openwrt/package/libs/mbedtls/patches/300-bn_mul.h-Use-optimized-MULADDC-code-only-on-ARM-6.patch
Stijn Segers 1447924c95 mbedtls: update to 2.14.1 for 18.06
Updates mbedtls to 2.14.1. This builds on the previous master commit 7849f74117.

Fixes in 2.13.0:
* Fixed a security issue in the X.509 module which could lead to a buffer overread during certificate extensions parsing.
* Several bugfixes.
* Improvements for better support for DTLS on low-bandwidth, high latency networks with high packet loss.

Fixes in 2.14.1:
* CVE-2018-19608: Local timing attack on RSA decryption

Includes master commit 9e7c4702a1 'mbedtls: fix compilation on ARM < 6'.

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

[Update to 2.14.1]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

[Adapted and squashed for 18.06.1+]
Signed-off-by: Stijn Segers <foss@volatilesystems.org>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
2019-01-30 10:16:19 +01:00

28 lines
956 B
Diff

From 7aff5a70f3580426865b6c86437a3e47546d13f7 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 16 Dec 2018 13:02:49 +0100
Subject: [PATCH] bn_mul.h: Use optimized MULADDC code only on ARM >= 6
The optimized code uses umaal which was only introduced with ARMv6 and
is not available on older versions.
This broke compilation with arm926ej-s CPU for me.
Fixes: 16b1bd89326 ("bn_mul.h: add ARM DSP optimized MULADDC code")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
include/mbedtls/bn_mul.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/include/mbedtls/bn_mul.h
+++ b/include/mbedtls/bn_mul.h
@@ -638,7 +638,8 @@
"r6", "r7", "r8", "r9", "cc" \
);
-#elif defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
+#elif defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1) && \
+ __TARGET_ARCH_ARM >= 6
#define MULADDC_INIT \
asm(