org.libsodium.jni.crypto.Random Maven / Gradle / Ivy
/**
* Copyright 2013 Bruno Oliveira, and individual 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 org.libsodium.jni.crypto;
import static org.libsodium.jni.NaCl.sodium;
public class Random {
private static final int DEFAULT_SIZE = 32;
/**
* Generate random bytes
*
* @param n number or random bytes
* @return Byte array with random bytes
*/
public byte[] randomBytes(int n) {
byte[] buffer = new byte[n];
sodium().randombytes(buffer, n);
return buffer;
}
public byte[] randomBytes() {
byte[] buffer = new byte[DEFAULT_SIZE];
sodium().randombytes(buffer, DEFAULT_SIZE);
return buffer;
}
}