1 files changed, 0 insertions, 106 deletions
diff --git a/doc/examples/new_engine.cpp b/doc/examples/new_engine.cpp
deleted file mode 100644
index 42e5dbe33..000000000
--- a/doc/examples/new_engine.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
-* Adding an application specific engine
-* (C) 2004,2008 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/stream_cipher.h>
-#include <botan/engine.h>
-
-using namespace Botan;
-
-class XOR_Cipher : public StreamCipher
-   {
-   public:
-      void clear() throw() { mask.clear(); mask_pos = 0; }
-
-      // what we want to call this cipher
-      std::string name() const { return "XOR"; }
-
-      // return a new object of this type
-      StreamCipher* clone() const { return new XOR_Cipher; }
-
-      Key_Length_Specification key_spec() const
-         {
-         return Key_Length_Specification(1, 32);
-         }
-
-      XOR_Cipher() : mask_pos(0) {}
-   private:
-      void cipher(const byte in[], byte out[], size_t length)
-         {
-         for(size_t j = 0; j != length; j++)
-            {
-            out[j] = in[j] ^ mask[mask_pos];
-            mask_pos = (mask_pos + 1) % mask.size();
-            }
-         }
-
-      void key_schedule(const byte key[], size_t length)
-         {
-         mask.resize(length);
-         copy_mem(&mask[0], key, length);
-         }
-
-      SecureVector<byte> mask;
-      u32bit mask_pos;
-   };
-
-class Application_Engine : public Engine
-   {
-   public:
-      std::string provider_name() const { return "application"; }
-
-      StreamCipher* find_stream_cipher(const SCAN_Name& request,
-                                       Algorithm_Factory&) const
-         {
-         if(request.algo_name() == "XOR")
-            return new XOR_Cipher;
-         return 0;
-         }
-   };
-
-#include <botan/botan.h>
-#include <iostream>
-#include <string>
-
-int main()
-   {
-
-   Botan::LibraryInitializer init;
-
-   global_state().algorithm_factory().add_engine(
-      new Application_Engine);
-
-   // a hex key value
-   SymmetricKey key("010203040506070809101112AAFF");
-
-   /*
-    Since stream ciphers are typically additive, the encryption and
-    decryption ops are the same, so this isn't terribly interesting.
-
-    If this where a block cipher you would have to add a cipher mode and
-    padding method, such as "/CBC/PKCS7".
-   */
-   Pipe enc(get_cipher("XOR", key, ENCRYPTION), new Hex_Encoder);
-   Pipe dec(new Hex_Decoder, get_cipher("XOR", key, DECRYPTION));
-
-   // I think the pigeons are actually asleep at midnight...
-   std::string secret = "The pigeon flys at midnight.";
-
-   std::cout << "The secret message is '" << secret << "'" << std::endl;
-
-   enc.process_msg(secret);
-   std::string cipher = enc.read_all_as_string();
-
-   std::cout << "The encrypted secret message is " << cipher << std::endl;
-
-   dec.process_msg(cipher);
-   secret = dec.read_all_as_string();
-
-   std::cout << "The decrypted secret message is '"
-             << secret << "'" << std::endl;
-
-   return 0;
-   }