diff --git a/ffi/java/MclTest.java b/ffi/java/MclTest.java
index 1bbc3ce..e250d97 100644
--- a/ffi/java/MclTest.java
+++ b/ffi/java/MclTest.java
@@ -53,6 +53,11 @@ public class MclTest {
 				assertBool("serialize", x.equals(t));
 				t.setLittleEndianMod(b);
 				assertBool("setLittleEndianMod", x.equals(t));
+				t.setHashOf(b);
+				assertBool("setHashOf", !x.equals(t));
+				Fr u = new Fr();
+				u.setHashOf(new byte[]{1,2,3});
+				assertBool("setHashOf - different", !u.equals(t));
 			}
 			G1 P = new G1();
 			System.out.println("P=" + P);
diff --git a/ffi/java/com/herumi/mcl/Fr.java b/ffi/java/com/herumi/mcl/Fr.java
index b992652..3b5f1c3 100644
--- a/ffi/java/com/herumi/mcl/Fr.java
+++ b/ffi/java/com/herumi/mcl/Fr.java
@@ -100,6 +100,10 @@ public class Fr {
     MclJNI.Fr_setLittleEndianMod(swigCPtr, this, cbuf);
   }
 
+  public void setHashOf(byte[] cbuf) {
+    MclJNI.Fr_setHashOf(swigCPtr, this, cbuf);
+  }
+
   public byte[] serialize() { return MclJNI.Fr_serialize(swigCPtr, this); }
 
 }
diff --git a/ffi/java/com/herumi/mcl/MclJNI.java b/ffi/java/com/herumi/mcl/MclJNI.java
index 9724511..4ba54c2 100644
--- a/ffi/java/com/herumi/mcl/MclJNI.java
+++ b/ffi/java/com/herumi/mcl/MclJNI.java
@@ -34,6 +34,7 @@ public class MclJNI {
   public final static native String Fr_toString__SWIG_1(long jarg1, Fr jarg1_);
   public final static native void Fr_deserialize(long jarg1, Fr jarg1_, byte[] jarg2);
   public final static native void Fr_setLittleEndianMod(long jarg1, Fr jarg1_, byte[] jarg2);
+  public final static native void Fr_setHashOf(long jarg1, Fr jarg1_, byte[] jarg2);
   public final static native byte[] Fr_serialize(long jarg1, Fr jarg1_);
   public final static native void delete_Fr(long jarg1);
   public final static native void neg__SWIG_1(long jarg1, Fp jarg1_, long jarg2, Fp jarg2_);
diff --git a/ffi/java/mcl_impl.hpp b/ffi/java/mcl_impl.hpp
index 108ecac..b78faf7 100644
--- a/ffi/java/mcl_impl.hpp
+++ b/ffi/java/mcl_impl.hpp
@@ -34,6 +34,12 @@ void setLittleEndianModT(T& x, const char *cbuf, size_t bufSize)
 	x.setLittleEndianMod(cbuf, bufSize);
 }
 
+template<class T>
+void setHashOfT(T& x, const char *cbuf, size_t bufSize)
+{
+	x.setHashOf(cbuf, bufSize);
+}
+
 template<class T>
 void serializeT(std::string& out, const T& x)
 {
@@ -98,6 +104,10 @@ public:
 	{
 		setLittleEndianModT(self_, cbuf, bufSize);
 	}
+	void setHashOf(const char *cbuf, size_t bufSize) throw(std::exception)
+	{
+		setHashOfT(self_, cbuf, bufSize);
+	}
 	void serialize(std::string& out) const throw(std::exception)
 	{
 		serializeT(out, self_);
diff --git a/ffi/java/mcl_wrap.cxx b/ffi/java/mcl_wrap.cxx
index 5b35055..1cca360 100644
--- a/ffi/java/mcl_wrap.cxx
+++ b/ffi/java/mcl_wrap.cxx
@@ -820,6 +820,37 @@ SWIGEXPORT void JNICALL Java_com_herumi_mcl_MclJNI_Fr_1setLittleEndianMod(JNIEnv
 }
 
 
+SWIGEXPORT void JNICALL Java_com_herumi_mcl_MclJNI_Fr_1setHashOf(JNIEnv *jenv, jclass jcls, jlong jarg1, jobject jarg1_, jbyteArray jarg2) {
+  Fr *arg1 = (Fr *) 0 ;
+  char *arg2 = (char *) 0 ;
+  size_t arg3 ;
+  
+  (void)jenv;
+  (void)jcls;
+  (void)jarg1_;
+  arg1 = *(Fr **)&jarg1; 
+  {
+    if (jarg2) {
+      arg2 = (char *) jenv->GetByteArrayElements(jarg2, 0);
+      arg3 = (size_t) jenv->GetArrayLength(jarg2);
+    } else {
+      arg2 = 0;
+      arg3 = 0;
+    }
+  }
+  try {
+    (arg1)->setHashOf((char const *)arg2,arg3);
+  } catch(std::exception &_e) {
+    SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, (&_e)->what());
+    return ;
+  }
+  {
+    if (jarg2) jenv->ReleaseByteArrayElements(jarg2, (jbyte *)arg2, 0);
+  }
+  
+}
+
+
 SWIGEXPORT jbyteArray JNICALL Java_com_herumi_mcl_MclJNI_Fr_1serialize(JNIEnv *jenv, jclass jcls, jlong jarg1, jobject jarg1_) {
   jbyteArray jresult = 0 ;
   Fr *arg1 = (Fr *) 0 ;