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Diffstat (limited to 'libjava/javax/crypto/KeyAgreementSpi.java')
| -rw-r--r-- | libjava/javax/crypto/KeyAgreementSpi.java | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/libjava/javax/crypto/KeyAgreementSpi.java b/libjava/javax/crypto/KeyAgreementSpi.java deleted file mode 100644 index d71c89c..0000000 --- a/libjava/javax/crypto/KeyAgreementSpi.java +++ /dev/null @@ -1,160 +0,0 @@ -/* KeyAgreementSpi.java -- The key agreement service provider interface. - Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 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 javax.crypto; - -import java.security.InvalidAlgorithmParameterException; -import java.security.InvalidKeyException; -import java.security.Key; -import java.security.NoSuchAlgorithmException; -import java.security.SecureRandom; -import java.security.spec.AlgorithmParameterSpec; - -/** - * This is the <i>Service Provider Interface</i> (<b>SPI</b>) for the - * {@link javax.crypto.KeyAgreement} class. - * - * <p>Providers wishing to implement a key agreement algorithm must - * subclass this and provide an appropriate implementation for all the - * abstract methods below, and provide an appropriate entry in the - * master {@link java.security.Provider} class (the service name for key - * agreement algorithms is <code>"KeyAgreement"</code>). - * - * @author Casey Marshall (csm@gnu.org) - * @since 1.4 - * @see KeyAgreement - * @see SecretKey - */ -public abstract class KeyAgreementSpi -{ - - // Constructor. - // ------------------------------------------------------------------------ - - /** - * Create a new KeyAgreementSpi instance. - */ - public KeyAgreementSpi() - { - } - - // Abstract instance methods. - // ------------------------------------------------------------------------ - - /** - * Do a phase in the key agreement. - * - * @param key The key to use for this phase. - * @param lastPhase <code>true</code> if this call should be the last - * phase. - * @return The intermediate result, or <code>null</code> if there is - * no intermediate result. - * @throws java.lang.IllegalStateException If this instance has not - * been initialized. - * @throws java.security.InvalidKeyException If the supplied key is - * not appropriate. - */ - protected abstract Key engineDoPhase(Key key, boolean lastPhase) - throws IllegalStateException, InvalidKeyException; - - /** - * Generate the shared secret in a new byte array. - * - * @return The shared secret in a new byte array. - * @throws java.lang.IllegalStateException If this key agreement is - * not ready to generate the secret. - */ - protected abstract byte[] engineGenerateSecret() - throws IllegalStateException; - - /** - * Generate the shared secret, storing it into the specified array. - * - * @param sharedSecret The byte array in which to store the secret. - * @param offset The offset into the byte array to start. - * @return The size of the shared secret. - * @throws java.lang.IllegalStateException If this key agreement is - * not ready to generate the secret. - * @throws javax.crypto.ShortBufferException If there is not enough - * space in the supplied array for the shared secret. - */ - protected abstract int engineGenerateSecret(byte[] sharedSecret, int offset) - throws IllegalStateException, ShortBufferException; - - /** - * Generate the shared secret and return it as a {@link SecretKey}. - * - * @param algorithm The algorithm with which to generate the secret key. - * @return The shared secret as a secret key. - * @throws java.lang.IllegalStateException If this key agreement is - * not ready to generate the secret. - * @throws java.security.InvalidKeyException If the shared secret - * cannot be made into a {@link SecretKey}. - * @throws java.security.NoSuchAlgorithmException If - * <code>algorithm</code> cannot be found. - */ - protected abstract SecretKey engineGenerateSecret(String algorithm) - throws IllegalStateException, InvalidKeyException, NoSuchAlgorithmException; - - /** - * Initialize this key agreement with a key, parameters, and source of - * randomness. - * - * @param key The key to initialize with, usually a private key. - * @param params The parameters to initialize with. - * @param random The source of randomness to use. - * @throws java.security.InvalidAlgorithmParameterException If the - * supplied parameters are inappropriate. - * @throws java.security.InvalidKeyException If the supplied key is - * inappropriate. - */ - protected abstract void engineInit(Key key, AlgorithmParameterSpec params, - SecureRandom random) - throws InvalidAlgorithmParameterException, InvalidKeyException; - - /** - * Initialize this key agreement with a key and source of randomness. - * - * @param key The key to initialize with, usually a private key. - * @param random The source of randomness to use. - * @throws java.security.InvalidKeyException If the supplied key is - * inappropriate. - */ - protected abstract void engineInit(Key key, SecureRandom random) - throws InvalidKeyException; -} |