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-rw-r--r--util-src/hashes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util-src/hashes.c b/util-src/hashes.c
index ad25c1a7..33041e83 100644
--- a/util-src/hashes.c
+++ b/util-src/hashes.c
@@ -79,7 +79,7 @@ static void hmac(struct hash_desc *desc, const char *key, size_t key_len,
};
int i;
- char hashedKey[64]; /* Maximum used digest length */
+ unsigned char hashedKey[64]; /* Maximum used digest length */
union xory k_ipad, k_opad;
if (key_len > 64) {