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[PATCH v3 3/4] sha512sum: use kernel crypto API
From: |
Matteo Croce |
Subject: |
[PATCH v3 3/4] sha512sum: use kernel crypto API |
Date: |
Sat, 28 Apr 2018 15:32:57 +0200 |
Use AF_ALG for sha384 and sha512 too
Signed-off-by: Matteo Croce <address@hidden>
---
lib/sha512.c | 32 ++++++++++++++++++++++++++++++--
modules/crypto/sha512 | 6 +++++-
2 files changed, 35 insertions(+), 3 deletions(-)
diff --git a/lib/sha512.c b/lib/sha512.c
index 8a6dd4e83..72e5fdd24 100644
--- a/lib/sha512.c
+++ b/lib/sha512.c
@@ -32,6 +32,10 @@
#include <stdlib.h>
#include <string.h>
+#ifdef HAVE_LINUX_IF_ALG_H
+# include "af_alg.h"
+#endif
+
#if USE_UNLOCKED_IO
# include "unlocked-io.h"
#endif
@@ -185,8 +189,20 @@ sha512_stream (FILE *stream, void *resblock)
{
struct sha512_ctx ctx;
size_t sum;
+ char *buffer;
+
+#ifdef HAVE_LINUX_IF_ALG_H
+ int ret;
+
+ ret = afalg_stream(stream, resblock, "sha512", SHA512_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;
@@ -256,8 +272,20 @@ sha384_stream (FILE *stream, void *resblock)
{
struct sha512_ctx ctx;
size_t sum;
+ char *buffer;
+
+#ifdef HAVE_LINUX_IF_ALG_H
+ int ret;
+
+ ret = afalg_stream(stream, resblock, "sha384", SHA384_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;
diff --git a/modules/crypto/sha512 b/modules/crypto/sha512
index 4c97604cd..6d0dd1019 100644
--- a/modules/crypto/sha512
+++ b/modules/crypto/sha512
@@ -5,8 +5,11 @@ Files:
lib/gl_openssl.h
lib/sha512.h
lib/sha512.c
+lib/af_alg.h
+lib/af_alg.c
m4/gl-openssl.m4
m4/sha512.m4
+m4/linux-if-alg.m4
Depends-on:
extern-inline
@@ -16,9 +19,10 @@ u64
configure.ac:
gl_SHA512
+gl_LINUX_IF_ALG_H
Makefile.am:
-lib_SOURCES += sha512.c
+lib_SOURCES += sha512.c af_alg.c
Include:
"sha512.h"
--
2.14.3