1 files changed, 2 insertions, 2 deletions
diff --git a/src/pubkey/gost_3410/gost_3410.h b/src/pubkey/gost_3410/gost_3410.h
index b10421a02..d3309b8f1 100644
--- a/src/pubkey/gost_3410/gost_3410.h
+++ b/src/pubkey/gost_3410/gost_3410.h
@@ -108,7 +108,7 @@ class BOTAN_DLL GOST_3410_Signature_Operation : public PK_Ops::Signature
       u32bit max_input_bits() const { return order.bits(); }
 
       SecureVector<byte> sign(const byte msg[], u32bit msg_len,
-                              RandomNumberGenerator& rng);
+                              RandomNumberGenerator& rng) const;
 
    private:
       const PointGFp& base_point;
@@ -128,7 +128,7 @@ class BOTAN_DLL GOST_3410_Verification_Operation : public PK_Ops::Verification
       bool with_recovery() const { return false; }
 
       bool verify(const byte msg[], u32bit msg_len,
-                  const byte sig[], u32bit sig_len);
+                  const byte sig[], u32bit sig_len) const;
    private:
       const PointGFp& base_point;
       const PointGFp& public_point;