peer_sigalgs should live on SSL_HANDSHAKE. This both releases a little
bit of memory after the handshake is over and also avoids the bug where
the sigalgs get dropped if SSL_set_SSL_CTX is called at a bad time. See
also upstream's 14e14bf6964965d02ce89805d9de867f000095aa.
This only affects consumers using the old SNI callback and not
select_certificate_cb.
Add a test that the SNI callback works as expected. In doing so, add an
SSL_CTX version of the signing preferences API. This is a property of
the cert/key pair (really just the key) and should be tied to that. This
makes it a bit easier to have the regression test work with TLS 1.2 too.
I thought we'd fixed this already, but apparently not... :-/
BUG=95
Change-Id: I75b02fad4059e6aa46c3b05183a07d72880711b3
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958aaf1ea1, imported from upstream, had an
off-by-one error. Reproducing the failure is fairly easy as it can't
even serialize 1. See also upstream's
099e2968ed3c7d256cda048995626664082b1b30.
Rewrite the function completely with CBB and add a basic test.
BUG=chromium:639740
Change-Id: I41a91514c4bb9e83854824ed5258ffe4e49d9491
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None of these extensions may be negotiated in TLS 1.3 and are otherwise
on by default. Make the future QUIC/TLS1.3 ClientHello a hair smaller.
Change-Id: I613c339d95470676c78f21fd29e888b7701692c6
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Apparently we forgot to do this.
Change-Id: I348cf6d716ae888fddce69ba4801bf09446f5a72
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Chromium has switched to better APIs.
Change-Id: I26209b3a03c6a0db1ddce2f1fc99c8750cf6e56a
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Change-Id: Ie60744761f5aa434a71a998f5ca98a8f8b1c25d5
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I'll hold on regenerating the transcripts until either the protocol has
stablized more or we're ready to start actually deploying some of this,
but we can get this in now.
Confirmed these #ifdef points are covered by tests:
- BadFinished-*-TLS13
- *-InvalidSignature-*-TLS13
BUG=79
Change-Id: I5f6b9d0f50ac33d5cc79688928fb3fdf6df845ae
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However, for now, we will only enable it if TLS 1.3 is offered.
BUG=85
Change-Id: I958ae0adeafee553dbffb966a6fa41f8a81cef96
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Having two copies of this is confusing. This field is inherently tied to
the certificate chain, which lives on SSL_SESSION, so this should live
there too. This also wasn't getting reset correctly on SSL_clear, but
this is now resolved.
Change-Id: I22b1734a93320bb0bf0dc31faa74d77a8e1de906
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As documented by OpenSSL, it does not interact with session resumption
correctly:
https://www.openssl.org/docs/manmaster/ssl/SSL_set_verify_result.html
Sadly, netty-tcnative calls it, but we should be able to get them to
take it out because it doesn't do anything. Two of the three calls are
immediately after SSL_new. In OpenSSL and BoringSSL as of the previous
commit, this does nothing.
The final call is in verify_callback (see SSL_set_verify). This callback
is called in X509_verify_cert by way of X509_STORE_CTX_set_verify_cb.
As soon as X509_verify_cert returns, ssl->verify_result is clobbered
anyway, so it doesn't do anything.
Within OpenSSL, it's used in testdane.c. As far as I can tell, it does
not actually do a handshake and just uses this function to fake having
done one. (Regardless, we don't need to build against that.)
This is done in preparation for removing ssl->verify_result in favor of
session->verify_result.
Change-Id: I7e32d7f26c44f70136c72e58be05a3a43e62582b
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In TLS 1.3 draft 14, due to resumption using a different cipher, this
is actually not too hard to mess up. (In fact BoGo didn't quite get it
right.)
Fortunately, the new cipher suite negotiation in draft 15 should make
this reasonable again once we implement it. In the meantime, test it.
Change-Id: I2eb948eeaaa051ecacaa9095b66ff149582ea11d
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Change-Id: I2e1ee319bb9852b9c686f2f297c470db54f72279
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Per Piotr, all caps is the proper rendering.
