0-RTT support and APIs to consume NewSessionTicket will be added in a
follow-up.
Change-Id: Ib2b2c6b618b3e33a74355fb53fdbd2ffafcc5c56
Reviewed-on: https://boringssl-review.googlesource.com/c/31744
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Uses have been either migrated to
OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED or removed.
Update-Note: Anything still relying on OPENSSL_NO_THREADS should be updated to
either use OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED if a
single-threaded-only platform, or fixed to depend on the platform threading
library.
Change-Id: I02ec63bc7ede892bd6463f1a23e2cec70887fab3
Reviewed-on: https://boringssl-review.googlesource.com/c/32744
Commit-Queue: Adam Langley <agl@google.com>
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Ryan noticed that CBS_ASN1_{SEQUENCE,SET} used CBS_ASN1_CONSTRUCTED
before it was defined. The C preprocessor expands late, so this works,
but it is weird. Flip the order.
There was also some question about the constructed bit, which is
different from how ASN.1 formally specifies it. (ASN.1 believes the
constructed bit is a property of the element, not the tag. We fold it in
because it's entirely computable[*] from the type in DER, so it's easier
to fold it in.) Move existing text to the section header and expand on
it.
[*] DER forbids constructed strings so string types are always
primitive. ASN.1 forbids implicitly tagging CHOICE or ANY, so the
inherited constructed bit cannot vary by value.
Change-Id: Ieb91f9d6898d582dda19fec8b042051b67f217a8
Reviewed-on: https://boringssl-review.googlesource.com/c/32725
Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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Although this macro is not public API and is unused in BoringSSL,
wpa_supplicant uses it to define its own stacks. Remove this once
wpa_supplicant has been fixed.
Change-Id: I1f85e06efe4057b6490bf93bf4dea773dcb491c5
Reviewed-on: https://boringssl-review.googlesource.com/c/32764
Reviewed-by: Robert Sloan <varomodt@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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MSVC 2015 supports the static_assert keyword in C mode (not quite what C11
specifies: _Static_assert is the keyword and static_assert is a macro in
assert.h, but close enough). GCC and Clang both support _Static_assert at all C
versions. GCC has supported it in GCC 4.6.
glibc supports the assert.h macro since glibc 2.16, but does condition it on
the version, so we likely can't rely on that yet. Still, this means we should
be able to rely on proper static assertions at this point. In particular, this
means we'd no longer worry about emitting multiple typedefs of the same name.
Though at some point, it'd be nice to rely on being built in C11 mode. Then we
can just pull in assert.h and use bare static_assert, and the atomics business
needn't be a build flag.
Update-Note: If static asserts break the build, it's this CL's fault.
Change-Id: I1b09043aae41242f6d40386c063e381d00b028d8
Reviewed-on: https://boringssl-review.googlesource.com/c/32604
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An EVP_AEAD_CTX used to be a small struct that contained a pointer to
an AEAD-specific context. That involved heap allocating the
AEAD-specific context, which was a problem for users who wanted to setup
and discard these objects quickly.
Instead this change makes EVP_AEAD_CTX large enough to contain the
AEAD-specific context inside itself. The dominant AEAD is AES-GCM, and
that's also the largest. So, in practice, this shouldn't waste too much
memory.
Change-Id: I795cb37afae9df1424f882adaf514a222e040c80
Reviewed-on: https://boringssl-review.googlesource.com/c/32506
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Sections are separated by two blank lines.
Change-Id: If4f94a3b8f96044e83ab116e7603f1654130a551
Reviewed-on: https://boringssl-review.googlesource.com/c/32584
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cryptography.io wraps this function and so we have to keep the LHASH_OF
argument for now.
Change-Id: I4e071dee973c3931a4005678ce4135161a5861bd
Reviewed-on: https://boringssl-review.googlesource.com/c/32524
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Node references it these days. Also replace the no-op modes with negative
numbers rather than zero. Stream ciphers like RC4 report a "mode" of zero, so
code comparing the mode to a dummy value will get confused.
(I came across https://github.com/nodejs/node/pull/23635, though we'd have run
into it sooner or later anyway. Better to just define the value and avoid ifdef
proliferation.)
Change-Id: I223f25663e138480ad83f35aa16f5218f1425563
Reviewed-on: https://boringssl-review.googlesource.com/c/32464
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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As with sk_*, this. This doesn't fix the function pointer casts. Those
will be done in a follow-up change. Also add a test for lh_*_doall so we
cover both function pointer shapes.
Update-Note: This reworks how LHASH_OF(T) is implemented and also only
pulls in the definitions where used, but LHASH_OF(T) is never used
externally, so I wouldn't expect this to affect things.
