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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/crypto/spec
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Diffstat (limited to 'libjava/classpath/javax/crypto/spec')
-rw-r--r--libjava/classpath/javax/crypto/spec/DESKeySpec.java220
-rw-r--r--libjava/classpath/javax/crypto/spec/DESedeKeySpec.java151
-rw-r--r--libjava/classpath/javax/crypto/spec/DHGenParameterSpec.java100
-rw-r--r--libjava/classpath/javax/crypto/spec/DHParameterSpec.java135
-rw-r--r--libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java115
-rw-r--r--libjava/classpath/javax/crypto/spec/DHPublicKeySpec.java115
-rw-r--r--libjava/classpath/javax/crypto/spec/IvParameterSpec.java96
-rw-r--r--libjava/classpath/javax/crypto/spec/PBEKeySpec.java281
-rw-r--r--libjava/classpath/javax/crypto/spec/PBEParameterSpec.java100
-rw-r--r--libjava/classpath/javax/crypto/spec/RC2ParameterSpec.java166
-rw-r--r--libjava/classpath/javax/crypto/spec/RC5ParameterSpec.java202
-rw-r--r--libjava/classpath/javax/crypto/spec/SecretKeySpec.java163
-rw-r--r--libjava/classpath/javax/crypto/spec/package.html46
13 files changed, 1890 insertions, 0 deletions
diff --git a/libjava/classpath/javax/crypto/spec/DESKeySpec.java b/libjava/classpath/javax/crypto/spec/DESKeySpec.java
new file mode 100644
index 000000000..9075a77d2
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/DESKeySpec.java
@@ -0,0 +1,220 @@
+/* DESKeySpec -- Keys for DES.
+ 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.spec;
+
+import java.security.InvalidKeyException;
+import java.security.spec.KeySpec;
+
+/**
+ * This class is a transparent wrapper for DES keys, which are arrays
+ * of 8 bytes.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ */
+public class DESKeySpec implements KeySpec
+{
+
+ // Constants.
+ // ------------------------------------------------------------------------
+
+ /**
+ * The length of a DES key, in bytes.
+ */
+ public static final int DES_KEY_LEN = 8;
+
+ /**
+ * The key bytes.
+ */
+ private byte[] key;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new DES key spec, copying the first 8 bytes from the
+ * byte array.
+ *
+ * @param key The key bytes.
+ * @throws java.security.InvalidKeyException If there are less than 8
+ * bytes in the array.
+ */
+ public DESKeySpec(byte[] key) throws InvalidKeyException
+ {
+ this(key, 0);
+ }
+
+ /**
+ * Create a new DES key spec, starting at <code>offset</code> in
+ * the byte array. The first 8 bytes starting at <code>offset</code>
+ * are copied.
+ *
+ * @param key The key bytes.
+ * @param offset The offset into the byte array at which to begin.
+ * @throws java.security.InvalidKeyException If there are less than 8
+ * bytes starting at <code>offset</code>.
+ */
+ public DESKeySpec(byte[] key, int offset) throws InvalidKeyException
+ {
+ if (key.length - offset < DES_KEY_LEN)
+ {
+ throw new InvalidKeyException("DES keys must be 8 bytes long");
+ }
+ this.key = new byte[DES_KEY_LEN];
+ System.arraycopy(key, offset, this.key, 0, DES_KEY_LEN);
+ }
+
+ // Class methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Returns whether or not the given key is <i>parity adjusted</i>;
+ * i.e. every byte in the key has an odd number of "1" bits.
+ *
+ * @param key The key bytes, considered between <code>[offset,
+ * offset+7]</code>
+ * @param offset The offset into the byte array at which to begin.
+ * @return True if all bytes have an odd number of "1" bits.
+ * @throws java.security.InvalidKeyException If there are not enough
+ * bytes in the array.
+ */
+ public static boolean isParityAdjusted(byte[] key, int offset)
+ throws InvalidKeyException
+ {
+ if (key.length - offset < DES_KEY_LEN)
+ {
+ throw new InvalidKeyException("DES keys must be 8 bytes long");
+ }
+ boolean parity = false;
+ boolean oddbits = false;
+ for (int i = 0; i < DES_KEY_LEN; i++)
+ {
+ oddbits = false;
+ for (int j = 0; j < 8; j++)
+ {
+ oddbits ^= (key[i+offset] & 1 << j) != 0;
+ }
+ parity &= oddbits;
+ }
+ return parity;
+ }
+
+ /**
+ * One-half of the weak and semiweak DES keys (the other half are the
+ * complements of these).
