diff --git a/src/jniutils.cc b/src/jniutils.cc
index ea16935..9d0c094 100644
--- a/src/jniutils.cc
+++ b/src/jniutils.cc
@@ -275,6 +275,88 @@ namespace pEp {
             time_t t = (time_t) callLongMethod(env, date, "getTime");
             return new_timestamp(t);
         }
+
+        static void _setStringField(JNIEnv *env, const char *classname,
+                jobject obj, const char *name, const char *value)
+        {
+            if (value) {
+                jfieldID fieldID = getFieldID(env, classname, name, "[B");
+                env->SetObjectField(obj, fieldID,
+                        reinterpret_cast<jobject>(from_string(env, value)));
+            }
+        }
+
+        jobject from_identity(JNIEnv *env, pEp_identity *ident)
+        {
+            static const char *classname = "org/pEp/jniadapter/_Identity";
+            jclass clazz = findClass(env, classname);
+            jmethodID constructor = env->GetMethodID(clazz, "<init>", "()V");
+            assert(constructor);
+            jobject obj = env->NewObject(clazz, constructor);
+            
+            if (ident) {
+                _setStringField(env, classname, obj, "address", ident->address);
+                _setStringField(env, classname, obj, "fpr", ident->fpr);
+                _setStringField(env, classname, obj, "user_id", ident->user_id);
+                _setStringField(env, classname, obj, "username", ident->username);
+
+                jfieldID comm_type_id = getFieldID(env, classname, "comm_type", "I");
+                env->SetIntField(obj, comm_type_id, (jint) (int) ident->comm_type);
+
+                _setStringField(env, classname, obj, "lang", ident->lang);
+
+                jfieldID me_id = getFieldID(env, classname, "me", "Z");
+                env->SetBooleanField(obj, me_id, (jboolean) ident->me);
+            }
+
+            return obj;
+        }
+
+        char *_getStringField(JNIEnv *env, const char *classname, jobject obj,
+                const char *name)
+        {
+            jfieldID fieldID = getFieldID(env, classname, name, "[B");
+            jbyteArray field =
+                reinterpret_cast<jbyteArray>(env->GetObjectField(obj,
+                            fieldID));
+            return to_string(env, field);
+        }
+
+        pEp_identity *to_identity(JNIEnv *env, jobject obj)
+        {
+            static const char *classname = "org/pEp/jniadapter/_Identity";
+            pEp_identity *ident = new_identity(NULL, NULL, NULL, NULL);
+
+            ident->address = _getStringField(env, classname, obj, "address");
+            ident->fpr = _getStringField(env, classname, obj, "fpr");
+            ident->user_id = _getStringField(env, classname, obj, "user_id");
+            ident->username = _getStringField(env, classname, obj, "username");
+
+            jfieldID comm_type_id = getFieldID(env, classname, "comm_type", "I");
+            ident->comm_type = (PEP_comm_type) (int) env->GetIntField(obj, comm_type_id);
+
+            char *lang = _getStringField(env, classname, obj, "lang");
+            if (lang && lang[0]) {
+                ident->lang[0] = lang[0];
+                ident->lang[1] = lang[1];
+            }
+            free(lang);
+
+            jfieldID me_id = getFieldID(env, classname, "me", "Z");
+            ident->me = (bool) env->GetBooleanField(obj, me_id);
+
+            return ident;
+        }
+
+        jobject from_identitylist(JNIEnv *env, identity_list *il)
+        {
+
+        }
+
+        identity_list *to_identitylist(JNIEnv *env, jobject obj)
+        {
+
+        }
     };
 };
 
diff --git a/src/jniutils.hh b/src/jniutils.hh
index 929e5eb..6dca348 100644
--- a/src/jniutils.hh
+++ b/src/jniutils.hh
@@ -57,7 +57,7 @@ namespace pEp {
         timestamp *to_timestamp(JNIEnv *env, jobject date);
 
         jobject from_identity(JNIEnv *env, pEp_identity *ident);
-        pEp_identity *to_identity(JNIEnv *env, jobject ident);
+        pEp_identity *to_identity(JNIEnv *env, jobject obj);
 
         jobject from_identitylist(JNIEnv *env, identity_list *il);
         identity_list *to_identitylist(JNIEnv *env, jobject obj);
diff --git a/src/org/pEp/jniadapter/CommType.java b/src/org/pEp/jniadapter/CommType.java
index 8cb144e..d30302c 100644
--- a/src/org/pEp/jniadapter/CommType.java
+++ b/src/org/pEp/jniadapter/CommType.java
@@ -1,5 +1,7 @@
 package org.pEp.jniadapter;
 
+import java.util.HashMap;
+
 public enum CommType {
     PEP_ct_unknown (0),
 
@@ -58,10 +60,20 @@ public enum CommType {
     PEP_ct_confirmed_enc_anon (0xc0),           // generic
 	PEP_ct_pEp (0xff);
 
+    static class Management {
+        public static final HashMap<Integer, CommType> tag =
+                new HashMap<Integer, CommType>();
+    }
+
     public final int value;
 
     CommType(int value) {
         this.value = value;
+        fill(value);
+    }
+
+    private void fill(int value) {
+        Management.tag.put(value, this);
     }
 }
 
diff --git a/src/org/pEp/jniadapter/Identity.java b/src/org/pEp/jniadapter/Identity.java
index bfcbd3e..40e8183 100644
--- a/src/org/pEp/jniadapter/Identity.java
+++ b/src/org/pEp/jniadapter/Identity.java
@@ -22,7 +22,7 @@ public class Identity {
         fpr = AbstractEngine.toUTF16(i.address);
         user_id = AbstractEngine.toUTF16(i.address);
         username = AbstractEngine.toUTF16(i.address);
-        comm_type = i.comm_type;
+        comm_type = CommType.Management.tag.get(i.comm_type);
         lang = AbstractEngine.toUTF16(i.address);
         me = i.me;
     }
diff --git a/src/org/pEp/jniadapter/Pair.java b/src/org/pEp/jniadapter/Pair.java
index 421475d..625bcfe 100644
--- a/src/org/pEp/jniadapter/Pair.java
+++ b/src/org/pEp/jniadapter/Pair.java
@@ -4,9 +4,9 @@ public class Pair<F, S> {
     public F first;
     public S second;
 
-    Pair<F, S>() { }
+    Pair() { }
 
-    Pair<F, S>(F f, S s) {
+    Pair(F f, S s) {
         first = f;
         second = s;
     }
diff --git a/src/org/pEp/jniadapter/_Identity.java b/src/org/pEp/jniadapter/_Identity.java
index 9f2074c..980c77d 100644
--- a/src/org/pEp/jniadapter/_Identity.java
+++ b/src/org/pEp/jniadapter/_Identity.java
@@ -5,7 +5,7 @@ public class _Identity {
     public byte[] fpr;
     public byte[] user_id;
     public byte[] username;
-    CommType comm_type;
+    int comm_type;
     public byte[] lang;
     public boolean me;
 
@@ -22,7 +22,7 @@ public class _Identity {
         fpr = AbstractEngine.toUTF8(i.address);
         user_id = AbstractEngine.toUTF8(i.address);
         username = AbstractEngine.toUTF8(i.address);
-        comm_type = i.comm_type;
+        comm_type = i.comm_type.value;
         lang = AbstractEngine.toUTF8(i.address);
         me = i.me;
     }