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diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/jce/params/BlockCipherParameters.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/jce/params/BlockCipherParameters.java
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+/* BlockCipherParameters.java --
+ Copyright (C) 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.jce.params;
+
+import gnu.java.security.Configuration;
+import gnu.javax.crypto.jce.spec.BlockCipherParameterSpec;
+
+import java.io.IOException;
+import java.math.BigInteger;
+
+import java.security.AlgorithmParametersSpi;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.InvalidParameterSpecException;
+import java.util.logging.Logger;
+
+import javax.crypto.spec.IvParameterSpec;
+
+/**
+ * An implementation of algorithm parameters for the GNU block ciphers. This
+ * encompasses the cipher's block size, its key size, and an optional
+ * initialization vector (IV).
+ */
+public class BlockCipherParameters
+ extends AlgorithmParametersSpi
+{
+ private static final Logger log = Logger.getLogger(BlockCipherParameters.class.getName());
+ /** The underlying block cipher specification. */
+ protected BlockCipherParameterSpec cipherSpec;
+ private static final String DEFAULT_FORMAT = "ASN.1";
+
+ /**
+ * Return these parameters encoded in ASN.1 (DER).
+ * <p>
+ * For GNU block ciphers we will define these parameters as
+ * <pre>
+ * BlockCipherParameters ::= SEQUENCE {
+ * blockSize INTEGER,
+ * keySize INTEGER,
+ * initializationVector OCTET STRING OPTIONAL }
+ * </pre>
+ *
+ * @return The parameters, encoded an an ASN.1 DER sequence.
+ * @throws java.io.IOException If encoding these parameters fails.
+ */
+ protected byte[] engineGetEncoded() throws IOException
+ {
+ return engineGetEncoded(DEFAULT_FORMAT);
+ }
+
+ protected byte[] engineGetEncoded(String format) throws IOException
+ {
+ if (! format.equalsIgnoreCase(DEFAULT_FORMAT)
+ && ! format.equalsIgnoreCase("asn1"))
+ throw new IOException("unknown format \"" + format + "\"");
+ DERWriter writer = new DERWriter();
+ int cipherBlockSize = cipherSpec.getBlockSize();
+ int cipherKeySize = cipherSpec.getKeySize();
+ byte[] iv = cipherSpec.getIV();
+ return writer.joinarrays(
+ writer.writeBigInteger(BigInteger.valueOf(cipherBlockSize)),
+ writer.writeBigInteger(BigInteger.valueOf(cipherKeySize)),
+ (iv != null) ? writer.writeBigInteger(new BigInteger(iv))
+ : new byte[0]);
+ }
+
+ protected void engineInit(AlgorithmParameterSpec spec)
+ throws InvalidParameterSpecException
+ {
+ if (spec instanceof BlockCipherParameterSpec)
+ cipherSpec = (BlockCipherParameterSpec) spec;
+ else
+ throw new InvalidParameterSpecException();
+ }
+
+ protected void engineInit(byte[] encoded, String format) throws IOException
+ {
+ if (! format.equalsIgnoreCase(DEFAULT_FORMAT)
+ && ! format.equalsIgnoreCase("ASN1"))
+ throw new IOException("invalid format: only accepts ASN.1");
+ engineInit(encoded);
+ }
+
+ protected void engineInit(byte[] encoded) throws IOException
+ {
+ DERReader reader = new DERReader(encoded);
+ int bs = reader.getBigInteger().intValue();
+ int ks = reader.getBigInteger().intValue();
+ byte[] iv = null;
+ if (reader.hasMorePrimitives())
+ iv = reader.getBigInteger().toByteArray();
+ cipherSpec = new BlockCipherParameterSpec(iv, bs, ks);
+ if (Configuration.DEBUG)
+ log.fine("cipherSpec: " + cipherSpec);
+ }
+
+ protected AlgorithmParameterSpec engineGetParameterSpec(Class c)
+ throws InvalidParameterSpecException
+ {
+ if (c.isInstance(cipherSpec))
+ return cipherSpec;
+ if (IvParameterSpec.class.isAssignableFrom(c))
+ {
+ IvParameterSpec result = new IvParameterSpec(cipherSpec.getIV());
+ return result;
+ }
+ throw new InvalidParameterSpecException();
+ }
+
+ protected String engineToString()
+ {
+ return cipherSpec.toString();
+ }
+}