diff --git a/helper/src/main/kotlin/cfig/helper/CryptoHelper.kt b/helper/src/main/kotlin/cfig/helper/CryptoHelper.kt
index 3233634..d43b0c2 100644
--- a/helper/src/main/kotlin/cfig/helper/CryptoHelper.kt
+++ b/helper/src/main/kotlin/cfig/helper/CryptoHelper.kt
@@ -14,10 +14,7 @@ import org.slf4j.LoggerFactory
 import java.io.*
 import java.math.BigInteger
 import java.math.RoundingMode
-import java.security.KeyFactory
-import java.security.KeyStore
-import java.security.MessageDigest
-import java.security.Security
+import java.security.*
 import java.security.cert.Certificate
 import java.security.cert.CertificateFactory
 import java.security.spec.PKCS8EncodedKeySpec
@@ -91,7 +88,7 @@ class CryptoHelper {
                     }
                     if (bSuccess) return KeyBox(
                         KeyFormat.DER,
-                        sun.security.rsa.RSAPrivateCrtKeyImpl::class,
+                        PrivateKey::class,
                         ret
                     )
                     //try 2
diff --git a/src/integrationTest/resources b/src/integrationTest/resources
index e228732..8b7e5fb 160000
--- a/src/integrationTest/resources
+++ b/src/integrationTest/resources
@@ -1 +1 @@
-Subproject commit e22873286ef13ebaf60d39dd51405cb6825cef97
+Subproject commit 8b7e5fba4fe3dc9773f5156e9597c82a616a93ff
diff --git a/src/integrationTest/resources_2 b/src/integrationTest/resources_2
index ce834db..bf966f6 160000
--- a/src/integrationTest/resources_2
+++ b/src/integrationTest/resources_2
@@ -1 +1 @@
-Subproject commit ce834dbe0bb8b307b45480d6724a33ee928bbaff
+Subproject commit bf966f66a1546fbb3f765ad6daeea42db57342e1