In the past we have needed the ability to deploy security fixes to our
frontend systems without leaking them in source code or in published
binaries.
This change adds a function that provides some infrastructure for
supporting this in BoringSSL while meeting our internal build needs. We
do not currently have any specific patch that requires this—this is
purely preparation.
Change-Id: I5c64839e86db4e5ea7419a38106d8f88b8e5987e
Reviewed-on: https://boringssl-review.googlesource.com/7849
Reviewed-by: David Benjamin <davidben@google.com>
The getauxval (and friends) code would be filling that in anyway. The default
only serves to enable NEON even if the OS is old enough to be missing getauxval
(and everything else).
Notably, this unbreaks the has_buggy_neon code when __ARM_NEON__ is set, as is
the case in Chrome for Android, as of M50. Before, the default
OPENSSL_armcap_P value was getting in the way.
Arguably, this doesn't make a whole lot of sense. We're saying we'll let the
CPU run compiler-generated NEON code, but not our hand-crafted stuff. But, so
far, we only have evidence of the hand-written NEON tickling the bug and not
the compiler-generated stuff, so avoid the unintentional regression. (Naively,
I would expect the hand-crafted NEON is better at making full use of the
pipeline and is thus more likely to tickle the CPU bug.)
This is not the fix for M50, as in the associated Chromium bug, but it will fix
master and M51. M50 will instead want to revert
https://codereview.chromium.org/1730823002.
BUG=chromium:606629
Change-Id: I394f97fea2f09891dd8fa30e0ec6fc6b1adfab7a
Reviewed-on: https://boringssl-review.googlesource.com/7794
Reviewed-by: Adam Langley <agl@google.com>
This depends on https://codereview.chromium.org/1730823002/. The bit was only
ever targetted to one (rather old) CPU. Disable NEON on it uniformly, so we
don't have to worry about whether any new NEON code breaks it.
BUG=589200
Change-Id: Icc7d17d634735aca5425fe0a765ec2fba3329326
Reviewed-on: https://boringssl-review.googlesource.com/7211
Reviewed-by: Adam Langley <agl@google.com>
With these stubs, cURL should not need any BoringSSL #ifdefs at all,
except for their OCSP #ifdefs (which can switch to the more generally
useful OPENSSL_NO_OCSP) and the workaround for wincrypt.h macro
collisions. That we intentionally leave to the consumer rather than add
a partial hack that makes the build sensitive to include order.
(I'll send them a patch upstream once this cycles in.)
Change-Id: I815fe67e51e80e9aafa9b91ae68867ca1ff1d623
Reviewed-on: https://boringssl-review.googlesource.com/6980
Reviewed-by: Adam Langley <agl@google.com>
Initialization by multiple consumers on ARM is still problematic due to
CRYPTO_set_NEON_{capable,functional}, until we reimplement that in-library, but
if that is called before the first CRYPTO_library_init, this change makes it
safe.
BUG=556462
Change-Id: I5845d09cca909bace8293ba7adf09a3bd0d4f943
Reviewed-on: https://boringssl-review.googlesource.com/6519
Reviewed-by: Adam Langley <agl@google.com>
There's a few things that will be kind of a nuisance and possibly not worth it
(crypto/asn1 dumps a lot of undeclared things, etc.). But it caught some
mistakes. Even without the warning, making sure to include the externs before
defining a function helps catch type mismatches.
Change-Id: I3dab282aaba6023e7cebc94ed7a767a5d7446b08
Reviewed-on: https://boringssl-review.googlesource.com/6484
Reviewed-by: Adam Langley <agl@google.com>
Some ARM environments don't support |getauxval| or signals and need to
configure the capabilities of the chip at compile time. This change adds
defines that allow them to do so.
Change-Id: I4e6987f69dd13444029bc7ac7ed4dbf8fb1faa76
Reviewed-on: https://boringssl-review.googlesource.com/6280
Reviewed-by: Adam Langley <agl@google.com>
arm_arch.h is included from ARM asm files, but lives in crypto/, not
openssl/include/. Since the asm files are often built from a different
location than their position in the source tree, relative include paths
are unlikely to work so, rather than having crypto/ be a de-facto,
second global include path, this change moves arm_arch.h to
include/openssl/.
It also removes entries from many include paths because they should be
needed as relative includes are always based on the locations of the
source file.
Change-Id: I638ff43d641ca043a4fc06c0d901b11c6ff73542
Reviewed-on: https://boringssl-review.googlesource.com/5746
Reviewed-by: Adam Langley <agl@google.com>
SSLeay is a compatibility function for OpenSSL, but I got it wrong. It
doesn't return a string, it returns a number. This doesn't end up making
any difference, but it fixes a warning when building OpenSSH.
Change-Id: I327ab4f70313c93c18f81d8804ba4acdc3bc1a4a
Reviewed-on: https://boringssl-review.googlesource.com/4811
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
OpenSSH, especially, does some terrible things that mean that it needs
the EVP_CIPHER structure to be exposed ☹. Damian is open to a better API
to replace this, but only if OpenSSL agree too. Either way, it won't be
happening soon.
Change-Id: I393b7a6af6694d4d2fe9ebcccd40286eff4029bd
Reviewed-on: https://boringssl-review.googlesource.com/4330
Reviewed-by: Adam Langley <agl@google.com>
This is an initial cut at aarch64 support. I have only qemu to test it
however—hopefully hardware will be coming soon.
This also affects 32-bit ARM in that aarch64 chips can run 32-bit code
and we would like to be able to take advantage of the crypto operations
even in 32-bit mode. AES and GHASH should Just Work in this case: the
-armx.pl files can be built for either 32- or 64-bit mode based on the
flavour argument given to the Perl script.
SHA-1 and SHA-256 don't work like this however because they've never
support for multiple implementations, thus BoringSSL built for 32-bit
won't use the SHA instructions on an aarch64 chip.
No dedicated ChaCha20 or Poly1305 support yet.
Change-Id: Ib275bc4894a365c8ec7c42f4e91af6dba3bd686c
Reviewed-on: https://boringssl-review.googlesource.com/2801
Reviewed-by: Adam Langley <agl@google.com>
Chromium does not like static initializers, and the CPU logic uses one to
initialize CPU bits. However, the crypto library lacks an explicit
initialization function, which could complicate (no compile-time errors)
porting existing code which uses crypto/, but not ssl/.
Add an explicit CRYPTO_library_init function, but make it a no-op by default.
It only does anything (and is required) if building with
BORINGSSL_NO_STATIC_INITIALIZER.
Change-Id: I6933bdc3447fb382b1f87c788e5b8142d6f3fe39
Reviewed-on: https://boringssl-review.googlesource.com/1770
Reviewed-by: Adam Langley <agl@google.com>
