RT#4530
(Imported from upstream's 7123aa81e9fb19afb11fdf3850662c5f7ff1f19c.)
We've yet to enable this code, but this confirms that we do indeed need
to get our future all-variants stuff working on Windows as well as
Linux and find an AVX2-capable CI setup on each.
The crash here is caused by some win64-only code using %rax as a frame
pointer (perlasm injects a mov rax,rsp in the prologue of every win64
function).
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Check for error return in BN_div_word().
(Imported from upstream's d871284aca5524c85a6460119ac1b1e38f7e19c6.)
This function is only called from crypto/obj to convert strings like
"1.2.3.4.5" to OIDs. We may wish to see about rewriting it just so it's
out of the way.
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These functions are unused. Upstream recently needed to limit recursion
depth on this function in 81f69e5b69b8e87ca5d7080ab643ebda7808542c. It
looks like deeply nested BER constructed strings could cause unbounded
stack usage. Delete the function rather than import the fix.
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These are never used internally or externally. Upstream had some
bugfixes to them recently. Delete them instead.
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This is unused.
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IS_SET and IS_SEQUENCE are extremely bad manners to #define. This also
removes the last reference to STACK_OF(OPENSSL_BLOCK).
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(Imported from upstream's b10c10422a9ec4db426be3ef99031f0807d2ded0,
ff8b6b92f44c682ad78f60c32ec154e0bfabebb2, and
134ab5139a8d41455a81d9fcc31b3edb8a4b2f5c.)
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The weird function thing is a remnant of OpenSSL and I think something
weird involving Windows and symbols exported from dlls. These aren't
exposed in the public API, so have everything point to the tables
directly.
This is in preparation for making built-in EC_GROUPs static. (The static
EC_GROUPs won't be able to call a function wrapper.)
BUG=20
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The old one was written somewhat weirdly.
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I've found that changing the timeout to 10s rather than 1s gives much
more stable numbers.
BUG=82
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A lot of codepaths are unreachable since the EC_GROUP is known to be
blank.
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By using memcpy, GCC can already optimise things so that the compiled
code is identical on x86-64. Thus we don't need to worry about having
different versions for platforms with, and without, strict alignment.
(Thanks to Emil Mikulic.)
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Much of the ClientHello logic queries hello.vers. To avoid it getting
confused, do all modifications right at the end, otherwise
SendClientVersion also affects whether the key share is sent.
Change-Id: I8be2a4a9807ef9ad88af03971ea1c37e4ba36b9c
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In TLS 1.2 and below, the server is not supposed to echo it, but I just
came across a BigIP server which does. Document this so we know to take
care before trying to flip it in the future.
(It's actually kind of odd that it wasn't allowed to be sent given TLS
1.2 makes supported_groups interact with ECDSA client certificates. Ah
well.)
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I didn't look into whether this was reachable, but I assume not. Still,
better to be robust here becasue DH groups are commonly under some
amount of attacker control.
Change-Id: I1e0c33ccf314c73a9d34dd48312f6f7580049ba7
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The server should not be allowed select a protocol that wasn't
advertised. Callers tend to not really notice and act as if some default
were chosen which is unlikely to work very well.
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Since we are eliminating DHE support in TLS, this is just a waste of
bytes.
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These are probably a good idea to ship so long as we have the PSK
callbacks at all, but they're not *completely* standard yet and Android
tests otherwise need updating to know about them. We don't care enough
about PSK to be in a rush to ship them, and taking them out is an easier
default action until then.
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People seem to like adding ifdefs for us for random initialization
functions that are cheap enough to add no-ops stubs for.
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If cert_cb runs asynchronously, we end up repeating a large part of very
stateful ClientHello processing. This seems to be mostly fine and there
are few users of server-side cert_cb (it's a new API in 1.0.2), but it's
a little scary.
This is also visible to external consumers because some callbacks get
called multiple times. We especially should try to avoid that as there
is no guarantee that these callbacks are idempotent and give the same
answer each time.
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Now that ssl_bytes_to_cipher_list is uninteresting, it can be an
implementation detail of ssl3_choose_cipher. This removes a tiny amount
of duplicated TLS 1.2 / TLS 1.3 code.
