Sure.

Author: jacobly0

core/usb/dusb.c

@@ -238,6 +238,8 @@ static bool dusb_convert_varname_to_utf8(dusb_command_t *command) {
             if (command->varname[0] < 'A' || command->varname[0] > 'Z' + 1) {
                 return false;
             }
+        case CALC_VAR_TYPE_APP_VAR:
+        case CALC_VAR_TYPE_CERTIFICATE:
         case CALC_VAR_TYPE_OPERATING_SYSTEM:
             memcpy(tiascii, command->varname, command->varname_length);
             tiascii[command->varname_length] = '\0';
@@ -403,6 +405,7 @@ static dusb_state_t dusb_detect(dusb_context_t *context) {
             case CALC_VAR_TYPE_OPERATING_SYSTEM:
                 return DUSB_SOS_PING_STATE;
             case CALC_VAR_TYPE_FLASH_APP:
+            case CALC_VAR_TYPE_CERTIFICATE:
                 context->flag = DUSB_VAR_FILE_VAR_FLAG_ARCHIVED;
                 return DUSB_SEND_PING_STATE;
             default:
@@ -1129,7 +1132,7 @@ int usb_dusb_device(usb_event_t *event) {
                     *buffer++ = context->length >>  8 & 0xFF;
                     *buffer++ = context->length >>  0 & 0xFF;
                     *buffer++ = DUSB_VPKT_RTS_SILENT;
-                    attribute_count = command->vartype == CALC_VAR_TYPE_FLASH_APP ? 2 : 3;
+                    attribute_count = command->vartype == CALC_VAR_TYPE_FLASH_APP || command->vartype == CALC_VAR_TYPE_CERTIFICATE ? 2 : 3;
                     *buffer++ = attribute_count >> 8 & 0xFF;
                     *buffer++ = attribute_count >> 0 & 0xFF;
 
@@ -1138,7 +1141,7 @@ int usb_dusb_device(usb_event_t *event) {
                     *buffer++ = DUSB_ATTR_VAR_TYPE_SIZE >> 8 & 0xFF;
                     *buffer++ = DUSB_ATTR_VAR_TYPE_SIZE >> 0 & 0xFF;
                     *buffer++ = 0xf0;
-                    *buffer++ = command->vartype == CALC_VAR_TYPE_FLASH_APP ? 0x0f : 0x07;
+                    *buffer++ = command->vartype == CALC_VAR_TYPE_FLASH_APP || command->vartype == CALC_VAR_TYPE_CERTIFICATE ? 0x0f : 0x07;
                     *buffer++ = 0;
                     *buffer++ = command->vartype;
 
@@ -1148,7 +1151,7 @@ int usb_dusb_device(usb_event_t *event) {
                     *buffer++ = DUSB_ATTR_ARCHIVED_SIZE >> 0 & 0xFF;
                     *buffer++ = (command->flag ? command->flag : context->flag >> 7) & 1;
 
-                    if (command->vartype != CALC_VAR_TYPE_FLASH_APP) {
+                    if (command->vartype != CALC_VAR_TYPE_FLASH_APP && command->vartype != CALC_VAR_TYPE_CERTIFICATE) {
                         *buffer++ = DUSB_ATTR_VAR_VERSION >> 8 & 0xFF;
                         *buffer++ = DUSB_ATTR_VAR_VERSION >> 0 & 0xFF;
                         *buffer++ = DUSB_ATTR_VAR_VERSION_SIZE >> 8 & 0xFF;