2 files changed, 19 insertions, 3 deletions

diff --git a/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyAgreementSpi.java b/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyAgreementSpi.java
index 31886cf..aa053bf 100644
--- a/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyAgreementSpi.java
+++ b/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyAgreementSpi.java
@@ -20,6 +20,10 @@ public abstract class NativeKeyAgreementSpi extends KeyAgreementSpi {
     ECPublicKey publicKey;
     ECParameterSpec params;
 
+    public NativeKeyAgreementSpi() {
+
+    }
+
     @Override
     protected void engineInit(Key key, SecureRandom random) throws InvalidKeyException {
         if (!(key instanceof ECPrivateKey)) {
@@ -77,6 +81,10 @@ public abstract class NativeKeyAgreementSpi extends KeyAgreementSpi {
 
     private abstract static class SimpleKeyAgreementSpi extends NativeKeyAgreementSpi {
 
+        public SimpleKeyAgreementSpi() {
+
+        }
+
         @Override
         protected byte[] engineGenerateSecret() throws IllegalStateException {
             byte[] pubkey;
@@ -99,6 +107,10 @@ public abstract class NativeKeyAgreementSpi extends KeyAgreementSpi {
 
     private abstract static class ExtendedKeyAgreementSpi extends NativeKeyAgreementSpi {
 
+        public ExtendedKeyAgreementSpi() {
+
+        }
+
         @Override
         protected byte[] engineGenerateSecret() throws IllegalStateException {
             return generateSecret(publicKey, privateKey, params);
diff --git a/src/cz/crcs/ectester/standalone/libs/jni/NativeProvider.java b/src/cz/crcs/ectester/standalone/libs/jni/NativeProvider.java
index f580d74..fef2930 100644
--- a/src/cz/crcs/ectester/standalone/libs/jni/NativeProvider.java
+++ b/src/cz/crcs/ectester/standalone/libs/jni/NativeProvider.java
@@ -12,10 +12,14 @@ public abstract class NativeProvider extends Provider {
     public NativeProvider(String name, double version, String info) {
         super(name, version, info);
 
-        AccessController.doPrivileged((PrivilegedAction<Object>) () -> {
+        if (System.getSecurityManager() == null) {
             setup();
-            return null;
-        });
+        } else {
+            AccessController.doPrivileged((PrivilegedAction<Object>) () -> {
+                setup();
+                return null;
+            });
+        }
     }
 
     abstract void setup();