From cb884d97cb380bc9b4dad03f4d2bf039605d45b5 Mon Sep 17 00:00:00 2001
From: Craig Raw <craigraw@gmail.com>
Date: Tue, 6 Apr 2021 11:46:51 +0200
Subject: [PATCH] request strongest instance of securerandom when generating a
 seed

---
 .../sparrow/control/MnemonicKeystoreImportPane.java    | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java b/src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java
index 3ea899f1..cfeeb4a2 100644
--- a/src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java
+++ b/src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java
@@ -30,6 +30,7 @@ import org.controlsfx.validation.ValidationSupport;
 import org.controlsfx.validation.Validator;
 import org.controlsfx.validation.decoration.StyleClassValidationDecoration;
 
+import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -275,7 +276,14 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
         int mnemonicSeedLength = wordEntriesProperty.get().size() * 11;
         int entropyLength = mnemonicSeedLength - (mnemonicSeedLength/33);
 
-        DeterministicSeed deterministicSeed = new DeterministicSeed(new SecureRandom(), entropyLength, "");
+        SecureRandom secureRandom;
+        try {
+            secureRandom = SecureRandom.getInstanceStrong();
+        } catch(NoSuchAlgorithmException e) {
+            secureRandom = new SecureRandom();
+        }
+
+        DeterministicSeed deterministicSeed = new DeterministicSeed(secureRandom, entropyLength, "");
         generatedMnemonicCode = deterministicSeed.getMnemonicCode();
 
         displayMnemonicCode();