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clang scan-build is annoyed it's not obvious the sizeof line matches the
pointer type. This is easy to fix and makes it be quiet.
Change-Id: Iec80d2a087f81179c88cae300f56d3f76b32b347
Reviewed-on: https://boringssl-review.googlesource.com/6701
Reviewed-by: Adam Langley <agl@google.com>
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This callback is never used. The one caller I've ever seen is in Android
code which isn't built with BoringSSL and it was a no-op.
It also doesn't actually make much sense. A callback cannot reasonably
assume that it sees every, say, SSL_CTX created because the index may be
registered after the first SSL_CTX is created. Nor is there any point in
an EX_DATA consumer in one file knowing about an SSL_CTX created in
completely unrelated code.
Replace all the pointers with a typedef to int*. This will ensure code
which passes NULL or 0 continues to compile while breaking code which
passes an actual function.
This simplifies some object creation functions which now needn't worry
about CRYPTO_new_ex_data failing. (Also avoids bouncing on the lock, but
it's taking a read lock, so this doesn't really matter.)
BUG=391192
Change-Id: I02893883c6fa8693682075b7b130aa538a0a1437
Reviewed-on: https://boringssl-review.googlesource.com/6625
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I16abea5769737c7edd1be717f9a4f38678af43ce
Reviewed-on: https://boringssl-review.googlesource.com/6564
Reviewed-by: Adam Langley <agl@google.com>
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In some cases it would be good to restrict the input range of scalars
given to |EC_METHOD::mul| to be [0, order-1]. This is a first step
towards that goal.
Change-Id: I58a25db06f6c7a68a0ac1fe79794b04f7a173b23
Reviewed-on: https://boringssl-review.googlesource.com/6562
Reviewed-by: Adam Langley <agl@google.com>
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|EC_GROUP_get0_order| doesn't require any heap allocations and never
fails, so it is much more convenient and more efficient for callers to
call.
Change-Id: Ic60f768875e7bc8e74362dacdb5cbbc6957b05a6
Reviewed-on: https://boringssl-review.googlesource.com/6532
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I9d0b3fa39445d08202c67d905d2c676d5d968c33
Reviewed-on: https://boringssl-review.googlesource.com/6561
Reviewed-by: Adam Langley <agl@google.com>
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Previously, both crypto/dh and crypto/ec defined |TOBN| macros that did
the same thing, but which took their arguments in the opposite order.
This change makes the code consistently use the same macro. It also
makes |STATIC_BIGNUM| available for internal use outside of crypto/bn.
Change-Id: Ide57f6a5b74ea95b3585724c7e1a630c82a864d9
Reviewed-on: https://boringssl-review.googlesource.com/6528
Reviewed-by: Adam Langley <agl@google.com>
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Without |EC_POINTs_mul|, there's never more than one variable point
passed to a |EC_METHOD|'s |mul| method. This allows them to be
simplified considerably. In this commit, the p256-x86_64 implementation
has been simplified to eliminate the heap allocation and looping
related that was previously necessary to deal with the possibility of
there being multiple input points. The other implementations were left
mostly as-is; they should be similarly simplified in the future.
Change-Id: I70751d1d5296be2562af0730e7ccefdba7a1acae
Reviewed-on: https://boringssl-review.googlesource.com/6493
Reviewed-by: Adam Langley <agl@google.com>
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This makes similar fixes as were done in the following OpenSSL commits:
c028254b12a8ea0d0f8a677172eda2e2d78073f3: Correctly set Z_is_one on
the return value in the NISTZ256 implementation.
e22d2199e2a5cc9b243f45c2b633d1e31fadecd7: Error checking and memory
leak leak fixes in NISTZ256.
4446044a793a9103a4bc70c0214005e6a4463767: NISTZ256: set Z_is_one to
boolean 0/1 as is customary.
a4d5269e6d0dba0c276c968448a3576f7604666a: NISTZ256: don't swallow
malloc errors.
The fixes aren't exactly the same. In particular, the comments "This is
an unusual input, we don't guarantee constant-timeness" and the changes
to |ecp_nistz256_mult_precompute| (which isn't in BoringSSL) were
omitted.
