78 lines
3.2 KiB
Java
78 lines
3.2 KiB
Java
/*
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.security.cert;
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/**
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* <p>Performs one or more checks on each {@code Certificate} of a
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* {@code CertPath}.
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*
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* <p>A {@code CertPathChecker} implementation is typically created to extend
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* a certification path validation algorithm. For example, an implementation
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* may check for and process a critical private extension of each certificate
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* in a certification path.
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*
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* @since 1.8
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*/
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public interface CertPathChecker {
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/**
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* Initializes the internal state of this {@code CertPathChecker}.
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*
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* <p>The {@code forward} flag specifies the order that certificates will
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* be passed to the {@link #check check} method (forward or reverse).
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*
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* @param forward the order that certificates are presented to the
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* {@code check} method. If {@code true}, certificates are
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* presented from target to trust anchor (forward); if
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* {@code false}, from trust anchor to target (reverse).
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* @throws CertPathValidatorException if this {@code CertPathChecker} is
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* unable to check certificates in the specified order
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*/
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void init(boolean forward) throws CertPathValidatorException;
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/**
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* Indicates if forward checking is supported. Forward checking refers
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* to the ability of the {@code CertPathChecker} to perform its checks
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* when certificates are presented to the {@code check} method in the
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* forward direction (from target to trust anchor).
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*
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* @return {@code true} if forward checking is supported, {@code false}
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* otherwise
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*/
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boolean isForwardCheckingSupported();
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/**
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* Performs the check(s) on the specified certificate using its internal
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* state. The certificates are presented in the order specified by the
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* {@code init} method.
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*
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* @param cert the {@code Certificate} to be checked
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* @throws CertPathValidatorException if the specified certificate does
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* not pass the check
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*/
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void check(Certificate cert) throws CertPathValidatorException;
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}
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