From 1be2b9c7efc515813a926693b187fd56304b9e10 Mon Sep 17 00:00:00 2001
From: antiduh <antiduh@e114e3f1-24f7-e311-a78f-001bfcf5e160>
Date: Mon, 23 Jun 2014 02:34:36 +0000
Subject: [PATCH] Saving work.. working on implementing EncryptMessage. The
 buffer types and allocation that get passed to the call is really crazy in
 the sample.

---
 Contexts/Context.cs              |  4 ++++
 Contexts/ContextNativeMethods.cs | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/Contexts/Context.cs b/Contexts/Context.cs
index 89e4aa1..f5e5cd3 100644
--- a/Contexts/Context.cs
+++ b/Contexts/Context.cs
@@ -49,5 +49,9 @@ namespace NSspi
 
             this.disposed = true;
         }
+
+        public byte[] Encrypt( byte[] input )
+        {
+        }
     }
 }
diff --git a/Contexts/ContextNativeMethods.cs b/Contexts/ContextNativeMethods.cs
index 32fb3ed..913f53b 100644
--- a/Contexts/ContextNativeMethods.cs
+++ b/Contexts/ContextNativeMethods.cs
@@ -148,5 +148,19 @@ namespace NSspi.Contexts
             SetLastError = true
         )]
         public static extern SecurityStatus DeleteSecurityContext( ref long contextHandle );
+
+        [DllImport(
+            "Secur32.dll",
+            EntryPoint = "EncryptMessag",
+            CallingConvention = CallingConvention.Winapi,
+            CharSet = CharSet.Unicode,
+            SetLastError = true
+        )]
+        public static extern SecurityStatus EncryptMessage(
+            ref long contextHandle,
+            int qualityOfProtection,
+            IntPtr bufferDescriptor,
+            int sequenceNumber
+        );
     }
 }