1 files changed, 0 insertions, 115 deletions
diff --git a/checks/block.cpp b/checks/block.cpp
deleted file mode 100644
index 5d275615e..000000000
--- a/checks/block.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
-* (C) 2009 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-
-/*
-  We don't use the standard issue ECB filter, because we also want to check
-  that the encryption and decryption operations are inverses (ie, it works).
-
-  This class only works with NoPadding mode, unlike the regular ECB filters
-*/
-
-#include <iostream>
-#include <string>
-#include <cstdlib>
-#include <botan/filter.h>
-#include <botan/lookup.h>
-using namespace Botan;
-
-#include "common.h"
-
-class ECB_Encryption_ErrorCheck : public Filter
-   {
-   public:
-      std::string name() const
-         { return "ECB_ErrCheck(" + cipher->name() + ")"; }
-
-      void write(const byte[], size_t);
-
-      void end_msg();
-
-      ECB_Encryption_ErrorCheck(const std::string& cipher_name,
-                                const std::string&,
-                                const SymmetricKey& key) :
-         BLOCKSIZE(block_size_of(cipher_name))
-         {
-         const std::string HASH = "CRC32";
-
-         cipher = get_block_cipher(cipher_name);
-         input_hash = get_hash(HASH);
-         decrypt_hash = get_hash(HASH);
-         buffer.resize(BLOCKSIZE);
-         cipher->set_key(key);
-         position = 0;
-         }
-
-      ~ECB_Encryption_ErrorCheck()
-         {
-         delete cipher;
-         delete input_hash;
-         delete decrypt_hash;
-         }
-
-   private:
-      const size_t BLOCKSIZE;
-      BlockCipher* cipher;
-      SecureVector<byte> buffer;
-      size_t position;
-      HashFunction* input_hash, *decrypt_hash;
-   };
-
-void ECB_Encryption_ErrorCheck::write(const byte input[], size_t length)
-   {
-   input_hash->update(input, length);
-   buffer.copy(position, input, length);
-   if(position + length >= BLOCKSIZE)
-      {
-      cipher->encrypt(buffer);
-      send(buffer, BLOCKSIZE);
-      cipher->decrypt(buffer);
-      decrypt_hash->update(&buffer[0], BLOCKSIZE);
-      input += (BLOCKSIZE - position);
-      length -= (BLOCKSIZE - position);
-      while(length >= BLOCKSIZE)
-         {
-         cipher->encrypt(input, &buffer[0]);
-         send(buffer, BLOCKSIZE);
-         cipher->decrypt(buffer);
-         decrypt_hash->update(&buffer[0], BLOCKSIZE);
-         input += BLOCKSIZE;
-         length -= BLOCKSIZE;
-         }
-      buffer.copy(input, length);
-      position = 0;
-      }
-   position += length;
-   }
-
-void ECB_Encryption_ErrorCheck::end_msg()
-   {
-   SecureVector<byte> hash1 = input_hash->final();
-   SecureVector<byte> hash2 = decrypt_hash->final();
-
-   if(hash1 != hash2)
-      {
-      std::cout << "In " << cipher->name()
-                << " decryption check failed." << std::endl;
-      }
-
-   if(position)
-      throw Encoding_Error("ECB: input was not in full blocks");
-   }
-
-Filter* lookup_block(const std::string& algname, const std::string& key)
-   {
-   Filter* cipher = 0;
-   try {
-      cipher = new ECB_Encryption_ErrorCheck(algname, "NoPadding", key);
-      }
-   catch(Algorithm_Not_Found) {}
-
-   return cipher;
-   }