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jeremybenn |
/* Certificate.java -- deprecated interface for modeling digital certificates
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Copyright (C) 1998, 2002, 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 java.security;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* This interface models a digital certificate which verifies the
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* authenticity of a party. This class simply allows certificate
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* information to be queried, it does not guarantee that the certificate
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* is valid.
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*
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* <p>This class is deprecated in favor of the new java.security.cert package.
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* It exists for backward compatibility only.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @since 1.1
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* @deprecated use {@link java.security.cert} instead
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* @status updated to 1.4
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*/
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public interface Certificate
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{
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/**
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* This method returns the <code>Principal</code> that is guaranteeing
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* this certificate.
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*
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* @return the <code>Principal</code> guaranteeing the certificate
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*/
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Principal getGuarantor();
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/**
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* This method returns the <code>Principal</code> being guaranteed by
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* this certificate.
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*
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* @return the <code>Principal</code> guaranteed by this certificate
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*/
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Principal getPrincipal();
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/**
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* This method returns the public key for the <code>Principal</code> that
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* is being guaranteed.
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*
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* @return the <code>PublicKey</code> of the Principal being guaranteed
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*/
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PublicKey getPublicKey();
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/**
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* This method writes the certificate to an <code>OutputStream</code> in
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* a format that can be understood by the <code>decode</code> method.
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*
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* @param out the <code>OutputStream</code> to write to
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* @throws KeyException if there is a problem with the certificate
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* @throws IOException if an error occurs writing to the stream
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* @see #decode(InputStream)
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* @see #getFormat()
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*/
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void encode(OutputStream out) throws KeyException, IOException;
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/**
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* This method reads an encoded certificate from an <code>InputStream</code>.
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*
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* @param in the <code>InputStream</code> to read from
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* @throws KeyException if there is a problem with the certificate data
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* @throws IOException if an error occurs reading from the stream
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* @see #encode(OutputStream)
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* @see #getFormat()
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*/
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void decode(InputStream in) throws KeyException, IOException;
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/**
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* This method returns the encoding format of the certificate (e.g., "PGP",
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* "X.509"). This format is used by the <code>encode</code> and
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* <code>decode</code> methods.
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*
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* @return the encoding format being used
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*/
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String getFormat();
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/**
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* This method returns a <code>String</code> representation of the contents
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* of this certificate.
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*
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* @param detail true to provided more detailed information
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* @return the string representation
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*/
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String toString(boolean detail);
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} // interface Certificate
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