+ */
+ private static final byte[][] WEAK_KEYS = new byte[][] {
+ { 0, 0, 0, 0, 0, 0, 0, 0 }, // 0000 0000 0000 0000
+ { -1, -1, -1, -1, 0, 0, 0, 0 }, // ffff ffff 0000 0000
+ { 1, 1, 1, 1, 1, 1, 1, 1 }, // 0101 0101 0101 0101
+ { 31, 31, 31, 31, 14, 14, 14, 14 }, // 1f1f 1f1f 0e0e 0e0e
+ { 1, -2, 1, -2, 1, -2, 1, -2 }, // 01fe 01fe 01fe 01fe
+ { 31, -32, 31, -32, -32, 31, -32, 31 }, // 1fe0 1fe0 0e1f 0e1f
+ { 1, -32, 1, -32, 1, -15, 1, -15 }, // 01e0 01e0 01f1 01f1
+ { 31, -2, 31, -2, 14, -2, 14, -2 }, // 1ffe 1ffe 0efe 0efe
+ { 1, 31, 1, 31, 1, 14, 1, 14 }, // 011f 011f 010e 010e
+ { -32, -2, -32, -2, -15, -2, -15, -2 }, // e0fe e0fe f1fe f1fe
+ };
+
+ /**
+ * Tests if the bytes between <code>[offset, offset+7]</code>
+ * constitute a weak or semi-weak DES key.
+ *
+ * @param key The key bytes to check.
+ * @param offset The offset in the byte array to start.
+ * @return true If the key bytes are a weak key.
+ */
+ public static boolean isWeak(byte[] key, int offset)
+ throws InvalidKeyException
+ {
+ if (key.length - offset < DES_KEY_LEN)
+ {
+ throw new InvalidKeyException("DES keys must be 8 bytes long");
+ }
+ for (int i = 0; i < WEAK_KEYS.length; i++)
+ {
+ if (equalsOrComplementEquals(key, offset, WEAK_KEYS[i]))
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * This method returns true if the first 8 bytes starting at
+ * <code>off</code> in <code>a</code> equal the first 8 bytes in
+ * <code>b</code>, or equal the <i>complement</i> of the first 8 bytes
+ * in <code>b</code>.
+ *
+ * @param a The first byte array.
+ * @param off The index into the first byte array.
+ * @param b The second byte array.
+ * @return <code>a == b || a == ~b</code>
+ */
+ private static boolean equalsOrComplementEquals(byte[] a, int off, byte[] b)
+ {
+ boolean result = true;
+ for (int i = 0; i < DES_KEY_LEN; i++)
+ {
+ result &= a[off+i] == b[i];
+ }
+ if (result) return true;
+ result = true;
+ for (int i = 0; i < DES_KEY_LEN; i++)
+ {
+ result &= a[off+i] == (~b[i]);
+ }
+ return result;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Return the key as a byte array. This method does not copy the byte
+ * array.
+ *
+ * @return The key bytes.
+ */
+ public byte[] getKey()
+ {
+ return key;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/DESedeKeySpec.java b/libjava/classpath/javax/crypto/spec/DESedeKeySpec.java
new file mode 100644
index 000000000..1f6a25026
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/DESedeKeySpec.java
@@ -0,0 +1,151 @@
+/* DESedeKeySpec.java -- Keys for triple-DES.
+ 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.spec;
+
+import java.security.InvalidKeyException;
+import java.security.spec.KeySpec;
+
+/**
+ * This class is a transparent wrapper for DES-EDE (Triple-DES) keys,
+ * which are arrays of 24 bytes.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ */
+public class DESedeKeySpec implements KeySpec
+{
+
+ // Constants.
+ // ------------------------------------------------------------------------
+
+ /**
+ * The length of a triple-DES key, in bytes.
+ */
+ public static final int DES_EDE_KEY_LEN = 24;
+
+ /**
+ * The key bytes.
+ */
+ private byte[] key;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new DES-EDE key spec, copying the first 24 bytes from the
+ * byte array.
+ *
+ * @param key The key bytes.
+ * @throws java.security.InvalidKeyException If there are less than 24
+ * bytes in the array.
+ */
+ public DESedeKeySpec(byte[] key) throws InvalidKeyException
+ {
+ this(key, 0);
+ }
+
+ /**
+ * Create a new DES-EDE key spec, starting at <code>offset</code> in
+ * the byte array. The first 24 bytes starting at <code>offset</code>
+ * are copied.
+ *
+ * @param key The key bytes.
+ * @param offset The offset into the byte array at which to begin.
+ * @throws java.security.InvalidKeyException If there are less than 24
+ * bytes starting at <code>offset</code>.
+ */
+ public DESedeKeySpec(byte[] key, int offset) throws InvalidKeyException
+ {
+ if (key.length - offset < DES_EDE_KEY_LEN)
+ {
+ throw new InvalidKeyException("DES-EDE keys must be 24 bytes long");
+ }
+ this.key = new byte[DES_EDE_KEY_LEN];
+ System.arraycopy(key, offset, this.key, 0, DES_EDE_KEY_LEN);
+ }
+
+ // Class methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Returns whether or not the given key is <i>parity adjusted</i>;
+ * i.e. every byte in the key has an odd number of "1" bits.