Change-Id: Ia7bb982daa62fb328e8bd2d4dd49a8857e104096
Reviewed-on: https://boringssl-review.googlesource.com/6492
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I1663ec6046b8f1f67a62e4c6483af719d6f362ad
Reviewed-on: https://boringssl-review.googlesource.com/6486
Reviewed-by: Adam Langley <agl@google.com>
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This moves us closer to having |EC_GROUP| and |EC_KEY| being immutable.
The functions are left as no-ops for backward compatibility.
Change-Id: Ie23921ab0364f0771c03aede37b064804c9f69e0
Reviewed-on: https://boringssl-review.googlesource.com/6485
Reviewed-by: Adam Langley <agl@google.com>
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This extends 9f1f04f31359330702451bc74ab98dca3abca602 to the other
implementations.
|EC_GFp_nistp224_method| and |EC_GFp_nistp256_method| are not marked
|OPENSSL_EXPORT|. |EC_GROUP_set_generator| doesn't allow the generator
to be changed for any |EC_GROUP| for built-in curves. Consequently,
there's no way (except some kind of terrible abuse) that this code
could be executed with a non-default generator.
Change-Id: I5d9b6be4e6f9d384159cb3d708390a8e3c69f23f
Reviewed-on: https://boringssl-review.googlesource.com/6489
Reviewed-by: Adam Langley <agl@google.com>
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|EC_POINT_point2oct| would encode ∞, which is surprising, and
|EC_POINT_oct2point| would decode ∞, which is insane. This change
removes both behaviours.
Thanks to Brian Smith for pointing it out.
Change-Id: Ia89f257dc429a69b9ea7b7b15f75454ccc9c3bdd
Reviewed-on: https://boringssl-review.googlesource.com/6488
Reviewed-by: Adam Langley <agl@google.com>
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In the case of a compressed point, the decompression ensures that the
point is on the curve. In the uncompressed case,
|EC_POINT_set_affine_coordinates_GFp| checks that the point is on the
curve as of 38feb990a183362397ebc62774cc07374d146c83.
Change-Id: Icd69809ae396838b4aef4fa89b3b354560afed55
Reviewed-on: https://boringssl-review.googlesource.com/6487
Reviewed-by: Brian Smith <brian@briansmith.org>
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I1820bd5412313e00a69123370178c0fe3e12b5ef
Reviewed-on: https://boringssl-review.googlesource.com/6482
Reviewed-by: Adam Langley <agl@google.com>
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This regressed in f0523e9f2046a249210c6dd86fdcbe069ea9912d.
Change-Id: I70c3fcb0d91ac00e5088b086312384756eda6140
Reviewed-on: https://boringssl-review.googlesource.com/6481
Reviewed-by: Adam Langley <agl@google.com>
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|EC_GFp_nistz256_method| is not marked |OPENSSL_EXPORT| so only the
built-in P-256 curve uses it. |EC_GROUP_set_generator| doesn't allow
the generator to be changed for any |EC_GROUP| for a built-in curve.
Consequently, there's no way (except some kind of terrible abuse) that
the nistz code could be executed with a non-default generator.
Change-Id: Ib22f00bc74c103b7869ed1e35032b1f3d26cdad2
Reviewed-on: https://boringssl-review.googlesource.com/6446
Reviewed-by: Adam Langley <agl@google.com>
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Chromium's toolchains may now assume C++11 library support, so we may freely
use C++11 features. (Chromium's still in the process of deciding what to allow,
but we use Google's style guide directly, toolchain limitations aside.)
Change-Id: I1c7feb92b7f5f51d9091a4c686649fb574ac138d
Reviewed-on: https://boringssl-review.googlesource.com/6465
Reviewed-by: Adam Langley <agl@google.com>
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This removes a sharp corner in the API where |ECDH_compute_key| assumed
that callers were either using ephemeral keys, or else had already
checked that the public key was on the curve.
A public key that's not on the curve can be in a small subgroup and thus
the result can leak information about the private key.
This change causes |EC_POINT_set_affine_coordinates_GFp| to require that
points are on the curve. |EC_POINT_oct2point| already does this.
