1 files changed, 13 insertions, 0 deletions
diff --git a/src/lib/pubkey/xmss/xmss_wots_publickey.cpp b/src/lib/pubkey/xmss/xmss_wots_publickey.cpp
index aa0240be8..9a7df1682 100644
--- a/src/lib/pubkey/xmss/xmss_wots_publickey.cpp
+++ b/src/lib/pubkey/xmss/xmss_wots_publickey.cpp
@@ -8,6 +8,7 @@
  * Botan is released under the Simplified BSD License (see license.txt)
  **/
 
+#include <botan/internal/xmss_wots_verification_operation.h>
 #include <botan/xmss_wots_publickey.h>
 
 namespace Botan {
@@ -63,4 +64,16 @@ XMSS_WOTS_PublicKey::pub_key_from_signature(const secure_vector<byte>& msg,
    return result;
    }
 
+std::unique_ptr<PK_Ops::Verification>
+XMSS_WOTS_PublicKey::create_verification_op(const std::string&,
+                                            const std::string& provider) const
+   {
+   if(provider == "base" || provider.empty())
+      {
+      return std::unique_ptr<PK_Ops::Verification>(
+         new XMSS_WOTS_Verification_Operation(*this));
+      }
+   throw Provider_Not_Found(algo_name(), provider);
+   }
+
 }