From 39c5d12096cf27258ba7bd31092d821fe09b6f4a Mon Sep 17 00:00:00 2001
From: Paul Schaub <vanitasvitae@fsfe.org>
Date: Wed, 23 Aug 2023 13:28:38 +0200
Subject: [PATCH] Use IntRange for Trustworthiness range check

---
 .../kotlin/org/pgpainless/algorithm/Trustworthiness.kt    | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/Trustworthiness.kt b/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/Trustworthiness.kt
index b1a1b7dd..695632a2 100644
--- a/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/Trustworthiness.kt
+++ b/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/Trustworthiness.kt
@@ -62,11 +62,13 @@ class Trustworthiness(amount: Int, depth: Int) {
     fun canIntroduce(other: Trustworthiness) = canIntroduce(other.depth)
 
     companion object {
-
         const val THRESHOLD_FULLY_CONVINCED = 120 // greater or equal is fully trusted
         const val MARGINALLY_CONVINCED = 60 // default value for marginally convinced
         const val NOT_TRUSTED = 0 // 0 is not trusted
 
+        @JvmStatic
+        private val validRange = 0..255
+
         /**
          * This means that we are fully convinced of the trustworthiness of the key.
          *
@@ -94,7 +96,7 @@ class Trustworthiness(amount: Int, depth: Int) {
 
         @JvmStatic
         private fun capAmount(amount: Int): Int {
-            if (amount !in 0..255) {
+            if (amount !in validRange) {
                 throw IllegalArgumentException("Trust amount MUST be a value between 0 and 255")
             }
             return amount
@@ -102,7 +104,7 @@ class Trustworthiness(amount: Int, depth: Int) {
 
         @JvmStatic
         private fun capDepth(depth: Int): Int {
-            if (depth !in 0..255) {
+            if (depth !in validRange) {
                 throw IllegalArgumentException("Trust depth MUST be a value between 0 and 255")
             }
             return depth