2 files changed, 6 insertions, 1 deletions
diff --git a/src/block/xtea/xtea.cpp b/src/block/xtea/xtea.cpp
index b0c976b36..165a6ea6a 100644
--- a/src/block/xtea/xtea.cpp
+++ b/src/block/xtea/xtea.cpp
@@ -138,4 +138,9 @@ void XTEA::key_schedule(const byte key[], size_t)
       }
    }
 
+void XTEA::clear()
+   {
+   zap(EK);
+   }
+
 }
diff --git a/src/block/xtea/xtea.h b/src/block/xtea/xtea.h
index 1d86bf5ce..42acc35a5 100644
--- a/src/block/xtea/xtea.h
+++ b/src/block/xtea/xtea.h
@@ -21,7 +21,7 @@ class BOTAN_DLL XTEA : public Block_Cipher_Fixed_Params<8, 16>
       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() { EK.clear(); }
+      void clear();
       std::string name() const { return "XTEA"; }
       BlockCipher* clone() const { return new XTEA; }
    protected: