Change-Id: Ie9825634f0f290aa3af0e88477013f62e2e0c246
Reviewed-on: https://boringssl-review.googlesource.com/c/33724
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This function allows a client to send a TLS 1.3 KeyUpdate message.
Change-Id: I69935253795a79d65a8c85b652378bf04b7058e2
Reviewed-on: https://boringssl-review.googlesource.com/c/33706
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
In [1], section 5.1, an optimised re-encryption process is given. In the
code, this simplifies to not needing to rebuild the ciphertext at all.
Thanks to John Schanck for pointing this out.
[1] https://eprint.iacr.org/2018/1174.pdf
Change-Id: I807bd509e936b7e82a43e8656444431546e9bbdf
Reviewed-on: https://boringssl-review.googlesource.com/c/33705
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Valgrind's checking of uninitialised memory behaves very much like a
check for constant-time code: branches and memory indexes based on
uninitialised memory trigger warnings. Therefore, if we can tell
Valgrind that some secret is “uninitialised”, it'll give us a warning if
we do something non-constant-time with it.
This was the idea behind https://github.com/agl/ctgrind. But tricks like
that are no longer needed because Valgrind now comes with support for
marking regions of memory as defined or not. Therefore we can use that
API to check constant-time code.
This CL defines |CONSTTIME_SECRET| and |CONSTTIME_DECLASSIFY|, which are
no-ops unless the code is built with
|BORINGSSL_CONSTANT_TIME_VALIDATION| defined, which it isn't by default.
So this CL is a no-op itself so far. But it does show that a couple of
bits of constant-time time are, in fact, constant-time—seemingly even
when compiled with optimisations, which is nice.
The annotations in the RSA code are a) probably not marking all the
secrets as secret, and b) triggers warnings that are a little
interesting:
The anti-glitch check calls |BN_mod_exp_mont| which checks that the
input is less than the modulus. Of course, it is because the input is
the RSA plaintext that we just decrypted, but the plaintext is supposed
to be secret and so branching based on its contents isn't allows by
Valgrind. The answer isn't totally clear, but I've run out of time on
this for now.
Change-Id: I1608ed0b22d201e97595fafe46127159e02d5b1b
Reviewed-on: https://boringssl-review.googlesource.com/c/33504
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
https://boringssl-review.googlesource.com/12704 pushed it just too far
to the edge. Once we have an established SSL_SESSION, any modifications
need to either be locked or done ahead of time. Do it ahead of time.
session->is_server gives a suitable place to check and X509s are
ref-counted so this should be cheap.
Add a regression test via TSan. Confirmed that TSan indeed catches this.
Change-Id: I30ce7b757d3a44465b318af3c98961ff3667483e
Reviewed-on: https://boringssl-review.googlesource.com/c/33606
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Since the underlying operation is deterministic the confirmation hash
isn't needed and SXY didn't use it in their proof.
Change-Id: I3a03c20ee79645cf94b10dbfe654c1b88d9aa416
Reviewed-on: https://boringssl-review.googlesource.com/c/33605
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
This allows an application to obtain the current TLS 1.3 traffic secrets
for a connection.
Change-Id: I8ad8d0559caba266f74081441dea54b22da3db20
Reviewed-on: https://boringssl-review.googlesource.com/c/33590
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Just forbid it altogether, so we don't need to worry about a mess of
equipreferences.
Change-Id: I4921ff326c6047e50c075d4311dd42219bf8318e
Reviewed-on: https://boringssl-review.googlesource.com/c/33585
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This change includes support for a variant of [HRSS], a post-quantum KEM
based on NTRU. It includes changes suggested in [SXY]. This is not yet
ready for any deployment: some breaking changes, like removing the
confirmation hash, are still planned.
(CLA for HRSS's assembly code noted in b/119426559.)
