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-rw-r--r--src/crypto/mac/ghash/builtin/ghash_builtin.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/crypto/mac/ghash/builtin/ghash_builtin.c b/src/crypto/mac/ghash/builtin/ghash_builtin.c
index 34e118a..a243b2a 100644
--- a/src/crypto/mac/ghash/builtin/ghash_builtin.c
+++ b/src/crypto/mac/ghash/builtin/ghash_builtin.c
@@ -126,7 +126,10 @@ static bool ghash_hash(fastd_context_t *ctx UNUSED, const fastd_mac_state_t *sta
}
static void ghash_free_state(fastd_context_t *ctx UNUSED, fastd_mac_state_t *state) {
- free(state);
+ if (state) {
+ secure_memzero(state, sizeof(*state));
+ free(state);
+ }
}
static void ghash_free(fastd_context_t *ctx UNUSED, fastd_mac_context_t *mctx UNUSED) {