + } else { + throw new IOException("Attribute name not recognized by"+ + " CertAttrSet:DeltaCRLIndicator."); + } + } + + /** + * Delete the attribute value. + */ + public void delete(String name) throws IOException { + if (name.equalsIgnoreCase(NUMBER)) { + baseCRLNumber = null; + } else { + throw new IOException("Attribute name not recognized by"+ + " CertAttrSet:DeltaCRLIndicator."); + } + } + + /** + * Returns a printable representation of the DeltaCRLIndicatorExtension. + */ + public String toString() { + String s = super.toString() + "Delta CRL Indicator: " + + ((baseCRLNumber == null) ? "": baseCRLNumber.toString()) + + "\n"; + return (s); + } + + /** + * Decode the extension from the InputStream. + * + * @param in the InputStream to unmarshal the contents from. + * @exception IOException on decoding or validity errors. + */ + public void decode(InputStream in) throws IOException { + throw new IOException("Method not to be called directly."); + } + + /** + * Write the extension to the DerOutputStream. + * + * @param out the DerOutputStream to write the extension to. + * @exception IOException on encoding errors. + */ + public void encode(OutputStream out) throws IOException { + DerOutputStream tmp = new DerOutputStream(); + + if (this.extensionValue == null) { + this.extensionId = PKIXExtensions.DeltaCRLIndicator_Id; + this.critical = true; + encodeThis(); + } + super.encode(tmp); + out.write(tmp.toByteArray()); + } + + /** + * Return an enumeration of names of attributes existing within this + * attribute. + */ + public Enumeration getElements () { + AttributeNameEnumeration elements = new AttributeNameEnumeration(); + elements.addElement(NUMBER); + return (elements.elements()); + } + + /** + * Return the name of this attribute. + */ + public String getName () { + return (NAME); + } +} + |