1 files changed, 4 insertions, 2 deletions
diff --git a/src/lib/stream/chacha/chacha.h b/src/lib/stream/chacha/chacha.h
index ab28f9563..34b8bbb87 100644
--- a/src/lib/stream/chacha/chacha.h
+++ b/src/lib/stream/chacha/chacha.h
@@ -47,10 +47,12 @@ class BOTAN_DLL ChaCha final : public StreamCipher
    private:
       void key_schedule(const byte key[], size_t key_len) override;
 
-      void chacha(byte output[64], const u32bit input[16], size_t rounds);
+      void incr_state_counter(size_t howmany);
+
+      void chacha_x4(byte output[64*4], u32bit state[16], size_t rounds);
 
 #if defined(BOTAN_TARGET_SUPPORTS_SSE2)
-      void chacha_sse2(byte output[64], const u32bit input[16], size_t rounds);
+      void chacha_sse2_x4(byte output[64*4], u32bit state[16], size_t rounds);
 #endif
 
       size_t m_rounds;