Change-Id: I77d10ce117b6efd87ebb4a631be3a9630f5e6636
Reviewed-on: https://boringssl-review.googlesource.com/5861
Reviewed-by: Adam Langley <agl@google.com>
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MSVC reports lots of:
warning C4090: 'function' : different 'const' qualifiers
Change-Id: If8184538c44e657f6234252d0147396d1a18b36c
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MSVC unhelpfuly says: warning C4146: unary minus operator applied to
unsigned type, result still unsigned.
Change-Id: Ia1e6b9fc415908920abb1bcd98fc7f7a5670c2c7
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Clang finds:
crypto/ec/ec.c:420:7: error: variable 'ok' is used uninitialized
whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
if (ctx == NULL) {
^~~~~~~~~~~
Change-Id: I33fc4d74ff3a3bd52ab155f8273fbcd9c6256e35
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This change incorporates Intel's P-256 implementation. The record of
Intel's submission under CLA is in internal bug number 25330687.
Before:
Did 3582 ECDH P-256 operations in 1049114us (3414.3 ops/sec)
Did 8525 ECDSA P-256 signing operations in 1028778us (8286.5 ops/sec)
Did 3487 ECDSA P-256 verify operations in 1008996us (3455.9 ops/sec)
build/tool/bssl is 1434704 bytes after strip -s
After:
Did 8618 ECDH P-256 operations in 1027884us (8384.2 ops/sec)
Did 21000 ECDSA P-256 signing operations in 1049490us (20009.7 ops/sec)
Did 8268 ECDSA P-256 verify operations in 1079481us (7659.2 ops/sec)
build/tool/bssl is 1567216 bytes after strip -s
Change-Id: I147971a8e19849779c8ed7e20310d41bd4962299
Reviewed-on: https://boringssl-review.googlesource.com/6371
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: If2a83698236f7b0dcd46701ccd257a85463d6ce5
Reviewed-on: https://boringssl-review.googlesource.com/4992
Reviewed-by: Adam Langley <agl@google.com>
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These functions ultimately return the result of |BN_num_bits|, and that
function's return type is |unsigned|. Thus, these functions' return
type should also be |unsigned|.
Change-Id: I2cef63e6f75425857bac71f7c5517ef22ab2296b
Reviewed-on: https://boringssl-review.googlesource.com/6170
Reviewed-by: Adam Langley <alangley@gmail.com>
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Intel's P-256 code has very large tables and things like Chromium just
don't need that extra size. However, servers generally do so this change
adds an OPENSSL_SMALL define that currently just drops the 64-bit P-224
but will gate Intel's P-256 in the future too.
Change-Id: I2e55c6e06327fafabef9b96d875069d95c0eea81
Reviewed-on: https://boringssl-review.googlesource.com/6362
Reviewed-by: Adam Langley <alangley@gmail.com>
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If the application is only using the P-256 implementation in p256-64.c,
then the WNAF code would all be dead code. The change reorganizes the
code so that all modern toolchains should be able to recognize that
fact and eliminate the WNAF-based code when it is unused.
Change-Id: I9f94bd934ca7d2292de4c29bb89e17c940c7cd2a
Reviewed-on: https://boringssl-review.googlesource.com/6173
Reviewed-by: Adam Langley <alangley@gmail.com>
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None of these methods vary per group. Factoring these out of
|EC_METHOD| should help some toolchains to do a better job optimizing
the code for size.
Change-Id: Ibd22a52992b4d549f12a8d22bddfdb3051aaa891
Reviewed-on: https://boringssl-review.googlesource.com/6172
Reviewed-by: Adam Langley <alangley@gmail.com>
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It's very annoying having to remember the right incant every time I want
to switch around between my build, build-release, build-asan, etc.,
output directories.
Unfortunately, this target is pretty unfriendly without CMake 3.2+ (and
Ninja 1.5+). This combination gives a USES_TERMINAL flag to
add_custom_target which uses Ninja's "console" pool, otherwise the
output buffering gets in the way. Ubuntu LTS is still on an older CMake,
so do a version check in the meantime.
CMake also has its own test mechanism (CTest), but this doesn't use it.
It seems to prefer knowing what all the tests are and then tries to do
its own output management and parallelizing and such. We already have
our own runners. all_tests.go could actually be converted tidily, but
generate_build_files.py also needs to read it, and runner.go has very
specific needs.
