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-rw-r--r--projects/hsm/mgmt-keystore.c35
1 files changed, 33 insertions, 2 deletions
diff --git a/projects/hsm/mgmt-keystore.c b/projects/hsm/mgmt-keystore.c
index a7fdffe..9eb42da 100644
--- a/projects/hsm/mgmt-keystore.c
+++ b/projects/hsm/mgmt-keystore.c
@@ -50,6 +50,7 @@
#include <stdlib.h>
#include <string.h>
+#include <strings.h>
#include <ctype.h>
@@ -320,13 +321,34 @@ static int cmd_keystore_erase(struct cli_def *cli, const char *command, char *ar
{
hal_error_t err;
HAL_StatusTypeDef status;
+ int preserve_PINs = 0;
command = command;
- if (argc != 1 || strcmp(argv[0], "YesIAmSure") != 0) {
- cli_print(cli, "Syntax: keystore erase YesIAmSure");
+ if (argc < 1 || argc > 2 || strcmp(argv[0], "YesIAmSure") != 0) {
+ usage:
+ cli_print(cli, "Syntax: keystore erase YesIAmSure [preservePINs]");
return CLI_ERROR;
}
+ if (argc == 2) {
+ if (strcasecmp(argv[1], "preservePINs") != 0)
+ goto usage;
+ else
+ preserve_PINs = 1;
+ }
+
+ hal_user_t users[3] = { HAL_USER_NORMAL, HAL_USER_SO, HAL_USER_WHEEL };
+ hal_ks_pin_t pins[3];
+ if (preserve_PINs) {
+ for (size_t i = 0; i < 3; ++i) {
+ const hal_ks_pin_t *pin;
+ if (hal_get_pin(users[i], &pin) != HAL_OK) {
+ cli_print(cli, "Failed to get the PINs");
+ return CLI_ERROR;
+ }
+ memcpy(&pins[i], pin, sizeof(*pin));
+ }
+ }
cli_print(cli, "OK, erasing keystore, this will take about 45 seconds...");
if ((status = keystore_erase_bulk()) != CMSIS_HAL_OK) {
@@ -344,6 +366,15 @@ static int cmd_keystore_erase(struct cli_def *cli, const char *command, char *ar
return CLI_ERROR;
}
+ if (preserve_PINs) {
+ for (size_t i = 0; i < 3; ++i) {
+ if (hal_set_pin(users[i], &pins[i]) != HAL_OK) {
+ cli_print(cli, "Failed to restore the PINs");
+ return CLI_ERROR;
+ }
+ }
+ }
+
cli_print(cli, "Keystore erased");
return CLI_OK;
}