[HRSS] https://eprint.iacr.org/2017/667.pdf
[SXY] https://eprint.iacr.org/2017/1005.pdf
Change-Id: I85d813733b066d5c578484bdd248de3f764194db
Reviewed-on: https://boringssl-review.googlesource.com/c/33105
Reviewed-by: David Benjamin <davidben@google.com>
See the IETF thread here:
https://www.ietf.org/mail-archive/web/tls/current/msg27292.html
In particular, although the original publication of RFC 5246 had a
syntax error in the field (the minimum length was unspecified), there is
an errata from 2012 to fix it to be non-empty.
https://www.rfc-editor.org/errata/eid2864
Currently, when empty, we implicitly interpret it as SHA1/*, matching
the server behavior in missing extension in ClientHellos. However that
text does not support doing it for CertificateRequests, and there is not
much reason to. That default (which is in itself confusing and caused
problems such as older OpenSSL only signing SHA-1 given SNI) was
because, at the time, there were concerns over making any ClientHello
extensions mandatory. This isn't applicable for CertificateRequest,
which can freely advertise their true preferences.
Change-Id: I113494d8f66769fde1362795fb08ff2f471ef31d
Reviewed-on: https://boringssl-review.googlesource.com/c/33524
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
We zero out memory in |OPENSSL_free| already.
Change-Id: I84a0f3cdfadd4544c0fade1d3d727baa6496ffe5
Reviewed-on: https://boringssl-review.googlesource.com/c/33446
Commit-Queue: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This way we'll notice if we ever generate a bad padding extension or
duplicate an extension. This did require fixing one of the JDK11 test
vectors. When I manually added a padding extension, I forgot the
contents were all zeros and incorrectly put in "padding" instead.
Change-Id: Ifec5bb01a739014ed0fdf5b49b82a6b514646e9a
Reviewed-on: https://boringssl-review.googlesource.com/c/33444
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Errors are supposed to be fragments that go into sentences, rather than
sentences themselves.
Change-Id: I6569fce25535475162c85e7b0db7eeb62c93febd
Reviewed-on: https://boringssl-review.googlesource.com/c/33324
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
JDK 11 shipped with a TLS 1.3 implementation enabled by default.
Unfortunately, that implementation does not work and fails to send the
SNI extension on resumption. See
https://bugs.openjdk.java.net/browse/JDK-8211806.
This means servers which enable TLS 1.3 will see JDK 11 clients work on
the first connection and then fail on all subsequent connections. Add
SSL_set_jdk11_workaround which configures a workaround to fingerprint
JDK 11 and disable TLS 1.3 with the faulty clients.
JDK 11 also implemented the downgrade signal, which means that
connections that trigger the workaround also must not send the downgrade
signal. Unfortunately, the downgrade signal's security properties are
sensitive to the existence of any unmarked TLS 1.2 ServerHello paths. To
salvage this, pick a new random downgrade marker for this scenario and
modify the client to treat it as an alias of the standard one.
Per the link above, JDK 11.0.2 will fix this bug. Hopefully the
workaround can be retired sometime after it is released.
Change-Id: I0627609a8cadf7cc214073eb7f1e880acdf613ef
Reviewed-on: https://boringssl-review.googlesource.com/c/33284
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Change-Id: I48a1e9e27013bb91b783949b65463208516bb3d2
Reviewed-on: https://boringssl-review.googlesource.com/c/33265
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
We can actually use modules now.
Change-Id: I0bd8abaf4e3318069f93fa17e89b4804d03944eb
Reviewed-on: https://boringssl-review.googlesource.com/c/33205
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
Bug: chromium:347402
Change-Id: I1442b595ed7296b9d9fe88357565f68e1ab80ffd
Reviewed-on: https://boringssl-review.googlesource.com/c/32644
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>
C99 added macros such as PRIu64 to inttypes.h, but it said to exclude them from
C++ unless __STDC_FORMAT_MACROS or __STDC_CONSTANT_MACROS was defined. This
text was never incorporated into any C++ standard and explicitly overruled in
C++11.
Some libc headers followed C99. Notably, glibc prior to 2.18
(https://sourceware.org/bugzilla/show_bug.cgi?id=15366) and old versions of the
Android NDK.
