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-rw-r--r--projects/hsm/Makefile9
-rw-r--r--projects/hsm/mgmt-cli.c4
-rw-r--r--projects/hsm/mgmt-keystore.c286
-rw-r--r--projects/hsm/mgmt-keystore.h43
-rw-r--r--projects/hsm/mgmt-masterkey.c194
-rw-r--r--projects/hsm/mgmt-masterkey.h43
6 files changed, 578 insertions, 1 deletions
diff --git a/projects/hsm/Makefile b/projects/hsm/Makefile
index 55e021f..a5bd30a 100644
--- a/projects/hsm/Makefile
+++ b/projects/hsm/Makefile
@@ -1,7 +1,14 @@
PROJ = hsm
# objs in addition to $(PROJ).o
-OBJS = crc32.o mgmt-cli.o mgmt-dfu.c mgmt-fpga.c mgmt-misc.c mgmt-show.c
+OBJS = crc32.o \
+ mgmt-cli.o \
+ mgmt-dfu.c \
+ mgmt-fpga.c \
+ mgmt-keystore.c \
+ mgmt-masterkey.c \
+ mgmt-misc.c \
+ mgmt-show.c
BOARD_OBJS = \
$(TOPLEVEL)/stm-init.o \
diff --git a/projects/hsm/mgmt-cli.c b/projects/hsm/mgmt-cli.c
index bef530e..2606e21 100644
--- a/projects/hsm/mgmt-cli.c
+++ b/projects/hsm/mgmt-cli.c
@@ -43,6 +43,8 @@
#include "mgmt-fpga.h"
#include "mgmt-misc.h"
#include "mgmt-show.h"
+#include "mgmt-keystore.h"
+#include "mgmt-masterkey.h"
/* MGMT UART interrupt receive buffer (data will be put in a larger ring buffer) */
volatile uint8_t uart_rx;
@@ -202,6 +204,8 @@ int cli_main(void)
configure_cli_fpga(&cli);
configure_cli_misc(&cli);
configure_cli_dfu(&cli);
+ configure_cli_keystore(&cli);
+ configure_cli_masterkey(&cli);
while (1) {
embedded_cli_loop(&cli);
diff --git a/projects/hsm/mgmt-keystore.c b/projects/hsm/mgmt-keystore.c
new file mode 100644
index 0000000..14d8e1b
--- /dev/null
+++ b/projects/hsm/mgmt-keystore.c
@@ -0,0 +1,286 @@
+/*
+ * mgmt-keystore.c
+ * ---------------
+ * CLI 'keystore' commands.
+ *
+ * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the NORDUnet 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 COPYRIGHT HOLDERS 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 COPYRIGHT
+ * HOLDER 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.
+ */
+
+#define HAL_OK CMSIS_HAL_OK
+
+#include "stm-init.h"
+#include "stm-keystore.h"
+#include "stm-fpgacfg.h"
+#include "stm-uart.h"
+
+#include "mgmt-cli.h"
+#include "mgmt-show.h"
+
+/* Rename both CMSIS HAL_OK and libhal HAL_OK to disambiguate */
+#undef HAL_OK
+#define LIBHAL_OK HAL_OK
+#include "hal.h"
+#define HAL_STATIC_PKEY_STATE_BLOCKS 6
+#include "hal_internal.h"
+#undef HAL_OK
+
+#include <string.h>
+
+
+int cmd_keystore_set_pin(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ const hal_ks_keydb_t *db;
+ hal_user_t user;
+ hal_ks_pin_t pin;
+ hal_error_t status;
+
+ db = hal_ks_get_keydb();
+
+ if (db == NULL) {
+ cli_print(cli, "Could not get a keydb from libhal");
+ return CLI_OK;
+ }
+
+ if (argc != 3) {
+ cli_print(cli, "Wrong number of arguments (%i).", argc);
+ cli_print(cli, "Syntax: keystore set pin <user|so|wheel> <iterations> <pin>");
+ return CLI_ERROR;
+ }
+
+ user = HAL_USER_NONE;
+ if (strcmp(argv[0], "user") == 0) user = HAL_USER_NORMAL;
+ if (strcmp(argv[0], "so") == 0) user = HAL_USER_SO;
+ if (strcmp(argv[0], "wheel") == 0) user = HAL_USER_WHEEL;
+ if (user == HAL_USER_NONE) {
+ cli_print(cli, "First argument must be 'user', 'so' or 'wheel' - not '%s'", argv[0]);