+ *
+ * @param key The key bytes, considered between <code>[offset,
+ * offset+23]</code>
+ * @param offset The offset into the byte array at which to begin.
+ * @return True if all bytes have an odd number of "1" bits.
+ * @throws java.security.InvalidKeyException If there are not enough
+ * bytes in the array.
+ */
+ public static boolean isParityAdjusted(byte[] key, int offset)
+ throws InvalidKeyException
+ {
+ if (key.length - offset < DES_EDE_KEY_LEN)
+ {
+ throw new InvalidKeyException("DES-EDE keys must be 24 bytes long");
+ }
+ boolean parity = false;
+ boolean oddbits = false;
+ for (int i = 0; i < DES_EDE_KEY_LEN; i++)
+ {
+ oddbits = false;
+ for (int j = 0; j < 8; j++)
+ {
+ oddbits ^= (key[i+offset] & 1 << j) != 0;
+ }
+ parity &= oddbits;
+ }
+ return parity;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Return the key as a byte array. This method does not copy the byte
+ * array.
+ *
+ * @return The key bytes.
+ */
+ public byte[] getKey()
+ {
+ return key;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/DHGenParameterSpec.java b/libjava/classpath/javax/crypto/spec/DHGenParameterSpec.java
new file mode 100644
index 000000000..0fc8ed58e
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/DHGenParameterSpec.java
@@ -0,0 +1,100 @@
+/* DHGenParameterSpec.java -- Diffie-Hellman parameter generator spec.
+ 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.spec;
+
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * This class represents the parameters needed for generating
+ * Diffie-Hellman parameters.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see DHParameterSpec
+ */
+public class DHGenParameterSpec implements AlgorithmParameterSpec
+{
+
+ // Variables.
+ // ------------------------------------------------------------------------
+
+ /** The length of the prime, in bits. */
+ private int primeSize;
+
+ /** The length of the exponent, in bits. */
+ private int exponentSize;
+
+ // Constructor.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new Diffie-Hellman parameter generator spec.
+ *
+ * @param primeSize The size of the prime, in bits.
+ * @param exponentSize The size of the exponent, in bits.
+ */
+ public DHGenParameterSpec(int primeSize, int exponentSize)
+ {
+ this.primeSize = primeSize;
+ this.exponentSize = exponentSize;
+ }
+
+ // Intance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the size of the exponent, in bits.
+ *
+ * @return The exponent size.
+ */
+ public int getExponentSize()
+ {
+ return exponentSize;
+ }
+
+ /**
+ * Get the size of the prime, in bits.
+ *
+ * @return The prime size.
+ */
+ public int getPrimeSize()
+ {
+ return primeSize;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/DHParameterSpec.java b/libjava/classpath/javax/crypto/spec/DHParameterSpec.java
new file mode 100644
index 000000000..4db82870f
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/DHParameterSpec.java
@@ -0,0 +1,135 @@
+/* DHParameterSpec.java -- Parameters for Diffie-Hellman keys.
+ 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.spec;
+
+import java.math.BigInteger;
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * The base set of parameters necessary to perform Diffie-Hellman key
+ * exchange. Each party in the key exchange shares these parameters.
+ *
+ * <p>Each set of parameters consists of a <i>base generator</i>
+ * <code>g</code>, a <i>prime modulus</i> <code>p</code>, and an
+ * optional length, in bits, of the private exponent.
+ *
+ * <p>See <a href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-3/">PKCS
+ * #3 - Diffie-Hellman Key Agreement Standard</a> for more information.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see javax.crypto.KeyAgreement
+ */
+public class DHParameterSpec implements AlgorithmParameterSpec
+{
+
+ // Variables.
+ // ------------------------------------------------------------------------
+
+ /** The base generator g. */
+ private BigInteger g;
+
+ /** The prime modulus p. */
+ private BigInteger p;
+
+ /** The length, in bits, of the private exponent. */
+ private int l;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new set of Diffie-Hellman parameters.
+ *
+ * @param p The prime modulus.
+ * @param g The base generator.
+ */
+ public DHParameterSpec(BigInteger p, BigInteger g)
+ {
+ this(p, g, 0);
+ }
+
+ /**
+ * Create a new set of Diffie-Hellman parameters.
+ *
+ * @param p The prime modulus.
+ * @param g The base generator.
+ * @param l The size of the private exponent, in bits.
+ */
+ public DHParameterSpec(BigInteger p, BigInteger g, int l)
+ {
+ this.p = p;
+ this.g = g;
+ this.l = l;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the base generator, <i>g</i>.
+ *
+ * @return The base generator <i>g</i>.
+ */
+ public BigInteger getG()
+ {
+ return g;
+ }
+
+ /**
+ * Get the length of the private exponent, in bits.
+ *
+ * @return The length of the private exponent, in bits, or 0 if this
+ * has not been explicitly set.
