Make the DRBG hash selectable in build.h with BOTAN_AUTO_RNG_DRBG_HASH_FUNCTION

Add some missing overrides

2 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/rng/hmac_drbg/hmac_drbg.h b/src/lib/rng/hmac_drbg/hmac_drbg.h
index d7a1d76aa..f52ae9de1 100644
--- a/src/lib/rng/hmac_drbg/hmac_drbg.h
+++ b/src/lib/rng/hmac_drbg/hmac_drbg.h
@@ -28,10 +28,10 @@ class BOTAN_DLL HMAC_DRBG final : public Stateful_RNG
 
       void clear() override;
 
-      void randomize(byte output[], size_t output_len);
+      void randomize(byte output[], size_t output_len) override;
 
       void randomize_with_input(byte output[], size_t output_len,
-                                const byte input[], size_t input_len);
+                                const byte input[], size_t input_len) override;
 
       void add_entropy(const byte input[], size_t input_len) override;
    private:
diff --git a/src/lib/rng/rng.cpp b/src/lib/rng/rng.cpp
index 218b9c842..526693561 100644
--- a/src/lib/rng/rng.cpp
+++ b/src/lib/rng/rng.cpp
@@ -112,7 +112,7 @@ RandomNumberGenerator* RandomNumberGenerator::make_rng()
 
 AutoSeeded_RNG::AutoSeeded_RNG(size_t max_bytes_before_reseed)
    {
-   m_rng.reset(new HMAC_DRBG("SHA-384", max_bytes_before_reseed));
+   m_rng.reset(new HMAC_DRBG(BOTAN_AUTO_RNG_DRBG_HASH_FUNCTION, max_bytes_before_reseed));
    size_t bits = m_rng->reseed(384);
    if(!m_rng->is_seeded())
       {