diff --git a/nrf/Makefile b/nrf/Makefile
index 1b0a7c655b..d9ef89075f 100644
--- a/nrf/Makefile
+++ b/nrf/Makefile
@@ -124,6 +124,7 @@ SRC_HAL = $(addprefix hal/,\
 	hal_adce.c \
 	hal_temp.c \
 	hal_gpio.c \
+	hal_rng.c \
 	)
 
 ifeq ($(MCU_VARIANT), nrf52)
diff --git a/nrf/hal/hal_rng.c b/nrf/hal/hal_rng.c
new file mode 100644
index 0000000000..39b6f57896
--- /dev/null
+++ b/nrf/hal/hal_rng.c
@@ -0,0 +1,76 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Glenn Ruben Bakke
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "mphalport.h"
+#include "hal_rng.h"
+
+#ifdef HAL_RNG_MODULE_ENABLED
+
+#if BLUETOOTH_SD
+#include "py/nlr.h"
+#include "ble_drv.h"
+#include "nrf_soc.h"
+
+#define BLUETOOTH_STACK_ENABLED() (ble_drv_stack_enabled())
+
+#endif // BLUETOOTH_SD
+
+uint32_t hal_rng_generate(void) {
+
+    uint32_t retval = 0;
+
+#if BLUETOOTH_SD
+
+    if (BLUETOOTH_STACK_ENABLED() == 1) {
+        uint32_t status;
+        do {
+            status = sd_rand_application_vector_get((uint8_t *)&retval, 4); // Extract 4 bytes
+        } while (status != 0);
+    } else {
+#endif
+        uint8_t * p_retval = (uint8_t *)&retval;
+
+        NRF_RNG->EVENTS_VALRDY = 0;
+        NRF_RNG->TASKS_START   = 1;
+
+        for (uint16_t i = 0; i < 4; i++) {
+            while (NRF_RNG->EVENTS_VALRDY == 0) {
+                ;
+            }
+            NRF_RNG->EVENTS_VALRDY = 0;
+            p_retval[i] = NRF_RNG->VALUE;
+        }
+
+        NRF_RNG->TASKS_STOP = 1;
+#if BLUETOOTH_SD
+    }
+#endif
+
+    return retval;
+}
+
+#endif // HAL_RNG_MODULE_ENABLED
+
diff --git a/nrf/hal/hal_rng.h b/nrf/hal/hal_rng.h
new file mode 100644
index 0000000000..d09a26eb9e
--- /dev/null
+++ b/nrf/hal/hal_rng.h
@@ -0,0 +1,34 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Glenn Ruben Bakke
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef HAL_RNG_H__
+#define HAL_RNG_H__
+
+#include "nrf.h"
+
+uint32_t hal_rng_generate(void);
+
+#endif // HAL_RNG_H__