From 1ae0f10ff936c4feacfa7525b8613d91b143c30d Mon Sep 17 00:00:00 2001
From: kyororay <puppulinkyoro@gmail.com>
Date: Thu, 9 Jul 2026 16:10:52 +0900
Subject: [PATCH] =?UTF-8?q?=20=E5=90=89=E9=87=8C=E5=90=89=E9=87=8C=20?=
 =?UTF-8?q?=E5=BE=A9=E5=8F=B7=E3=82=A2=E3=83=AB=E3=82=B4=E3=83=AA=E3=82=BA?=
 =?UTF-8?q?=E3=83=A0=E3=81=AE=E8=BF=BD=E5=8A=A0=EF=BC=88=E3=82=AF=E3=83=A9?=
 =?UTF-8?q?=E3=82=B9=E5=90=8D=EF=BC=9AHoneyCombCrypt=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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対象ゲームタイトル：
[140829][ALcot ハニカム] サツコイ ～悠久なる恋の歌～
[141128][ALcot ハニカム] キミのとなりで恋してる！
---
 ArcFormats/KiriKiri/CryptAlgorithms.cs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/ArcFormats/KiriKiri/CryptAlgorithms.cs b/ArcFormats/KiriKiri/CryptAlgorithms.cs
index ad473cc76..cea7eca20 100644
--- a/ArcFormats/KiriKiri/CryptAlgorithms.cs
+++ b/ArcFormats/KiriKiri/CryptAlgorithms.cs
@@ -1671,4 +1671,23 @@ private byte[] InitKey(uint hash)
         }
     }
 
+    [Serializable]
+    public class HoneyCombCrypt : ICrypt
+    {
+        public override void Decrypt(Xp3Entry entry, long offset, byte[] buffer, int pos, int count)
+        {
+            uint seed = entry.Hash ^ 0xABCD9876;
+            byte key = (byte)((seed >> 24) ^ (seed >> 16) ^ (seed >> 8) ^ seed);
+            if (key == 0)
+                key = 0xA5;
+            for (int i = 0; i < count; ++i)
+                buffer[pos + i] ^= key;
+        }
+
+        public override void Encrypt(Xp3Entry entry, long offset, byte[] values, int pos, int count)
+        {
+            Decrypt(entry, offset, values, pos, count);
+        }
+    }
+
 }