1 files changed, 86 insertions, 0 deletions
diff --git a/old/botan/src/cms/cms_enc.cpp b/old/botan/src/cms/cms_enc.cpp
new file mode 100644
index 0000000..2413676
--- /dev/null
+++ b/old/botan/src/cms/cms_enc.cpp
@@ -0,0 +1,86 @@
+/*
+* CMS Encoding Base
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/cms_enc.h>
+#include <botan/der_enc.h>
+#include <botan/oids.h>
+#include <botan/pem.h>
+
+namespace Botan {
+
+/*
+* Setup the intitial layer of CMS data
+*/
+void CMS_Encoder::set_data(const byte buf[], u32bit length)
+   {
+   if(data.has_items())
+      throw Invalid_State("Cannot call CMS_Encoder::set_data here");
+
+   data.set(buf, length);
+   type = "CMS.DataContent";
+   }
+
+/*
+* Setup the intitial layer of CMS data
+*/
+void CMS_Encoder::set_data(const std::string& str)
+   {
+   set_data((const byte*)str.c_str(), str.length());
+   }
+
+/*
+* Finalize and return the CMS encoded data
+*/
+SecureVector<byte> CMS_Encoder::get_contents()
+   {
+   DER_Encoder encoder;
+
+   encoder.start_cons(SEQUENCE).
+      encode(OIDS::lookup(type)).
+      start_explicit(0).
+         raw_bytes(data).
+      end_explicit().
+   end_cons();
+
+   data.clear();
+
+   return encoder.get_contents();
+   }
+
+/*
+* Add a new layer of encapsulation
+*/
+void CMS_Encoder::add_layer(const std::string& oid, DER_Encoder& new_layer)
+   {
+   data = new_layer.get_contents();
+   type = oid;
+   }
+
+/*
+* Return the PEM-encoded data
+*/
+std::string CMS_Encoder::PEM_contents()
+   {
+   return PEM_Code::encode(get_contents(), "PKCS7");
+   }
+
+/*
+* Make an EncapsulatedContentInfo
+*/
+SecureVector<byte> CMS_Encoder::make_econtent(const SecureVector<byte>& data,
+                                              const std::string& type)
+   {
+   return DER_Encoder().start_cons(SEQUENCE).
+      encode(OIDS::lookup(type)).
+      start_explicit(0).
+         encode(data, OCTET_STRING).
+      end_explicit().
+   end_cons().
+   get_contents();
+   }
+
+}