1 files changed, 17 insertions, 0 deletions

diff --git a/src/cz/crcs/ectester/applet/ECUtil.java b/src/cz/crcs/ectester/applet/ECUtil.java
new file mode 100644
index 0000000..e7e4a8a
--- /dev/null
+++ b/src/cz/crcs/ectester/applet/ECUtil.java
@@ -0,0 +1,17 @@
+package cz.crcs.ectester.applet;
+
+import javacard.framework.ISO7816;
+import javacard.framework.ISOException;
+import javacard.security.KeyPair;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public class ECUtil {
+
+    static short nullCheck(KeyPair keyPair) {
+        if (keyPair == null)
+            ISOException.throwIt(ECTesterApplet.SW_KEYPAIR_NULL);
+        return ISO7816.SW_NO_ERROR;
+    }
+}