Change-Id: I116a6bb08bbc43da573d4b7b5626c556e1a7452d
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It's odd that a function like ssl_bytes_to_cipher_list secretly has side
effects all over the place. This removes the need for the TLS 1.3 code
to re-query the version range, and it removes the requirement that the
RI extension be first.
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Between TLS 1.2, TLS 1.3, and the early callback, we've got a lot of
ClientHello parsers. Unify everything on the early callback's parser. As
a side effect, this means we can parse a ClientHello fairly succinctly
from any function which will let us split up ClientHello states where
appropriate.
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This more accurately reflects the documented contract for
|BN_mod_inverse_odd|.
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In OpenSSL 1.1.0, this API has been renamed to gain a BN prefix. Now
that it's no longer squatting on a namespace, provide the function so
wpa_supplicant needn't carry a BoringSSL #ifdef here.
BUG=91
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The name of this has been annoying me every time I've seen it over the
past couple of days. Having a flag with a negation in the name isn't
always bad, but I think this case was.
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The previous code was not an impressive demonstration of clear thinking
and could reject cases where STARTTLS was actually supported.
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This gets cURL building against both BoringSSL as it is and BoringSSL
with OPENSSL_VERSION_NUMBER set to 1.1.0.
BUG=91
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The old one was rather confusing. Switch to returning 1/0 for whether
the padding is publicly invalid and then add an output argument which
returns a constant_time_eq-style boolean.
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Add the following cases:
- Maximal padding
- Maximal padding with each possible byte position wrong.
- When the input is not publicly too short to find a MAC, but the
unpadded value is too short. (This tests that
EVP_tls_cbc_remove_padding and EVP_tls_cbc_copy_mac coordinate
correctly. EVP_tls_cbc_remove_padding promises to also consider it
invalid padding if there is no room for a MAC.)
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This is more progress in letting other stacks use the test runner.
You can provide a per-shim configuration file that includes:
- A list of test patterns to be suppressed (presumably because
they don't work). This setting is ignored if -test is used.
- A translation table of expected errors to shim-specific errors.
BUG=92
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Use a separate |size_t| variable for all logic that happens after the
special casing of the negative values of the signed parameter, to
minimize the amount of mixed signed/unsigned math used.
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There is a comment "Note from a test above this value is guaranteed to
be non-negative". Reorganize the code to make it more clear that that
is actually the case, especially in the case where sLen == -1.
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It was renamed to ticket_liftetime_hint in
1e6f11a7ff, which breaks Qt.
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Initial stab at moving contents of scoped_types.h into
include/openssl/c++ and into the |bssl| namespace.
Started with one file. Will do the remaining ones once this looks good.
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EKR is unlikely to resolve this TODO anytime soon.
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This makes it easier to understand the |sLen|-related logic.
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We handle this correctly but never wrote a test for it. Noticed this in
chatting about the second ClientHello.version bug workaround with Eric
Rescorla.
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The old implementation had a lot of size_t/int confusion. It also
accepted non-minimally-encoded OIDs. Unlike the old implementation, the
new one does not fall back to BIGNUMs and does not attempt to
pretty-print OIDs with components which do not fit in a uint64_t. Add
tests for these cases.
With this new implementation, hopefully we'll have a much easier time
enabling MSVC's size_t truncation warning later.
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This eliminates duplicate logic.
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BN_mod_inverse_odd was always being used on 64-bit platforms and was being used
for all curves with an order of 450 bits or smaller (basically, everything but
P-521). We generally don't care much about minor differences in the speed of
verifying signatures using curves other than P-256 and P-384. It is better to
always use the same algorithm.
This also allows |bn_mod_inverse_general|, |bn_mod_inverse_no_branch|, and
|BN_mod_inverse| to be dropped from programs that can somehow avoid linking in
the RSA key generation and RSA CRT recovery code.
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The main RSA public modulus size of concern is 2048 bits.
bn_mod_inverse_odd is already used for public moduli of 2048 bits and
smaller on 64-bit platforms, so for 64-bit it is a no-op. For 32-bit
x86, this seems to slightly decrease the speed of RSA signing, but not
by a lot, and plus we don't care about RSA signing performance much on
32-bit platforms. It's better to have all platforms using the same
algorithms.
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This is a step towards exposing |bn_mod_inverse_odd| for use outside
of crypto/bn/gcd.c.
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