Added slashdocs.

src/Renci.SshNet/Messages/Connection/ChannelOpenConfirmationMessage.cs

@@ -27,6 +27,12 @@
         /// </value>
         public uint MaximumPacketSize { get; private set; }
 
+        /// <summary>
+        /// Gets the size of the message in bytes.
+        /// </summary>
+        /// <value>
+        /// The size of the messages in bytes.
+        /// </value>
         protected override int BufferCapacity
         {
             get

src/Renci.SshNet/Security/Cryptography/AsymmetricCipher.cs

@@ -5,6 +5,12 @@
     /// </summary>
     public abstract class AsymmetricCipher  : Cipher
     {
+        /// <summary>
+        /// Gets the minimum data size.
+        /// </summary>
+        /// <value>
+        /// The minimum data size.
+        /// </value>
         public override byte MinimumSize
         {
             get { return 0; }

src/Renci.SshNet/Security/KeyExchangeDiffieHellmanGroupExchangeShaBase.cs

@@ -3,6 +3,9 @@ using Renci.SshNet.Messages.Transport;
 
 namespace Renci.SshNet.Security
 {
+    /// <summary>
+    /// Base class for "diffie-hellman-group-exchange" algorithms.
+    /// </summary>
     public abstract class KeyExchangeDiffieHellmanGroupExchangeShaBase : KeyExchangeDiffieHellman
     {
         private const int MinimumGroupSize = 1024;

src/Renci.SshNet/Sftp/SftpFileAttributes.cs

@@ -434,6 +434,12 @@ namespace Renci.SshNet.Sftp
             OthersCanExecute = (permission & S_IXOTH) == S_IXOTH;
         }
 
+        /// <summary>
+        /// Returns a byte array representing the current <see cref="SftpFileAttributes"/>.
+        /// </summary>
+        /// <returns>
+        /// A byte array representing the current <see cref="SftpFileAttributes"/>.
+        /// </returns>
         public byte[] GetBytes()
         {
             var stream = new SshDataStream(4);