Fix paddedBlock calculation

2026-09-10 17:25:51 +00:00 · 2012-02-24 19:12:38 +00:00
parent d2eeca4d6d
commit 8d3ae9cede
1 changed files with 4 additions and 1 deletions
@@ -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++)
            {