RandomExample : SecureRandom

Use NativePRNGNonBlocking in SecureRandom Signed-off-by: neojou <neojou@gmail.com>
neojou · Dec 7, 2022 · 3cfe649 · 3cfe649
1 parent cbe6fb1
commit 3cfe649
Showing 1 changed file with 11 additions and 7 deletions.
diff --git a/RandomExample/src/Main.java b/RandomExample/src/Main.java
@@ -1,4 +1,5 @@
 
+import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.util.function.IntUnaryOperator;
 import java.util.IntSummaryStatistics;
@@ -32,13 +33,16 @@ public static void main(String[] args) {
         System.out.println();
 
         // SecureRandom
-        SecureRandom srnd = new SecureRandom();
-        System.out.println("default secure random algorithm = " + srnd.getAlgorithm());
-        for (int i = 0; i < 10; i++) {
-            r = 10 + srnd.nextInt(100 - 10 + 1);
-            System.out.print(" " + r);
+        try {
+            SecureRandom srnd = SecureRandom.getInstance("NativePRNGNonBlocking");
+            System.out.println("current random algorithm = " + srnd.getAlgorithm());
+            for (int i = 0; i < 10; i++) {
+                r = 10 + srnd.nextInt(100 - 10 + 1);
+                System.out.print(" " + r);
+            }
+            System.out.println();
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
         }
-        System.out.println();
-
     }
 }