Commit Graph

463 Commits

Author SHA1 Message Date
David Benjamin
ab6306bcb6 Fix fuzzer mode suppressions.
Some new tests needed to be suppressed.

Change-Id: I4474d752c338a18440efb213e0795ae81ad754fb
Reviewed-on: https://boringssl-review.googlesource.com/11583
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
2016-10-13 19:12:44 +00:00
David Benjamin
a128a55e0b Update the TLS 1.3 draft version to draft 16.
This should land in the same group of revisions as the two parent
commits.

Change-Id: Id9d769b890b3308ea70b705e7241c73cb1930ede
Reviewed-on: https://boringssl-review.googlesource.com/11581
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
2016-10-13 19:12:36 +00:00
David Benjamin
3baa6e153b Implement draft 16 HelloRetryRequest and cookie.
We'll never send cookies, but we'll echo them on request. Implement it
in runner as well and test.

BUG=98

Change-Id: Idd3799f1eaccd52ac42f5e2e5ae07c209318c270
Reviewed-on: https://boringssl-review.googlesource.com/11565
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
2016-10-13 19:12:30 +00:00
Steven Valdez
c4aa727e73 Updating Key Schedule and KeyUpdate to draft 16.
This doesn't currently honor the required KeyUpdate response. That will
be done in a follow-up.

BUG=74

Change-Id: I750fc41278736cb24230303815e839c6f6967b6a
Reviewed-on: https://boringssl-review.googlesource.com/11412
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
2016-10-13 19:12:23 +00:00
David Benjamin
490469f850 Test unknown TLS 1.3 ServerHello extensions.
These too must be rejected. Test both unknown extensions and extensions
in the wrong context.

Change-Id: I54d5a5060f9efc26e5e4d23a0bde3c0d4d302d09
Reviewed-on: https://boringssl-review.googlesource.com/11501
Reviewed-by: Steven Valdez <svaldez@google.com>
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>
2016-10-11 19:12:13 +00:00
David Benjamin
1db9e1bc7a Add the certificate_required alert.
This is part of TLS 1.3 draft 16 but isn't much of a wire format change,
so go ahead and add it now. When rolling into Chromium, we'll want to
add an entry to the error mapping.

Change-Id: I8fd7f461dca83b725a31ae19ef96c890d603ce53
Reviewed-on: https://boringssl-review.googlesource.com/11563
Reviewed-by: David Benjamin <davidben@google.com>
2016-10-10 15:48:06 +00:00
David Benjamin
5d9ba81b6c Enable more TLS 1.3 resumption tests.
We missed these two.

Change-Id: I2bc45f6c88e882c36abaa12a02931d1af0b1f29f
Reviewed-on: https://boringssl-review.googlesource.com/11562
Reviewed-by: David Benjamin <davidben@google.com>
2016-10-10 15:47:31 +00:00
David Benjamin
34941c0cab Forbid renego in SSL 3.0.
We need to retain a pair of Finished messages for renegotiation_info.
SSL 3.0's is actually larger than TLS 1.2's (always 12 bytes). Take
renegotiation out in preparation for trimming them to size.

Change-Id: I2e238c48aaf9be07dd696bc2a6af75e9b0ead299
Reviewed-on: https://boringssl-review.googlesource.com/11570
Reviewed-by: Adam Langley <agl@google.com>
2016-10-09 17:44:54 +00:00
David Benjamin
1286beef94 Test that unknown TLS 1.3 ticket extensions are tolerated.
Change-Id: Ifcdbeab9291d1141605a09a1960702c792cffa86
Reviewed-on: https://boringssl-review.googlesource.com/11561
Reviewed-by: Steven Valdez <svaldez@google.com>
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>
2016-10-07 21:00:59 +00:00
David Benjamin
1a5e8ecd64 Apply GREASE to TLS 1.3 tickets.
Change-Id: I5d4fc0d3204744e93d71a36923469035c19a5b10
Reviewed-on: https://boringssl-review.googlesource.com/11560
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Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
2016-10-07 20:58:26 +00:00
David Benjamin
7f78df470b Add a few more tests around processing the server PSK extension.
The server acknowledging a non-existent session is a particularly
interesting case since getting it wrong means a NULL crash.

