1 files changed, 12 insertions, 0 deletions
diff --git a/src/lib/stream/chacha/chacha.cpp b/src/lib/stream/chacha/chacha.cpp
index c35363112..66d7ad90d 100644
--- a/src/lib/stream/chacha/chacha.cpp
+++ b/src/lib/stream/chacha/chacha.cpp
@@ -17,6 +17,18 @@ ChaCha::ChaCha(size_t rounds) : m_rounds(rounds)
       throw Invalid_Argument("ChaCha only supports 8, 12 or 20 rounds");
    }
 
+const char* ChaCha::provider() const
+   {
+#if defined(BOTAN_HAS_CHACHA_SSE2)
+   if(CPUID::has_sse2())
+      {
+      return "sse2";
+      }
+#endif
+
+   return "base";
+   }
+
 //static
 void ChaCha::chacha_x4(byte output[64*4], u32bit input[16], size_t rounds)
    {