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authorbryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4>2001-04-25 15:45:15 +0000
committerbryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4>2001-04-25 15:45:15 +0000
commit3f0ac9ff1c5ee8e74638815f744c8a8507c0e10f (patch)
treee9e280e2d95c4a16d714ee23d9f0345ef0401260 /libjava/java/security/KeyPairGenerator.java
parentcbb71249e7abe7f713d5458520378630dc1f59d1 (diff)
downloadppe42-gcc-3f0ac9ff1c5ee8e74638815f744c8a8507c0e10f.tar.gz
ppe42-gcc-3f0ac9ff1c5ee8e74638815f744c8a8507c0e10f.zip
gcc/java:
2001-04-25 Bryce McKinlay <bryce@waitaki.otago.ac.nz> * decl.c (init_decl_processing): Add new class "protectionDomain" field. * class.c (make_class_data): Set initial value for "protectionDomain". libjava: 2001-04-25 Bryce McKinlay <bryce@albatross.co.nz> java.security merge and ClassLoader compliance fixes. * java/lang/Class.h (Class): Include ProtectionDomain.h. New protectionDomain field. (forName): Add initialize parameter. Fixes declaration to comply with JDK spec. * java/lang/natClass.cc (forName): Correct declaration of the three-arg variant. Honour "initialize" flag. (getProtectionDomain0): New method. * java/lang/Class.java: Fix forName() declaration. (getPackage): New method based on Classpath implementation. (getProtectionDomain0): New native method decl. (getProtectionDomain): New method. * java/lang/ClassLoader.java (getParent): Now final. (definedPackages): New field. (getPackage): New. (defineClass): New variant with protectionDomain argument. (definePackage): New. (getPackages): New. (findSystemClass): Now final. (getSystemResourceAsStream): Remove redundant "final" modifier. (getSystemResource): Remove redundant "final" modifier. (getResources): Now final. (protectionDomainPermission): New static field. (unknownProtectionDomain): Ditto. (defaultProtectionDomain): Ditto. (getSystemClassLoader): Now non-native. * java/util/ResourceBundle.java (tryGetSomeBundle): Use the correct arguments for Class.forName(). * java/lang/Package.java: New file. * gnu/gcj/runtime/VMClassLoader.java (getVMClassLoader): Removed. (instance): Static initialize singleton. (findClass): Override this, not findSystemClass. * java/lang/natClassLoader.cc (defineClass0): Set class's protectionDomain field as specified. (getSystemClassLoader): Removed. (findClass): Renamed from findSystemClass. Call the interpreter via URLClassLoader.findClass if loading class via dlopen fails. * java/security/*.java: java.security import/merge with Classpath. * java/security/acl/*.java: Likewise. * java/security/interfaces/*.java: Likewise. * java/security/spec/*.java: Likewise. * java/net/NetPermission.java: Likewise. * java/net/SocketPermission.java: Likewise. * gnu/java/security/provider/DefaultPolicy.java: Likewise. * Makefile.am: Add new classes. * Makefile.in: Rebuilt. * gcj/javaprims.h: CNI namespace rebuild. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41543 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/security/KeyPairGenerator.java')
-rw-r--r--libjava/java/security/KeyPairGenerator.java264
1 files changed, 217 insertions, 47 deletions
diff --git a/libjava/java/security/KeyPairGenerator.java b/libjava/java/security/KeyPairGenerator.java
index 7954c3270ac..aff73103575 100644
--- a/libjava/java/security/KeyPairGenerator.java
+++ b/libjava/java/security/KeyPairGenerator.java
@@ -1,86 +1,256 @@
-/* Copyright (C) 2000 Free Software Foundation
+/* KeyPairGenerator.java --- Key Pair Generator Class
+ Copyright (C) 1999 Free Software Foundation, Inc.
- This file is part of libgcj.
+This file is part of GNU Classpath.
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
+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.AlgorithmParameterSpec;
/**
- * @author Warren Levy <warrenl@cygnus.com>
- * @date February 10, 2000.
- */
+ KeyPairGenerator is the class used to generate key pairs
+ for a security algorithm.
-/**
- * Written using on-line Java Platform 1.2 API Specification.
- * Status: Partially implemented to the 1.1 spec.
- * It is known not to comply with the 1.2 spec.
- */
+ The KeyPairGenerator is created with the getInstance()
+ methods. The class is used to generate public and private
+ keys for an algorithm and associate it with
+ algorithm parameters.
+ @author Mark Benvenuto
+ */
public abstract class KeyPairGenerator extends KeyPairGeneratorSpi
{
+ private Provider provider;
+ private String algorithm;
+
+ /**
+ Constructs a new KeyPairGenerator
+
+ @param algorithm the algorithm to use
+ */
protected KeyPairGenerator(String algorithm)
{
- name = algorithm;
+ this.algorithm = algorithm;
+ this.provider = null;
}
- public static KeyPairGenerator getInstance(String algorithm)
- throws NoSuchAlgorithmException
+ /**
+ Returns the name of the algorithm used
+
+ @return A string with the name of the algorithm
+ */
+ public String getAlgorithm()
{
+ return algorithm;
+ }
+
+ /**
+ Gets an instance of the KeyPairGenerator class
+ which generates key pairs for the specified algorithm.
+ If the algorithm is not found then, it throws NoSuchAlgorithmException.
