From 402a5fe833e14f9bd71a1f388ae198d10a6cf80c Mon Sep 17 00:00:00 2001
From: Igor Milavec <igor.milavec@gmail.com>
Date: Tue, 4 May 2021 02:07:18 +0200
Subject: [PATCH] Fix ArgumentException usage in BlockCipher

---
 src/Renci.SshNet/Security/Cryptography/BlockCipher.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Renci.SshNet/Security/Cryptography/BlockCipher.cs b/src/Renci.SshNet/Security/Cryptography/BlockCipher.cs
index 18cf81cb6..aa0134a83 100644
--- a/src/Renci.SshNet/Security/Cryptography/BlockCipher.cs
+++ b/src/Renci.SshNet/Security/Cryptography/BlockCipher.cs
@@ -77,7 +77,7 @@ public override byte[] Encrypt(byte[] data, int offset, int length)
             {
                 if (_padding == null)
                 {
-                    throw new ArgumentException("data");
+                    throw new ArgumentException(string.Format("The data block size is incorrect for {0}.", GetType().Name), "data");
                 }
                 var paddingLength = _blockSize - (length % _blockSize);
                 data = _padding.Pad(data, offset, length, paddingLength);
@@ -133,7 +133,7 @@ public override byte[] Decrypt(byte[] data, int offset, int length)
             {
                 if (_padding == null)
                 {
-                    throw new ArgumentException("data");
+                    throw new ArgumentException(string.Format("The data block size is incorrect for {0}.", GetType().Name), "data");
                 }
                 data = _padding.Pad(_blockSize, data, offset, length);
                 offset = 0;