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⏎ java/security/KeyStoreSpi.java
/*
* Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.security;
import java.io.*;
import java.util.*;
import java.security.KeyStore.*;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import javax.crypto.SecretKey;
import javax.security.auth.callback.*;
/**
* This class defines the <i>Service Provider Interface</i> (<b>SPI</b>)
* for the {@code KeyStore} class.
* All the abstract methods in this class must be implemented by each
* cryptographic service provider who wishes to supply the implementation
* of a keystore for a particular keystore type.
*
* @author Jan Luehe
*
*
* @see KeyStore
*
* @since 1.2
*/
public abstract class KeyStoreSpi {
/**
* Returns the key associated with the given alias, using the given
* password to recover it. The key must have been associated with
* the alias by a call to {@code setKeyEntry},
* or by a call to {@code setEntry} with a
* {@code PrivateKeyEntry} or {@code SecretKeyEntry}.
*
* @param alias the alias name
* @param password the password for recovering the key
*
* @return the requested key, or null if the given alias does not exist
* or does not identify a key-related entry.
*
* @exception NoSuchAlgorithmException if the algorithm for recovering the
* key cannot be found
* @exception UnrecoverableKeyException if the key cannot be recovered
* (e.g., the given password is wrong).
*/
public abstract Key engineGetKey(String alias, char[] password)
throws NoSuchAlgorithmException, UnrecoverableKeyException;
/**
* Returns the certificate chain associated with the given alias.
* The certificate chain must have been associated with the alias
* by a call to {@code setKeyEntry},
* or by a call to {@code setEntry} with a
* {@code PrivateKeyEntry}.
*
* @param alias the alias name
*
* @return the certificate chain (ordered with the user's certificate first
* and the root certificate authority last), or null if the given alias
* does not exist or does not contain a certificate chain
*/
public abstract Certificate[] engineGetCertificateChain(String alias);
/**
* Returns the certificate associated with the given alias.
*
* <p> If the given alias name identifies an entry
* created by a call to {@code setCertificateEntry},
* or created by a call to {@code setEntry} with a
* {@code TrustedCertificateEntry},
* then the trusted certificate contained in that entry is returned.
*
* <p> If the given alias name identifies an entry
* created by a call to {@code setKeyEntry},
* or created by a call to {@code setEntry} with a
* {@code PrivateKeyEntry},
* then the first element of the certificate chain in that entry
* (if a chain exists) is returned.
*
* @param alias the alias name
*
* @return the certificate, or null if the given alias does not exist or
* does not contain a certificate.
*/
public abstract Certificate engineGetCertificate(String alias);
/**
* Returns the creation date of the entry identified by the given alias.
*
* @param alias the alias name
*
* @return the creation date of this entry, or null if the given alias does
* not exist
*/
public abstract Date engineGetCreationDate(String alias);
/**
* Assigns the given key to the given alias, protecting it with the given
* password.
*
* <p>If the given key is of type {@code java.security.PrivateKey},
* it must be accompanied by a certificate chain certifying the
* corresponding public key.
*
* <p>If the given alias already exists, the keystore information
* associated with it is overridden by the given key (and possibly
* certificate chain).
*
* @param alias the alias name
* @param key the key to be associated with the alias
* @param password the password to protect the key
* @param chain the certificate chain for the corresponding public
* key (only required if the given key is of type
* {@code java.security.PrivateKey}).
*
* @exception KeyStoreException if the given key cannot be protected, or
* this operation fails for some other reason
*/
public abstract void engineSetKeyEntry(String alias, Key key,
char[] password,
Certificate[] chain)
throws KeyStoreException;
/**
* Assigns the given key (that has already been protected) to the given
* alias.
*
* <p>If the protected key is of type
* {@code java.security.PrivateKey},
* it must be accompanied by a certificate chain certifying the
* corresponding public key.
