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, 3 insertions, 2 deletions

diff --git a/common/password.c b/common/password.c
index 16061095a8..4c33152dbe 100644
--- a/common/password.c
+++ b/common/password.c
@@ -280,7 +280,7 @@ static int __check_passwd(unsigned char* passwd, size_t length, int std)
 	unsigned char *passwd2_sum;
 	int ret = 0;
 
-	d = digest_get_by_name(PASSWD_SUM);
+	d = digest_alloc(PASSWD_SUM);
 
 	passwd1_sum = calloc(digest_length(d), sizeof(unsigned char));
 
@@ -315,6 +315,7 @@ err2:
 	free(passwd2_sum);
 err1:
 	free(passwd1_sum);
+	digest_free(d);
 
 	return ret;
 }
@@ -347,7 +348,7 @@ int set_env_passwd(unsigned char* passwd, size_t length)
 	unsigned char *passwd_sum;
 	int ret;
 
-	d = digest_get_by_name(PASSWD_SUM);
+	d = digest_alloc(PASSWD_SUM);
 
 	passwd_sum = calloc(digest_length(d), sizeof(unsigned char));