From 2858373e2e096be235840db42293a4d397a49f4b Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Mon, 1 May 2017 12:25:18 +0200
Subject: [PATCH] clean stack properly

---
 src/hashes/chc/chc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hashes/chc/chc.c b/src/hashes/chc/chc.c
index 31e63e6..bff4d80 100644
--- a/src/hashes/chc/chc.c
+++ b/src/hashes/chc/chc.c
@@ -147,11 +147,11 @@ static int chc_compress(hash_state *md, unsigned char *buf)
    for (x = 0; x < cipher_blocksize; x++) {
        md->chc.state[x] ^= T[0][x] ^ T[1][x];
    }
-   XFREE(key);
 #ifdef LTC_CLEAN_STACK
    zeromem(T, sizeof(T));
-   zeromem(&key, sizeof(key));
+   zeromem(key, sizeof(*key));
 #endif
+   XFREE(key);
    return CRYPT_OK;
 }