+ return CLI_ERROR;
+ }
+
+ pin.iterations = strtol(argv[1], NULL, 0);
+
+ /* We don't actually PBKDF2 the given PIN yet, just testing */
+ strncpy((char *) pin.pin, argv[2], sizeof(pin.pin));
+
+ if ((status = hal_ks_set_pin(user, &pin)) != LIBHAL_OK) {
+ cli_print(cli, "Failed setting PIN: %s", hal_error_string(status));
+ return CLI_ERROR;
+ }
+
+ return CLI_OK;
+}
+
+int cmd_keystore_set_key(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ hal_error_t status;
+ int hint = 0;
+
+ if (argc != 2) {
+ cli_print(cli, "Wrong number of arguments (%i).", argc);
+ cli_print(cli, "Syntax: keystore set key <name> <der>");
+ return CLI_ERROR;
+ }
+
+ if ((status = hal_ks_store(HAL_KEY_TYPE_EC_PUBLIC,
+ HAL_CURVE_NONE,
+ 0,
+ (uint8_t *) argv[0], strlen(argv[0]),
+ (uint8_t *) argv[1], strlen(argv[1]),
+ &hint)) != LIBHAL_OK) {
+
+ cli_print(cli, "Failed storing key: %s", hal_error_string(status));
+ return CLI_ERROR;
+ }
+
+ cli_print(cli, "Stored key %i", hint);
+
+ return CLI_OK;
+}
+
+int cmd_keystore_delete_key(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ hal_error_t status;
+ int hint = 0;
+
+ if (argc != 1) {
+ cli_print(cli, "Wrong number of arguments (%i).", argc);
+ cli_print(cli, "Syntax: keystore delete key <name>");
+ return CLI_ERROR;
+ }
+
+ if ((status = hal_ks_delete(HAL_KEY_TYPE_EC_PUBLIC,
+ (uint8_t *) argv[0], strlen(argv[0]),
+ &hint)) != LIBHAL_OK) {
+
+ cli_print(cli, "Failed deleting key: %s", hal_error_string(status));
+ return CLI_ERROR;
+ }
+
+ cli_print(cli, "Deleted key %i", hint);
+
+ return CLI_OK;
+}
+
+int cmd_keystore_rename_key(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ hal_error_t status;
+ int hint = 0;
+
+ if (argc != 2) {
+ cli_print(cli, "Wrong number of arguments (%i).", argc);
+ cli_print(cli, "Syntax: keystore rename key <name> <new name>");
+ return CLI_ERROR;
+ }
+
+ if ((status = hal_ks_rename(HAL_KEY_TYPE_EC_PUBLIC,
+ (uint8_t *) argv[0], strlen(argv[0]),
+ (uint8_t *) argv[1], strlen(argv[1]),
+ &hint)) != LIBHAL_OK) {
+
+ cli_print(cli, "Failed renaming key: %s", hal_error_string(status));
+ return CLI_ERROR;
+ }
+
+ cli_print(cli, "Renamed key %i", hint);
+
+ return CLI_OK;
+}
+
+int cmd_keystore_show_data(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ uint8_t buf[KEYSTORE_PAGE_SIZE];
+ uint32_t i;
+
+ if (keystore_check_id() != 1) {
+ cli_print(cli, "ERROR: The keystore memory is not accessible.");
+ }
+
+ memset(buf, 0, sizeof(buf));
+ if ((i = keystore_read_data(0, buf, sizeof(buf))) != 1) {
+ cli_print(cli, "Failed reading first page from keystore memory: %li", i);
+ return CLI_ERROR;
+ }
+
+ cli_print(cli, "First page from keystore memory:\r\n");
+ uart_send_hexdump(STM_UART_MGMT, buf, 0, sizeof(buf) - 1);
+ uart_send_string2(STM_UART_MGMT, (char *) "\r\n\r\n");
+
+ for (i = 0; i < 8; i++) {
+ if (buf[i] == 0xff) break; /* never written */
+ if (buf[i] != 0x55) break; /* something other than a tombstone */
+ }
+ /* As a demo, tombstone byte after byte of the first 8 bytes in the keystore memory
+ * (as long as they do not appear to contain real data).