+ */
+ public int getL()
+ {
+ return l;
+ }
+
+ /**
+ * Get the prime modulus, <i>p</i>.
+ *
+ * @return The prime modulus, <i>p</i>.
+ */
+ public BigInteger getP()
+ {
+ return p;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java b/libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java
new file mode 100644
index 000000000..348a19264
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/DHPrivateKeySpec.java
@@ -0,0 +1,115 @@
+/* DHPrivateKeySpec.java -- Wrapper for Diffie-Hellman private keys.
+ 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.spec;
+
+import java.math.BigInteger;
+import java.security.spec.KeySpec;
+
+/**
+ * A wrapper for Diffie-Hellman private key data.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see DHPublicKeySpec
+ */
+public class DHPrivateKeySpec implements KeySpec
+{
+
+ // Variables.
+ // ------------------------------------------------------------------------
+
+ /** The base generator. */
+ private BigInteger g;
+
+ /** The prime modulus. */
+ private BigInteger p;
+
+ /** The private exponent. */
+ private BigInteger x;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new Diffie-Hellman private key spec.
+ *
+ * @param x The private exponent.
+ * @param p The prime modulus.
+ * @param g The base generator.
+ */
+ public DHPrivateKeySpec(BigInteger x, BigInteger p, BigInteger g)
+ {
+ this.x = x;
+ this.p = p;
+ this.g = g;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the base generator.
+ *
+ * @return The base generator.
+ */
+ public BigInteger getG()
+ {
+ return g;
+ }
+
+ /**
+ * Get the prime modulus.
+ *
+ * @return The prime modulus.
+ */
+ public BigInteger getP()
+ {
+ return p;
+ }
+
+ /**
+ * Get the private exponent.
+ *
+ * @return The private exponent.
+ */
+ public BigInteger getX()
+ {
+ return x;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/DHPublicKeySpec.java b/libjava/classpath/javax/crypto/spec/DHPublicKeySpec.java
new file mode 100644
index 000000000..e81872785
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/DHPublicKeySpec.java
@@ -0,0 +1,115 @@
+/* DHPublicKeySpec.java -- Wrapper for Diffie-Hellman public keys.
+ 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.spec;
+
+import java.math.BigInteger;
+import java.security.spec.KeySpec;
+
+/**
+ * A wrapper for Diffie-Hellman public key data.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see DHPrivateKeySpec
+ */
+public class DHPublicKeySpec implements KeySpec
+{
+
+ // Variables.
+ // ------------------------------------------------------------------------
+
+ /** The base generator. */
+ private BigInteger g;
+
+ /** The prime modulus. */
+ private BigInteger p;
+
+ /** The public value. */
+ private BigInteger y;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new Diffie-Hellman public key spec.
+ *
+ * @param y The public value.
+ * @param p The prime modulus.
+ * @param g The base generator.
+ */
+ public DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g)
+ {
+ this.y = y;
+ this.p = p;
+ this.g = g;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the base generator.
+ *
+ * @return The base generator.
+ */
+ public BigInteger getG()
+ {
+ return g;
+ }
+
+ /**
+ * Get the prime modulus.
+ *
+ * @return The prime modulus.
+ */
+ public BigInteger getP()
+ {
+ return p;
+ }
+
+ /**
+ * Get the public value.
+ *
+ * @return The public value.
+ */
+ public BigInteger getY()
+ {
+ return y;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/IvParameterSpec.java b/libjava/classpath/javax/crypto/spec/IvParameterSpec.java
new file mode 100644
index 000000000..3af38f58e
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/IvParameterSpec.java
@@ -0,0 +1,96 @@
+/* IvParameterSpec.java -- A simple wrapper for initialization vectors.
+ 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.spec;
+
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * A wrapper for an initialization vector. An initialization vector is
+ * necessary for any cipher in any <i>feedback mode</i>, e.g. CBC.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class IvParameterSpec implements AlgorithmParameterSpec
+{
+
+ // Fields.
+ // ------------------------------------------------------------------------
+
+ /** The IV. */
+ private byte[] iv;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new initialization vector spec from an entire byte array.
+ *
+ * @param iv The IV bytes.
+ */
+ public IvParameterSpec(byte[] iv)
+ {
+ this(iv, 0, iv.length);
+ }
+
+ /**
+ * Create a new initialization vector spec from part of a byte array.
+ *
+ * @param iv The IV bytes.
+ * @param off The offset into the IV bytes.
+ * @param len The number of IV bytes.
+ */
+ public IvParameterSpec(byte[] iv, int off, int len)
+ {
+ this.iv = new byte[len];
+ System.arraycopy(iv, off, this.iv, 0, len);
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Returns the IV. This method does not copy the byte array.
+ *
+ * @return The IV.
