Java BigInteger Calculate saveKey(File destDir, String fileName, BigInteger modulus, BigInteger publicExponent)

Description

save Key

License

Apache License

Declaration

private static boolean saveKey(File destDir, String fileName, BigInteger modulus, BigInteger publicExponent) 

Method Source Code

//package com.java2s;
/*//from   w  w w.ja v  a  2 s.  c o m
 * Copyright (c) 2016 Martin Pfeffer
 *
 * Licensed 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 java.io.BufferedOutputStream;
import java.io.File;

import java.io.FileOutputStream;

import java.io.ObjectOutputStream;
import java.math.BigInteger;

public class Main {
    private static boolean saveKey(File destDir, String fileName, BigInteger modulus, BigInteger publicExponent) {
        try {
            FileOutputStream fos = new FileOutputStream(destDir + File.separator + fileName);
            ObjectOutputStream oos = new ObjectOutputStream(new BufferedOutputStream(fos));

            oos.writeObject(modulus);
            oos.writeObject(publicExponent);

            oos.close();
            fos.close();
            return true;

        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }
}

Related

1. randomFromZn(BigInteger n, Random rand)
2. removeDuplicates(final BigInteger... values)
3. renderBigInteger(final BigInteger bint)
4. retrieveBigInteger(final byte[] buf, final int offset)
5. rightshift(byte b1, BigInteger b2)
6. saveToFile(String fileName, BigInteger mod, BigInteger exp)
7. serializeModexpNoBase(BigInteger[] modexp, boolean withResult)
8. serializeModexpResponse(BigInteger response)
9. serializeQuery(BigInteger modulus, BigInteger base, BigInteger exponent, boolean brief, String... modexps)