*
* <p>If the given alias already exists, the keystore information
* associated with it is overridden by the given key (and possibly
* certificate chain).
*
* @param alias the alias name
* @param key the key (in protected format) to be associated with the alias
* @param chain the certificate chain for the corresponding public
* key (only useful if the protected key is of type
* {@code java.security.PrivateKey}).
*
* @exception KeyStoreException if this operation fails.
*/
public abstract void engineSetKeyEntry(String alias, byte[] key,
Certificate[] chain)
throws KeyStoreException;
/**
* Assigns the given certificate to the given alias.
*
* <p> If the given alias identifies an existing entry
* created by a call to {@code setCertificateEntry},
* or created by a call to {@code setEntry} with a
* {@code TrustedCertificateEntry},
* the trusted certificate in the existing entry
* is overridden by the given certificate.
*
* @param alias the alias name
* @param cert the certificate
*
* @exception KeyStoreException if the given alias already exists and does
* not identify an entry containing a trusted certificate,
* or this operation fails for some other reason.
*/
public abstract void engineSetCertificateEntry(String alias,
Certificate cert)
throws KeyStoreException;
/**
* Deletes the entry identified by the given alias from this keystore.
*
* @param alias the alias name
*
* @exception KeyStoreException if the entry cannot be removed.
*/
public abstract void engineDeleteEntry(String alias)
throws KeyStoreException;
/**
* Lists all the alias names of this keystore.
*
* @return enumeration of the alias names
*/
public abstract Enumeration<String> engineAliases();
/**
* Checks if the given alias exists in this keystore.
*
* @param alias the alias name
*
* @return true if the alias exists, false otherwise
*/
public abstract boolean engineContainsAlias(String alias);
/**
* Retrieves the number of entries in this keystore.
*
* @return the number of entries in this keystore
*/
public abstract int engineSize();
/**
* Returns true if the entry identified by the given alias
* was created by a call to {@code setKeyEntry},
* or created by a call to {@code setEntry} with a
* {@code PrivateKeyEntry} or a {@code SecretKeyEntry}.
*
* @param alias the alias for the keystore entry to be checked
*
* @return true if the entry identified by the given alias is a
* key-related, false otherwise.
*/
public abstract boolean engineIsKeyEntry(String alias);
/**
* Returns true if the entry identified by the given alias
* was created by a call to {@code setCertificateEntry},
* or created by a call to {@code setEntry} with a
* {@code TrustedCertificateEntry}.
*
* @param alias the alias for the keystore entry to be checked
*
* @return true if the entry identified by the given alias contains a
* trusted certificate, false otherwise.
*/
public abstract boolean engineIsCertificateEntry(String alias);
/**
* Returns the (alias) name of the first keystore entry whose certificate
* matches the given certificate.
*
* <p>This method attempts to match the given certificate with each
* keystore entry. If the entry being considered was
* created by a call to {@code setCertificateEntry},
* or created by a call to {@code setEntry} with a
* {@code TrustedCertificateEntry},
* then the given certificate is compared to that entry's certificate.
*
* <p> If the entry being considered was
* created by a call to {@code setKeyEntry},
* or created by a call to {@code setEntry} with a
* {@code PrivateKeyEntry},
* then the given certificate is compared to the first
* element of that entry's certificate chain.
*
* @param cert the certificate to match with.
*
* @return the alias name of the first entry with matching certificate,
* or null if no such entry exists in this keystore.
*/
public abstract String engineGetCertificateAlias(Certificate cert);
/**
* Stores this keystore to the given output stream, and protects its
* integrity with the given password.
*
* @param stream the output stream to which this keystore is written.
* @param password the password to generate the keystore integrity check
*
* @exception IOException if there was an I/O problem with data
* @exception NoSuchAlgorithmException if the appropriate data integrity
* algorithm could not be found
* @exception CertificateException if any of the certificates included in
* the keystore data could not be stored
*/
public abstract void engineStore(OutputStream stream, char[] password)
throws IOException, NoSuchAlgorithmException, CertificateException;
/**
* Stores this keystore using the given
* {@code KeyStore.LoadStoreParmeter}.
