Java API Tutorial - Java SecureRandom(byte[] seed) Constructor

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Syntax

SecureRandom(byte[] seed) constructor from SecureRandom has the following syntax.

public SecureRandom(byte[] seed)

Example

In the following code shows how to use SecureRandom.SecureRandom(byte[] seed) constructor.

//from  ww  w  .  ja  va2s .co m
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;

public class Main {
  public static void main(String[] args) throws NoSuchAlgorithmException {
    int numBytes = (new Integer("1111")).intValue();

    SecureRandom srand = new SecureRandom(new byte[]{1,2,3,4});

    byte[] bytes = new byte[numBytes];
    srand.nextBytes(bytes);
    System.out.println(new String(bytes));
  }
}

The code above generates the following result.

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