Add new helper zap which zeros a vector, clears it, and then calls

shrink_to_fit to actually deallocate memory.

1 files changed, 5 insertions, 0 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);
+   }
+
 }