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author | Endi Sukma Dewata <edewata@redhat.com> | 2012-03-24 02:27:47 -0500 |
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committer | Endi Sukma Dewata <edewata@redhat.com> | 2012-03-26 11:43:54 -0500 |
commit | 621d9e5c413e561293d7484b93882d985b3fe15f (patch) | |
tree | 638f3d75761c121d9a8fb50b52a12a6686c5ac5c /base/util/src/netscape/security/x509/SubjectKeyIdentifierExtension.java | |
parent | 40d3643b8d91886bf210aa27f711731c81a11e49 (diff) | |
download | pki-621d9e5c413e561293d7484b93882d985b3fe15f.tar.gz pki-621d9e5c413e561293d7484b93882d985b3fe15f.tar.xz pki-621d9e5c413e561293d7484b93882d985b3fe15f.zip |
Removed unnecessary pki folder.
Previously the source code was located inside a pki folder.
This folder was created during svn migration and is no longer
needed. This folder has now been removed and the contents have
been moved up one level.
Ticket #131
Diffstat (limited to 'base/util/src/netscape/security/x509/SubjectKeyIdentifierExtension.java')
-rw-r--r-- | base/util/src/netscape/security/x509/SubjectKeyIdentifierExtension.java | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/base/util/src/netscape/security/x509/SubjectKeyIdentifierExtension.java b/base/util/src/netscape/security/x509/SubjectKeyIdentifierExtension.java new file mode 100644 index 000000000..ea0ebae82 --- /dev/null +++ b/base/util/src/netscape/security/x509/SubjectKeyIdentifierExtension.java @@ -0,0 +1,222 @@ +// --- 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.util.Enumeration; +import java.util.Vector; + +import netscape.security.util.DerOutputStream; +import netscape.security.util.DerValue; + +/** + * Represent the Subject Key Identifier Extension. + * + * This extension, if present, provides a means of identifying the particular + * public key used in an application. This extension by default is marked + * non-critical. + * + * <p> + * Extensions are addiitonal attributes which can be inserted in a X509 v3 certificate. For example a + * "Driving License Certificate" could have the driving license number as a extension. + * + * <p> + * Extensions are represented as a sequence of the extension identifier (Object Identifier), a boolean flag stating + * whether the extension is to be treated as being critical and the extension value itself (this is again a DER encoding + * of the extension value). + * + * @author Amit Kapoor + * @author Hemma Prafullchandra + * @version 1.7 + * @see Extension + * @see CertAttrSet + */ +public class SubjectKeyIdentifierExtension extends Extension + implements CertAttrSet { + /** + * + */ + private static final long serialVersionUID = 2457721262590880939L; + /** + * Identifier for this attribute, to be used with the + * get, set, delete methods of Certificate, x509 type. + */ + public static final String IDENT = + "x509.info.extensions.SubjectKeyIdentifier"; + /** + * Attribute names. + */ + public static final String NAME = "SubjectKeyIdentifier"; + public static final String KEY_ID = "key_id"; + + // Private data member + private KeyIdentifier id; + + // Encode this extension value + private void encodeThis() throws IOException { + DerOutputStream os = new DerOutputStream(); + id.encode(os); + extensionValue = os.toByteArray(); + } + + /** + * Create a SubjectKeyIdentifierExtension with the passed octet string. + * The criticality is set to False. + * + * @param octetString the octet string identifying the key identifier. + */ + public SubjectKeyIdentifierExtension(boolean critical, byte[] octetString) + throws IOException { + id = new KeyIdentifier(octetString); + + this.extensionId = PKIXExtensions.SubjectKey_Id; + this.critical = critical; + encodeThis(); + } + + public SubjectKeyIdentifierExtension(byte[] octetString) + throws IOException { + id = new KeyIdentifier(octetString); + + this.extensionId = PKIXExtensions.SubjectKey_Id; + this.critical = false; + encodeThis(); + } + + /** + * Create the extension from the passed DER encoded value. + * + * @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 SubjectKeyIdentifierExtension(Boolean critical, Object value) + throws IOException { + this.extensionId = PKIXExtensions.SubjectKey_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.id = new KeyIdentifier(val); + } + + /** + * Returns a printable representation. + */ + public String toString() { + if (id == null) + return ""; + String s = super.toString() + "SubjectKeyIdentifier [\n" + + id.toString() + "]\n"; + return (s); + } + + /** + * Write the extension to the OutputStream. + * + * @param out the OutputStream to write the extension to. + * @exception IOException on encoding errors. + */ + public void encode(OutputStream out) throws IOException { + DerOutputStream tmp = new DerOutputStream(); + if (extensionValue == null) { + extensionId = PKIXExtensions.SubjectKey_Id; + critical = false; + encodeThis(); + } + super.encode(tmp); + out.write(tmp.toByteArray()); + } + + /** + * 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."); + } + + /** + * Set the attribute value. + */ + public void set(String name, Object obj) throws IOException { + clearValue(); + if (name.equalsIgnoreCase(KEY_ID)) { + if (!(obj instanceof KeyIdentifier)) { + throw new IOException("Attribute value should be of" + + " type KeyIdentifier."); + } + id = (KeyIdentifier) obj; + } else { + throw new IOException("Attribute name not recognized by " + + "CertAttrSet:SubjectKeyIdentifierExtension."); + } + } + + /** + * Get the attribute value. + */ + public Object get(String name) throws IOException { + if (name.equalsIgnoreCase(KEY_ID)) { + return (id); + } else { + throw new IOException("Attribute name not recognized by " + + "CertAttrSet:SubjectKeyIdentifierExtension."); + } + } + + /** + * Delete the attribute value. + */ + public void delete(String name) throws IOException { + if (name.equalsIgnoreCase(KEY_ID)) { + id = null; + } else { + throw new IOException("Attribute name not recognized by " + + "CertAttrSet:SubjectKeyIdentifierExtension."); + } + } + + /** + * Return an enumeration of names of attributes existing within this + * attribute. + */ + public Enumeration<String> getAttributeNames() { + Vector<String> elements = new Vector<String>(); + elements.addElement(KEY_ID); + + return (elements.elements()); + } + + /** + * Return the name of this attribute. + */ + public String getName() { + return (NAME); + } +} |