X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libjava%2Fjava%2Fsecurity%2FKeyFactory.java;fp=libjava%2Fjava%2Fsecurity%2FKeyFactory.java;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=667c2fb4df31951c9044680dcf39cdd20838e98a;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libjava/java/security/KeyFactory.java b/libjava/java/security/KeyFactory.java deleted file mode 100644 index 667c2fb4..00000000 --- a/libjava/java/security/KeyFactory.java +++ /dev/null @@ -1,243 +0,0 @@ -/* KeyFactory.java --- Key Factory Class - Copyright (C) 1999 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -02111-1307 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.security; -import java.security.spec.KeySpec; -import java.security.spec.InvalidKeySpecException; - -/** - Key factories are used to convert keys (opaque cryptographic - keys of type Key) into key specifications (transparent - representations of the underlying key material). - - Key factories are bi-directional. They allow a key class - to be converted into a key specification (key material) and - back again. - - For example DSA public keys can be specified as - DSAPublicKeySpec or X509EncodedKeySpec. The key factory - translate these key specifications. - - @since JDK 1.2 - @author Mark Benvenuto - */ -public class KeyFactory -{ - private KeyFactorySpi keyFacSpi; - private Provider provider; - private String algorithm; - - /** - Constructs a new keyFactory with the specified parameters. - - @param keyFacSpi Key Factory SPI to use - @param provider the provider of the Key Factory SPI - @param algorithm the name of the key algorithm for this key factory - */ - protected KeyFactory(KeyFactorySpi keyFacSpi, Provider provider, - String algorithm) - { - this.keyFacSpi = keyFacSpi; - this.provider = provider; - this.algorithm = algorithm; - } - - /** - Gets an instance of the KeyFactory class representing - the specified key factory. If the algorithm is not - found then, it throws NoSuchAlgorithmException. - - @param algorithm the name of algorithm to choose - @return a KeyFactory repesenting the desired algorithm - - @throws NoSuchAlgorithmException if the algorithm is not implemented by providers - */ - public static KeyFactory getInstance(String algorithm) - throws NoSuchAlgorithmException - { - Provider[] p = Security.getProviders(); - - for (int i = 0; i < p.length; i++) - { - String classname = p[i].getProperty("KeyFactory." + algorithm); - if (classname != null) - return getInstance(classname, algorithm, p[i]); - } - - throw new NoSuchAlgorithmException(algorithm); - } - - /** - Gets an instance of the KeyFactory class representing - the specified key factory from the specified provider. - If the algorithm is not found then, it throws - NoSuchAlgorithmException. If the provider is not found, then - it throws NoSuchProviderException. - - @param algorithm the name of algorithm to choose - @param provider the name of the provider to find the algorithm in - @return a KeyFactory repesenting the desired algorithm - - @throws NoSuchAlgorithmException if the algorithm is not implemented by the provider - @throws NoSuchProviderException if the provider is not found - */ - public static KeyFactory getInstance(String algorithm, String provider) - throws NoSuchAlgorithmException, NoSuchProviderException - { - Provider p = Security.getProvider(provider); - if (p == null) - throw new NoSuchProviderException(); - - return getInstance(p.getProperty("KeyFactory." + algorithm), - algorithm, p); - } - - private static KeyFactory getInstance(String classname, - String algorithm, - Provider provider) - throws NoSuchAlgorithmException - { - - try - { - return new KeyFactory((KeyFactorySpi) Class.forName(classname). - newInstance(), provider, algorithm); - } - catch (ClassNotFoundException cnfe) - { - throw new NoSuchAlgorithmException("Class not found"); - } - catch (InstantiationException ie) - { - throw new NoSuchAlgorithmException("Class instantiation failed"); - } - catch (IllegalAccessException iae) - { - throw new NoSuchAlgorithmException("Illegal Access"); - } - } - - /** - Gets the provider that the class is from. - - @return the provider of this class - */ - public final Provider getProvider() - { - return provider; - } - - /** - Returns the name of the algorithm used - - @return A string with the name of the algorithm - */ - public final String getAlgorithm() - { - return algorithm; - } - - /** - Generates a public key from the provided key specification. - - @param keySpec key specification - - @return the public key - - @throws InvalidKeySpecException invalid key specification for - this key factory to produce a public key - */ - public final PublicKey generatePublic(KeySpec keySpec) throws - InvalidKeySpecException - { - return keyFacSpi.engineGeneratePublic(keySpec); - } - - /** - Generates a private key from the provided key specification. - - @param keySpec key specification - - @return the private key - - @throws InvalidKeySpecException invalid key specification for - this key factory to produce a private key - */ - public final PrivateKey generatePrivate(KeySpec keySpec) throws - InvalidKeySpecException - { - return keyFacSpi.engineGeneratePrivate(keySpec); - } - - /** - Returns a key specification for the given key. keySpec - identifies the specification class to return the key - material in. - - @param key the key - @param keySpec the specification class to return the - key material in. - - @return the key specification in an instance of the requested - specification class - - @throws InvalidKeySpecException the requested key specification - is inappropriate for this key or the key is - unrecognized. - */ - public final KeySpec getKeySpec(Key key, Class keySpec) - throws InvalidKeySpecException - { - return keyFacSpi.engineGetKeySpec(key, keySpec); - } - - /** - Translates the key from an unknown or untrusted provider - into a key for this key factory. - - @param the key from an unknown or untrusted provider - - @return the translated key - - @throws InvalidKeySpecException if the key cannot be - processed by this key factory - */ - public final Key translateKey(Key key) throws InvalidKeyException - { - return keyFacSpi.engineTranslateKey(key); - } -}