fw: Set LED colors

- Set LED color to white when firmware has initialized
- Set LED color to black when changing state to loading
- Set LED color to blue when starting testloadapp
- Update mgmt app allowed digest since testloadapp changed

hw/application_fpga/fw/testloadapp/main.c

@@ -2,6 +2,7 @@
 #include <monocypher/monocypher-ed25519.h>
 #include <stdint.h>
 #include <tkey/debug.h>
+#include <tkey/led.h>
 #include <tkey/lib.h>
 #include <tkey/tk1_mem.h>
 
@@ -161,6 +162,8 @@ int main(void)
 	uint8_t available;
 	uint8_t in = 0;
 
+	led_set(LED_BLUE);
+
 	// Generate a key pair from CDI
 	crypto_ed25519_key_pair(secret_key, pubkey, (uint8_t *)cdi);
 

hw/application_fpga/fw/tk1/main.c

@@ -252,6 +252,8 @@ static enum state initial_commands(const struct frame_header *hdr,
 
 		ctx->left = *app_size;
 
+		led_set(LED_BLACK);
+
 		state = FW_STATE_LOADING;
 		break;
 	}
@@ -496,8 +498,6 @@ int main(void)
 	uint8_t cmd[CMDSIZE] = {0};
 	enum state state = FW_STATE_INITIAL;
 
-	led_set(LED_BLUE);
-
 	print_hw_version();
 
 	/*@-mustfreeonly@*/
@@ -515,6 +515,8 @@ int main(void)
 		assert(1 == 2);
 	}
 
+	led_set(LED_WHITE);
+
 #if defined(SIMULATION)
 	run(&ctx);
 #endif

hw/application_fpga/fw/tk1/mgmt_app.c

@@ -12,9 +12,9 @@
 //
 // To update this, compute the BLAKE2s digest of the app.bin
 static const uint8_t allowed_app_digest[32] = {
-    0x7e, 0x6e, 0x12, 0x72, 0x79, 0xcc, 0x3c, 0x6a, 0xf2, 0x67, 0x28,
-    0x7d, 0x72, 0xcf, 0x26, 0x85, 0x61, 0xb0, 0x62, 0x29, 0x2f, 0x56,
-    0x98, 0x7a, 0xf0, 0xb,  0x3e, 0xce, 0x39, 0xde, 0x5e, 0xe3,
+    0xf8, 0x90, 0x34, 0x31, 0xe0, 0xed, 0xab, 0x8b, 0x91, 0xe5, 0x63,
+    0xe6, 0xea, 0x6a, 0x49, 0xe6, 0x53, 0x1e, 0xc7, 0x47, 0xca, 0x2f,
+    0x2b, 0x8f, 0xf3, 0x5e, 0x67, 0x13, 0x0f, 0xfa, 0x93, 0x36,
 };
 
 static uint8_t current_app_digest[32];