diff --git a/test/mesh/CMakeLists.txt b/test/mesh/CMakeLists.txt
index 1b2da444e..40edf68ac 100644
--- a/test/mesh/CMakeLists.txt
+++ b/test/mesh/CMakeLists.txt
@@ -27,7 +27,7 @@ file(GLOB SOURCES_LIBUSB    "../../platform/libusb/*.c")
 file(GLOB SOURCES_OFF "../../src/ble/le_device_db_memory.c" "../../src/ble/le_device_db_tlv.c")
 list(REMOVE_ITEM SOURCES_BLE ${SOURCES_OFF})
 
-set(SOURCES_MESH_NEW main.c mesh_transport.c provisioner.c provisioning.c provisioning_device.c provisioning_provisioner.c)
+set(SOURCES_MESH_NEW main.c mesh_transport.c mesh_peer.c provisioner.c provisioning.c provisioning_device.c provisioning_provisioner.c)
 
 set(SOURCES 
 	${SOURCES_POSIX}
diff --git a/test/mesh/Makefile b/test/mesh/Makefile
index 1b0cac230..f2ca68407 100644
--- a/test/mesh/Makefile
+++ b/test/mesh/Makefile
@@ -46,13 +46,13 @@ LDFLAGS += $(shell pkg-config libusb-1.0 --libs)
 LDFLAGS += -lCppUTest -lCppUTestExt
 
 
-mesh: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} ${SM_OBJ} pb_adv.o pb_gatt.o mesh_proxy_service_server.o mesh_provisioning_service_server.o mesh_crypto.o provisioning_device.o mesh_network.o mesh_transport.o mesh.o
+mesh: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} ${SM_OBJ} pb_adv.o pb_gatt.o mesh_proxy_service_server.o mesh_provisioning_service_server.o mesh_crypto.o provisioning_device.o mesh_network.o mesh_peer.o mesh_transport.o mesh.o
 	${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
 
 provisioner: ${CORE_OBJ} ${COMMON_OBJ} ${SM_OBJ} pb_adv.o mesh_crypto.o provisioning_provisioner.o provisioner.o
 	${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
 
-mesh_message_test: mesh_message_test.c mesh_network.o mesh_transport.o mesh_crypto.o btstack_memory.o btstack_util.o btstack_crypto.o btstack_linked_list.o hci_dump.o uECC.o mock.o rijndael.o hci_cmd.o
+mesh_message_test: mesh_message_test.c mesh_network.o mesh_peer.o mesh_transport.o mesh_crypto.o btstack_memory.o btstack_util.o btstack_crypto.o btstack_linked_list.o hci_dump.o uECC.o mock.o rijndael.o hci_cmd.o
 	g++ $^ ${CFLAGS} ${LDFLAGS} -o $@
 
 sniffer: ${CORE_OBJ} ${COMMON_OBJ} ${SM_OBJ} sniffer.c 
@@ -73,7 +73,7 @@ mesh_provisioning_device: mesh_provisioning_device.h ${CORE_OBJ} ${COMMON_OBJ} $
 mesh_proxy_server.h: mesh_proxy_server.gatt
 	python ${BTSTACK_ROOT}/tool/compile_gatt.py $< $@ 
 	
-mesh_proxy_server: mesh_proxy_server.h ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} ${SM_OBJ} mesh_transport.o mesh_network.o mesh_crypto.o gatt_bearer.c mesh_proxy_service_server.o mesh_proxy_server.o
+mesh_proxy_server: mesh_proxy_server.h ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} ${SM_OBJ} mesh_peer.o mesh_transport.o mesh_network.o mesh_crypto.o gatt_bearer.c mesh_proxy_service_server.o mesh_proxy_server.o
 	${CC} $(filter-out mesh_proxy_server.h,$^) ${CFLAGS} ${LDFLAGS} -o $@
 
