From 8be1a99cbe06647e70a931ac21e35113cb1dbf21 Mon Sep 17 00:00:00 2001
From: Peter Dettman <peter.dettman@bouncycastle.org>
Date: Fri, 31 May 2024 16:25:16 +0700
Subject: Fix data length check

---
 crypto/src/crypto/BufferedAsymmetricBlockCipher.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs b/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs
index be933a028..382d6a2cb 100644
--- a/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs
+++ b/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs
@@ -131,7 +131,7 @@ namespace Org.BouncyCastle.Crypto
 #if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
         public override int ProcessBytes(ReadOnlySpan<byte> input, Span<byte> output)
 		{
-			Check.DataLength(input, buffer.Length - bufOff, "attempt to process message too long for cipher");
+            Check.DataLength(input.Length > buffer.Length - bufOff, "attempt to process message too long for cipher");
 
 			input.CopyTo(buffer.AsSpan(bufOff));
             bufOff += input.Length;
-- 
cgit 1.4.1