Naming the target ninja -C build test would be nice, but CTest squats
that name and CMake grumps when you use a reserved name, so I've gone
with run_tests.
Change-Id: Ibd20ebd50febe1b4e91bb19921f3bbbd9fbcf66c
Reviewed-on: https://boringssl-review.googlesource.com/6270
Reviewed-by: Adam Langley <alangley@gmail.com>
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This imports the Google-authored P-224 implementation by Emilia Käsper
and Bodo Möller that is also in upstream OpenSSL.
Change-Id: I16005c74a2a3e374fb136d36f3f6569dab9d8919
Reviewed-on: https://boringssl-review.googlesource.com/6145
Reviewed-by: Adam Langley <agl@google.com>
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(Imported from upstream's 728bcd59d3d41e152aead0d15acc51a8958536d3.)
Actually this one was reported by us, but the commit message doesn't
mention this.
This is slightly modified from upstream's version to fix some problems
noticed in import. Specifically one of d2i_X509_AUX's success paths is
bust and d2i_PrivateKey still updates on one error path. Resolve the
latter by changing both it and d2i_AutoPrivateKey to explicitly hit the
error path on ret == NULL. This lets us remove the NULL check in
d2i_AutoPrivateKey.
We'll want to report the problems back upstream.
Change-Id: Ifcfc965ca6d5ec0a08ac154854bd351cafbaba25
Reviewed-on: https://boringssl-review.googlesource.com/5948
Reviewed-by: Adam Langley <agl@google.com>
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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>
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MSAN appears to have a bug that causes this code to be miscompiled when
compiled with optimisations. In order to prevent that bug from holding
everything up, this change disables that code when MEMORY_SANITIZER is
defined. The generic elliptic-curve code can pick up the slack in that
case.
Change-Id: I7ce26969b3ee0bc0b0496506f06a8cf9b2523cfa
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Previously, |x| was reset to the value of the cofactor for no reason,
and there was an unnecessary copy made of |order|.
Change-Id: Ib6b06f651e280838299dff534c38726ebf4ccc97
Reviewed-on: https://boringssl-review.googlesource.com/4447
Reviewed-by: Adam Langley <agl@google.com>
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BUG=517495
Change-Id: I67c9c511d4ed558ab7a976d6708398e02194cd0f
Reviewed-on: https://boringssl-review.googlesource.com/5628
Reviewed-by: Adam Langley <agl@google.com>
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The documentation for |BN_CTX_get| states: "Once |BN_CTX_get| has
returned NULL, all future calls will also return NULL until
|BN_CTX_end| is called." Some code takes advantage of that guarantee
by only checking the return value of the last call to |BN_CTX_get| in a
series of calls. That is correct and the most efficient way of doing
it. However, that pattern is inconsistent with most of the other uses
of |BN_CTX_get|. Also, static analysis tools like Coverity cannot
understand that pattern. This commit removes the instances of that
pattern that Coverity complained about when scanning *ring*.
Change-Id: Ie36d0223ea1caee460c7979547cf5bfd5fb16f93
Reviewed-on: https://boringssl-review.googlesource.com/5611
Reviewed-by: Adam Langley <agl@google.com>
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Much of this was done automatically with
find . -name '*.c' | xargs sed -E -i '' -e 's/(OPENSSL_PUT_ERROR\([a-zA-Z_0-9]+, )[a-zA-Z_0-9]+, ([a-zA-Z_0-9]+\);)/\1\2/'
find . -name '*.c' | xargs sed -E -i '' -e 's/(OPENSSL_PUT_ERROR\([a-zA-Z_0-9]+, )[a-zA-Z_0-9]+, ([a-zA-Z_0-9]+\);)/\1\2/'
BUG=468039
Change-Id: I4c75fd95dff85ab1d4a546b05e6aed1aeeb499d8
Reviewed-on: https://boringssl-review.googlesource.com/5276
Reviewed-by: Adam Langley <agl@google.com>
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This isn't exhaustive. There are still failures in some tests which probably
ought to get C++'d first.
