diff -r 000000000000 -r 2b3e5ec03512 servlib/security/KeySteward.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/security/KeySteward.h	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,77 @@
+/*
+ *    Copyright 2007 SPARTA Inc
+ * 
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#ifndef _KEYSTEWARD_H_
+#define _KEYSTEWARD_H_
+
+#ifdef BSP_ENABLED
+
+#include <oasys/util/ScratchBuffer.h>
+//#include "bundling/BlockProcessor.h"
+
+namespace dtn {
+
+typedef oasys::ScratchBuffer<u_char*, 64> DataBuffer;
+
+class Bundle;
+
+class KeyParameterInfo;    //opaque info -- hints for what key to use
+
+class KeySteward  {
+
+public:
+    
+    /// static class in this demo code
+    
+    static int encrypt(const Bundle*     b,
+                       KeyParameterInfo* kpi,
+                       const LinkRef&    link,
+                       std::string       security_dest,
+                       u_char*           data,
+                       size_t            data_len,
+                       DataBuffer&       db);
+    
+    static int decrypt(const Bundle* b,
+                       std::string   security_src,
+                       u_char*       enc_data,
+                       size_t        enc_data_len,
+                       DataBuffer&   db);
+    
+    static int sign(const Bundle*    b,
+                    KeyParameterInfo*kpi,
+                    const LinkRef&   link,
+                    DataBuffer&      db_digest,
+                    DataBuffer&      db_signed);
+    
+    static int signature_length(const Bundle*     b,
+                                KeyParameterInfo* kpi,
+                                const LinkRef&    link,
+                                size_t            data_len,
+                                size_t&           out_len);
+    
+    static int verify(const Bundle* b,
+                      u_char*       enc_data,
+                      size_t        enc_data_len,
+                      u_char*       data,
+                      size_t        data_len);
+};
+
+
+} // namespace dtn
+
+#endif /* BSP_ENABLED */
+
+#endif /* _KEYSTEWARD_H_ */