Change-Id: Iabde4955de883595239cfd8e9d84a7711e60a886
Reviewed-on: https://boringssl-review.googlesource.com/11500
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: 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>
2016-10-06 14:38:01 +00:00
Steven Valdez
803c77a681 Update crypto negotation to draft 15.
BUG=77

Change-Id: If568412655aae240b072c29d763a5b17bb5ca3f7
Reviewed-on: https://boringssl-review.googlesource.com/10840
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Commit-Queue: David Benjamin <davidben@google.com>
2016-10-06 14:37:09 +00:00
Steven Valdez
5b9860827f Updating NewSessionTicket message and updating PSK to Draft 15.
BUG=77

Change-Id: Id8c45e98c4c22cdd437cbba1e9375239e123b261
Reviewed-on: https://boringssl-review.googlesource.com/10763
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>
2016-10-06 14:36:12 +00:00
David Benjamin
5ecb88b95b Make EnableAllCiphers client-only and rename.
EnableAllCiphers is problematic since some (version, cipher)
combinations aren't even defined and crash. Instead, use the
SendCipherSuite bug to mask the true cipher (which is becomes arbitrary)
for failure tests. The shim should fail long before we get further.

This lets us remove a number of weird checks in the TLS 1.3 code.

This also fixes the UnknownCipher tests which weren't actually testing
anything. EnableAllCiphers is now AdvertiseAllConfiguredCiphers and
does not filter out garbage values.

Change-Id: I7102fa893146bb0d096739e768c5a7aa339e51a8
Reviewed-on: https://boringssl-review.googlesource.com/11481
Reviewed-by: Steven Valdez <svaldez@google.com>
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>
2016-10-05 14:34:58 +00:00
David Benjamin
daa8850c83 Add tests for OCSP's interaction with resumption.
This is another case where the specification failed to hammer things
down and OpenSSL messed it up as a result. Also fix the SCT test in TLS
1.3.

Change-Id: I47541670447d1929869e1a39b2d9671a127bfba0
Reviewed-on: https://boringssl-review.googlesource.com/11480
Reviewed-by: Steven Valdez <svaldez@google.com>
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>
2016-10-04 20:53:21 +00:00
David Benjamin
6dbde984a2 Fix TLS 1.3 minimum version tests.
The client/server split didn't actually make sense. We're interested in
whether the client will notice the bad version before anything else, so
ignore peer cipher preferences so all combinations work.

Change-Id: I52f84b932509136a9b39d93e46c46729c3864bfd
Reviewed-on: https://boringssl-review.googlesource.com/11413
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Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
2016-10-04 14:57:24 +00:00
David Benjamin
ad75a661bf Improve version extension tests.
ConflictingVersionNegotiation really should be about, say 1.1 and 1.2
since those may be negotiated via either mechanism. (Those two cases are
actually kinda weird and we may wish to change the spec. But, in the
meantime, test that we have the expected semantics.)

Also test that we ignore true TLS 1.3's number for now, until we use it,
and that TLS 1.3 suitably ignores ClientHello.version.

Change-Id: I76c660ddd179313fa68b15a6fda7a698bef4d9c9
Reviewed-on: https://boringssl-review.googlesource.com/11407
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2016-10-03 18:30:10 +00:00
David Benjamin
592b532dda Fix TLS 1.3 downgrade detection tests.
They weren't updated for the new version negotiation. (Though right now
they're just testing that we *don't* implement the downgrade detection
because it's a draft version.)

Change-Id: I4c983ebcdf3180d682833caf1e0063467ea41544
Reviewed-on: https://boringssl-review.googlesource.com/11406
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2016-10-03 18:26:55 +00:00
David Benjamin
7f0965a66d Check versions before trying to send KeyUpdate.
Otherwise we panic. Thanks to EKR for reporting.

