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authorMattias Andrée <maandree@kth.se>2019-02-11 16:22:00 +0100
committerMattias Andrée <maandree@kth.se>2019-02-11 16:22:00 +0100
commit5ff4c5af715d098852d124de116d354ee10f4ea4 (patch)
tree5789ad5798f2dbf21d9406a2942e48b222f773ae /libkeccak_state_wipe_message.c
parentRemove old file (diff)
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Split most .c files into one per function and flatten file hierarchy
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libkeccak_state_wipe_message.c')
-rw-r--r--libkeccak_state_wipe_message.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/libkeccak_state_wipe_message.c b/libkeccak_state_wipe_message.c
new file mode 100644
index 0000000..d6bc8a0
--- /dev/null
+++ b/libkeccak_state_wipe_message.c
@@ -0,0 +1,17 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+/**
+ * Wipe data in the state's message wihout freeing any data
+ *
+ * @param state The state that should be wipe
+ */
+void
+libkeccak_state_wipe_message(volatile libkeccak_state_t *restrict state)
+{
+ volatile char *restrict M = state->M;
+ size_t i;
+ for (i = 0; i < state->mptr; i++)
+ M[i] = 0;
+}