Even if imaevm_get_hash_algo() returns an error value of -1, it is
forced to be converted to uint8_t type here, resulting in this error
not being checked by the if condition. This patch fixes this error.
Signed-off-by: Tianjia Zhang <tianjia.zh...@linux.alibaba.com>
---
src/libimaevm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/libimaevm.c b/src/libimaevm.c
index e6947d7..a9419ee 100644
--- a/src/libimaevm.c
+++ b/src/libimaevm.c
@@ -922,7 +922,7 @@ static int sign_hash_v2(const char *algo, const unsigned
char *hash,
hdr->version = (uint8_t) DIGSIG_VERSION_2;
hdr->hash_algo = imaevm_get_hash_algo(algo);
- if (hdr->hash_algo == -1) {
+ if (hdr->hash_algo == (uint8_t)-1) {
log_err("sign_hash_v2: hash algo is unknown: %s\n", algo);
return -1;
}
--
2.17.1
