[PATCH 4/4] md5sum: use kernel crypto API

[Matteo Croce]

Use AF_ALG for md5 too

Signed-off-by: Matteo Croce <mcr...@redhat.com>
---
 lib/md5.c          | 14 +++++++++++++-
 modules/crypto/md5 |  5 ++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/lib/md5.c b/lib/md5.c
index 68d00a6c7..8a70ddba1 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -36,6 +36,8 @@
 # include "unlocked-io.h"
 #endif
 
+#include "af_alg.h"
+
 #ifdef _LIBC
 # include <endian.h>
 # if __BYTE_ORDER == __BIG_ENDIAN
@@ -143,7 +145,17 @@ md5_stream (FILE *stream, void *resblock)
   struct md5_ctx ctx;
   size_t sum;
 
-  char *buffer = malloc (BLOCKSIZE + 72);
+  int ret;
+  char *buffer;
+
+  ret = afalg_stream(stream, resblock, "md5", MD5_DIGEST_SIZE);
+  if (!ret)
+      return 0;
+
+  if (ret == -EIO)
+      return 1;
+
+  buffer = malloc (BLOCKSIZE + 72);
   if (!buffer)
     return 1;
 
diff --git a/modules/crypto/md5 b/modules/crypto/md5
index e5fb39ced..6f22f12f0 100644
--- a/modules/crypto/md5
+++ b/modules/crypto/md5
@@ -5,6 +5,8 @@ Files:
 lib/gl_openssl.h
 lib/md5.h
 lib/md5.c
+lib/af_alg.h
+lib/af_alg.c
 m4/gl-openssl.m4
 m4/md5.m4
 
@@ -17,10 +19,11 @@ configure.ac:
 gl_MD5
 
 Makefile.am:
-lib_SOURCES += md5.c
+lib_SOURCES += md5.c af_alg.c
 
 Include:
 "md5.h"
+"af_alg.h"
 
 Link:
 $(LIB_CRYPTO)
-- 
2.14.3