*
* @param param the {@code KeyStore.LoadStoreParmeter}
* that specifies how to store the keystore,
* which may be {@code null}
*
* @exception IllegalArgumentException if the given
* {@code KeyStore.LoadStoreParmeter}
* input is not recognized
* @exception IOException if there was an I/O problem with data
* @exception NoSuchAlgorithmException if the appropriate data integrity
* algorithm could not be found
* @exception CertificateException if any of the certificates included in
* the keystore data could not be stored
*
* @since 1.5
*/
public void engineStore(KeyStore.LoadStoreParameter param)
throws IOException, NoSuchAlgorithmException,
CertificateException {
throw new UnsupportedOperationException();
}
/**
* Loads the keystore from the given input stream.
*
* <p>A password may be given to unlock the keystore
* (e.g. the keystore resides on a hardware token device),
* or to check the integrity of the keystore data.
* If a password is not given for integrity checking,
* then integrity checking is not performed.
*
* @param stream the input stream from which the keystore is loaded,
* or {@code null}
* @param password the password used to check the integrity of
* the keystore, the password used to unlock the keystore,
* or {@code null}
*
* @exception IOException if there is an I/O or format problem with the
* keystore data, if a password is required but not given,
* or if the given password was incorrect. If the error is due to a
* wrong password, the {@link Throwable#getCause cause} of the
* {@code IOException} should be an
* {@code UnrecoverableKeyException}
* @exception NoSuchAlgorithmException if the algorithm used to check
* the integrity of the keystore cannot be found
* @exception CertificateException if any of the certificates in the
* keystore could not be loaded
*/
public abstract void engineLoad(InputStream stream, char[] password)
throws IOException, NoSuchAlgorithmException, CertificateException;
/**
* Loads the keystore using the given
* {@code KeyStore.LoadStoreParameter}.
*
* <p> Note that if this KeyStore has already been loaded, it is
* reinitialized and loaded again from the given parameter.
*
* @param param the {@code KeyStore.LoadStoreParameter}
* that specifies how to load the keystore,
* which may be {@code null}
*
* @implSpec
* The default implementation examines {@code KeyStore.LoadStoreParameter}
* to extract its password and pass it to
* {@link KeyStoreSpi#engineLoad(InputStream, char[])} along with a
* {@code null} {@code InputStream}.
* <p>
* If {@code KeyStore.LoadStoreParameter} is {@code null} then
* the password parameter will also be {@code null}.
* Otherwise the {@code KeyStore.ProtectionParameter} of
* {@code KeyStore.LoadStoreParameter} must be either a
* {@code KeyStore.PasswordProtection} or a
* {@code KeyStore.CallbackHandlerProtection} that supports
* {@code PasswordCallback} so that the password parameter can be
* extracted. If the {@code KeyStore.ProtectionParameter} is neither
* of those classes then a {@code NoSuchAlgorithmException} is thrown.
