diff --git a/examples/llsec/ccm-tests/encryption/Makefile b/examples/llsec/ccm-tests/encryption/Makefile
new file mode 100644
index 000000000..0fd359f16
--- /dev/null
+++ b/examples/llsec/ccm-tests/encryption/Makefile
@@ -0,0 +1,14 @@
+CONTIKI_PROJECT = tests
+all: $(CONTIKI_PROJECT)
+
+CONTIKI = ../../../..
+CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
+
+WITH_UIP6=1
+UIP_CONF_IPV6=1
+CFLAGS+= -DUIP_CONF_IPV6_RPL
+
+#linker optimizations
+SMALL=1
+
+include $(CONTIKI)/Makefile.include
diff --git a/examples/llsec/ccm-tests/encryption/project-conf.h b/examples/llsec/ccm-tests/encryption/project-conf.h
new file mode 100644
index 000000000..613619373
--- /dev/null
+++ b/examples/llsec/ccm-tests/encryption/project-conf.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2013, Hasso-Plattner-Institut.
+ * All rights reserved.
+ *
+ * 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 Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 THE INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ */
+
+/**
+ * \file
+ *         Testing CTR
+ * \author
+ *         Konrad Krentz <konrad.krentz@gmail.com>
+ */
+
+#define LLSEC802154_CONF_SECURITY_LEVEL 6
diff --git a/examples/llsec/ccm-tests/encryption/tests.c b/examples/llsec/ccm-tests/encryption/tests.c
new file mode 100644
index 000000000..6c9ca295f
--- /dev/null
+++ b/examples/llsec/ccm-tests/encryption/tests.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2013, Hasso-Plattner-Institut.
+ * All rights reserved.
+ *
+ * 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 Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 THE INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ */
+
+/**
+ * \file
+ *         Testing CTR
+ * \author
+ *         Konrad Krentz <konrad.krentz@gmail.com>
+ */
+
+#include "contiki.h"
+#include "net/packetbuf.h"
+#include "net/netstack.h"
+#include "net/llsec/llsec802154.h"
+#include "net/llsec/ccm.h"
+#include "net/mac/frame802154.h"
+#include "lib/aes-128.h"
+#include <stdio.h>
+#include <string.h>
+
+/*---------------------------------------------------------------------------*/
+/* Test vector C.2.1.2 from IEEE 802.15.4-2006 */
+static void
+test_sec_lvl_6()
+{
+  uint8_t key[16] = { 0xC0 , 0xC1 , 0xC2 , 0xC3 ,
+                      0xC4 , 0xC5 , 0xC6 , 0xC7 ,
+                      0xC8 , 0xC9 , 0xCA , 0xCB ,
+                      0xCC , 0xCD , 0xCE , 0xCF };
+  uint8_t extended_source_address[8] = { 0xAC , 0xDE , 0x48 , 0x00 ,
+                                         0x00 , 0x00 , 0x00 , 0x01 };
+  uint8_t data[30] = { 0x2B , 0xDC , 0x84 , 0x21 , 0x43 ,
+                       /* Destination Address */
+                       0x02 , 0x00 , 0x00 , 0x00 , 0x00 , 0x48 , 0xDE , 0xAC ,
+                       /* PAN-ID */
+                       0xFF , 0xFF ,
+                       /* Source Address */
+                       0x01 , 0x00 , 0x00 , 0x00 , 0x00 , 0x48 , 0xDE , 0xAC ,
+                       /* Security Level */
+                       0x06 ,
+                       /* Frame Counter */
+                       0x05 , 0x00 , 0x00 , 0x00 ,
+                       0x01 , 0xCE };
+  uint8_t oracle[LLSEC802154_MIC_LENGTH] = { 0x4F , 0xDE , 0x52 , 0x90 ,
+                                             0x61 , 0xF9 , 0xC6 , 0xF1 };
+  frame802154_frame_counter_t counter;
+  uint8_t mic[LLSEC802154_MIC_LENGTH];
+  
+  printf("Testing verification ... ");
+  
+  packetbuf_clear();
+  packetbuf_set_datalen(30);
+  memcpy(packetbuf_hdrptr(), data, 30);
+  counter.u32 = 5;
+  packetbuf_set_attr(PACKETBUF_ATTR_FRAME_COUNTER_BYTES_0_1, counter.u16[0]);
+  packetbuf_set_attr(PACKETBUF_ATTR_FRAME_COUNTER_BYTES_2_3, counter.u16[1]);
+  packetbuf_set_attr(PACKETBUF_ATTR_SECURITY_LEVEL, LLSEC802154_SECURITY_LEVEL);
+  packetbuf_hdrreduce(29);
+  
+  AES_128.set_key(key);
+  CCM.mic(extended_source_address, mic, LLSEC802154_MIC_LENGTH);
+  
+  if(memcmp(mic, oracle, LLSEC802154_MIC_LENGTH) == 0) {
+    printf("Success\n");
+  } else {
+    printf("Failure\n");
+  }
+  
+  printf("Testing encryption ... ");
+  
+  CCM.ctr(extended_source_address);
+  if(((uint8_t *) packetbuf_hdrptr())[29] == 0xD8) {
+    printf("Success\n");
+  } else {
+    printf("Failure\n");
+  }
+  
+  printf("Testing decryption ... ");
+  CCM.ctr(extended_source_address);
+  if(((uint8_t *) packetbuf_hdrptr())[29] == 0xCE) {
+    printf("Success\n");
+  } else {
+    printf("Failure\n");
+  }
+}
+/*---------------------------------------------------------------------------*/
+PROCESS(ccm_encryption_tests_process, "CCM* encryption tests process");
+AUTOSTART_PROCESSES(&ccm_encryption_tests_process);
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(ccm_encryption_tests_process, ev, data)
+{
+  PROCESS_BEGIN();
+  
+  test_sec_lvl_6();
+  
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/