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, 1 insertions, 1 deletions

diff --git a/src/lib/pubkey/xmss/xmss_wots_parameters.cpp b/src/lib/pubkey/xmss/xmss_wots_parameters.cpp
index b908afeb4..903885d72 100644
--- a/src/lib/pubkey/xmss/xmss_wots_parameters.cpp
+++ b/src/lib/pubkey/xmss/xmss_wots_parameters.cpp
@@ -109,7 +109,7 @@ XMSS_WOTS_Parameters::base_w(size_t value) const
    size_t len_2_bytes = static_cast<size_t>(
       ceil(static_cast<float>(m_len_2 * m_lg_w) / 8.f));
    secure_vector<byte> result;
-   XMSS_Tools::get().concat(result, value, len_2_bytes);
+   XMSS_Tools::concat(result, value, len_2_bytes);
    return base_w(result, m_len_2);
    }