From 7d27977505dcf038edc3626f5af535a007e188a1 Mon Sep 17 00:00:00 2001
From: miod <>
Date: Sun, 19 Jul 2015 02:21:41 +0000
Subject: Replace `.byte 0x48,0x83,0xEC,0x08' with `sub \$8,%rsp' which is
exactly the same four bytes, unobfuscated.
---
src/lib/libcrypto/aes/asm/aesni-x86_64.pl | 4 ++--
src/lib/libssl/src/crypto/aes/asm/aesni-x86_64.pl | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
(limited to 'src')
diff --git a/src/lib/libcrypto/aes/asm/aesni-x86_64.pl b/src/lib/libcrypto/aes/asm/aesni-x86_64.pl
index 0dbb194b8d..a53204af6c 100644
--- a/src/lib/libcrypto/aes/asm/aesni-x86_64.pl
+++ b/src/lib/libcrypto/aes/asm/aesni-x86_64.pl
@@ -2462,7 +2462,7 @@ $code.=<<___;
.type ${PREFIX}_set_decrypt_key,\@abi-omnipotent
.align 16
${PREFIX}_set_decrypt_key:
- .byte 0x48,0x83,0xEC,0x08 # sub rsp,8
+ sub \$8,%rsp
call __aesni_set_encrypt_key
shl \$4,$bits # rounds-1 after _aesni_set_encrypt_key
test %eax,%eax
@@ -2513,7 +2513,7 @@ $code.=<<___;
.align 16
${PREFIX}_set_encrypt_key:
__aesni_set_encrypt_key:
- .byte 0x48,0x83,0xEC,0x08 # sub rsp,8
+ sub \$8,%rsp
mov \$-1,%rax
test $inp,$inp
jz .Lenc_key_ret
diff --git a/src/lib/libssl/src/crypto/aes/asm/aesni-x86_64.pl b/src/lib/libssl/src/crypto/aes/asm/aesni-x86_64.pl
index 0dbb194b8d..a53204af6c 100644
--- a/src/lib/libssl/src/crypto/aes/asm/aesni-x86_64.pl
+++ b/src/lib/libssl/src/crypto/aes/asm/aesni-x86_64.pl
@@ -2462,7 +2462,7 @@ $code.=<<___;
.type ${PREFIX}_set_decrypt_key,\@abi-omnipotent
.align 16
${PREFIX}_set_decrypt_key:
- .byte 0x48,0x83,0xEC,0x08 # sub rsp,8
+ sub \$8,%rsp
call __aesni_set_encrypt_key
shl \$4,$bits # rounds-1 after _aesni_set_encrypt_key
test %eax,%eax
@@ -2513,7 +2513,7 @@ $code.=<<___;
.align 16
${PREFIX}_set_encrypt_key:
__aesni_set_encrypt_key:
- .byte 0x48,0x83,0xEC,0x08 # sub rsp,8
+ sub \$8,%rsp
mov \$-1,%rax
test $inp,$inp
jz .Lenc_key_ret
--
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