md5sum: use kernel crypto API

Use AF_ALG for md5 too

Signed-off-by: Matteo Croce <mcroce@redhat.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/lib/md5.c b/lib/md5.c
index 68d00a6c7e..307abbbe7a 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -32,6 +32,10 @@
 #include <string.h>
 #include <sys/types.h>
 
+#ifdef HAVE_LINUX_IF_ALG_H
+# include "af_alg.h"
+#endif
+
 #if USE_UNLOCKED_IO
 # include "unlocked-io.h"
 #endif
@@ -142,8 +146,20 @@ md5_stream (FILE *stream, void *resblock)
 {
   struct md5_ctx ctx;
   size_t sum;
+  char *buffer;
+
+#ifdef HAVE_LINUX_IF_ALG_H
+  int ret;
+
+  ret = afalg_stream(stream, resblock, "md5", MD5_DIGEST_SIZE);
+  if (!ret)
+      return 0;
+
+  if (ret == -EIO)
+      return 1;
+#endif
 
-  char *buffer = malloc (BLOCKSIZE + 72);
+  buffer = malloc (BLOCKSIZE + 72);
   if (!buffer)
     return 1;