+ */
+ public byte[] getIV()
+ {
+ return iv;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/PBEKeySpec.java b/libjava/classpath/javax/crypto/spec/PBEKeySpec.java
new file mode 100644
index 000000000..f0ffa379a
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/PBEKeySpec.java
@@ -0,0 +1,281 @@
+/* PBEKeySpec.java -- Wrapper for password-based keys.
+ Copyright (C) 2004, 2006 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.spec;
+
+import java.security.spec.KeySpec;
+
+/**
+ * A wrapper for a password-based key, used for password-based
+ * encryption (PBE).
+ *
+ * <p>Examples of password-based encryption algorithms include:
+ *
+ * <ul>
+ * <li><a href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-5/">PKCS #5
+ * - Password-Based Cryptography Standard</a></li>
+ * <li><a href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-12/">PKCS
+ * #12 - Personal Information Exchange Syntax Standard</a></li>
+ * </ul>
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see javax.crypto.SecretKeyFactory
+ * @see PBEParameterSpec
+ */
+public class PBEKeySpec implements KeySpec
+{
+
+ // Fields.
+ // ------------------------------------------------------------------------
+
+ /** The iteration count. */
+ private int iterationCount;
+
+ /** The generated key length. */
+ private int keyLength;
+
+ /** The password. */
+ private char[] password;
+
+ /** The salt. */
+ private byte[] salt;
+
+ /** The password state */
+ private boolean passwordValid = true;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new PBE key spec with just a password.
+ * <p>
+ * A copy of the password argument is stored instead of the argument itself.
+ *
+ * @param password The password char array.
+ */
+ public PBEKeySpec(char[] password)
+ {
+ setPassword(password);
+
+ // load the default values for unspecified variables.
+ salt = null;
+ iterationCount = 0;
+ keyLength = 0;
+ }
+
+ /**
+ * Create a PBE key spec with a password, salt, and iteration count.
+ * <p>
+ * A copy of the password and salt arguments are stored instead of the
+ * arguments themselves.
+ *
+ * @param password The password char array.
+ * @param salt The salt bytes.
+ * @param iterationCount The iteration count.
+ * @throws NullPointerException If salt is null
+ * @throws IllegalArgumentException If salt is an empty array, or
+ * iterationCount is negative
+ */
+ public PBEKeySpec(char[] password, byte[] salt, int iterationCount)
+ {
+ setPassword(password);
+ setSalt(salt);
+ setIterationCount(iterationCount);
+
+ // load default values into unspecified variables.
+ keyLength = 0;
+ }
+
+ /**
+ * Create a PBE key spec with a password, salt, iteration count, and key
+ * length.
+ * <p>
+ * A copy of the password and salt arguments are stored instead of the
+ * arguments themselves.
+ *
+ * @param password The password char array.
+ * @param salt The salt bytes.
+ * @param iterationCount The iteration count.
+ * @param keyLength The generated key length.
+ * @throws NullPointerException If salt is null
+ * @throws IllegalArgumentException If salt is an empty array, if
+ * iterationCount or keyLength is negative
+ */
+ public PBEKeySpec(char[] password, byte[] salt, int iterationCount,
+ int keyLength)
+ {
+ setPassword(password);
+ setSalt(salt);
+ setIterationCount(iterationCount);
+ setKeyLength(keyLength);
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Clear the password array by filling it with null characters.
+ * <p>
+ * This clears the stored copy of the password, not the original char array
+ * used to create the password.
+ */
+ public final void clearPassword()
+ {
+ if (password == null)
+ return;
+ for (int i = 0; i < password.length; i++)
+ password[i] = '\u0000';
+
+ // since the password is cleared, it is no longer valid
+ passwordValid = false;
+ }
+
+ /**
+ * Get the iteration count, or 0 if it has not been specified.
+ *
+ * @return The iteration count, or 0 if it has not been specified.
+ */
+ public final int getIterationCount()
+ {
+ return iterationCount;
+ }
+
+ /**
+ * Get the generated key length, or 0 if it has not been specified.
+ *
+ * @return The key length, or 0 if it has not been specified.
+ */
+ public final int getKeyLength()
+ {
+ return keyLength;
+ }
+
+ /**
+ * Get the password character array copy.
+ * <p>
+ * This returns a copy of the password, not the password itself.
+ *
+ * @return a clone of the password.
+ * @throws IllegalStateException If {@link #clearPassword()} has already been
+ * called.
+ */
+ public final char[] getPassword()
+ {
+ if (! passwordValid)
+ throw new IllegalStateException("clearPassword() has been called, the "
+ + "password is no longer valid");
+ return (char[]) password.clone();
+ }
+
+ /**
+ * Get the salt bytes array copy.
+ * <p>
+ * This returns a copy of the salt, not the salt itself.
+ *
+ * @return The salt.
+ */
+ public final byte[] getSalt()
+ {
+ if (salt != null)
+ return (byte[]) salt.clone();
+ return null;
+ }
+
+ /**
+ * Set the password char array.
+ * <p>
+ * A copy of the password argument is stored instead of the argument itself.
