Merge branch 'backward_compatibility'

Do the HOTP slot counter conversion from ASCII to binary only for
Storage v0.53 and lower. Storage v0.54 returns binary counter.

1 files changed, 12 insertions, 0 deletions

diff --git a/NK_C_API.h b/NK_C_API.h
index 9383cd9..d5c54a3 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -995,6 +995,18 @@ extern "C" {
    */
   NK_C_API int NK_change_firmware_password_pro(const char *current_firmware_password, const char *new_firmware_password);
 
+
+// as in ReadSlot::ResponsePayload
+struct ReadSlot_t {
+  uint8_t slot_name[15];
+  uint8_t _slot_config;
+  uint8_t slot_token_id[13];
+  uint64_t slot_counter;
+};
+
+
+NK_C_API int NK_read_HOTP_slot(const uint8_t slot_num, struct ReadSlot_t* out);
+
 #ifdef __cplusplus
 }
 #endif