From c87a30228f7162febe9babd597b4f89e9f91dad6 Mon Sep 17 00:00:00 2001
From: Peter Dettman <peter.dettman@bouncycastle.org>
Date: Thu, 13 Jan 2022 16:19:01 +0700
Subject: added key length check

---
 crypto/src/crypto/engines/SEEDEngine.cs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'crypto/src')

diff --git a/crypto/src/crypto/engines/SEEDEngine.cs b/crypto/src/crypto/engines/SEEDEngine.cs
index f615b8476..d4142c867 100644
--- a/crypto/src/crypto/engines/SEEDEngine.cs
+++ b/crypto/src/crypto/engines/SEEDEngine.cs
@@ -240,6 +240,9 @@ namespace Org.BouncyCastle.Crypto.Engines
 		private int[] createWorkingKey(
 			byte[] inKey)
 		{
+			if (inKey.Length != 16)
+				throw new ArgumentException("key size must be 128 bits");
+
 			int[] key = new int[32];
 			long lower = bytesToLong(inKey, 0);
 			long upper = bytesToLong(inKey, 8);
-- 
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