+ *
+ * @param password The password to be set
+ */
+ private void setPassword(char[] password)
+ {
+ if (password != null)
+ this.password = (char[]) password.clone();
+ else
+ this.password = new char[0];
+
+ passwordValid = true;
+ }
+
+ /**
+ * Set the salt byte array.
+ * <p>
+ * A copy of the salt arguments is stored instead of the argument itself.
+ *
+ * @param salt The salt to be set.
+ * @throws NullPointerException If the salt is null.
+ * @throws IllegalArgumentException If the salt is an empty array.
+ */
+ private void setSalt(byte[] salt)
+ {
+ if (salt.length == 0)
+ throw new IllegalArgumentException("salt MUST NOT be an empty byte array");
+
+ this.salt = (byte[]) salt.clone();
+ }
+
+ /**
+ * Set the iterationCount.
+ *
+ * @param iterationCount The iteration count to be set.
+ * @throws IllegalArgumentException If the iterationCount is negative.
+ */
+ private void setIterationCount(int iterationCount)
+ {
+ if (iterationCount < 0)
+ throw new IllegalArgumentException("iterationCount MUST be positive");
+
+ this.iterationCount = iterationCount;
+ }
+
+ /**
+ * Set the keyLength.
+ *
+ * @param keyLength The keyLength to be set.
+ * @throws IllegalArgumentException if the keyLength is negative.
+ */
+ private void setKeyLength(int keyLength)
+ {
+ if (keyLength < 0)
+ throw new IllegalArgumentException("keyLength MUST be positive");
+
+ this.keyLength = keyLength;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/PBEParameterSpec.java b/libjava/classpath/javax/crypto/spec/PBEParameterSpec.java
new file mode 100644
index 000000000..322d9556c
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/PBEParameterSpec.java
@@ -0,0 +1,100 @@
+/* PBEParameterSpec.java -- A wrapper for PBE parameters.
+ 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.spec;
+
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * A wrapper for the parameters used in <a
+ * href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-5/">PKCS #5 -
+ * Password-Based Cryptography Standard</a>.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ */
+public class PBEParameterSpec implements AlgorithmParameterSpec
+{
+
+ // Fields.
+ // ------------------------------------------------------------------------
+
+ /** The iteration count. */
+ private int iterationCount;
+
+ /** The salt. */
+ private byte[] salt;
+
+ // Constructor.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Creates a new password-based encryption parameter specification.
+ *
+ * @param salt The salt.
+ * @param iterationCount The iteration count.
+ */
+ public PBEParameterSpec(byte[] salt, int iterationCount)
+ {
+ this.salt = salt;
+ this.iterationCount = iterationCount;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the iteration count.
+ *
+ * @return The iteration count.
+ */
+ public int getIterationCount()
+ {
+ return iterationCount;
+ }
+
+ /**
+ * Get the salt.
+ *
+ * @return The salt.
+ */
+ public byte[] getSalt()
+ {
+ return salt;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/RC2ParameterSpec.java b/libjava/classpath/javax/crypto/spec/RC2ParameterSpec.java
new file mode 100644
index 000000000..33155b2b3
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/RC2ParameterSpec.java
@@ -0,0 +1,166 @@
+/* RC2ParameterSpec.java -- Wrapper for RC2 parameters.
+ 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.spec;
+
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * A wrapper for parameters for the <a
+ * href="http://www.rsasecurity.com/rsalabs/faq/3-6-2.html">RC2</a>
+ * block cipher ("RC" means either "Rivest Cipher" or "Ron's Code",
+ * depending upon who you ask and when).
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ */
+public class RC2ParameterSpec implements AlgorithmParameterSpec
+{
+
+ // Constants and fields.
+ // ------------------------------------------------------------------------
+
+ /** The length of an RC2 IV, in bytes. */
+ private static final int RC2_IV_LENGTH = 8;
+
+ /** The effective key length, in bits. */
+ private int effectiveKeyBits;
+
+ /** The initialization vector. */
+ private byte[] iv;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create RC2 parameters without an IV.
+ *
+ * @param effectiveKeyBits The number of effective key bits.
+ */
+ public RC2ParameterSpec(int effectiveKeyBits)
+ {
+ this.effectiveKeyBits = effectiveKeyBits;
+ }
+
+ /**
+ * Create RC2 parameters with an IV.
+ *
+ * @param effectiveKeyBits The number of effective key bits.
+ * @param iv The IV; the first eight bytes of this array
+ * are used.
+ */
+ public RC2ParameterSpec(int effectiveKeyBits, byte[] iv)
+ {
+ this(effectiveKeyBits, iv, 0);
+ }
+
+ /**
+ * Create RC2 parameters with an IV.
+ *
+ * @param effectiveKeyBits The number of effective key bits.
+ * @param iv The IV; the first eight bytes of this array
+ * after <code>offset</code> are used.
+ * @param offset From whence to start in the array.
