graphenej/src/main/java/de/bitsharesmunich/graphenej/crypto/EntropySource.java

19 lines
595 B
Java

package de.bitsharesmunich.graphenej.crypto;
import java.nio.ByteBuffer;
/**
* A simple interface that can be used to retrieve entropy from any source.
*
* @author owlstead
*/
public interface EntropySource {
/**
* Retrieves the entropy.
* The position of the ByteBuffer must be advanced to the limit by any users calling this method.
* The values of the bytes between the position and limit should be set to zero by any users calling this method.
*
* @return entropy within the position and limit of the given buffer
*/
ByteBuffer provideEntropy();
}