wpa_supplicant in AOSP has now been updated, so these all can go. We're
just left with the AES keywrap business.
Change-Id: Ie4c3e08902a2a1f9b43e1907116c7d85791ad5e9
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If we see garbage in ClientHello.version and then select static RSA,
that garbage is what goes in the premaster.
Change-Id: I65190a44439745e6b5ffaf7669f063da725c8097
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Plain PSK omits the ServerKeyExchange when there is no hint and includes
it otherwise (it should have always sent it), while other PSK ciphers
like ECDHE_PSK cannot omit the hint. Having different capabilities here
is odd and RFC 4279 5.2 suggests that all PSK ciphers are capable of
"[not] provid[ing] an identity hint".
Interpret this to mean no identity hint and empty identity hint are the
same state. Annoyingly, this gives a plain PSK implementation two
options for spelling an empty hint. The spec isn't clear and this is not
really a battle worth fighting, so I've left both acceptable and added a
test for this case.
See also https://android-review.googlesource.com/c/275217/. This is also
consistent with Android's PskKeyManager API, our only consumer anyway.
https://developer.android.com/reference/android/net/PskKeyManager.html
Change-Id: I8a8e6cc1f7dd1b8b202cdaf3d4f151bebfb4a25b
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One less field to reset on renego and save a pointer of post-handshake
memory.
Change-Id: Ifc0c3c73072af244ee3848d9a798988d2c8a7c38
Reviewed-on: https://boringssl-review.googlesource.com/11086
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The MinGW setup on Android already defines this stat macro.
Change-Id: Ia8e89195c06ec01d4b5a2fa7357fb8d2d500aa06
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Android uses MinGW for some host tools on Windows. That toolchain
doesn't support the #pragma tricks we use for thread-local destructors,
but does appear to support pthreads.
This also lets us remove the INIT_ONCE workaround, although that's
removable anyway since Android's MinGW is now new enough.
Change-Id: I8d1573923fdaac880a50d84acbebbf87461c50d2
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On 64-bit systems the SSL structure is 1/16th padding. This change
reorders some fields and changes one to a bitfield in order to reduce
the memory usage a little.
Change-Id: Id7626a44d22652254717d544bdc2e08f1b0d705f
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This isn't hugely important since the hs object will actually be
released at the end of the handshake, but no sense in holding on to them
longer than needed.
Also release |public_key| when we no longer need it and document what
the fields mean.
Change-Id: If677cb4a915c75405dabe7135205630527afd8bc
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C99 decided that, like PRI* macros, UINT64_C and friends should be
conditioned on __STDC_CONSTANT_MACROS in C++. C++11 then decided this
was ridiculous and overruled this decision. However, Android's headers
in older NDKs mistakenly followed the C99 rules for C++, so work around
this.
This fixes the android_arm bots.
Change-Id: I3b49e8dfc20190ebfa78876909bd0dccd3e210ea
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Android currently implements this manually (see NativeBN_putULongInt) by
reaching into BIGNUM's internals. BN_ULONG is a somewhat unfortunate API
anyway as the size is platform-dependent, so add a platform-independent
way to do this.
The other things Android needs are going to need more work, but this
one's easy.
BUG=97
Change-Id: I4af4dc29f9845bdce0f0663c379b4b5d3e1dc46e
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Code acting generically on an EVP_AEAD_CTX may wish to get at the
underlying EVP_AEAD.
Change-Id: I9cc905522ba76402bda4c255aa1488158323b02c
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clang's integrated assembler does not appear to support debug symbols
yet. (And somehow CMake has another statefulness bug that causes this to
only manifest on a second run, so the try bots aren't noticing.)
Also don't clobber the existing CMAKE_ASM_FLAGS value.
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access_denied is only used to indicate client cert errors and Chrome
maps it to ERR_SSL_BAD_CLIENT_AUTH_CERT accordingly:
access_denied
A valid certificate was received, but when access control was
applied, the sender decided not to proceed with negotiation. This
message is always fatal.
We don't appear to be the cause of Chrome's recent
ERR_SSL_BAD_CLIENT_AUTH_CERT spike, but we should send these correctly
nonetheless.
If the early callback fails, handshake_failure seems the most
appropriate ("I was unable to find suitable parameters"). There isn't
really an alert that matches DoS, but internal_error seems okay?
internal_error
An internal error unrelated to the peer or the correctness of the
protocol (such as a memory allocation failure) makes it impossible
to continue. This message is always fatal.
There's nothing wrong, per se, with your ClientHello, but I just can't
deal with it right now. Please go away.
