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| author | Bert Belder <bertbelder@gmail.com> | 2012-09-21 18:07:08 +0200 |
|---|---|---|
| committer | Fedor Indutny <fedor.indutny@gmail.com> | 2013-02-20 16:49:03 +0400 |
| commit | eb29c4b2e6a294c66375bef19c2aaa9be8655f4a (patch) | |
| tree | 9f49d9eddb2d6b94a145f3e3694946bda576209e | |
| parent | f317f5aee91a2c21d68a9b94b0742d6b45bc44e8 (diff) | |
| download | node-eb29c4b2e6a294c66375bef19c2aaa9be8655f4a.tar.gz | |
openssl: disable HT sidechannel attack mitigation
It used to be off before. It's extremely unlikely that such an attack
would be a viable attack against node. And it makes AES much slower.
| -rwxr-xr-x | deps/openssl/openssl/crypto/aes/asm/aes-586.pl | 4 | ||||
| -rwxr-xr-x | deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/deps/openssl/openssl/crypto/aes/asm/aes-586.pl b/deps/openssl/openssl/crypto/aes/asm/aes-586.pl index 687ed811b..6eb479035 100755 --- a/deps/openssl/openssl/crypto/aes/asm/aes-586.pl +++ b/deps/openssl/openssl/crypto/aes/asm/aes-586.pl @@ -2054,8 +2054,8 @@ my $mark=&DWP(76+240,"esp"); # copy of aes_key->rounds &test ($s2,15); &jnz (&label("slow_way")); if (!$x86only) { - &bt (&DWP(0,$s0),28); # check for hyper-threading bit - &jc (&label("slow_way")); + #&bt (&DWP(0,$s0),28); # check for hyper-threading bit + #&jc (&label("slow_way")); } # pre-allocate aligned stack frame... &lea ($acc,&DWP(-80-244,"esp")); diff --git a/deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl b/deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl index 34cbb5d84..9fa4ff5a6 100755 --- a/deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl +++ b/deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl @@ -1684,8 +1684,8 @@ AES_cbc_encrypt: jb .Lcbc_slow_prologue test \$15,%rdx jnz .Lcbc_slow_prologue - bt \$28,%r10d - jc .Lcbc_slow_prologue + #bt \$28,%r10d + #jc .Lcbc_slow_prologue # allocate aligned stack frame... lea -88-248(%rsp),$key |