diff --git a/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationToken.cs b/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationToken.cs
index c4328c3..ee8fb8a 100644
--- a/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationToken.cs
+++ b/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationToken.cs
@@ -22,6 +22,7 @@ namespace SMBLibrary.Authentication.GSSAPI
         /// <summary>
         /// https://tools.ietf.org/html/rfc2743
         /// </summary>
+        /// <exception cref="System.IO.InvalidDataException"></exception>
         public static SimpleProtectedNegotiationToken ReadToken(byte[] tokenBytes, int offset)
         {
             byte tag = ByteReader.ReadByte(tokenBytes, ref offset);
diff --git a/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenInit.cs b/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenInit.cs
index f1e414c..acf5bb9 100644
--- a/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenInit.cs
+++ b/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenInit.cs
@@ -35,6 +35,7 @@ namespace SMBLibrary.Authentication.GSSAPI
         }
 
         /// <param name="offset">The offset following the NegTokenInit tag</param>
+        /// <exception cref="System.IO.InvalidDataException"></exception>
         public SimpleProtectedNegotiationTokenInit(byte[] buffer, int offset)
         {
             int constructionLength = DerEncodingHelper.ReadLength(buffer, ref offset);
diff --git a/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenResponse.cs b/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenResponse.cs
index 66906fe..b2f618e 100644
--- a/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenResponse.cs
+++ b/SMBLibrary/Authentication/GSSAPI/SPNEGO/SimpleProtectedNegotiationTokenResponse.cs
@@ -40,6 +40,7 @@ namespace SMBLibrary.Authentication.GSSAPI
         }
 
         /// <param name="offset">The offset following the NegTokenResp tag</param>
+        /// <exception cref="System.IO.InvalidDataException"></exception>
         public SimpleProtectedNegotiationTokenResponse(byte[] buffer, int offset)
         {
             int constuctionLength = DerEncodingHelper.ReadLength(buffer, ref offset);