Change-Id: Icd1c998c09dc42daa4b309c1a4a0f136b85eb69d
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Conscrypt uses these types. Note that BORINGSSL_MAKE_STACK_DELETER
requires DECLARE_STACK_OF to work. Otherwise the compiler gives some
really confusing error.
Change-Id: I8d194067ea6450937e4a8fcb4acbbf98a2550bce
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This withdraws support for -DBORINGSSL_ENABLE_RC4_TLS, and removes the
RC4 AEADs.
Change-Id: I1321b76bfe047d180743fa46d1b81c5d70c64e81
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Conscrypt would like to write a CTS test that the callback isn't set
unexpectedly.
Change-Id: I11f987422daf0544e90f5cff4d7aaf557ac1f5a2
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A METADATA file provides more structured information about included
third-party code.
Change-Id: I58b285ac2d73139e5b3843ba33d4d923b676afb7
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Since gcm_test now contains variable decls in for loops it needs
-std=c11. However, tests are compiled with C++ test_support files in
Bazel, which doesn't work with -std=c11.
Change-Id: Ife18c2d80b01448bb3b7ee2728412289bf749bd9
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This function (actually a macro in OpenSSL) is used by several projects
(e.g. OpenResty, OpenVPN, ...) so it can useuful to provide it for
compatibility.
However, depending on the semantics of the BIO type (e.g. BIO_pair), the
return value can be meaningless, which might explain why it was removed.
Change-Id: I0e432c92222c267eb994d32b0bc28e999c4b40a7
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The stuff around i being reused for |len| rounded to a number of blocks
is a little weird.
Change-Id: I6f07a82fe84d077062e5b34ce75cc68250be8a4a
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I'm not sure what happened here. These are both the same as
MissingKeyShare-Client.
Change-Id: I6601ed378d8639c1b59034f1e96c09a683bb62ca
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I hear our character set includes such novel symbols as '+'.
Change-Id: I96591a563317e71299748a948d68a849e15b5d60
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Reason for revert: Right now in TLS 1.3, certificate_auth is exactly
the same as whether we're doing resumption. With the weird reauth
stuff punted to later in the spec, having extra state is just more
room for bugs to creep in.
Original issue's description:
> Determining certificate_auth and key_exchange based on SSL.
>
> This allows us to switch TLS 1.3 to use non-cipher based negotiation
> without needing to use separate functions between 1.3 and below.
>
> BUG=77
>
> Change-Id: I9207e7a6793cb69e8300e2c15afe3548cbf82af2
> Reviewed-on: https://boringssl-review.googlesource.com/10803
> Reviewed-by: David Benjamin <davidben@google.com>
> Commit-Queue: David Benjamin <davidben@google.com>
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>
Change-Id: I240e3ee959ffd1f2481a06eabece3af554d20ffa
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It's easy to forget to check those. Unfortunately, it's also easy to
forget to check inner structures, which is going to be harder to stress,
but do these to start with. In doing, so fix up and unify some
error-handling, and add a missing check when parsing TLS 1.2
CertificateRequest.
This was also inspired by the recent IETF posting.
Change-Id: I27fe3cd3506258389a75d486036388400f0a33ba
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This will let us use the same test scenarios for testing messages with
trailing garbage or skipped messages.
Change-Id: I9f177983e8dabb6c94d3d8443d224b79a58f40b1
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We build with them for C files, so include it for the assembly files
too.
Change-Id: I1c595e18314b245330a6f047d0a97a031d55b115
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This was done just by grepping for 'size_t i;' and 'size_t j;'. I left
everything in crypto/x509 and friends alone.
There's some instances in gcm.c that are non-trivial and pulled into a
separate CL for ease of review.
Change-Id: I6515804e3097f7e90855f1e7610868ee87117223
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Really the only thing we should be doing with these ciphers is hastening
their demise, but it was the weekend and this seemed like fun.
EVP_tls_cbc_copy_mac needs to rotate a buffer by a secret amount. (It
extracts the MAC, but rotated.) We have two codepaths for this. If
CBC_MAC_ROTATE_IN_PLACE is defined (always on), we make some assumptions
abuot cache lines, play games with volatile, and hope that doesn't leak
anything. Otherwise, we do O(N^2) work to constant-time select the
rotation incidences.
But we can do O(N lg N). Rotate by powers of two and constant-time
select by the offset's bit positions. (Handwaivy lower-bound: an array
position has N possible values, so, armed with only a constant-time
select, we need O(lg N) work to resolve it. There's N array positions,
so O(N lg N).)