Change-Id: Iac58df9d98cdfd94603d54374a531b2559df64c3
Reviewed-on: https://boringssl-review.googlesource.com/4795
Reviewed-by: Adam Langley <agl@google.com>
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Currently far from passing and I haven't even tried with a leak checker yet.
Also bn_test is slow.
Change-Id: I4fe2783aa5f7897839ca846062ae7e4a367d2469
Reviewed-on: https://boringssl-review.googlesource.com/4794
Reviewed-by: Adam Langley <agl@google.com>
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This change converts the reference counts in crypto/ to use
|CRYPTO_refcount_t|. The reference counts in |X509_PKEY| and |X509_INFO|
were never actually used and so were dropped.
Change-Id: I75d572cdac1f8c1083c482e29c9519282d7fd16c
Reviewed-on: https://boringssl-review.googlesource.com/4772
Reviewed-by: Adam Langley <agl@google.com>
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This change exposes the functions needed to support arbitrary elliptic
curve groups. The Java API[1] doesn't allow a provider to only provide
certain elliptic curve groups. So if BoringSSL is an ECC provider on
Android, we probably need to support arbitrary groups because someone
out there is going to be using it for Bitcoin I'm sure.
Perhaps in time we can remove this support, but not yet.
[1] https://docs.oracle.com/javase/7/docs/api/java/security/spec/ECParameterSpec.html
Change-Id: Ic1d76de96f913c9ca33c46b451cddc08c5b93d80
Reviewed-on: https://boringssl-review.googlesource.com/4740
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: Ia97e76d6e5a5dc216a05741864c3d59b50d855bd
Reviewed-on: https://boringssl-review.googlesource.com/4750
Reviewed-by: Adam Langley <agl@google.com>
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Change |EC_KEY_new_by_curve_name| to report |ERR_R_MALLOC_FAILURE|
itself, so that reporting of |EC_R_UNKNOWN_GROUP| is not confused by
the caller's addition of a spurious |ERR_R_MALLOC_FAILURE|.
Change-Id: Id3f5364f01eb8e3597bcddd6484bc03d5578befb
Reviewed-on: https://boringssl-review.googlesource.com/4690
Reviewed-by: Adam Langley <agl@google.com>
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BoringSSL always uses uncompressed points. This function aborts if
another form is requested or does nothing if uncompressed points are
requested.
Change-Id: I80bc01444cdf9c789c9c75312b5527bf4957361b
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Stuff in crypto/ec.
Change-Id: I3bd238c365c4766ed8abc6f835a107478b43b159
Reviewed-on: https://boringssl-review.googlesource.com/4515
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I6790dc9651dc400992fc59a4c900210edeb2520c
Reviewed-on: https://boringssl-review.googlesource.com/4511
Reviewed-by: Adam Langley <agl@google.com>
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MSVC seems to dislike the zero-array trick in C++, but not C. Turns out there
was no need for the include, so that's an easy fix.
Change-Id: I6def7b430a450c4ff7eeafa3611f0d40f5fc5945
Reviewed-on: https://boringssl-review.googlesource.com/4580
Reviewed-by: Adam Langley <agl@google.com>
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RFC 5915 requires the use of the I2OSP primitive as defined in RFC 3447
for encoding ECPrivateKey. Fix this and add a test.
See also upstream's 30cd4ff294252c4b6a4b69cbef6a5b4117705d22, though it mixes
up degree and order.
Change-Id: I81ba14da3c8d69e3799422c669fab7f16956f322
Reviewed-on: https://boringssl-review.googlesource.com/4469
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I5e25ddbc87370b58d9b6fc410f51e259947df8dd
Reviewed-on: https://boringssl-review.googlesource.com/4468
Reviewed-by: Adam Langley <agl@google.com>
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CRYPTO_MUTEX was the wrong size. Fortunately, Apple was kind enough to define
pthread_rwlock_t unconditionally, so we can be spared fighting with feature
macros. Some of the stdlib.h removals were wrong and clang is pick about
multiply-defined typedefs. Apparently that's a C11 thing?
BUG=478598
Change-Id: Ibdcb8de9e5d83ca28e4c55b2979177d1ef0f9721
Reviewed-on: https://boringssl-review.googlesource.com/4404
Reviewed-by: Adam Langley <agl@google.com>
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