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| author | Bert Belder <bertbelder@gmail.com> | 2012-09-21 18:07:08 +0200 |
|---|---|---|
| committer | isaacs <i@izs.me> | 2012-09-25 08:51:03 -0700 |
| commit | 66638a4435b5ccd46277019fea58794f04c82deb (patch) | |
| tree | f957ab229a9cefb17a36dd99caa784b9d77cc1b9 | |
| parent | d2fb507556498b9450b6397ac17e821edcab9a68 (diff) | |
| download | node-66638a4435b5ccd46277019fea58794f04c82deb.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 aab40e6f1..fed3150f8 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 a545e892a..83aad2354 100755 --- a/deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl +++ b/deps/openssl/openssl/crypto/aes/asm/aes-x86_64.pl @@ -1674,8 +1674,8 @@ 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 |