A microbenchmark of EVP_tls_cbc_copy_mac shows this is 27% faster than
the old one, but still 32% slower than the in-place version.
in-place:
Did 15724000 CopyFromMAC operations in 20000744us (786170.8 ops/sec)
N^2:
Did 8443000 CopyFromMAC operations in 20001582us (422116.6 ops/sec)
N lg N:
Did 10718000 CopyFromMAC operations in 20000763us (535879.6 ops/sec)
This results in the following the CBC ciphers. I measured
AES-128-CBC-SHA1 and AES-256-CBC-SHA384 which are, respectively, the
cipher where the other bits are the fastest and the cipher where N is
largest.
in-place:
Did 2634000 AES-128-CBC-SHA1 (16 bytes) open operations in 10000739us (263380.5 ops/sec): 4.2 MB/s
Did 1424000 AES-128-CBC-SHA1 (1350 bytes) open operations in 10002782us (142360.4 ops/sec): 192.2 MB/s
Did 531000 AES-128-CBC-SHA1 (8192 bytes) open operations in 10002460us (53086.9 ops/sec): 434.9 MB/s
N^2:
Did 2529000 AES-128-CBC-SHA1 (16 bytes) open operations in 10001474us (252862.7 ops/sec): 4.0 MB/s
Did 1392000 AES-128-CBC-SHA1 (1350 bytes) open operations in 10006659us (139107.4 ops/sec): 187.8 MB/s
Did 528000 AES-128-CBC-SHA1 (8192 bytes) open operations in 10001276us (52793.3 ops/sec): 432.5 MB/s
N lg N:
Did 2531000 AES-128-CBC-SHA1 (16 bytes) open operations in 10003057us (253022.7 ops/sec): 4.0 MB/s
Did 1390000 AES-128-CBC-SHA1 (1350 bytes) open operations in 10003287us (138954.3 ops/sec): 187.6 MB/s
Did 531000 AES-128-CBC-SHA1 (8192 bytes) open operations in 10002448us (53087.0 ops/sec): 434.9 MB/s
in-place:
Did 1249000 AES-256-CBC-SHA384 (16 bytes) open operations in 10001767us (124877.9 ops/sec): 2.0 MB/s
Did 879000 AES-256-CBC-SHA384 (1350 bytes) open operations in 10009244us (87818.8 ops/sec): 118.6 MB/s
Did 344000 AES-256-CBC-SHA384 (8192 bytes) open operations in 10025897us (34311.1 ops/sec): 281.1 MB/s
N^2:
Did 1072000 AES-256-CBC-SHA384 (16 bytes) open operations in 10008090us (107113.3 ops/sec): 1.7 MB/s
Did 780000 AES-256-CBC-SHA384 (1350 bytes) open operations in 10007787us (77939.3 ops/sec): 105.2 MB/s
Did 333000 AES-256-CBC-SHA384 (8192 bytes) open operations in 10016332us (33245.7 ops/sec): 272.3 MB/s
N lg N:
Did 1168000 AES-256-CBC-SHA384 (16 bytes) open operations in 10007671us (116710.5 ops/sec): 1.9 MB/s
Did 836000 AES-256-CBC-SHA384 (1350 bytes) open operations in 10001536us (83587.2 ops/sec): 112.8 MB/s
Did 339000 AES-256-CBC-SHA384 (8192 bytes) open operations in 10018522us (33837.3 ops/sec): 277.2 MB/s
TLS CBC performance isn't as important as it was before, and the costs
aren't that high, so avoid making assumptions about cache lines. (If we
care much about CBC open performance, we probably should get the malloc
out of EVP_tls_cbc_digest_record at the end.)
Change-Id: Ib8d8271be4b09e5635062cd3b039e1e96f0d9d3d
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Change-Id: I676d7fb00d63d74946b96c22ae2705072033c5f7
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This allows us to switch TLS 1.3 to use non-cipher based negotiation
without needing to use separate functions between 1.3 and below.
BUG=77
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For consistency and to avoid a pedantic GCC warning (even though it's
mostly old legacy code).
Change-Id: Iea63eb0a82ff52914adc33b83e48450f4f6a49ef
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In OpenSSL, they're used in the 32-bit x86 Blowfish, CAST, DES, and RC5
assembly bits. We don't have any of those.
Change-Id: I36f22ca873842a200323cd3f398d2446f7bbabca
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This simplifies the logic around SSL_clear to reset the state for a new
handshake. The state around here is still a little iffy, but this is a
slight improvement.