+ * If all of them are tombstones, erase the first sector to start over.
+ */
+
+ /*
+ if (i < 8) {
+ if (buf[i] == 0xff) {
+ cli_print(cli, "Tombstoning byte %li", i);
+ buf[i] = 0x55;
+ if ((i = keystore_write_data(0, buf, sizeof(buf))) != 1) {
+ cli_print(cli, "Failed writing data at offset 0: %li", i);
+ return CLI_ERROR;
+ }
+ }
+ } else {
+ cli_print(cli, "Erasing first sector since all the first 8 bytes are tombstones");
+ if ((i = keystore_erase_sectors(1, 1)) != 1) {
+ cli_print(cli, "Failed erasing the first sector: %li", i);
+ return CLI_ERROR;
+ }
+ cli_print(cli, "Erase result: %li", i);
+ }
+ */
+
+ return CLI_OK;
+}
+
+int cmd_keystore_show_keys(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ const hal_ks_keydb_t *db;
+
+ db = hal_ks_get_keydb();
+
+ if (db == NULL) {
+ cli_print(cli, "Could not get a keydb from libhal");
+ return CLI_OK;
+ }
+
+ cli_print(cli, "Sizeof db->keys is %i, sizeof one key is %i\n", sizeof(db->keys), sizeof(*db->keys));
+
+ for (int i = 0; i < sizeof(db->keys)/sizeof(*db->keys); i++) {
+ if (! db->keys[i].in_use) {
+ cli_print(cli, "Key %i, not in use", i);
+ } else {
+ cli_print(cli, "Key %i, in use 0x%x, name '%s' der '%s'",
+ i, db->keys[i].in_use, db->keys[i].name, db->keys[i].der);
+ }
+ }
+
+ cli_print(cli, "\nPins:");
+ cli_print(cli, "Wheel iterations: 0x%lx", db->wheel_pin.iterations);
+ cli_print(cli, "SO iterations: 0x%lx", db->so_pin.iterations);
+ cli_print(cli, "User iterations: 0x%lx", db->user_pin.iterations);
+ cli_print(cli, "\n");
+
+ return CLI_OK;
+}
+
+void configure_cli_keystore(struct cli_def *cli)
+{
+ /* keystore */
+ cli_command_root(keystore);
+ /* keystore set */
+ cli_command_branch(keystore, set);
+ /* keystore delete */
+ cli_command_branch(keystore, delete);
+ /* keystore rename */
+ cli_command_branch(keystore, rename);
+ /* keystore show */
+ cli_command_branch(keystore, show);
+
+ /* keystore set pin */
+ cli_command_node(keystore_set, pin, "Set either 'wheel', 'user' or 'so' PIN");
+
+ /* keystore set key */
+ cli_command_node(keystore_set, key, "Set a key");
+
+ /* keystore delete key */
+ cli_command_node(keystore_delete, key, "Delete a key");
+
+ /* keystore rename key */
+ cli_command_node(keystore_rename, key, "Rename a key");
+
+ /* keystore show data */
+ cli_command_node(keystore_show, data, "Dump the first page from the keystore memory");
+
+ /* keystore show keys */
+ cli_command_node(keystore_show, keys, "Show what PINs and keys are in the keystore");
+}
diff --git a/projects/hsm/mgmt-keystore.h b/projects/hsm/mgmt-keystore.h
new file mode 100644
index 0000000..62efa51
--- /dev/null
+++ b/projects/hsm/mgmt-keystore.h
@@ -0,0 +1,43 @@
+/*
+ * mgmt-keystore.h
+ * ----------
+ * Management CLI 'keystore' functions.