Change-Id: I783016a6ed7e29f49369fabbcfa49b66910e4954
Reviewed-on: https://boringssl-review.googlesource.com/10486
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BUG=84
Change-Id: Ie5eaefddd161488996033de28c0ebd1064bb793d
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9498e74 changed the default value of verify_result to an error. This
tripped up NGINX, which depends on a bug[1] in OpenSSL. netty-tcnative
also uses this behavior, though it currently isn't tripped up by 9498e74
because it calls |SSL_set_verify_result|. However, we would like to
remove |SSL_set_verify_result| and with two data points, it seems this
is behavior we must preserve.
This change sets |verify_result| to |X509_V_OK| when a) no client
certificate is requested or b) none is given and it's optional.
[1] See BUGS in https://www.openssl.org/docs/manmaster/ssl/SSL_get_verify_result.html
Change-Id: Ibd33660ae409bfe272963a8c39b7e9aa83c3d635
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s3_both.c does a few too many things right now, but SSL_HANDSHAKE is not
only for TLS 1.3.
Change-Id: Ieac17c592a1271d4d5c9cee005eaf5642772b8f5
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Also fix up those tests as they were a little confused. It is always the
shim that signs and has a configured certificate in these tests.
BUG=95
Change-Id: I57a6b1bad19986c79cd30aaa6cf3b8ca307ef8b2
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I found an earlier reference for an algorithm for the optimized
computation of n0 that is very similar to the one in the "Montgomery
Multiplication" paper cited in the comments. Add a reference to it.
Henry S. Warren, Jr. pointed out that his "Montgomery Multiplication"
paper is not a chapter of his book, but a supplement to the book.
Correct the reference to it.
Change-Id: Iadeb148c61ce646d1262ccba0207a31ebdad63e9
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This was causing some Android breakage. The real bug is actually
entirely in Android for getting its error-handling code wrong and not
handling multiple errors. I'll fix that. (See b/30917411.)
That said, BN_R_NO_INVERSE is a perfectly legitimate reason for those
operations to fail, so ERR_R_INTERNAL_ERROR isn't really a right thing
to push in front anyway. We're usually happy enough with single-error
returns (I'm still a little skeptical of this queue idea), so let's just
leave it at that.
Change-Id: I469b6e2b5987c6baec343e2cfa52bdcb6dc42879
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One less thing to keep track of.
https://github.com/tlswg/tls13-spec/pull/549 got merged.
Change-Id: Ide66e547140f8122a3b8013281be5215c11b6de0
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The TLS 1.3 state machine is actually less in need of the aggressive
state machine coverage tests, but nonetheless, we should cover all
handshake shapes. PSK resumption and HelloRetryRequest were missing.
We were also accidentally running "DTLS" versions of the TLS 1.3 tests
but silently running TLS 1.2.
Change-Id: I65db4052b89d770db7e47738e73aaadde9634236
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Right now the logic happens twice which is a nuisance.
Change-Id: Ia8155ada0b4479b2ca4be06152b8cd99816e14e8
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Some version mismatch cases were not being covered due to TLS 1.2 and
TLS 1.3 having very different spellings for tickets resumption. Also
explicitly test that TLS 1.2 tickets aren't offered in the TLS 1.3 slot
and vice versa.
Change-Id: Ibe58386ea2004fb3c1af19342b8d808f13f737a9
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BUG=75
Change-Id: Ied864cfccbc0e68d71c55c5ab563da27b7253463
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If an oversize BIGNUM is presented to BN_bn2dec() it can cause
BN_div_word() to fail and not reduce the value of 't' resulting
in OOB writes to the bn_data buffer and eventually crashing.
Fix by checking return value of BN_div_word() and checking writes
don't overflow buffer.
Thanks to Shi Lei for reporting this bug.
CVE-2016-2182
(Imported from upstream's e36f27ddb80a48e579783bc29fb3758988342b71.)
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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.
Change-Id: Ia8379d2dd30606f6a81ce24dee8852312cb7f127
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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.
Change-Id: I7868080fae52b46fb9f9147543c0f7970d8fff98
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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.
Change-Id: I31bbfb88aa9b718083ecce6d1a834f27683cf002
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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).
Change-Id: I6b509248f228c3a02308c61afbb10975573d3b16
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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
Change-Id: If33888430f32e51f48936db4046769aa1894e3aa
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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.
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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.
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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.
Change-Id: Ic646053d29b69a114e2efea61d593d5e912bdcd0
Reviewed-on: https://boringssl-review.googlesource.com/10225
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>
