Make RandomNumberGenerator::is_seeded pure virtual

1 files changed, 1 insertions, 1 deletions

diff --git a/include/base.h b/include/base.h
index 2ad71af70..c766df0e0 100644
--- a/include/base.h
+++ b/include/base.h
@@ -156,7 +156,7 @@ class RandomNumberGenerator
    {
    public:
       virtual void randomize(byte[], u32bit) throw(PRNG_Unseeded) = 0;
-      virtual bool is_seeded() const { return true; }
+      virtual bool is_seeded() const = 0;
       virtual void clear() throw() {};
 
       void add_entropy(const byte[], u32bit);