115 lines
3.8 KiB
Java
115 lines
3.8 KiB
Java
/* Certificate.java -- Interface for modeling digital certificates
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Copyright (C) 1998 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., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.security;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.IOException;
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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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* <p>
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* 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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* @deprecated
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*
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* @version 0.0
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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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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public abstract 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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public abstract 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 <code>Principal</code> being guaranteed
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*/
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public abstract PublicKey getPublicKey();
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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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public abstract String getFormat();
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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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*
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* @exception KeyException If there is a problem with the internals of this certificate
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* @exception IOException If an error occurs writing to the stream.
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*/
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public abstract void
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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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*
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* @param KeyException If there is a problem with the certificate data
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* @param IOException If an error occurs reading from the stream.
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*/
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public abstract void
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decode(InputStream in) throws KeyException, IOException;
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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 <code>true</code> to provided detailed information about this certificate, <code>false</code> otherwise
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*/
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public abstract String toString(boolean detail);
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}
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