Change-Id: I7970ce8c41b8589d6672b71dd03658d0e3bd89a7
Reviewed-on: https://boringssl-review.googlesource.com/c/32119
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Due to non-compliant middleboxes, it is possible we'll need to do some
surgery to this mechanism. Making it per-SSL is a little more flexible
and also eases some tests in Chromium until we get its SSL_CTX usage
fixed up.
Also fix up BoringSSL tests. We forgot to test it at TLS 1.0 and use the
-expect-tls13-downgrade flag.
Bug: 226
Change-Id: Ib39227e74e2d6f5e1fbc1ebcc091e751471b3cdc
Reviewed-on: https://boringssl-review.googlesource.com/c/32424
Reviewed-by: Steven Valdez <svaldez@google.com>
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We only capitalize the first word. I've left Token Binding alone because
that appears to be the full name. But "QUIC Transport Parameters" just
describe's QUIC's transport parameters.
Change-Id: I7e0f69e24ff4080c0470c87825dffa1a9aa6df97
Reviewed-on: https://boringssl-review.googlesource.com/c/32344
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Change-Id: I4ec8a21264c2c73ebf8ca6a93b96eba29bd2d29e
Reviewed-on: https://boringssl-review.googlesource.com/c/32345
Reviewed-by: Robert Sloan <varomodt@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
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This removes the last mention of LHASH in public headers. This can only
break people who stack-allocate CONF or access the data field. The
latter does not happen (external code never calls lh_CONF_VALUE_*
functions). The former could not work as there would be no way to clean
it up.
Update-Note: CONF is now opaque.
Change-Id: Iad3796c4e75874530d7a70fde2f84a390def2d49
Reviewed-on: https://boringssl-review.googlesource.com/32118
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Everyone calls this with NULL anyway. People never actually use
lh_CONF_VALUE_* functions (or any other lh_* functions for that matter).
Also remove unused X509V3_EXT_CRL_add_conf prototype.
This removes one of the last mentions of LHASH_OF in public headers.
Update-Note: X509V3_EXT_conf_nid calls that pass a non-NULL first
parameter will fail to compile.
Change-Id: Ia6302ef7b494efeb9b63ab75a18bc340909dcba3
Reviewed-on: https://boringssl-review.googlesource.com/32117
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C and C++ handle inline functions differently. In C++, an inline function is
defined in just the header file, potentially emitted in multiple compilation
units (in cases the compiler did not inline), but each copy must be identical
to satsify ODR. In C, a non-static inline must be manually emitted in exactly
one compilation unit with a separate extern inline declaration.
In both languages, exported inline functions referencing file-local symbols are
problematic. C forbids this altogether (though GCC and Clang seem not to
enforce it). It works in C++, but ODR requires the definitions be identical,
including all names in the definitions resolving to the "same entity". In
practice, this is unlikely to be a problem, but an inline function that returns
a pointer to a file-local symbol could compile oddly.
Historically, we used static inline in headers. However, to satisfy ODR, use
plain inline in C++, to allow inline consumer functions to call our header
functions. Plain inline would also work better with C99 inline, but that is not
used much in practice, extern inline is tedious, and there are conflicts with
the old gnu89 model: https://stackoverflow.com/questions/216510/extern-inline
For dual C/C++ code, use a macro to dispatch between these. For C++-only
code, stop using static inline and just use plain inline.
Update-Note: If you see weird C++ compile or link failures in header
functions, this change is probably to blame. Though this change
doesn't affect C and non-static inline is extremely common in C++,
so I would expect this to be fine.
Change-Id: Ibb0bf8ff57143fc14e10342854e467f85a5e4a82
Reviewed-on: https://boringssl-review.googlesource.com/32116
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TARGET_OS_IPHONE isn't defined without including <TargetConditionals.h>. Oops.
Confirmed now that OPENSSL_IOS gets defined where we expect.
Update-Note: There is some chance this will fail to build on some macOS host
builds of Android? https://codereview.chromium.org/538563002 suggests something
weird happens. However those Android builds of BoringSSL would already be
problematic because they'd set OPENSSL_STATIC_ARMCAP thinking they were iOS.
Thus I've intentionally kept the assumption that __APPLE__ implies a Darwin
target. If it goes through, all is well. If not, we'll learn more about that
configuration and that we likely need to revise our OPENSSL_APPLE definition.
Bug: chromium:890115
Change-Id: I1df73ac2321391d2449edbeb9cfa295fd607f935
Reviewed-on: https://boringssl-review.googlesource.com/32204
Reviewed-by: Adam Langley <agl@google.com>
The calls to qsort and bsearch are still invalid, but not avoidable
without reimplementing them. Fortunately, they cross libraries, so CFI
does not object.
With that, all that's left is LHASH!