*
* @exception IllegalArgumentException if the given
* {@code KeyStore.LoadStoreParameter}
* input is not recognized
* @exception IOException if there is an I/O or format problem with the
* keystore data. If the error is due to an incorrect
* {@code ProtectionParameter} (e.g. wrong password)
* the {@link Throwable#getCause cause} of the
* {@code IOException} should be an
* {@code UnrecoverableKeyException}
* @exception NoSuchAlgorithmException if the algorithm used to check
* the integrity of the keystore cannot be found
* @exception CertificateException if any of the certificates in the
* keystore could not be loaded
*
* @since 1.5
*/
public void engineLoad(KeyStore.LoadStoreParameter param)
throws IOException, NoSuchAlgorithmException,
CertificateException {
engineLoad(null, param);
}
void engineLoad(InputStream stream, KeyStore.LoadStoreParameter param)
throws IOException, NoSuchAlgorithmException,
CertificateException {
if (param == null) {
engineLoad((InputStream)null, (char[])null);
return;
}
ProtectionParameter protection = param.getProtectionParameter();
char[] password;
if (protection instanceof PasswordProtection) {
password = ((PasswordProtection)protection).getPassword();
} else if (protection instanceof CallbackHandlerProtection) {
CallbackHandler handler =
((CallbackHandlerProtection)protection).getCallbackHandler();
PasswordCallback callback =
new PasswordCallback("Password: ", false);
try {
handler.handle(new Callback[] {callback});
} catch (UnsupportedCallbackException e) {
throw new NoSuchAlgorithmException
("Could not obtain password", e);
}
password = callback.getPassword();
callback.clearPassword();
if (password == null) {
throw new NoSuchAlgorithmException("No password provided");
}
} else {
throw new NoSuchAlgorithmException("ProtectionParameter must"
+ " be PasswordProtection or CallbackHandlerProtection");
}
engineLoad(stream, password);
return;
}
/**
* Gets a {@code KeyStore.Entry} for the specified alias
* with the specified protection parameter.
*
* @param alias get the {@code KeyStore.Entry} for this alias
* @param protParam the {@code ProtectionParameter}
* used to protect the {@code Entry},
* which may be {@code null}
*
* @return the {@code KeyStore.Entry} for the specified alias,
* or {@code null} if there is no such entry
*
* @exception KeyStoreException if the operation failed
* @exception NoSuchAlgorithmException if the algorithm for recovering the
* entry cannot be found
* @exception UnrecoverableEntryException if the specified
* {@code protParam} were insufficient or invalid
* @exception UnrecoverableKeyException if the entry is a
* {@code PrivateKeyEntry} or {@code SecretKeyEntry}
* and the specified {@code protParam} does not contain
* the information needed to recover the key (e.g. wrong password)
*
* @since 1.5
*/
public KeyStore.Entry engineGetEntry(String alias,
KeyStore.ProtectionParameter protParam)
throws KeyStoreException, NoSuchAlgorithmException,
UnrecoverableEntryException {
if (!engineContainsAlias(alias)) {
return null;
}
if (protParam == null) {
if (engineIsCertificateEntry(alias)) {
return new KeyStore.TrustedCertificateEntry
(engineGetCertificate(alias));
} else {
throw new UnrecoverableKeyException
("requested entry requires a password");
}
}
if (protParam instanceof KeyStore.PasswordProtection) {
if (engineIsCertificateEntry(alias)) {
throw new UnsupportedOperationException
("trusted certificate entries are not password-protected");
} else if (engineIsKeyEntry(alias)) {
KeyStore.PasswordProtection pp =
(KeyStore.PasswordProtection)protParam;
if (pp.getProtectionAlgorithm() != null) {
throw new KeyStoreException(
"unsupported password protection algorithm");
}
char[] password = pp.getPassword();
Key key = engineGetKey(alias, password);
if (key instanceof PrivateKey) {
Certificate[] chain = engineGetCertificateChain(alias);
return new KeyStore.PrivateKeyEntry((PrivateKey)key, chain);
} else if (key instanceof SecretKey) {
return new KeyStore.SecretKeyEntry((SecretKey)key);
}
}
}
throw new UnsupportedOperationException();
}
/**
* Saves a {@code KeyStore.Entry} under the specified alias.
* The specified protection parameter is used to protect the
* {@code Entry}.
*
* <p> If an entry already exists for the specified alias,
* it is overridden.
