From 8c7e54aef45a05f968a42ab50e35fc2245d017ed Mon Sep 17 00:00:00 2001
From: "Kenneth J. Miller" <Kenneth.Miller@sva.de>
Date: Tue, 21 May 2024 16:52:32 +0200
Subject: [PATCH] fix: MIFARE Classic: allow sector 0 authentication

Due to a logic bug, authenticating sector 0 wasn't previously possible.

Adapt a similar, but more robust and descriptive, range check from the
readBlock method to remedy this.

fixes: #160
---
 .../kotlin/im/nfc/flutter_nfc_kit/FlutterNfcKitPlugin.kt     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/android/src/main/kotlin/im/nfc/flutter_nfc_kit/FlutterNfcKitPlugin.kt b/android/src/main/kotlin/im/nfc/flutter_nfc_kit/FlutterNfcKitPlugin.kt
index 7b97a11..d427af9 100644
--- a/android/src/main/kotlin/im/nfc/flutter_nfc_kit/FlutterNfcKitPlugin.kt
+++ b/android/src/main/kotlin/im/nfc/flutter_nfc_kit/FlutterNfcKitPlugin.kt
@@ -309,8 +309,9 @@ class FlutterNfcKitPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
                     return
                 }
                 val index = call.argument<Int>("index")!!
-                if (!(0 < index && index < mifareInfo!!.sectorCount!!)) {
-                    result.error("400", "Invalid sector index $index", null)
+                val maxSector = mifareInfo!!.sectorCount!!
+                if (index !in 0 until maxSector) {
+                    result.error("400", "Invalid sector index $index, should be in (0, $maxSector)", null)
                     return
                 }
                 val keyA = call.argument<Any>("keyA")