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-rw-r--r--engines/ccgost/gost_crypt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/ccgost/gost_crypt.c b/engines/ccgost/gost_crypt.c
index e02ad20326..9f1bf9adbe 100644
--- a/engines/ccgost/gost_crypt.c
+++ b/engines/ccgost/gost_crypt.c
@@ -565,7 +565,7 @@ int gost_imit_init_cpa(EVP_MD_CTX *ctx)
static void mac_block_mesh(struct ossl_gost_imit_ctx *c,const unsigned char *data)
{
- char buffer[8];
+ unsigned char buffer[8];
/* We are using local buffer for iv because CryptoPro doesn't
* interpret internal state of MAC algorithm as iv during keymeshing
* (but does initialize internal state from iv in key transport