Implements changes from XMSS review

- Removes custom XMSS_Hash assignment operator.
- Changes mutex type used in XMSS_Index_Registryfrom std::mutex to
  Botan::mutex_type, changes lock_guard accordingly.
- Removes singleton and endianess detection from XMSS_Tools, changes
  XMSS_Tools::concat() to be a static method.
- XMSS/XMSS_WOTS check_key() now always returns true.

1 files changed, 0 insertions, 9 deletions

diff --git a/src/lib/pubkey/xmss/xmss_hash.cpp b/src/lib/pubkey/xmss/xmss_hash.cpp
index 15cdab509..2dfcabbbc 100644
--- a/src/lib/pubkey/xmss/xmss_hash.cpp
+++ b/src/lib/pubkey/xmss/xmss_hash.cpp
@@ -76,13 +76,4 @@ XMSS_Hash::h_msg(const secure_vector<byte>& randomness,
    return m_msg_hash->final();
    }
 
-XMSS_Hash& XMSS_Hash::operator=(XMSS_Hash hash)
-   {
-   std::swap(m_hash, hash.m_hash);
-   std::swap(m_msg_hash, hash.m_msg_hash);
-   std::swap(m_output_length, hash.m_output_length);
-   std::swap(m_zero_padding, hash.m_zero_padding);
-   return *this;
-   }
-
 }