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diff --git a/libjava/java/security/AlgorithmParameters.java b/libjava/java/security/AlgorithmParameters.java
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+/* AlgorithmParameters.java --- Algorithm Parameters Implementation Class
+   Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.security;
+import java.security.spec.InvalidParameterSpecException;
+import java.security.spec.AlgorithmParameterSpec;
+import java.io.IOException;
+
+/**
+   AlgorithmParameters is the Algorithm Parameters class which 
+   provides an interface through which to modify parameters for 
+   classes. This class is used to manage the algorithm parameters.
+
+   @since JDK 1.2
+   @author Mark Benvenuto
+ */
+public class AlgorithmParameters
+{
+  private AlgorithmParametersSpi paramSpi;
+  private Provider provider;
+  private String algorithm;
+
+  /**
+     Creates an instance of AlgorithmParameters
+
+     @param paramSpi A parameters engine to use
+     @param provider A provider to use
+     @param algorithm The algorithm 
+   */
+  protected AlgorithmParameters(AlgorithmParametersSpi paramSpi,
+				Provider provider, String algorithm)
+  {
+    this.paramSpi = paramSpi;
+    this.provider = provider;
+    this.algorithm = algorithm;
+  }
+
+  /**
+     Returns the name of the algorithm used
+
+     @return A string with the name of the algorithm
+   */
+  public final String getAlgorithm()
+  {
+    return algorithm;
+  }
+
+  /** 
+     Gets an instance of the AlgorithmParameters class representing
+     the specified algorithm parameters. If the algorithm is not 
+     found then, it throws NoSuchAlgorithmException.
+
+     The returned AlgorithmParameters must still be intialized with
+     init().
+
+     @param algorithm the name of algorithm to choose
+     @return a AlgorithmParameters repesenting the desired algorithm
+
+     @throws NoSuchAlgorithmException if the algorithm is not implemented by providers
+   */
+  public static AlgorithmParameters getInstance(String algorithm) throws
+    NoSuchAlgorithmException
+  {
+    Provider[] p = Security.getProviders();
+
+    for (int i = 0; i < p.length; i++)
+      {
+	String classname =
+	  p[i].getProperty("AlgorithmParameters." + algorithm);
+	if (classname != null)
+	  return getInstance(classname, algorithm, p[i]);
+      }
+
+    throw new NoSuchAlgorithmException(algorithm);
+  }
+
+  /** 
+     Gets an instance of the AlgorithmParameters class representing
+     the specified algorithm parameters from the specified provider. 
+     If the algorithm is not found then, it throws 
+     NoSuchAlgorithmException. If the provider is not found, then 
+     it throws NoSuchProviderException.
+
+     The returned AlgorithmParameters must still be intialized with
+     init().
+
+     @param algorithm the name of algorithm to choose
+     @param provider the name of the provider to find the algorithm in
+     @return a AlgorithmParameters repesenting the desired algorithm
+
+     @throws NoSuchAlgorithmException if the algorithm is not implemented by the provider
+     @throws NoSuchProviderException if the provider is not found
+   */
+  public static AlgorithmParameters getInstance(String algorithm,
+						String provider) throws
+    NoSuchAlgorithmException, NoSuchProviderException
+  {
+    Provider p = Security.getProvider(provider);
+    if (p == null)
+      throw new NoSuchProviderException();
+
+    return getInstance(p.getProperty("AlgorithmParameters." + algorithm),
+		       algorithm, p);
+  }
+
+  private static AlgorithmParameters getInstance(String classname,
+						 String algorithm,
+						 Provider provider)
+    throws NoSuchAlgorithmException
+  {
+
+    try
+      {
+	return new AlgorithmParameters((AlgorithmParametersSpi) Class.
+				       forName(classname).newInstance(),
+				       provider, algorithm);
+      }
+    catch (ClassNotFoundException cnfe)
+      {
+	throw new NoSuchAlgorithmException("Class not found");
+      }
+    catch (InstantiationException ie)
+      {
+	throw new NoSuchAlgorithmException("Class instantiation failed");
+      }
+    catch (IllegalAccessException iae)
+      {
+	throw new NoSuchAlgorithmException("Illegal Access");
+      }
+  }
+
+  /**
+     Gets the provider that the class is from.
+
+     @return the provider of this class
+   */
+  public final Provider getProvider()
+  {
+    return provider;
+  }
+
+  /**
+     Initializes the engine with the specified 
+     AlgorithmParameterSpec class.
+
+     @param paramSpec A AlgorithmParameterSpec to initialize with
+
+     @throws InvalidParameterSpecException For an inapporiate ParameterSpec class
+   */
+  public final void init(AlgorithmParameterSpec paramSpec) throws
+    InvalidParameterSpecException
+  {
+    paramSpi.engineInit(paramSpec);
+  }
+
+  /**
+     Initializes the engine with the specified 
+     parameters stored in the byte array and decodes them
+     according to the ASN.1 specification. If the ASN.1
+     specification exists then it succeeds or else it throws
+     IOException.
+
+     @param params Parameters to initialize with
+
+     @throws IOException Decoding Error
+   */
+  public final void init(byte[]params) throws IOException
+  {
+    paramSpi.engineInit(params);
+  }
+
+  /**
+     Initializes the engine with the specified 
+     parameters stored in the byte array and decodes them
+     according to the specified decoding specification. 
+     If format is null, then it is decoded using the ASN.1 
+     specification if it exists or else it throws
+     IOException.
+
+     @param params Parameters to initialize with
+     @param format Name of decoding format to use
+
+     @throws IOException Decoding Error
+   */
+  public final void init(byte[]params, String format) throws IOException
+  {
+    paramSpi.engineInit(params, format);
+  }
+
+  /**
+     Returns a specification of this AlgorithmParameters object.
+     paramSpec identifies the class to return the AlgortihmParameters
+     in. 
+
+     @param paramSpec Class to return AlgorithmParameters in
+
+     @return the parameter specification
+
+     @throws InvalidParameterSpecException if the paramSpec is an invalid parameter class
+   */
+  public final AlgorithmParameterSpec getParameterSpec(Class paramSpec) throws
+    InvalidParameterSpecException
+  {
+    return paramSpi.engineGetParameterSpec(paramSpec);
+  }
+
+  /**
+     Returns the parameters in the default encoding format. 
+     The primary encoding format is ASN.1 format if it exists
+     for the specified type.
+
+     @return byte array representing the parameters
+   */
+  public final byte[] getEncoded() throws IOException
+  {
+    return paramSpi.engineGetEncoded();
+  }
+
+  /**
+     Returns the parameters in the specified encoding format. 
+     If <code>format</code> is <code>null</code> then the 
+     primary encoding format is used, the ASN.1 format, 
+     if it exists for the specified type.
+
+     @return byte array representing the parameters
+   */
+  public final byte[] getEncoded(String format) throws IOException
+  {
+    return paramSpi.engineGetEncoded(format);
+  }
+
+  /**
+     Returns a string representation of the encoding format
+
+     @return a string containing the string representation
+   */
+  public final String toString()
+  {
+    return paramSpi.engineToString();
+  }
+}