+ *
+ * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the NORDUnet 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 COPYRIGHT HOLDERS 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 COPYRIGHT
+ * HOLDER 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.
+ */
+
+#ifndef __STM32_CLI_MGMT_KEYSTORE_H
+#define __STM32_CLI_MGMT_KEYSTORE_H
+
+#include "stm-init.h"
+#include <libcli.h>
+
+extern void configure_cli_keystore(struct cli_def *cli);
+
+#endif /* __STM32_CLI_MGMT_KEYSTORE_H */
diff --git a/projects/hsm/mgmt-masterkey.c b/projects/hsm/mgmt-masterkey.c
new file mode 100644
index 0000000..7cea62d
--- /dev/null
+++ b/projects/hsm/mgmt-masterkey.c
@@ -0,0 +1,194 @@
+/*
+ * mgmt-masterkey.c
+ * ----------------
+ * Masterkey CLI functions.
+ *
+ * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the NORDUnet 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 COPYRIGHT HOLDERS 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 COPYRIGHT
+ * HOLDER 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.
+ */
+
+#include "stm-init.h"
+#include "stm-uart.h"
+#include "mgmt-cli.h"
+#include "mgmt-masterkey.h"
+#include "masterkey.h"
+
+#include <stdlib.h>
+
+#define KEK_LENGTH (256 / 8)
+
+static char * _status2str(masterkey_status_t status)
+{
+ switch (status) {
+ case HSM_MASTERKEY_SET:
+ return (char *) "Set";
+ case HSM_MASTERKEY_NOT_SET:
+ return (char *) "Not set";
+ default:
+ return (char *) "Unknown";
+ }
+}
+
+static int _parse_hex_groups(uint8_t *buf, size_t len, char *argv[], int argc)
+{
+ int i;
+ uint32_t *dst = (uint32_t *) buf;
+ uint32_t *end = (uint32_t *) buf + len - 1;
+ char *err_ptr = NULL;
+
+ if (! argc) return 0;
+
+ for (i = 0; i < argc; i++) {
+ if (dst >= end) return -1;
+ *dst++ = strtol(argv[i], &err_ptr, 16);
+ if (*err_ptr) return -2;
+ }
+
+ return 1;
+}
+
+static int cmd_masterkey_status(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ masterkey_status_t status;
+ uint8_t buf[KEK_LENGTH] = {0};
+
+ cli_print(cli, "Status of master key:\n");
+
+ status = masterkey_volatile_read(NULL, 0);
+ cli_print(cli, " volatile: %s", _status2str(status));
+
+ status = masterkey_flash_read(NULL, 0);
+ cli_print(cli, " flash: %s", _status2str(status));
+
+ /* XXX Temporary gaping security hole while developing the master key functionality.
+ * REMOVE READ-OUT OF MASTER KEY.
