Java Key Pair Create generateKey(SecureRandom sr, int size)

Description

generate Key

License

Apache License

Declaration

public static Key generateKey(SecureRandom sr, int size) 

Method Source Code

//package com.java2s;
/*//w ww . j  av a2 s  .c  om
 * 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 java.security.Key;

import java.security.SecureRandom;

import javax.crypto.spec.SecretKeySpec;

public class Main {
    public static Key generateKey(SecureRandom sr, int size) {
        byte[] bytes = new byte[size];
        sr.nextBytes(bytes);
        return new SecretKeySpec(bytes, "AES");
    }
}

Related

1. generateKey(byte[] keyBytes)
2. generateKey(byte[] keyBytes)
3. generateKey(char[] password)
4. generateKey(final SecureRandom srand)
5. generateKey(final String password, final byte salt[])
6. generateKey(String algom, int keylength)
7. generateKey(String algorithm, int keySize)
8. generateKey(String algorithm, int size)
9. generateKey(String cipherAlgorithm)