From fad5958d9c3c2b91208bb6536c2399295278fdcd Mon Sep 17 00:00:00 2001
From: Lloyd <lloyd@rightup.co.uk>
Date: Wed, 7 Jan 2026 21:46:57 +0000
Subject: [PATCH] feat: Update address calculation to use first byte of public
 key for MeshCore

---
 convert_firmware_key.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/convert_firmware_key.sh b/convert_firmware_key.sh
index 681bb95..bd918e6 100755
--- a/convert_firmware_key.sh
+++ b/convert_firmware_key.sh
@@ -85,8 +85,8 @@ try:
     
     print(f"Derived public key: {pubkey.hex()}")
     
-    # Calculate address (first byte of SHA256 of pubkey)
-    address = hashlib.sha256(pubkey).digest()[0]
+    # Calculate address (MeshCore uses first byte of pubkey directly, not SHA256)
+    address = pubkey[0]
     print(f"Node address: 0x{address:02x}")
     print()