Challenge implementation

src/apdu_constants.h

@@ -24,6 +24,8 @@
 #define INS_EIP712_STRUCT_DEF               0x1A
 #define INS_EIP712_STRUCT_IMPL              0x1C
 #define INS_EIP712_FILTERING                0x1E
+#define INS_ENS_GET_CHALLENGE               0x20
+#define INS_ENS_PROVIDE_INFO                0x22
 #define P1_CONFIRM                          0x01
 #define P1_NON_CONFIRM                      0x00
 #define P2_NO_CHAINCODE                     0x00

src/main.c

@@ -29,6 +29,7 @@
 #include "handle_get_printable_amount.h"
 #include "handle_check_address.h"
 #include "commands_712.h"
+#include "challenge.h"
 
 #ifdef HAVE_STARKWARE
 #include "stark_crypto.h"
@@ -749,6 +750,12 @@ void handleApdu(unsigned int *flags, unsigned int *tx) {
                     break;
 #endif  // HAVE_EIP712_FULL_SUPPORT
 
+#ifdef HAVE_DOMAIN_NAME
+                case INS_ENS_GET_CHALLENGE:
+                    handle_get_challenge();
+                    break;
+#endif  // HAVE_DOMAIN_NAME
+
 #if 0
         case 0xFF: // return to dashboard
           goto return_to_dashboard;
@@ -980,6 +987,11 @@ void coin_main(chain_config_t *coin_config) {
                 BLE_power(1, "Nano X");
 #endif  // HAVE_BLE
 
+#ifdef HAVE_DOMAIN_NAME
+                // to prevent it from having a fixed value at boot
+                roll_challenge();
+#endif  // HAVE_DOMAIN_NAME
+
                 app_main();
             }
             CATCH(EXCEPTION_IO_RESET) {