+
+ @param algorithm the name of algorithm to choose
+ @return a AlgorithmParameterGenerator repesenting the desired algorithm
+
+ @throws NoSuchAlgorithmException if the algorithm is not implemented by providers
+ */
+ public static KeyPairGenerator getInstance(String algorithm) throws
+ NoSuchAlgorithmException
+ {
+ Provider[] p = Security.getProviders();
+
String name = "KeyPairGenerator." + algorithm;
- Provider[] provs = Security.getProviders();
- for (int i = 0; i < provs.length; ++i)
+ for (int i = 0; i < p.length; i++)
{
- String val = provs[i].getProperty(name);
- if (val != null)
- {
- try
- {
- return (KeyPairGenerator) Class.forName(val).newInstance();
- }
- catch (Throwable _)
- {
- // We just ignore failures.
- }
- }
+ String classname = p[i].getProperty(name);
+ if (classname != null)
+ return getInstance(classname, algorithm, p[i]);
}
throw new NoSuchAlgorithmException(algorithm);
}
+ /**
+ Gets an instance of the KeyPairGenerator class
+ which generates key pairs for the specified algorithm.
+ If the algorithm is not found then, it throws NoSuchAlgorithmException.
+
+ @param algorithm the name of algorithm to choose
+ @param provider the name of the provider to find the algorithm in
+ @return a AlgorithmParameterGenerator 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 KeyPairGenerator getInstance(String algorithm, String provider)
throws NoSuchAlgorithmException, NoSuchProviderException
{
- String name = "KeyPairGenerator." + algorithm;
Provider p = Security.getProvider(provider);
if (p == null)
- throw new NoSuchProviderException(provider);
- String val = p.getProperty(name);
- if (val != null)
+ throw new NoSuchProviderException();
+
+ return getInstance(p.getProperty("KeyPairGenerator." + algorithm),
+ algorithm, p);
+ }
+
+ private static KeyPairGenerator getInstance(String classname,
+ String algorithm,
+ Provider provider)
+ throws NoSuchAlgorithmException
+ {
+ try
{
- try
- {
- return (KeyPairGenerator) Class.forName(val).newInstance();
- }
- catch (Throwable _)
+ Object o = Class.forName(classname).newInstance();
+ KeyPairGenerator kpg;
+ if (o instanceof KeyPairGeneratorSpi)
+ kpg =
+ (KeyPairGenerator) (new
+ DummyKeyPairGenerator((KeyPairGeneratorSpi) o,
+ algorithm));
+ else
{
- // Nothing.
+ kpg = (KeyPairGenerator) o;
+ kpg.algorithm = algorithm;
}
+
+ kpg.provider = provider;
+ return kpg;
+ }
+ 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");
+ }
+ }
- throw new NoSuchAlgorithmException(algorithm);
+ /**
+ Gets the provider that the class is from.
+
+ @return the provider of this class
+ */
+ public final Provider getProvider()
+ {
+ return provider;
}
- public String getAlgorithm()
+ /**
+ Initializes the KeyPairGenerator for the specified key size.
+ (Since no source of randomness is specified, a default one is
+ provided.)
+
+ @param keysize Size of key to generate
+ */
+ public void initialize(int keysize)
+ {
+ initialize(keysize, new SecureRandom());
+ }
+
+ /**
+ Initializes the KeyPairGenerator for the specified key size
+ and specified SecureRandom.
+
+ @param keysize Size of key to generate
+ @param random SecureRandom to use
+
+ @since JDK 1.2
+ */
+ public void initialize(int keysize, SecureRandom random)
+ {
+ initialize(keysize, random);
+ }
+
+ /**
+ Initializes the KeyPairGenerator with the specified
+ AlgorithmParameterSpec class.
+ (Since no source of randomness is specified, a default one is
+ provided.)
+
+ @param params AlgorithmParameterSpec to initialize with
+
+ @since JDK 1.2
+ */
+ public void initialize(AlgorithmParameterSpec params)
+ throws InvalidAlgorithmParameterException
{
- return name;
+ initialize(params, new SecureRandom());
}
- public abstract void initialize(int strength, SecureRandom random);
- public abstract KeyPair generateKeyPair();
+ /**
+ Initializes the KeyPairGenerator with the specified
+ AlgorithmParameterSpec class and specified SecureRandom.
- // Algorithm name.
- private String name;
+ @param params AlgorithmParameterSpec to initialize with
+ @param random SecureRandom to use
+
+ @since JDK 1.2
+ */
+ public void initialize(AlgorithmParameterSpec params, SecureRandom random)
+ throws InvalidAlgorithmParameterException
+ {
+ super.initialize(params, random);
+ }
+
+ /**
+ Generates a KeyPair according the rules for the algorithm.
+ Unless intialized, algorithm defaults will be used. It
+ creates a unique key pair each time.
+
+ Same as generateKeyPair();
+
+ @return a key pair
+ */
+ public final KeyPair genKeyPair()
+ {
+ try
+ {
+ return getInstance("DSA", "GNU").generateKeyPair();
+ }
+ catch (Exception e)
+ {
+ System.err.println("genKeyPair failed: " + e);
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ Generates a KeyPair according the rules for the algorithm.
+ Unless intialized, algorithm defaults will be used. It
+ creates a unique key pair each time.
+
+ Same as genKeyPair();
+
+ @return a key pair
+ */
+ public KeyPair generateKeyPair()
+ {
+ return genKeyPair();
+ }
}
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