1 files changed, 1 insertions, 1 deletions
diff --git a/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java b/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java
index b60f2c6..602b1c4 100644
--- a/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java
+++ b/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java
@@ -71,7 +71,7 @@ public abstract class NativeSignatureSpi extends SignatureSpi {
             if (signKey instanceof NativeECPrivateKey) {
                 privkey = ((NativeECPrivateKey) signKey).getData();
             } else {
-                privkey = ECUtil.toByteArray(signKey.getS(), params.getCurve().getField().getFieldSize());
+                privkey = ECUtil.toByteArray(signKey.getS(), params.getOrder().bitLength());
             }
             return sign(buffer.toByteArray(), privkey, params);
         }