/*
* New BSD license: http://opensource.org/licenses/bsd-license.php
*
* Copyright (c) 2010.
* Henry Story
* http://bblfish.net/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Sun Microsystems, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.apache.clerezza.ssl.keygen.bouncy;
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
import org.apache.clerezza.ssl.keygen.PubKey;
import org.apache.clerezza.ssl.keygen.RSAPubKey;
import java.math.BigInteger;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.RSAPublicKeySpec;
import static java.security.KeyFactory.getInstance;
/**
* Implementation of PubKey
*
* @author Henry J. Story
*/
public abstract class DefaultPubKey implements PubKey {
static public PubKey create(PublicKey p) {
if (p instanceof RSAPublicKey) {
return new DefaultRSAPubKey((RSAPublicKey) p);
} else return null; //we don't deal with other keys yet
}
}
class DefaultRSAPubKey implements RSAPubKey {
RSAPublicKey rpk;
BigInteger mod, exp;
DefaultRSAPubKey(RSAPublicKey pk) {
rpk = pk;
exp = pk.getPublicExponent();
mod = pk.getModulus();
}
DefaultRSAPubKey(BigInteger exponent, BigInteger modulus) throws NoSuchAlgorithmException, InvalidKeySpecException {
this.exp = exponent;
this.mod = modulus;
rpk = (RSAPublicKey)getInstance("RSA").
generatePublic( new RSAPublicKeySpec(mod,exp));
}
/**
* A very simple beautify script to cut a large hex string into 60 character lengths
* (this should not really be in this class but somewhere else)
*
* @param s a string to beautify
* @return a beautified string
*/
static String beautify(String s) {
StringBuilder answer = new StringBuilder();
int start = 0;
while (start < s.length()) {
int end = start + 60;
if (end > s.length()) end = s.length();
String line = s.substring(start, end);
answer.append(line);
answer.append("\r\n");
start = end;
}
return answer.toString();
}
@Override
public String getHexModulus() {
return beautify(mod.toString(16));
}
@Override
public String getIntExponent() {
return exp.toString();
}
@Override
public PublicKey getPublicKey() {
return rpk;
}
}