diff options
Diffstat (limited to 'pki/base/util/src/netscape/security/x509/Extension.java')
| -rw-r--r-- | pki/base/util/src/netscape/security/x509/Extension.java | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/pki/base/util/src/netscape/security/x509/Extension.java b/pki/base/util/src/netscape/security/x509/Extension.java deleted file mode 100644 index 7dc9e2890..000000000 --- a/pki/base/util/src/netscape/security/x509/Extension.java +++ /dev/null @@ -1,199 +0,0 @@ -// --- 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.Serializable; - -import netscape.security.util.DerInputStream; -import netscape.security.util.DerOutputStream; -import netscape.security.util.DerValue; -import netscape.security.util.ObjectIdentifier; - -/** - * Represent a X509 Extension Attribute. - * - * <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). - * - * <pre> - * ASN.1 definition of Extension: - * Extension ::= SEQUENCE { - * ExtensionId OBJECT IDENTIFIER, - * critical BOOLEAN DEFAULT FALSE, - * extensionValue OCTET STRING - * } - * </pre> - * - * @author Amit Kapoor - * @author Hemma Prafullchandra - * @version 1.9 - */ -public class Extension implements Serializable { - /** - * - */ - private static final long serialVersionUID = -643549610716024753L; - protected ObjectIdentifier extensionId = null; - protected boolean critical = false; - protected byte[] extensionValue = null; - - /** - * Default constructor. Used only by sub-classes. - */ - public Extension() { - } - - /** - * Constructs an extension from a DER encoded array of bytes. - */ - public Extension(DerValue derVal) throws IOException { - - DerInputStream in = derVal.toDerInputStream(); - - // Object identifier - extensionId = in.getOID(); - - // If the criticality flag was false, it will not have been encoded. - DerValue val = in.getDerValue(); - if (val.tag == DerValue.tag_Boolean) { - critical = val.getBoolean(); - - // Extension value (DER encoded) - val = in.getDerValue(); - extensionValue = val.getOctetString(); - } else { - critical = false; - extensionValue = val.getOctetString(); - } - } - - /** - * Constructs an Extension from individual components of ObjectIdentifier, - * criticality and the DER encoded OctetString. - * - * @param extensionId the ObjectIdentifier of the extension - * @param critical the boolean indicating if the extension is critical - * @param extensionValue the DER encoded octet string of the value. - */ - public Extension(ObjectIdentifier extensionId, boolean critical, - byte[] extensionValue) throws IOException { - this.extensionId = extensionId; - this.critical = critical; - // passed in a DER encoded octet string, strip off the tag - // and length - DerValue inDerVal = new DerValue(extensionValue); - this.extensionValue = inDerVal.getOctetString(); - } - - /** - * Constructs an Extension from another extension. To be used for - * creating decoded subclasses. - * - * @param ext the extension to create from. - */ - public Extension(Extension ext) { - this.extensionId = ext.extensionId; - this.critical = ext.critical; - this.extensionValue = ext.extensionValue; - } - - /** - * Write the extension to the DerOutputStream. - * - * @param out the DerOutputStream to write the extension to. - * @exception IOException on encoding errors - */ - public void encode(DerOutputStream out) throws IOException { - DerOutputStream bytes = new DerOutputStream(); - - if (extensionId == null) - throw new IOException("Null OID to encode for the extension!"); - - bytes.putOID(extensionId); - if (critical) - bytes.putBoolean(critical); - if (extensionValue != null) - bytes.putOctetString(extensionValue); - - out.write(DerValue.tag_Sequence, bytes); - } - - /** - * Returns true if extension is critical. - */ - public boolean isCritical() { - return (critical); - } - - public void setCritical(boolean c) { - critical = c; - } - - public void clearValue() { - extensionValue = null; - } - - /** - * Returns the ObjectIdentifier of the extension. - */ - public ObjectIdentifier getExtensionId() { - return (extensionId); - } - - public void setExtensionId(ObjectIdentifier oid) { - extensionId = oid; - } - - /** - * Returns the extension value as an byte array for further processing. - * Note, this is the raw DER value of the extension, not the DER - * encoded octet string which is in the certificate. - */ - public byte[] getExtensionValue() { - if (extensionValue == null) - return null; - - byte[] dup = new byte[extensionValue.length]; - System.arraycopy(extensionValue, 0, dup, 0, dup.length); - return dup; - } - - public void setExtensionValue(byte value[]) { - extensionValue = value; - } - - /** - * Returns the Extension in user readable form. - */ - public String toString() { - String s = "ObjectId: " + extensionId.toString(); - if (critical) { - s += " Criticality=true\n"; - } else { - s += " Criticality=false\n"; - } - return (s); - } -} |