1 files changed, 20 insertions, 0 deletions
diff --git a/C/HF/chap7/xor.c b/C/HF/chap7/xor.c
new file mode 100644
index 0000000..0efa3a4
--- /dev/null
+++ b/C/HF/chap7/xor.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include "xor.h"
+
+void xor42(char *message)
+{
+	printf("Orig: %s\n", message);
+	while (*message) {
+		*message = *message ^ 42;
+		message++;
+	}
+}
+
+void xor64(char *message)
+{
+	printf("Orig: %s\n", message);
+	while (*message) {
+		*message = *message ^ 64;
+		message++;
+	}
+}