dorkbox.util.entropy.SimpleEntropy.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010 dorkbox, llc
 *
 * 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 dorkbox.util.entropy

import java.security.SecureRandom

class SimpleEntropy : EntropyProvider {
    private val secureRandom = SecureRandom()

    override operator fun get(messageForUser: String): ByteArray {
        val rand = ByteArray(256)
        synchronized(secureRandom) {
            secureRandom.nextBytes(rand)
        }
        return rand
    }
}