org.conscrypt.OpenSSLRandom Maven / Gradle / Ivy
/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.conscrypt;
import java.io.Serializable;
import java.security.SecureRandomSpi;
/**
* Implements {@link java.security.SecureRandom} using BoringSSL's RAND interface.
*
* @hide
*/
@Internal
public final class OpenSSLRandom extends SecureRandomSpi implements Serializable {
private static final long serialVersionUID = 8506210602917522861L;
public OpenSSLRandom() {}
@Override
protected void engineSetSeed(byte[] seed) {
if (seed == null) {
throw new NullPointerException("seed == null");
}
}
@Override
protected void engineNextBytes(byte[] bytes) {
NativeCrypto.RAND_bytes(bytes);
}
@Override
protected byte[] engineGenerateSeed(int numBytes) {
byte[] output = new byte[numBytes];
NativeCrypto.RAND_bytes(output);
return output;
}
}