+ */
+ public RC2ParameterSpec(int effectiveKeyBits, byte[] iv, int offset)
+ {
+ if (iv.length - offset < RC2_IV_LENGTH)
+ {
+ throw new IllegalArgumentException("IV too short");
+ }
+ this.effectiveKeyBits = effectiveKeyBits;
+ this.iv = new byte[RC2_IV_LENGTH];
+ System.arraycopy(iv, offset, this.iv, 0, RC2_IV_LENGTH);
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the number of effective key bits.
+ *
+ * @return The numer of effective key bits.
+ */
+ public int getEffectiveKeyBits()
+ {
+ return effectiveKeyBits;
+ }
+
+ /**
+ * Return the initialization vector, or <code>null</code> if none was
+ * specified.
+ *
+ * @return The IV, or null.
+ */
+ public byte[] getIV()
+ {
+ return iv;
+ }
+
+ public boolean equals(Object o)
+ {
+ if (this == o) return true;
+ byte[] oiv = ((RC2ParameterSpec) o).getIV();
+ if (iv != oiv)
+ {
+ if (iv == null || oiv == null) return false;
+ if (iv.length != oiv.length) return false;
+ for (int i = 0; i < iv.length; i++)
+ {
+ if (iv[i] != oiv[i])
+ {
+ return false;
+ }
+ }
+ }
+ return effectiveKeyBits == ((RC2ParameterSpec) o).getEffectiveKeyBits();
+ }
+
+ public int hashCode()
+ {
+ int code = effectiveKeyBits;
+ if (iv != null)
+ {
+ for (int i = 0; i < RC2_IV_LENGTH; i++)
+ {
+ code += iv[i];
+ }
+ }
+ return code;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/RC5ParameterSpec.java b/libjava/classpath/javax/crypto/spec/RC5ParameterSpec.java
new file mode 100644
index 000000000..8570c86b3
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/RC5ParameterSpec.java
@@ -0,0 +1,202 @@
+/* RC5ParameterSpec.java -- parameters for RC5.
+ 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.spec;
+
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * A wrapper for parameters to the <a
+ * href="http://www.rsasecurity.com/rsalabs/faq/3-6-4.html">RC5</a>
+ * block cipher.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ */
+public class RC5ParameterSpec implements AlgorithmParameterSpec
+{
+
+ // Fields.
+ // ------------------------------------------------------------------------
+
+ /** The IV. */
+ private byte[] iv;
+
+ /** The number of rounds. */
+ private int rounds;
+
+ /** The version number. */
+ private int version;
+
+ /** The word size, in bits. */
+ private int wordSize;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create RC5 parameters without an IV.
+ *
+ * @param version The version number.
+ * @param rounds The number of rounds.
+ * @param wordSize The size of a word, in bits.
+ */
+ public RC5ParameterSpec(int version, int rounds, int wordSize)
+ {
+ this.version = version;
+ this.rounds = rounds;
+ this.wordSize = wordSize;
+ }
+
+ /**
+ * Create RC5 parameters with an IV. The bytes in <code>iv</code> in
+ * the range <code>[0, 2*(wordSize/8)-1]</code> are used.
+ *
+ * @param version The version number.
+ * @param rounds The number of rounds.
+ * @param wordSize The size of a word, in bits.
+ * @param iv The IV data.
+ */
+ public RC5ParameterSpec(int version, int rounds, int wordSize, byte[] iv)
+ {
+ this(version, rounds, wordSize, iv, 0);
+ }
+
+ /**
+ * Create RC5 parameters with an IV. The bytes in <code>iv</code> in
+ * the range <code>[off, off+2*(wordSize/8)-1]</code> are used.
+ *
+ * @param version The version number.
+ * @param rounds The number of rounds.
+ * @param wordSize The size of a word, in bits.
+ * @param iv The IV data.
+ * @param off From where in the array the IV starts.
+ */
+ public
+ RC5ParameterSpec(int version, int rounds, int wordSize, byte[] iv, int off)
+ {
+ this(version, rounds, wordSize);
+ int ivLength = 2 * (wordSize / 8);
+ if (off < 0)
+ throw new IllegalArgumentException();
+ if (iv.length - off < ivLength)
+ {
+ throw new IllegalArgumentException("IV too short");
+ }
+ this.iv = new byte[ivLength];
+ System.arraycopy(iv, off, this.iv, 0, ivLength);
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Return the initializaiton vector, or <code>null</code> if none was
+ * specified.
+ *
+ * @return The IV, or null.
+ */
+ public byte[] getIV()
+ {
+ return iv;
+ }
+
+ /**
+ * Get the number of rounds.
+ *
+ * @return The number of rounds.
+ */
+ public int getRounds()
+ {
+ return rounds;
+ }
+
+ /**
+ * Get the version number.
+ *
+ * @return The version number.
+ */
+ public int getVersion()
+ {
+ return version;
+ }
+
+ /**
+ * Get the word size, in bits.
