[PATCH 1/4] command: digest: only set the key when specified

[Jean-Christophe PLAGNIOL-VILLARD]

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 commands/digest.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/commands/digest.c b/commands/digest.c
index 876c37a..90e68a1 100644
--- a/commands/digest.c
+++ b/commands/digest.c
@@ -147,10 +147,12 @@ static int do_digest(int argc, char *argv[])
 		}
 	}
 
-	ret = digest_set_key(d, key, keylen);
-	free(tmp_key);
-	if (ret)
-		goto err;
+	if (key) {
+		ret = digest_set_key(d, key, keylen);
+		free(tmp_key);
+		if (ret)
+			goto err;
+	}
 
 	if (sigfile) {
 		sig = tmp_sig = read_file(sigfile, &siglen);
-- 
2.1.4