Random.java

/*
 * Copyright (C)2009 - SSHJ Contributors
 *
 * 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.
 */
package net.schmizz.sshj.transport.random;

/** A pseudo random number generator. */
public interface Random {

    /**
     * Fill the array of bytes with random values.
     *
     * @param bytes byte array to be filled.
     */
    void fill(byte[] bytes);

    /**
     * Fill part of bytes with random values.
     *
     * @param bytes byte array to be filled.
     * @param start index to start filling at.
     * @param len   length of segment to fill.
     */
    void fill(byte[] bytes, int start, int len);

}