1 files changed, 2 insertions, 2 deletions
diff --git a/src/pubkey/nr/nr.h b/src/pubkey/nr/nr.h
index 3fe0efeb5..ba7cee8cc 100644
--- a/src/pubkey/nr/nr.h
+++ b/src/pubkey/nr/nr.h
@@ -67,7 +67,7 @@ class BOTAN_DLL NR_Signature_Operation : public PK_Ops::Signature
       u32bit max_input_bits() const { return (q.bits() - 1); }
 
       SecureVector<byte> sign(const byte msg[], u32bit msg_len,
-                              RandomNumberGenerator& rng);
+                              RandomNumberGenerator& rng) const;
    private:
       const BigInt& q;
       const BigInt& x;
@@ -86,7 +86,7 @@ class BOTAN_DLL NR_Verification_Operation : public PK_Ops::Verification
 
       bool with_recovery() const { return true; }
 
-      SecureVector<byte> verify_mr(const byte msg[], u32bit msg_len);
+      SecureVector<byte> verify_mr(const byte msg[], u32bit msg_len) const;
    private:
       const BigInt& q;
       const BigInt& y;