*
* @param alias save the {@code KeyStore.Entry} under this alias
* @param entry the {@code Entry} to save
* @param protParam the {@code ProtectionParameter}
* used to protect the {@code Entry},
* which may be {@code null}
*
* @exception KeyStoreException if this operation fails
*
* @since 1.5
*/
public void engineSetEntry(String alias, KeyStore.Entry entry,
KeyStore.ProtectionParameter protParam)
throws KeyStoreException {
// get password
if (protParam != null &&
!(protParam instanceof KeyStore.PasswordProtection)) {
throw new KeyStoreException("unsupported protection parameter");
}
KeyStore.PasswordProtection pProtect = null;
if (protParam != null) {
pProtect = (KeyStore.PasswordProtection)protParam;
if (pProtect.getProtectionAlgorithm() != null) {
throw new KeyStoreException(
"unsupported password protection algorithm");
}
}
// set entry
if (entry instanceof KeyStore.TrustedCertificateEntry) {
if (protParam != null && pProtect.getPassword() != null) {
// pre-1.5 style setCertificateEntry did not allow password
throw new KeyStoreException
("trusted certificate entries are not password-protected");
} else {
KeyStore.TrustedCertificateEntry tce =
(KeyStore.TrustedCertificateEntry)entry;
engineSetCertificateEntry(alias, tce.getTrustedCertificate());
return;
}
} else if (entry instanceof KeyStore.PrivateKeyEntry) {
if (pProtect == null || pProtect.getPassword() == null) {
// pre-1.5 style setKeyEntry required password
throw new KeyStoreException
("non-null password required to create PrivateKeyEntry");
} else {
engineSetKeyEntry
(alias,
((KeyStore.PrivateKeyEntry)entry).getPrivateKey(),
pProtect.getPassword(),
((KeyStore.PrivateKeyEntry)entry).getCertificateChain());
return;
}
} else if (entry instanceof KeyStore.SecretKeyEntry) {
if (pProtect == null || pProtect.getPassword() == null) {
// pre-1.5 style setKeyEntry required password
throw new KeyStoreException
("non-null password required to create SecretKeyEntry");
} else {
engineSetKeyEntry
(alias,
((KeyStore.SecretKeyEntry)entry).getSecretKey(),
pProtect.getPassword(),
(Certificate[])null);
return;
}
}
throw new KeyStoreException
("unsupported entry type: " + entry.getClass().getName());
}
/**
* Determines if the keystore {@code Entry} for the specified
* {@code alias} is an instance or subclass of the specified
* {@code entryClass}.
*
* @param alias the alias name
* @param entryClass the entry class
*
* @return true if the keystore {@code Entry} for the specified
* {@code alias} is an instance or subclass of the
* specified {@code entryClass}, false otherwise
*
* @since 1.5
*/
public boolean
engineEntryInstanceOf(String alias,
Class<? extends KeyStore.Entry> entryClass)
{
if (entryClass == KeyStore.TrustedCertificateEntry.class) {
return engineIsCertificateEntry(alias);
}
if (entryClass == KeyStore.PrivateKeyEntry.class) {
return engineIsKeyEntry(alias) &&
engineGetCertificate(alias) != null;
}
if (entryClass == KeyStore.SecretKeyEntry.class) {
return engineIsKeyEntry(alias) &&
engineGetCertificate(alias) == null;
}
return false;
}
/**
* Probes the specified input stream to determine whether it contains a
* keystore that is supported by this implementation, or not.
*
* @implSpec
* This method returns false by default. Keystore implementations should
* override this method to peek at the data stream directly or to use other
* content detection mechanisms.
*
* @param stream the keystore data to be probed
*
* @return true if the keystore data is supported, otherwise false
*
* @throws IOException if there is an I/O problem with the keystore data.
* @throws NullPointerException if stream is {@code null}.
*
* @since 9
*/
public boolean engineProbe(InputStream stream) throws IOException {
if (stream == null) {
throw new NullPointerException("input stream must not be null");
}
return false;
}
}
⏎ java/security/KeyStoreSpi.java
Or download all of them as a single archive file:
File name: java.base-11.0.1-src.zip File size: 8740354 bytes Release date: 2018-11-04 Download
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