1 files changed, 0 insertions, 124 deletions
diff --git a/src/modes/aead/ocb/ocb.h b/src/modes/aead/ocb/ocb.h
deleted file mode 100644
index e7d042de3..000000000
--- a/src/modes/aead/ocb/ocb.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
-* OCB Mode
-* (C) 2013 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_AEAD_OCB_H__
-#define BOTAN_AEAD_OCB_H__
-
-#include <botan/aead.h>
-#include <botan/block_cipher.h>
-#include <botan/buf_filt.h>
-#include <memory>
-
-namespace Botan {
-
-class L_computer;
-
-/**
-* OCB Mode (base class for OCB_Encryption and OCB_Decryption). Note
-* that OCB is patented, but is freely licensed in some circumstances.
-*
-* @see "The OCB Authenticated-Encryption Algorithm" internet draft
-        http://tools.ietf.org/html/draft-irtf-cfrg-ocb-03
-* @see Free Licenses http://www.cs.ucdavis.edu/~rogaway/ocb/license.htm
-* @see OCB home page http://www.cs.ucdavis.edu/~rogaway/ocb
-*/
-class BOTAN_DLL OCB_Mode : public AEAD_Mode
-   {
-   public:
-      secure_vector<byte> start(const byte nonce[], size_t nonce_len) override;
-
-      void set_associated_data(const byte ad[], size_t ad_len) override;
-
-      std::string name() const override;
-
-      size_t update_granularity() const;
-
-      Key_Length_Specification key_spec() const override;
-
-      bool valid_nonce_length(size_t) const override;
-
-      size_t tag_size() const { return m_tag_size; }
-
-      void clear();
-
-      ~OCB_Mode();
-   protected:
-      /**
-      * @param cipher the 128-bit block cipher to use
-      * @param tag_size is how big the auth tag will be
-      */
-      OCB_Mode(BlockCipher* cipher, size_t tag_size);
-
-      void key_schedule(const byte key[], size_t length) override;
-
-      // fixme make these private
-      std::unique_ptr<BlockCipher> m_cipher;
-      std::unique_ptr<L_computer> m_L;
-
-      size_t m_block_index = 0;
-
-      secure_vector<byte> m_checksum;
-      secure_vector<byte> m_offset;
-      secure_vector<byte> m_ad_hash;
-   private:
-      secure_vector<byte> update_nonce(const byte nonce[], size_t nonce_len);
-
-      size_t m_tag_size = 0;
-      secure_vector<byte> m_last_nonce;
-      secure_vector<byte> m_stretch;
-   };
-
-class BOTAN_DLL OCB_Encryption : public OCB_Mode
-   {
-   public:
-      /**
-      * @param cipher the 128-bit block cipher to use
-      * @param tag_size is how big the auth tag will be
-      */
-      OCB_Encryption(BlockCipher* cipher, size_t tag_size = 16) :
-         OCB_Mode(cipher, tag_size) {}
-
-      size_t output_length(size_t input_length) const override
-         { return input_length + tag_size(); }
-
-      size_t minimum_final_size() const override { return 0; }
-
-      void update(secure_vector<byte>& blocks, size_t offset = 0) override;
-
-      void finish(secure_vector<byte>& final_block, size_t offset = 0) override;
-   private:
-      void encrypt(byte input[], size_t blocks);
-   };
-
-class BOTAN_DLL OCB_Decryption : public OCB_Mode
-   {
-   public:
-      /**
-      * @param cipher the 128-bit block cipher to use
-      * @param tag_size is how big the auth tag will be
-      */
-      OCB_Decryption(BlockCipher* cipher, size_t tag_size = 16) :
-         OCB_Mode(cipher, tag_size) {}
-
-      size_t output_length(size_t input_length) const override
-         {
-         BOTAN_ASSERT(input_length > tag_size(), "Sufficient input");
-         return input_length - tag_size();
-         }
-
-      size_t minimum_final_size() const override { return tag_size(); }
-
-      void update(secure_vector<byte>& blocks, size_t offset = 0) override;
-
-      void finish(secure_vector<byte>& final_block, size_t offset = 0) override;
-   private:
-      void decrypt(byte input[], size_t blocks);
-   };
-
-}
-
-#endif