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Diffstat (limited to 'libjava/classpath/gnu/javax/crypto/jce/spec')
3 files changed, 312 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/crypto/jce/spec/BlockCipherParameterSpec.java b/libjava/classpath/gnu/javax/crypto/jce/spec/BlockCipherParameterSpec.java new file mode 100644 index 000000000..b17fa3497 --- /dev/null +++ b/libjava/classpath/gnu/javax/crypto/jce/spec/BlockCipherParameterSpec.java @@ -0,0 +1,122 @@ +/* BlockCipherParameterSpec.java -- + Copyright (C) 2002, 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.spec; + +import gnu.java.security.util.Util; + +import java.security.spec.AlgorithmParameterSpec; + +/** + * Block cipher parameters in GNU are the cipher's name, its block and key + * sizes, and an optional initialization vector. + */ +public class BlockCipherParameterSpec + implements AlgorithmParameterSpec +{ + /** The initialization vector. */ + protected byte[] iv; + /** The cipher's block size, in bytes. */ + protected int blockSize; + /** The cipher's key size, in bytes. */ + protected int keySize; + + /** + * Create a new parameter specification. + * + * @param iv The initialization vector, or <code>null</code> if there is no + * IV. + * @param blockSize The cipher's block size, in bytes. + * @param keySize The cipher's key size, in bytes. + */ + public BlockCipherParameterSpec(byte[] iv, int blockSize, int keySize) + { + this.iv = (iv != null) ? (byte[]) iv.clone() : null; + this.blockSize = blockSize; + this.keySize = keySize; + } + + /** + * Create a new parameter specification with no IV. + * + * @param blockSize The cipher's block size, in bytes. + * @param keySize The cipher's key size, in bytes. + */ + public BlockCipherParameterSpec(int blockSize, int keySize) + { + this(null, blockSize, keySize); + } + + /** + * Get the initialization vector for the cipher, or <code>null</code> if + * there is no IV. + * + * @return The IV. + */ + public byte[] getIV() + { + return iv; + } + + /** + * Get the block size of the cipher these parameters are for. + * + * @return The block size. + */ + public int getBlockSize() + { + return blockSize; + } + + /** + * Get the key size of the cipher these parameters are for. + * + * @return The block size. + */ + public int getKeySize() + { + return keySize; + } + + public String toString() + { + return getClass().getName() + " { " + + ((iv != null) ? ("IV=" + Util.toString(iv)) + ", " : "") + + "BS=" + blockSize + ", KS=" + keySize + " }"; + } +} diff --git a/libjava/classpath/gnu/javax/crypto/jce/spec/TMMHParameterSpec.java b/libjava/classpath/gnu/javax/crypto/jce/spec/TMMHParameterSpec.java new file mode 100644 index 000000000..31199538c --- /dev/null +++ b/libjava/classpath/gnu/javax/crypto/jce/spec/TMMHParameterSpec.java @@ -0,0 +1,117 @@ +/* TMMHParameterSpec.java -- + Copyright (C) 2002, 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.spec; + +import gnu.java.security.prng.IRandom; + +import java.security.spec.AlgorithmParameterSpec; + +/** + * This class represents the algorithm parameters for the Truncated + * Multi-Modular Hash function for use with JCE-derived instances of + * {@link gnu.javax.crypto.mac.TMMH16}. + * <p> + * This class is little more than a container for the key stream, tag length, + * and prefix parameters for the TMMH algorithm. + */ +public class TMMHParameterSpec + implements AlgorithmParameterSpec +{ + /** The keystream. */ + protected IRandom keystream; + /** The tag length. */ + protected Integer tagLength; + /** The prefix. */ + protected byte[] prefix; + + /** + * Create a new parameter specification. + * + * @param keystream The (PRNG) key stream. + * @param tagLength The tag length. + * @param prefix The prefix. + */ + public TMMHParameterSpec(IRandom keystream, Integer tagLength, byte[] prefix) + { + this.keystream = keystream; + this.tagLength = tagLength; + this.prefix = prefix; + } + + /** + * Create a new parameter specification with no prefix. + * + * @param keystream The (PRNG) key stream. + * @param tagLength The tag length. + */ + public TMMHParameterSpec(IRandom keystream, Integer tagLength) + { + this(keystream, tagLength, null); + } + + /** + * Return the key stream this specification was initialized with. + * + * @return The key stream. + */ + public IRandom getKeystream() + { + return keystream; + } + + /** + * Return the tag length this specification was initialized with. + * + * @return The tag length. + */ + public Integer getTagLength() + { + return tagLength; + } + + /** + * Return the prefix, or <code>null</code> if no prefix was specified. + * + * @return The prefix. + */ + public byte[] getPrefix() + { + return prefix; + } +} diff --git a/libjava/classpath/gnu/javax/crypto/jce/spec/UMac32ParameterSpec.java b/libjava/classpath/gnu/javax/crypto/jce/spec/UMac32ParameterSpec.java new file mode 100644 index 000000000..3c13faf04 --- /dev/null +++ b/libjava/classpath/gnu/javax/crypto/jce/spec/UMac32ParameterSpec.java @@ -0,0 +1,73 @@ +/* UMac32ParameterSpec.java -- + Copyright (C) 2002, 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.spec; + +import java.security.spec.AlgorithmParameterSpec; + +/** + * This class represents the parameters for the UMAC-32 message authentication + * code algorithm. In practice this means the <i>Nonce</i> material used to + * initialize the algorithm. + */ +public class UMac32ParameterSpec + implements AlgorithmParameterSpec +{ + /** The <i>Nonce</i> material. */ + protected byte[] nonce; + + /** + * Create a new parameter instance. + * + * @param nonce The nonce material. + */ + public UMac32ParameterSpec(byte[] nonce) + { + this.nonce = nonce; + } + + /** + * Return the nonce material. + * + * @return The nonce material. + */ + public byte[] getNonce() + { + return nonce; + } +} |