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274 lines
8.5 KiB
Java
274 lines
8.5 KiB
Java
/* KeyStoreSpi.java --- Key Store Service Provider Interface
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Copyright (C) 1999 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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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.InputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.security.cert.CertificateException;
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import java.util.Date;
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import java.util.Enumeration;
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/**
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KeyStoreSpi is the Service Provider Interface (SPI) for the
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KeyStore class. This is the interface for providers to
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supply to implement a keystore for a particular keystore
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type.
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@since JDK 1.2
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@author Mark Benvenuto
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*/
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public abstract class KeyStoreSpi
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{
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/**
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Constructs a new KeyStoreSpi
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*/
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public KeyStoreSpi()
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{
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}
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/**
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Returns the key associated with given alias using the
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supplied password.
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@param alias an alias for the key to get
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@param password password to access key with
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@return the requested key, or null otherwise
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@throws NoSuchAlgorithmException if there is no algorithm
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for recovering the key
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@throws UnrecoverableKeyException key cannot be reocovered
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(wrong password).
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*/
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public abstract Key engineGetKey(String alias, char[]password)
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throws NoSuchAlgorithmException, UnrecoverableKeyException;
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/**
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Gets a Certificate chain for the specified alias.
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@param alias the alias name
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@return a chain of Certificates ( ordered from the user's
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certificate to the Certificate Authority's ) or
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null if the alias does not exist or there is no
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certificate chain for the alias ( the alias refers
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to a trusted certificate entry or there is no entry).
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*/
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public abstract java.security.cert.
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Certificate[] engineGetCertificateChain(String alias);
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/**
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Gets a Certificate for the specified alias.
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If there is a trusted certificate entry then that is returned.
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it there is a key entry with a certificate chain then the
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first certificate is return or else null.
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@param alias the alias name
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@return a Certificate or null if the alias does not exist
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or there is no certificate for the alias
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*/
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public abstract java.security.cert.
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Certificate engineGetCertificate(String alias);
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/**
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Gets entry creation date for the specified alias.
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@param alias the alias name
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@returns the entry creation date or null
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*/
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public abstract Date engineGetCreationDate(String alias);
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/**
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Assign the key to the alias in the keystore, protecting it
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with the given password. It will overwrite an existing
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entry and if the key is a PrivateKey, also add the
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certificate chain representing the corresponding public key.
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@param alias the alias name
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@param key the key to add
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@password the password to protect with
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@param chain the certificate chain for the corresponding
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public key
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@throws KeyStoreException if it fails
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*/
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public abstract void engineSetKeyEntry(String alias, Key key,
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char[]password,
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java.security.cert.
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Certificate[]chain) throws
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KeyStoreException;
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/**
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Assign the key to the alias in the keystore. It will overwrite
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an existing entry and if the key is a PrivateKey, also
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add the certificate chain representing the corresponding
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public key.
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@param alias the alias name
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@param key the key to add
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@param chain the certificate chain for the corresponding
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public key
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@throws KeyStoreException if it fails
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*/
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public abstract void engineSetKeyEntry(String alias, byte[]key,
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java.security.cert.
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Certificate[]chain) throws
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KeyStoreException;
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/**
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Assign the certificate to the alias in the keystore. It
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will overwrite an existing entry.
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@param alias the alias name
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@param cert the certificate to add
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@throws KeyStoreException if it fails
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*/
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public abstract void engineSetCertificateEntry(String alias,
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java.security.cert.
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Certificate cert) throws
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KeyStoreException;
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/**
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Deletes the entry for the specified entry.
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@param alias the alias name
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@throws KeyStoreException if it fails
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*/
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public abstract void engineDeleteEntry(String alias)
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throws KeyStoreException;
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/**
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Generates a list of all the aliases in the keystore.
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@return an Enumeration of the aliases
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*/
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public abstract Enumeration engineAliases();
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/**
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Determines if the keystore contains the specified alias.
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@param alias the alias name
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@return true if it contains the alias, false otherwise
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*/
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public abstract boolean engineContainsAlias(String alias);
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/**
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Returns the number of entries in the keystore.
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@returns the number of keystore entries.
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*/
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public abstract int engineSize();
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/**
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Determines if the keystore contains a key entry for
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the specified alias.
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@param alias the alias name
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@return true if it is a key entry, false otherwise
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*/
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public abstract boolean engineIsKeyEntry(String alias);
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/**
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Determines if the keystore contains a certificate entry for
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the specified alias.
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@param alias the alias name
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@return true if it is a certificate entry, false otherwise
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*/
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public abstract boolean engineIsCertificateEntry(String alias);
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/**
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Determines if the keystore contains the specified certificate
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entry and returns the alias.
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It checks every entry and for a key entry checks only the
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first certificate in the chain.
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@param cert Certificate to look for
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@return alias of first matching certificate, null if it
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does not exist.
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*/
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public abstract String engineGetCertificateAlias(java.security.cert.
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Certificate cert);
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/**
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Stores the keystore in the specified output stream and it
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uses the specified key it keep it secure.
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@param stream the output stream to save the keystore to
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@param password the password to protect the keystore integrity with
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@throws IOException if an I/O error occurs.
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@throws NoSuchAlgorithmException the data integrity algorithm
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used cannot be found.
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@throws CertificateException if any certificates could not be
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stored in the output stream.
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*/
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public abstract void engineStore(OutputStream stream, char[]password)
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throws IOException, NoSuchAlgorithmException, CertificateException;
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/**
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Loads the keystore from the specified input stream and it
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uses the specified password to check for integrity if supplied.
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@param stream the input stream to load the keystore from
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@param password the password to check the keystore integrity with
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@throws IOException if an I/O error occurs.
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@throws NoSuchAlgorithmException the data integrity algorithm
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used cannot be found.
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@throws CertificateException if any certificates could not be
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stored in the output stream.
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*/
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public abstract void engineLoad(InputStream stream, char[]password)
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throws IOException, NoSuchAlgorithmException, CertificateException;
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}
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