Bug: chromium:785442
Change-Id: I6d29f60fac5cde1f7870d7cc515346e55b98315b
Reviewed-on: https://boringssl-review.googlesource.com/32114
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Unfortunately, some projects are calling into sk_pop_free directly, so
we must leave a compatibility version around for now.
Bug: chromium:785442
Change-Id: I1577fce6f23af02114f7e9f7bf2b14e9d22fa9ae
Reviewed-on: https://boringssl-review.googlesource.com/32113
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This fixes:
- Undefined function pointer casts.
- Missing X509_INFO_new malloc failure checks.
- Pointless (int) cast on strlen.
- Missing ERR_GET_LIB in PEM_R_NO_START_LINE check.
- Broken error-handling if passing in an existing stack and we hit a
syntax error.
Bug: chromium:785442
Change-Id: I8be3523b0f13bdb3745938af9740d491486f8bf1
Reviewed-on: https://boringssl-review.googlesource.com/32109
Reviewed-by: Adam Langley <agl@google.com>
Lacking C++, this instead adds a mess of macros. With this done, all the
function-pointer-munging "_of" macros in asn1.h can also be removed.
Update-Note: A number of *really* old and unused ASN.1 macros were
removed.
Bug: chromium:785442
Change-Id: Iab260d114c7d8cdf0429759e714d91ce3f3c04b2
Reviewed-on: https://boringssl-review.googlesource.com/32106
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <alangley@gmail.com>
While it is okay to cast function pointers into different types for
generic storage, the pointer must be cast back to the exact same type
when calling. In particular, although C libraries do this sort of thing
all the time, calling a T* d2i function as a void* d2i function is
undefined:
If the function is defined with a type that is not compatible with the
type (of the expression) pointed to by the expression that denotes the
called function, the behavior is undefined
Fix some instances in the PEM/ASN1 wrapper functions. Synthesize helper
functions instead.
This CL just addresses the function pointer issues. The inherited legacy
OpenSSL ASN.1 code is still full other questionable data pointer dances
that will be much more difficult to excise. Continuing to exise that
code altogether (it is already unshipped from Cronet and unshipped from
Chrome but for WebRTC) is probably a better tack there.
This removes one (of many many) places where we require
-fsanitize-cfi-icall-generalize-pointers.
Bug: chromium:785442
Change-Id: Id8056ead6ef471f0fdf263bb50dc659da500e8ce
Reviewed-on: https://boringssl-review.googlesource.com/32105
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <alangley@gmail.com>
BoringSSL depends on the platform's locking APIs to make internal global
state thread-safe, including the PRNG. On some single-threaded embedded
platforms, locking APIs may not exist, so this dependency may be disabled
with a build flag.
Doing so means the consumer promises the library will never be used in any
multi-threaded address space. It causes BoringSSL to be globally thread-unsafe.
Setting it inappropriately will subtly and unpredictably corrupt memory and
leak secret keys.
Unfortunately, folks sometimes misinterpreted OPENSSL_NO_THREADS as skipping an
internal thread pool or disabling an optionally extra-thread-safe mode. This is
not and has never been the case. Rename it to
OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED to clarify what
this option does.
Update-Note: As a first step, this CL makes both OPENSSL_NO_THREADS and
OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED work. A later CL
will remove the old name, so migrate callers after or at the same time as
picking up this CL.
Change-Id: Ibe4964ae43eb7a52f08fd966fccb330c0cc11a8c
Reviewed-on: https://boringssl-review.googlesource.com/32084
Commit-Queue: David Benjamin <davidben@google.com>
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This function doesn't actually exist. (If it did, it would be the same as
SHA512_Transform. We currently omit SHA224 and SHA384's low-level transform
functions.)
Change-Id: Ia9d3d7c86e8f70fd5e4f13b8de4f08440dccbdcb
Reviewed-on: https://boringssl-review.googlesource.com/32064
Reviewed-by: Adam Langley <agl@google.com>
BSSL_NAMESPACE_BEGIN needs to be defined unconditionally.
Change-Id: I1770ca6b6c19f9c732ef00ba8c89b112b421929d
Reviewed-on: https://boringssl-review.googlesource.com/31824
Reviewed-by: Adam Langley <agl@google.com>
MSAN is incompatible with hand-written assembly code. Previously we
required that OPENSSL_NO_ASM be set when building with MSAN, and the
CMake build would take care of this. However, with other build systems
it wasn't always so easy.
This change automatically disables assembly when the compiler is
configured for MSAN.
Change-Id: I6c219120f62d16b99bafc2efb02948ecbecaf87f
Reviewed-on: https://boringssl-review.googlesource.com/31724
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The assembly files need some includes. Also evp.h has some conflicting
macros. Finally, md5.c's pattern of checking if a function name is
defined needs to switch to checking MD5_ASM.
