openssl/Fix-AES-GCM-bug-on-aarch64-BigEndian.patch

78 lines
2.5 KiB
Diff

From b11aa831cfe09befe3fb3229ca46a4a59352de34 Mon Sep 17 00:00:00 2001
From: simplelins <a735862152@163.com>
Date: Fri, 3 Jan 2020 22:56:18 +0800
Subject: [PATCH 087/147] Fix AES-GCM bug on aarch64 BigEndian
Fixes #10638
Fixes #13188
Fixes a bug for aarch64 bigendian with instructions 'st1' and 'ld1' on AES-GCM mode.
CLA: trivial
(cherry picked from commit bc8b648f744566031ce84d77333dbbcb9689e975)
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13193)
---
crypto/aes/asm/aesv8-armx.pl | 10 +++++++++-
crypto/modes/modes_local.h | 7 +++++--
2 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/crypto/aes/asm/aesv8-armx.pl b/crypto/aes/asm/aesv8-armx.pl
index d6068db..f42f7bd 100755
--- a/crypto/aes/asm/aesv8-armx.pl
+++ b/crypto/aes/asm/aesv8-armx.pl
@@ -183,7 +183,12 @@ $code.=<<___;
.Loop192:
vtbl.8 $key,{$in1},$mask
vext.8 $tmp,$zero,$in0,#12
+#ifdef __ARMEB__
+ vst1.32 {$in1},[$out],#16
+ sub $out,$out,#8
+#else
vst1.32 {$in1},[$out],#8
+#endif
aese $key,$zero
subs $bits,$bits,#1
@@ -715,8 +720,11 @@ $code.=<<___;
ldr $rounds,[$key,#240]
ldr $ctr, [$ivp, #12]
+#ifdef __ARMEB__
+ vld1.8 {$dat0},[$ivp]
+#else
vld1.32 {$dat0},[$ivp]
-
+#endif
vld1.32 {q8-q9},[$key] // load key schedule...
sub $rounds,$rounds,#4
mov $step,#16
diff --git a/crypto/modes/modes_local.h b/crypto/modes/modes_local.h
index 28c32c0..8881416 100644
--- a/crypto/modes/modes_local.h
+++ b/crypto/modes/modes_local.h
@@ -63,12 +63,15 @@ typedef u32 u32_a1;
asm ("bswapl %0" \
: "+r"(ret_)); ret_; })
# elif defined(__aarch64__)
-# define BSWAP8(x) ({ u64 ret_; \
+# if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
+ __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
+# define BSWAP8(x) ({ u64 ret_; \
asm ("rev %0,%1" \
: "=r"(ret_) : "r"(x)); ret_; })
-# define BSWAP4(x) ({ u32 ret_; \
+# define BSWAP4(x) ({ u32 ret_; \
asm ("rev %w0,%w1" \
: "=r"(ret_) : "r"(x)); ret_; })
+# endif
# elif (defined(__arm__) || defined(__arm)) && !defined(STRICT_ALIGNMENT)
# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \
asm ("rev %0,%0; rev %1,%1" \
--
1.8.3.1