1 files changed, 3 insertions, 5 deletions
diff --git a/src/block/cast/cast256.h b/src/block/cast/cast256.h
index 2f2beef47..4f31f187d 100644
--- a/src/block/cast/cast256.h
+++ b/src/block/cast/cast256.h
@@ -21,19 +21,17 @@ class BOTAN_DLL CAST_256 : public Block_Cipher_Fixed_Params<16, 4, 32, 4>
       void encrypt_n(const byte in[], byte out[], size_t blocks) const;
       void decrypt_n(const byte in[], byte out[], size_t blocks) const;
 
-      void clear() { zeroise(MK); zeroise(RK); }
+      void clear() { MK.clear(); RK.clear(); }
       std::string name() const { return "CAST-256"; }
       BlockCipher* clone() const { return new CAST_256; }
-
-      CAST_256() : MK(48), RK(48) {}
    private:
       void key_schedule(const byte[], size_t);
 
       static const u32bit KEY_MASK[192];
       static const byte   KEY_ROT[32];
 
-      SecureVector<u32bit> MK;
-      SecureVector<byte> RK;
+      secure_vector<u32bit> MK;
+      secure_vector<byte> RK;
    };
 
 extern const u32bit CAST_SBOX1[256];