Change-Id: Ib1987ba6f279144f0505f6951dead53968e05f20
Reviewed-on: https://boringssl-review.googlesource.com/31704
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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Also point out that we're a cryptography library, not a text encoding library.
Not that that'll dissuade anyone.
Change-Id: Ia324e08c5cdd108fa182d2610f80447262e0bd5c
Reviewed-on: https://boringssl-review.googlesource.com/31664
Reviewed-by: Adam Langley <agl@google.com>
- In base.h, if BORINGSSL_PREFIX is defined, include
boringssl_prefix_symbols.h
- In all .S files, if BORINGSSL_PREFIX is defined, include
boringssl_prefix_symbols_asm.h
- In base.h, BSSL_NAMESPACE_BEGIN and BSSL_NAMESPACE_END are
defined with appropriate values depending on whether
BORINGSSL_PREFIX is defined; these macros are used in place
of 'namespace bssl {' and '}'
- Add util/make_prefix_headers.go, which takes a list of symbols
and auto-generates the header files mentioned above
- In CMakeLists.txt, if BORINGSSL_PREFIX and BORINGSSL_PREFIX_SYMBOLS
are defined, run util/make_prefix_headers.go to generate header
files
- In various CMakeLists.txt files, add "global_target" that all
targets depend on to give us a place to hook logic that must run
before all other targets (in particular, the header file generation
logic)
- Document this in BUILDING.md, including the fact that it is
the caller's responsibility to provide the symbol list and keep it
up to date
- Note that this scheme has not been tested on Windows, and likely
does not work on it; Windows support will need to be added in a
future commit
Change-Id: If66a7157f46b5b66230ef91e15826b910cf979a2
Reviewed-on: https://boringssl-review.googlesource.com/31364
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This removes the special-case for #defines in doc.go.
Change-Id: I6bf750485a94ad28c3975644c74a17c550bb3224
Reviewed-on: https://boringssl-review.googlesource.com/31505
Reviewed-by: Adam Langley <agl@google.com>
Change-Id: I45866c3a4aa98ebac51d4e554a22eb5add45002f
Reviewed-on: https://boringssl-review.googlesource.com/31404
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This often causes confusion since, for various silly reasons (intrinsic
ref-counting, FOO_METHOD, and RSA's cached Montgomery bits), the thread
safety of some functions don't match the usual const/non-const
distinction. Fix const-ness where easy and document it otherwise.
Change-Id: If2037a4874d7580cc79b18ee21f12ae0f47db7fd
Reviewed-on: https://boringssl-review.googlesource.com/31344
Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
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Update-Note: If not explicitly configured to use tls13_all, callers that enable
TLS 1.3 will now only enable the final standard version.
Change-Id: Ifcfc65a9d8782c983df6e002925e8f77f45b6e53
Reviewed-on: https://boringssl-review.googlesource.com/31384
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Change-Id: Ifd7239106471bb59057b0a65c6e91837379c78bf
Reviewed-on: https://boringssl-review.googlesource.com/31164
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Change-Id: I5ce176538a53136aff3eea4af04b762ac9a5a994
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Change-Id: I2d1671a4f21a602191fd0c9b932244a376ac5713
Reviewed-on: https://boringssl-review.googlesource.com/31104
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Reviewed-by: Steven Valdez <svaldez@google.com>
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- Document failure conditions of EVP_MD_CTX_copy_ex,
EVP_DigestInit_ex, HMAC_Init_ex, and CBB_init
Change-Id: I643d1b92e88e7f690fa555f7d908317a23e5cd95
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The anti-downgrade signal is being implemented in a follow-up change.
Change-Id: I5ea3ff429ed1389a3577026588fef3660d2d0615
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Works in the 1.3 and 1.2 client handshakes, not implemented on the
server for now.
Creates an SSL_CTX option to reverify the server certificate on session
resumption. Reverification only runs the client's certificate verify callback.
Adds new states to the client handshakes: state_reverify_server_certificate in
TLS 1.2, and state_server_certificate_reverify in TLS 1.3.
Adds a negative test to make sure that by default we don't verify the
certificate on resumption, and positive tests that make sure we do when the
new option is set.
Change-Id: I3a47ff3eacb3099df4db4c5bc57f7c801ceea8f1
Bug: chromium:347402
Reviewed-on: https://boringssl-review.googlesource.com/29984
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
This is a version of ChaCha20-Poly1305 that takes a 24-byte nonce,
making the nonce suitable for random generation. It's compatible with
the AEAD of the same name in libsodium.
Change-Id: Ie8b20ba551e5a290b390d362e487f06377166f4c
Reviewed-on: https://boringssl-review.googlesource.com/30384
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
