digest: make it multi-instance

Now you need to call digest_alloc and when you finish to use it digest_free.

We need this for upcomming aes encryption support and secure boot
as we will need multiple instance of the same digest.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/commands/digest.c b/commands/digest.c
index bad7d3f094..c6a2751356 100644
--- a/commands/digest.c
+++ b/commands/digest.c
@@ -33,7 +33,7 @@ static int do_digest(char *algorithm, int argc, char *argv[])
 	int i;
 	unsigned char *hash;
 
-	d = digest_get_by_name(algorithm);
+	d = digest_alloc(algorithm);
 	BUG_ON(!d);
 
 	if (argc < 2)
@@ -71,6 +71,7 @@ static int do_digest(char *algorithm, int argc, char *argv[])
 	}
 
 	free(hash);
+	digest_free(d);
 
 	return ret;
 }