In the NDK, although it was fixed some time ago (API level 20), the NDK used to
use separate headers per API level. Only applications using minSdkVersion >= 20
would get the fix. Starting NDK r14, "unified" headers are available which,
among other things, make the fix available (opt-in) independent of
minSdkVersion. In r15, unified headers are opt-out, and in r16 they are
mandatory.
Try removing these and see if anyone notices. The former is past our five year
watermark. The latter is not and Android has hit
https://boringssl-review.googlesource.com/c/boringssl/+/32686 before, but
unless it is really widespread, it's probably simpler to ask consumers to
define __STDC_CONSTANT_MACROS and __STDC_FORMAT_MACROS globally.
Update-Note: If you see compile failures relating to PRIu64, UINT64_MAX, and
friends, update your glibc or NDK. As a short-term fix, add
__STDC_CONSTANT_MACROS and __STDC_FORMAT_MACROS to your build, but get in touch
so we have a sense of how widespread it is.
Bug: 198
Change-Id: I56cca5f9acdff803de1748254bc45096e4c959c2
Reviewed-on: https://boringssl-review.googlesource.com/c/33146
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Having to lazily create it is a little wordy, and we append to it in
three places now. V2ClientHello makes this slightly finicky, but I think
this is still clearer.
Change-Id: If931db0b56efd7f0728c0b7d119886864dd7933a
Reviewed-on: https://boringssl-review.googlesource.com/c/32824
Commit-Queue: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Steven Valdez <svaldez@google.com>
Update-Note: This effectively reverts https://boringssl-review.googlesource.com/4733,
which was an attempt at a well-defined story during renegotiation and pre-handshake.
This is a behavior change, though one that matches OpenSSL upstream. It is also more
consistent with other functions, such as SSL_get_curve_id. Renegotiation is now
opt-in, so this is less critical, and, if we change the behavior mid-renegotiation,
we should do it consistently to all getters.
Change-Id: Ica6b386fb7c5ac524395de6650642edd27cac36f
Reviewed-on: https://boringssl-review.googlesource.com/c/32904
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>
A split SSL handshake may involve 2 binaries, potentially built at
different versions: call them the "handoff/handback" binary and the
"handshake" binary. We would like to guarantee that the
handoff/handback binary does not make any promises that the handshake
binary cannot keep.
d2ed382 serialized |kCiphers|; this commit extends the same approach
to |kNamedGroups|.
Change-Id: Idb13e54e9b189236309f6054a36872c5a4d96985
Reviewed-on: https://boringssl-review.googlesource.com/c/32825
Reviewed-by: David Benjamin <davidben@google.com>
A split SSL handshake may involve 2 binaries, potentially built at
different versions: call them the "handoff/handback" binary and the
"handshake" binary. We would like to guarantee that the
handoff/handback binary does not make any promises that the handshake
binary cannot keep.
As a start, this commit serializes |kCiphers| to the handoff message.
When the handoff message is applied to an |SSL|, any configured
ciphers not listed in the handoff message will be removed, in order to
prevent them from being negotiated.
Subsequent commits will apply the same approach to other lists of features.
Change-Id: Idf6dbeadb750c076ab0509c09b9d3f22eb162b9c
Reviewed-on: https://boringssl-review.googlesource.com/c/29264
Reviewed-by: Matt Braithwaite <mab@google.com>
Avoid forcing the QUIC implementation to buffer this when we already have code
to do it. This also avoids QUIC implementations relying on this hook being
called for each individual message.
Change-Id: If2d70f045a25da1aa2b10fdae262cae331da06b1
Reviewed-on: https://boringssl-review.googlesource.com/c/32785
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
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
Commit-Queue: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
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
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
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>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
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>
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>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
We no longer need to fork them. This is in preparation for pulling it
via Go modules, but probably need to figure out the network issue first.
Slightly bad manners for CI to do that.
Change-Id: Ic258264f3c3559817d5e4921e4ad3282e94d05fe
Reviewed-on: https://boringssl-review.googlesource.com/31904
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
This should make it easier for us to reuse Go code properly.
util/fipstools is kind of a mess. runner has been using relative
imports, but Go seems to prefer this mechanism these days.
