diff options
author | mark <mark@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-10 21:46:48 +0000 |
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committer | mark <mark@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-10 21:46:48 +0000 |
commit | ce57ab760f69de6db452def7ffbf5b114a2d8694 (patch) | |
tree | ea38c56431c5d4528fb54254c3f8e50f517bede3 /libjava/classpath/gnu/javax/crypto/cipher/CipherFactory.java | |
parent | 50996fe55769882de3f410896032c887f0ff0d04 (diff) | |
download | gcc-ce57ab760f69de6db452def7ffbf5b114a2d8694.tar.gz |
Imported GNU Classpath 0.90
* scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
* gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
* java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
* java/lang/Math.java: New override file.
* java/lang/Character.java: Merged from Classpath.
(start, end): Now 'int's.
(canonicalName): New field.
(CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
(UnicodeBlock): Added argument.
(of): New overload.
(forName): New method.
Updated unicode blocks.
(sets): Updated.
* sources.am: Regenerated.
* Makefile.in: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111942 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/classpath/gnu/javax/crypto/cipher/CipherFactory.java')
-rw-r--r-- | libjava/classpath/gnu/javax/crypto/cipher/CipherFactory.java | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/crypto/cipher/CipherFactory.java b/libjava/classpath/gnu/javax/crypto/cipher/CipherFactory.java new file mode 100644 index 00000000000..082bfb8fa2d --- /dev/null +++ b/libjava/classpath/gnu/javax/crypto/cipher/CipherFactory.java @@ -0,0 +1,169 @@ +/* CipherFactory.java -- + Copyright (C) 2001, 2002, 2003, 2006 Free Software Foundation, Inc. + +This file is a 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 of the License, 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; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, 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 gnu.javax.crypto.cipher; + +import gnu.java.security.Registry; + +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; + +/** + * <p>A <i>Factory</i> to instantiate symmetric block cipher instances.</p> + */ +public class CipherFactory implements Registry +{ + + // Constants and variables + // ------------------------------------------------------------------------- + + // Constructor(s) + // ------------------------------------------------------------------------- + + /** Trivial constructor to enforce Singleton pattern. */ + private CipherFactory() + { + super(); + } + + // Class methods + // ------------------------------------------------------------------------- + + /** + * <p>Returns an instance of a block cipher given its name.</p> + * + * @param name the case-insensitive name of the symmetric-key block cipher + * algorithm. + * @return an instance of the designated cipher algorithm, or + * <code>null</code> if none is found. + * @exception InternalError if the implementation does not pass its + * self-test. + */ + public static final IBlockCipher getInstance(String name) + { + if (name == null) + { + return null; + } + + name = name.trim(); + IBlockCipher result = null; + if (name.equalsIgnoreCase(ANUBIS_CIPHER)) + { + result = new Anubis(); + } + else if (name.equalsIgnoreCase(BLOWFISH_CIPHER)) + { + result = new Blowfish(); + } + else if (name.equalsIgnoreCase(DES_CIPHER)) + { + result = new DES(); + } + else if (name.equalsIgnoreCase(KHAZAD_CIPHER)) + { + result = new Khazad(); + } + else if (name.equalsIgnoreCase(RIJNDAEL_CIPHER) + || name.equalsIgnoreCase(AES_CIPHER)) + { + result = new Rijndael(); + } + else if (name.equalsIgnoreCase(SERPENT_CIPHER)) + { + result = new Serpent(); + } + else if (name.equalsIgnoreCase(SQUARE_CIPHER)) + { + result = new Square(); + } + else if (name.equalsIgnoreCase(TRIPLEDES_CIPHER) + || name.equalsIgnoreCase(DESEDE_CIPHER)) + { + result = new TripleDES(); + } + else if (name.equalsIgnoreCase(TWOFISH_CIPHER)) + { + result = new Twofish(); + } + else if (name.equalsIgnoreCase(CAST5_CIPHER) + || (name.equalsIgnoreCase(CAST128_CIPHER) || (name.equalsIgnoreCase(CAST_128_CIPHER)))) + { + result = new Cast5(); + } + else if (name.equalsIgnoreCase(NULL_CIPHER)) + { + result = new NullCipher(); + } + + if (result != null && !result.selfTest()) + { + throw new InternalError(result.name()); + } + + return result; + } + + /** + * <p>Returns a {@link Set} of symmetric key block cipher implementation + * names supported by this <i>Factory</i>.</p> + * + * @return a {@link Set} of block cipher names (Strings). + */ + public static final Set getNames() + { + HashSet hs = new HashSet(); + hs.add(ANUBIS_CIPHER); + hs.add(BLOWFISH_CIPHER); + hs.add(DES_CIPHER); + hs.add(KHAZAD_CIPHER); + hs.add(RIJNDAEL_CIPHER); + hs.add(SERPENT_CIPHER); + hs.add(SQUARE_CIPHER); + hs.add(TRIPLEDES_CIPHER); + hs.add(TWOFISH_CIPHER); + hs.add(CAST5_CIPHER); + hs.add(NULL_CIPHER); + + return Collections.unmodifiableSet(hs); + } + + // Instance methods + // ------------------------------------------------------------------------- +}
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