diff --git a/src/foundation_pEp_jniadapter__Blob.cc b/src/foundation_pEp_jniadapter__Blob.cc
new file mode 100644
index 0000000..f2094b8
--- /dev/null
+++ b/src/foundation_pEp_jniadapter__Blob.cc
@@ -0,0 +1,61 @@
+#include <pEp/bloblist.h>
+#include <pEp/sync_codec.h>
+#include <pEp/distribution_codec.h>
+#include <iostream>
+
+#include "jniutils.hh"
+#include "throw_pEp_exception.hh"
+#include "foundation_pEp_jniadapter__Blob.h"
+
+namespace pEp {
+    namespace JNIAdapter {
+        static ::bloblist_t *bloblist_ptr(JNIEnv *env, jobject me) {
+            jfieldID handle;
+
+            try {
+                handle = getFieldID(env, "foundation/pEp/jniadapter/Blob", "mime_type", "Ljava/lang/String");
+            }
+            catch (std::exception& ex) {
+                assert(0);
+                return NULL;
+            }
+
+            return (::bloblist_t *) (intptr_t) (int64_t) env->GetLongField(me, handle);
+        }
+    };
+};
+
+extern "C" {
+
+using namespace std;
+using namespace pEp::JNIAdapter;
+JNIEXPORT jbyteArray JNICALL Java_foundation_pEp_jniadapter__1Blob__1toString
+  (JNIEnv *env, jobject obj)
+{
+    bloblist_t *b = to_blob(env, obj);
+    char *out = nullptr;
+
+    if(strcasecmp(b->mime_type, "application/pEp.sync") == 0) {
+        PEP_STATUS status = ::PER_to_XER_Sync_msg(b->value, (size_t) b->size, &out);
+        if (status)
+            throw_pEp_Exception(env, status);
+
+        jbyteArray result = from_string(env, out);
+        free(out);
+        return result;
+    }
+
+    if(strcasecmp(b->mime_type, "application/pEp.keyreset") == 0) {
+        PEP_STATUS status = ::PER_to_XER_Distribution_msg(b->value, (size_t) b->size, &out);
+        if (status)
+            throw_pEp_Exception(env, status);
+
+        jbyteArray result = from_string(env, out);
+        free(out);
+        return result;
+    }
+
+    return from_string(env,b->value);
+}
+
+}; // extern "C"