The SSL_ST_CONNECT and SSL_ST_ACCEPT states are still kept separate to
avoid problems with the info callback reporting SSL_ST_INIT. Glancing
through info callback consumers, although they're all debugging, they
tend to assume that all intermediate states either have only
SSL_ST_CONNECT set or only SSL_ST_ACCEPT set.
(They also all look identical which makes me think it's copy-and-pasted
from OpenSSL command-line tool or something.)
Change-Id: I55503781e52b51b4ca829256c14de6f5942dae51
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This mechanism is incompatible with deploying draft versions of TLS 1.3.
Suppose a draft M client talks to a draft N server, M != N. (Either M or
N could also be the final standard revision should there be lingering
draft clients or servers.) The server will notice the mismatch and
pretend ClientHello.version is TLS 1.2, not TLS 1.3. But this will
trigger anti-downgrade signal and cause an interop failure! And if it
doesn't trigger, all the clever tricks around ServerHello.random being
signed in TLS 1.2 are moot.
We'll put this back when the dust has settled.
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The (rather long...) preamble to aead.h still said we allowed this.
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We need time.h for clock_gettime on Linux. Previously, scoped_types.h
was pulling in everything and getting it for us, but now it doesn't
exist. We seem to have been pulling it in on accident anyway but
it seems Android's system headers end up not doing so.
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I keep wishing we had that available and patching this in.
Change-Id: I4ef04fcc6be5b00a9fcbdc2771a7ee7e2313b5c5
Reviewed-on: https://boringssl-review.googlesource.com/10980
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(Imported from upstream's 2a20b6d9731488bcb500e58a434375f59fb9adcc)
Change-Id: If3db4dac3d4cd675cf7854c4e154823d25d00eb9
Reviewed-on: https://boringssl-review.googlesource.com/10921
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The compiler complains about:
error: explicit specialization of
'bssl::internal::Deleter<evp_pkey_st>' after instantiation
This is because, although the deleter's operator() is not instantiated
without emitting std::unique_ptr's destructor, the deleter itself *is*.
Deleters are allowed to have non-zero size, so a std::unique_ptr
actually embeds a copy of the deleter, so it needs the size of the
deleter.
As with all problems in computer science, we fix this with a layer of
indirection. Instead of specializing the deleter, we specialize
bssl::internal::DeleterImpl which, when specialized, has a static method
Free. That is only instantiated inside
bssl::internal::Deleter::operator(), giving us the desired properties.
(Did I mention forward decls are terrible? I wish people wouldn't want
them so much.)
Also appease clang-format.
Change-Id: I9a07b2fd13e8bdfbd204e225ac72c52d20a397dc
Reviewed-on: https://boringssl-review.googlesource.com/10964
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(Imported from upstream's a404656a8b40d9f1172e5e330f7e2d9d87cabab8)
Change-Id: I4ddebfbaeab433bae7c1393a8258d786801bb633
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Not that this matters in the slightest, but the recent IETF mailing
reminded me we don't test this.
Change-Id: I300c96d6a63733d538a7019a7cb74d4e65d0498f
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Although RFC 6066 recommends against it, some servers send a warning
alert prior to ServerHello on SNI mismatch, and, per spec, TLS 1.2
allows it.
We're fine here, but add a test for it. It interacts interestingly with
TLS 1.3 forbidding warning alerts because it happens before version
negotiation.
Change-Id: I0032313c986c835b6ae1aa43da6ee0dad17a97c2
Reviewed-on: https://boringssl-review.googlesource.com/10800
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It lacks std::unique_ptr, despite some consumers using it with C++11 in
the compiler enabled.
Change-Id: Icc79ac4f2385440b36aa6b01b1477abcfa8a9388
Reviewed-on: https://boringssl-review.googlesource.com/10841
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Now that we have the extern "C++" trick, we can just embed them in the
normal headers. Move the EVP_CIPHER_CTX deleter to cipher.h and, in
doing so, take away a little bit of boilerplate in defining deleters.
Change-Id: I4a4b8d0db5274a3607914d94e76a38996bd611ec
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It was switched to using the callbacks, but the callbacks require
SSL_SESS_CACHE_CLIENT be set.
(We should possibly just stop conditioning the callback on that bit
since it doesn't do anything.)
Change-Id: I96277b8a75975a86393260a6291eafc9cb2c6a78
Reviewed-on: https://boringssl-review.googlesource.com/10805
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Change-Id: I431c6e5b8f7de4663ba3db52f6fe0062caaf88ba
Reviewed-on: https://boringssl-review.googlesource.com/10820
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