+ */
+
+ status = masterkey_volatile_read(&buf[0], sizeof(buf));
+ if (status != HSM_MASTERKEY_FAIL) {
+ cli_print(cli, "\nVolatile read-out:\n");
+ uart_send_hexdump(STM_UART_MGMT, buf, 0, sizeof(buf) - 1);
+ cli_print(cli, "\n");
+ } else {
+ cli_print(cli, "Failed reading from flash");
+ }
+
+ status = masterkey_flash_read(&buf[0], sizeof(buf));
+ if (status != HSM_MASTERKEY_FAIL) {
+ cli_print(cli, "\nFlash read-out:\n");
+ uart_send_hexdump(STM_UART_MGMT, buf, 0, sizeof(buf) - 1);
+ cli_print(cli, "\n");
+ } else {
+ cli_print(cli, "Failed reading from flash");
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_masterkey_set(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ uint8_t buf[KEK_LENGTH] = {0};
+ int i;
+
+ if ((i = _parse_hex_groups(&buf[0], sizeof(buf), argv, argc)) != 1) {
+ cli_print(cli, "Failed parsing master key (%i)", i);
+ return CLI_OK;
+ }
+
+ cli_print(cli, "Parsed key:\n");
+ uart_send_hexdump(STM_UART_MGMT, buf, 0, sizeof(buf) - 1);
+ cli_print(cli, "\n");
+
+ if (masterkey_volatile_write(buf, sizeof(buf)) == HSM_MASTERKEY_OK) {
+ cli_print(cli, "Master key set in volatile memory");
+ } else {
+ cli_print(cli, "Failed writing key to volatile memory");
+ }
+ return CLI_OK;
+}
+
+static int cmd_masterkey_erase(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ if (masterkey_volatile_erase(KEK_LENGTH) == HSM_MASTERKEY_OK) {
+ cli_print(cli, "Erased master key from volatile memory");
+ } else {
+ cli_print(cli, "Failed erasing master key from volatile memory");
+ }
+ return CLI_OK;
+}
+
+static int cmd_masterkey_unsecure_set(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ uint8_t buf[KEK_LENGTH] = {0};
+ int i;
+
+ if ((i = _parse_hex_groups(&buf[0], sizeof(buf), argv, argc)) != 1) {
+ cli_print(cli, "Failed parsing master key (%i)", i);
+ return CLI_OK;
+ }
+
+ cli_print(cli, "Parsed key:\n");
+ uart_send_hexdump(STM_UART_MGMT, buf, 0, sizeof(buf) - 1);
+ cli_print(cli, "\n");
+
+ if (masterkey_flash_write(buf, sizeof(buf)) == HSM_MASTERKEY_OK) {
+ cli_print(cli, "Master key set in unsecure flash memory");
+ } else {
+ cli_print(cli, "Failed writing key to unsecure flash memory");
+ }
+ return CLI_OK;
+}
+
+static int cmd_masterkey_unsecure_erase(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ if (masterkey_flash_erase(KEK_LENGTH) == HSM_MASTERKEY_OK) {
+ cli_print(cli, "Erased unsecure master key from flash");
+ } else {
+ cli_print(cli, "Failed erasing unsecure master key from flash");
+ }
+ return CLI_OK;
+}
+
+void configure_cli_masterkey(struct cli_def *cli)
+{
+ /* masterkey */
+ cli_command_root(masterkey);
+ /* masterkey status */
+ cli_command_node(masterkey, status, "Show status of master key in RAM/flash");
+
+ /* masterkey set */
+ cli_command_node(masterkey, set, "Set the master key in the volatile Master Key Memory");
+ /* masterkey erase */
+ cli_command_node(masterkey, erase, "Erase the master key from the volatile Master Key Memory");
+
+ cli_command_branch(masterkey, unsecure);
+ /* masterkey unsecure set */
+ cli_command_node(masterkey_unsecure, set, "Set master key in unprotected flash memory (if unsure, DON'T)");
+ /* masterkey unsecure erase */
+ cli_command_node(masterkey_unsecure, erase, "Erase master key from unprotected flash memory");
+}
diff --git a/projects/hsm/mgmt-masterkey.h b/projects/hsm/mgmt-masterkey.h
new file mode 100644
index 0000000..5d2624a
--- /dev/null
+++ b/projects/hsm/mgmt-masterkey.h
@@ -0,0 +1,43 @@
+/*
+ * mgmt-masterkey.h
+ * -----------
+ * Management CLI masterkeyellaneous functions.
+ *
+ * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the NORDUnet 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 COPYRIGHT HOLDERS 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 COPYRIGHT
+ * HOLDER 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.
+ */
+
+#ifndef __STM32_CLI_MGMT_MASTERKEY_H
+#define __STM32_CLI_MGMT_MASTERKEY_H
+
+#include "stm-init.h"
+#include <libcli.h>
+
+extern void configure_cli_masterkey(struct cli_def *cli);
+
+#endif /* __STM32_CLI_MGMT_MASTERKEY_H */