1 files changed, 7 insertions, 7 deletions
diff --git a/src/block/rc2/rc2.h b/src/block/rc2/rc2.h
index c16680347..4addf22ed 100644
--- a/src/block/rc2/rc2.h
+++ b/src/block/rc2/rc2.h
@@ -18,25 +18,25 @@ namespace Botan {
 class BOTAN_DLL RC2 : public BlockCipher
    {
    public:
-      void encrypt_n(const byte in[], byte out[], u32bit blocks) const;
-      void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
+      void encrypt_n(const byte in[], byte out[], size_t blocks) const;
+      void decrypt_n(const byte in[], byte out[], size_t blocks) const;
 
       /**
       * Return the code of the effective key bits
       * @param bits key length
       * @return EKB code
       */
-      static byte EKB_code(u32bit bits);
+      static byte EKB_code(size_t bits);
 
-      void clear() { K.clear(); }
+      void clear() { zeroise(K); }
       std::string name() const { return "RC2"; }
       BlockCipher* clone() const { return new RC2; }
 
-      RC2() : BlockCipher(8, 1, 32) {}
+      RC2() : BlockCipher(8, 1, 32), K(64) {}
    private:
-      void key_schedule(const byte[], u32bit);
+      void key_schedule(const byte[], size_t);
 
-      SecureVector<u16bit, 64> K;
+      SecureVector<u16bit> K;
    };
 
 }