Update-Note: The import spelling in ssl/test/runner changes. Also we now
require Go 1.11. Or you could clone us into GOPATH, but no one does
that.
Change-Id: I8bf91e1e0345b3d0b3d17f5c642fe78b415b7dde
Reviewed-on: https://boringssl-review.googlesource.com/31884
Reviewed-by: Adam Langley <agl@google.com>
This was added to support the no_certificate warning alert in SSLv3. That has
since been removed. In the long run, I would like for ssl_send_alert to go
through a flow similar to add_alert so the BIO-free APIs work right and avoid a
host of strangeness surrounding wpend_buf. For now, remove the unused hook.
Change-Id: I1995028b8af4ffa836028794e6b33b2cd1b2435b
Reviewed-on: https://boringssl-review.googlesource.com/31984
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
- 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
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
Historically, OpenSSL filled in a fake session ID for ticket-only
client sessions. Conscrypt relies on this to implement some weird Java
API where every session has an ID and may be queried out of the client
session cache and, e.g., revoked that way.
(Note that a correct client session cache is not keyed by session ID and
indeed this allows one server to knock out another server's sessions by
matching session IDs. But existing APIs are existing APIs.)
For consistency between TLS 1.2 and TLS 1.3, as well as matching
OpenSSL's TLS 1.3 implementation, do the same in TLS 1.3. Note this
smooths over our cross-version resumption tests by allowing for
something odd: it is now syntactically possible to resume a TLS 1.3
session at TLS 1.2. It doesn't matter either way, but now a different
codepath rejects certain cases.
Change-Id: I9caf4f0c3b2e2e24ae25752826d47bce77e65616
Reviewed-on: https://boringssl-review.googlesource.com/31525
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@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
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
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In order to work around server bugs (see https://crbug.com/363583) we
need to ensure that the final extension is not empty. Doing this by
fixing the order of extensions is a little error-prone. Instead, insert
a padding extension to ensure this as neeeded.
Change-Id: I90760f2e6735082386c484c956a470aef38ed109
Reviewed-on: https://boringssl-review.googlesource.com/31284
Commit-Queue: Adam Langley <agl@google.com>
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Reviewed-by: David Benjamin <davidben@google.com>
The client downgrade detection tests were not asserting on the error (would
have caught the missing error string). Additionally, Downgrade-FalseStart-Draft
isn't testing what it's supposed to; it doesn't actually configure a draft
version or anything. Fix that and have it use ALPN rather than NPN, to match
the test above.
Change-Id: I0b759385641aa00994a912303a6f5bd65522b4bb
Reviewed-on: https://boringssl-review.googlesource.com/31204
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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We broke this a while back and nothing noticed. (Note dereference just
above.) Therefore I guess we don't need to support it.
Change-Id: I501d43825e89acb5f7f13998541dc8ff59452a99
Reviewed-on: https://boringssl-review.googlesource.com/31144
Commit-Queue: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
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Change-Id: I2d1671a4f21a602191fd0c9b932244a376ac5713
Reviewed-on: https://boringssl-review.googlesource.com/31104
Reviewed-by: David Benjamin <davidben@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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This isn't actually shorter, but there is a bunch of slicing up of the ticket,
which Span makes a little easier to follow.
Change-Id: I7ea4dfe025641a3b88e2c9b8e34246fefc23412f
Reviewed-on: https://boringssl-review.googlesource.com/29865
Reviewed-by: Adam Langley <agl@google.com>
Fixed up the comment about ssl_version. There's one line which I
manually edited:
int (*check_client_CA_list)(STACK_OF(CRYPTO_BUFFER) *names);
where clang-format puts spaces on both sides of the second *.
Change-Id: Id1c0bd02f664df14b1e5bbd8abaf2687fb9179db
Reviewed-on: https://boringssl-review.googlesource.com/31004
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>
The anti-downgrade signal is being implemented in a follow-up change.
Change-Id: I5ea3ff429ed1389a3577026588fef3660d2d0615
Reviewed-on: https://boringssl-review.googlesource.com/30904
Commit-Queue: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
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>