+ *
+ * @return The word size, in bits.
+ */
+ public int getWordSize()
+ {
+ return wordSize;
+ }
+
+ public boolean equals(Object o)
+ {
+ if (this == o) return true;
+ byte[] oiv = ((RC5ParameterSpec) o).getIV();
+ if (iv != oiv)
+ {
+ if (iv == null || oiv == null) return false;
+ if (iv.length != oiv.length) return false;
+ for (int i = 0; i < iv.length; i++)
+ {
+ if (iv[i] != oiv[i])
+ {
+ return false;
+ }
+ }
+ }
+ return rounds == ((RC5ParameterSpec) o).getRounds()
+ && version == ((RC5ParameterSpec) o).getVersion()
+ && wordSize == ((RC5ParameterSpec) o).getWordSize();
+ }
+
+ public int hashCode()
+ {
+ int code = rounds + version + wordSize;
+ if (iv != null)
+ {
+ for (int i = 0; i < iv.length; i++)
+ {
+ code += iv[i];
+ }
+ }
+ return code;
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/SecretKeySpec.java b/libjava/classpath/javax/crypto/spec/SecretKeySpec.java
new file mode 100644
index 000000000..86c4e05d4
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/SecretKeySpec.java
@@ -0,0 +1,163 @@
+/* SecretKeySpec.java -- Wrapper for secret keys.
+ 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.spec;
+
+import java.security.spec.KeySpec;
+
+import javax.crypto.SecretKey;
+
+/**
+ * This is a simple wrapper around a raw byte array, for ciphers that do
+ * not require any key parameters other than the bytes themselves.
+ *
+ * <p>Since this class implements {@link javax.crypto.SecretKey}, which
+ * in turn extends {@link java.security.Key}, so instances of this class
+ * may be passed directly to the <code>init()</code> methods of {@link
+ * javax.crypto.Cipher}.
+ *
+ * @see javax.crypto.SecretKey
+ * @see javax.crypto.SecretKeyFactory
+ */
+public class SecretKeySpec implements KeySpec, SecretKey
+{
+
+ // Constants and fields.
+ // ------------------------------------------------------------------------
+
+ /** Compatible with JDK1.4. */
+ private static final long serialVersionUID = 6577238317307289933L;
+
+ /** The key bytes. */
+ private byte[] key;
+
+ /** The algorithm's name. */
+ private String algorithm;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new secret key spec from an entire byte array.
+ *
+ * @param key The key material.
+ * @param algorithm The name of the algorithm using this key.
+ */
+ public SecretKeySpec(byte[] key, String algorithm)
+ {
+ this(key, 0, key.length, algorithm);
+ }
+
+ /**
+ * Create a new secret key spec from part of a byte array.
+ *
+ * @param key The key material.
+ * @param off The offset at which key material begins.
+ * @param len The length of key material.
+ * @param algorithm The name of the algorithm using this key.
+ */
+ public SecretKeySpec(byte[] key, int off, int len, String algorithm)
+ {
+ this.key = new byte[len];
+ this.algorithm = algorithm;
+ System.arraycopy(key, off, this.key, 0, len);
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Return the name of the algorithm associated with this secret key.
+ *
+ * @return The algorithm's name.
+ */
+ public String getAlgorithm()
+ {
+ return algorithm;
+ }
+
+ /**
+ * Return the key as a byte array.
+ *
+ * @return The key material.
+ */
+ public byte[] getEncoded()
+ {
+ return key;
+ }
+
+ /**
+ * This key's format, which is always "RAW".
+ *
+ * @return "RAW"
+ */
+ public String getFormat()
+ {
+ return "RAW";
+ }
+
+ public boolean equals(Object o)
+ {
+ if (o instanceof SecretKeySpec)
+ {
+ byte[] okey = ((SecretKeySpec) o).getEncoded();
+ if (key.length != okey.length)
+ return false;
+ for (int i = 0; i < key.length; i++)
+ {
+ if (key[i] != okey[i])
+ return false;
+ }
+ return algorithm.equals(((SecretKeySpec) o).getAlgorithm());
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ public int hashCode()
+ {
+ int code = 0;
+ for (int i = 0; i < key.length; i++)
+ {
+ code ^= (key[i] & 0xff) << (i << 3 & 31);
+ }
+ return code ^ algorithm.hashCode();
+ }
+}
diff --git a/libjava/classpath/javax/crypto/spec/package.html b/libjava/classpath/javax/crypto/spec/package.html
new file mode 100644
index 000000000..8580c2f42
--- /dev/null
+++ b/libjava/classpath/javax/crypto/spec/package.html
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!-- package.html - describes classes in javax.crypto.spec package.
+ 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. -->
+
+<html>
+<head><title>GNU Classpath - javax.crypto.spec</title></head>
+
+<body>
+<p></p>
+
+</body>
+</html>