 EXAMPLES = mesh provisioner mesh_message_test sniffer provisioning_device_test provisioning_provisioner_test mesh_provisioning_device mesh_proxy_server
diff --git a/test/mesh/mesh_peer.c b/test/mesh/mesh_peer.c
new file mode 100644
index 000000000..a4315317f
--- /dev/null
+++ b/test/mesh/mesh_peer.c
@@ -0,0 +1,40 @@
+//
+// Created by Matthias Ringwald on 2019-04-03.
+//
+
+#include "btstack_memory.h"
+#include "btstack_util.h"
+#include "mesh_transport.h"
+#include "ble/mesh/beacon.h"
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "mesh_peer.h"
+
+#define MESH_NUM_PEERS 5
+
+static mesh_peer_t mesh_peers[MESH_NUM_PEERS];
+
+void mesh_seq_auth_reset(void){
+    int i;
+    for(i=0;i<MESH_NUM_PEERS;i++){
+        memset(&mesh_peers[i], 0, sizeof(mesh_peer_t));
+    }
+}
+
+mesh_peer_t * mesh_peer_for_addr(uint16_t address){
+    int i;
+    for (i=0;i<MESH_NUM_PEERS;i++){
+        if (mesh_peers[i].address == address){
+            return &mesh_peers[i];
+        }
+    }
+    for (i=0;i<MESH_NUM_PEERS;i++){
+        if (mesh_peers[i].address== MESH_ADDRESS_UNSASSIGNED){
+            memset(&mesh_peers[i], 0, sizeof(mesh_peer_t));
+            mesh_peers[i].address = address;
+            return &mesh_peers[i];
+        }
+    }
+    return NULL;
+}
diff --git a/test/mesh/mesh_peer.h b/test/mesh/mesh_peer.h
new file mode 100644
index 000000000..861160db7
--- /dev/null
+++ b/test/mesh/mesh_peer.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2018 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
+ * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+#ifndef __MESH_PEER_H
+#define __MESH_PEER_H
+
+#include "ble/mesh/mesh_network.h"
+
+// mesh seq auth validation
+typedef struct {
+    // primary element address
+    uint16_t address;
+    // next expected seq number
+    uint32_t seq;
+
+    // segmented transport message
+    mesh_transport_pdu_t * transport_pdu;
+    // seq_zero
+    uint16_t seq_zero;
+    // block ack
+    uint32_t block_ack;
+} mesh_peer_t;
+
+// get peer info for address
+mesh_peer_t * mesh_peer_for_addr(uint16_t address);
+
+// reset seq auth == replay protection
+void mesh_seq_auth_reset();
+
+#endif //__MESH_PEER_H
diff --git a/test/mesh/mesh_transport.c b/test/mesh/mesh_transport.c
index da9766f67..ed84df2bc 100644
--- a/test/mesh/mesh_transport.c
+++ b/test/mesh/mesh_transport.c
@@ -44,6 +44,7 @@
 #include "mesh_transport.h"
 #include "btstack_util.h"
 #include "btstack_memory.h"
+#include "mesh_peer.h"
 
 static uint16_t primary_element_address;
 
@@ -192,49 +193,6 @@ static uint8_t mesh_network_send(uint16_t netkey_index, uint8_t ctl, uint8_t ttl
     return 0;
 }
 
-// mesh seq auth validation
-typedef struct {
-    // primary element address
-    uint16_t address;
-    // next expected seq number
-    uint32_t seq;
-
-    // segmented transport message
-    mesh_transport_pdu_t * transport_pdu;
-    // seq_zero
-    uint16_t seq_zero;
-    // block ack
-    uint32_t block_ack;
-
-} mesh_peer_t;
-
-#define MESH_NUM_PEERS 5
-static mesh_peer_t mesh_peers[MESH_NUM_PEERS];
-
-static mesh_peer_t * mesh_peer_for_addr(uint16_t address){
-    int i;
-    for (i=0;i<MESH_NUM_PEERS;i++){
-        if (mesh_peers[i].address == address){
-            return &mesh_peers[i];
-        }
-    }
-    for (i=0;i<MESH_NUM_PEERS;i++){
-        if (mesh_peers[i].address== MESH_ADDRESS_UNSASSIGNED){
-            memset(&mesh_peers[i], 0, sizeof(mesh_peer_t));
-            mesh_peers[i].address = address;
-            return &mesh_peers[i];
-        }
-    }
-    return NULL;
-}
-
-void mesh_seq_auth_reset(void){
-    int i;
-    for(i=0;i<MESH_NUM_PEERS;i++){
-        memset(&mesh_peers[i], 0, sizeof(mesh_peer_t));
-    }
-}
-
 // stub lower transport
 
 static void mesh_lower_transport_run(void);