From 8d3ae9cede3dd8946f15aad36ffabcd345456e5d Mon Sep 17 00:00:00 2001
From: olegkap_cp <olegkap@gmail.com>
Date: Fri, 24 Feb 2012 19:12:38 +0000
Subject: [PATCH] Fix paddedBlock calculation

---
 .../Renci.SshNet/Security/Cryptography/Ciphers/RsaCipher.cs  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Renci.SshClient/Renci.SshNet/Security/Cryptography/Ciphers/RsaCipher.cs b/Renci.SshClient/Renci.SshNet/Security/Cryptography/Ciphers/RsaCipher.cs
index 4c771e03..66b293c9 100644
--- a/Renci.SshClient/Renci.SshNet/Security/Cryptography/Ciphers/RsaCipher.cs
+++ b/Renci.SshClient/Renci.SshNet/Security/Cryptography/Ciphers/RsaCipher.cs
@@ -40,7 +40,10 @@ namespace Renci.SshNet.Security.Cryptography.Ciphers
         public override byte[] Encrypt(byte[] data)
         {
             //  Calculate signature
-            var paddedBlock = new byte[this._key.Modulus.BitLength / 8 - 1];
+            var bitLength = this._key.Modulus.BitLength;
+
+            var paddedBlock = new byte[bitLength / 8 + (bitLength % 8 > 0 ? 1 : 0) - 1];
+
             paddedBlock[0] = 0x01;
             for (int i = 1; i < paddedBlock.Length - data.Length - 1; i++)
             {