1 files changed, 0 insertions, 62 deletions
diff --git a/src/prf/hkdf/hkdf.cpp b/src/prf/hkdf/hkdf.cpp
deleted file mode 100644
index 0a1f7cb31..000000000
--- a/src/prf/hkdf/hkdf.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
-* HKDF
-* (C) 2013 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/hkdf.h>
-
-namespace Botan {
-
-std::string HKDF::name() const
-   {
-   return "HKDF(" + m_prf->name() + ")";
-   }
-
-void HKDF::clear()
-   {
-   m_extractor->clear();
-   m_prf->clear();
-   }
-
-void HKDF::start_extract(const byte salt[], size_t salt_len)
-   {
-   m_extractor->set_key(salt, salt_len);
-   }
-
-void HKDF::extract(const byte input[], size_t input_len)
-   {
-   m_extractor->update(input, input_len);
-   }
-
-void HKDF::finish_extract()
-   {
-   m_prf->set_key(m_extractor->final());
-   }
-
-void HKDF::expand(byte output[], size_t output_len,
-                  const byte info[], size_t info_len)
-   {
-   if(output_len > m_prf->output_length() * 255)
-      throw std::invalid_argument("HKDF requested output too large");
-
-   byte counter = 1;
-
-   secure_vector<byte> T;
-
-   while(output_len)
-      {
-      m_prf->update(T);
-      m_prf->update(info, info_len);
-      m_prf->update(counter++);
-      T = m_prf->final();
-
-      const size_t to_write = std::min(T.size(), output_len);
-      copy_mem(&output[0], &T[0], to_write);
-      output += to_write;
-      output_len -= to_write;
-      }
-   }
-
-}