Change-Id: Ie4b6c2e18e1c77c7b660ca5d4c3bafb38a82cb6a
Reviewed-on: https://boringssl-review.googlesource.com/11405
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2016-10-03 18:26:19 +00:00
David Benjamin
a252b34d66 Add tests for very large handshake messages.
OpenSSL recently had a regression here (CVE-2016-6309). We're fine,
but so that we stay that way, add some tests.

Change-Id: I244d7ff327b7aad550f86408c5e5e65e6d1babe5
Reviewed-on: https://boringssl-review.googlesource.com/11321
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>
2016-09-29 16:31:54 +00:00
David Benjamin
d9791bf10a Apply GREASE to the version extension.
BUG=106

Change-Id: Iaa12aeb67627f3c22fe4a917c89c646cb3dc1843
Reviewed-on: https://boringssl-review.googlesource.com/11325
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-27 21:07:52 +00:00
Steven Valdez
fdd10998e1 Moving TLS 1.3 version negotiation into extension.
Change-Id: I73f9fd64b46f26978b897409d817b34ec9d93afd
Reviewed-on: https://boringssl-review.googlesource.com/11080
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-27 20:12:22 +00:00
David Benjamin
b1dd8cdab5 Prepare runner's wire/version conversions for the version extension.
This mirror's 2dc0204603 on the C side.

BUG=90

Change-Id: Iebb72df5a5ae98cb2fd8db519d973cd734ff05ea
Reviewed-on: https://boringssl-review.googlesource.com/11320
Reviewed-by: Steven Valdez <svaldez@google.com>
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>
2016-09-27 15:09:38 +00:00
David Benjamin
3c6a1ea674 Apply version/wire mapping at a higher layer in runner.
This is in preparation for implementing the version extension and is
probably what we should have done from the beginning as it makes
intolerance bugs simpler.

This means knobs like SendClientVersion and SendServerVersion deal with
the wire values while knobs like NegotiateVersion and MaxVersion deal
with logical versions. (This matches how the bugs have always worked.
SendFoo is just a weird post-processing bit on the handshake messages
while NegotiateVersion actually changes how BoGo behaves.)

BUG=90

Change-Id: I7f359d798d0899fa2742107fb3d854be19e731a4
Reviewed-on: https://boringssl-review.googlesource.com/11300
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-27 15:09:16 +00:00
David Benjamin
65ac997f20 Implement draft-davidben-tls-grease-01.
This GREASEs cipher suites, groups, and extensions. For now, we'll
always place them in a hard-coded position. We can experiment with more
interesting strategies later.

If we add new ciphers and curves, presumably we prefer them over current
ones, so place GREASE values at the front. This prevents implementations
from parsing only the first value and ignoring the rest.

Add two new extensions, one empty and one non-empty. Place the empty one
in front (IBM WebSphere can't handle trailing empty extensions) and the
non-empty one at the end.

Change-Id: If2e009936bc298cedf2a7a593ce7d5d5ddbb841a
Reviewed-on: https://boringssl-review.googlesource.com/11241
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>
2016-09-23 21:11:15 +00:00
David Benjamin
1032df56e7 Disable Channel ID signature checking in fuzzer mode.
Get us a little bit more room here.

BUG=79

Change-Id: Ifadad94ead7794755a33f02d340111694b3572af
Reviewed-on: https://boringssl-review.googlesource.com/11228
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2016-09-22 21:35:12 +00:00
David Benjamin
7364719655 Rename NPN-Server test.
That is an extremely confusing name. It should be NPN-Declined-TLS13.

Change-Id: I0e5fa50a3ddb0b80e88a8bc10d0ef87d0fff0a54
Reviewed-on: https://boringssl-review.googlesource.com/11227
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2016-09-22 21:35:07 +00:00
David Benjamin
c07afb79f6 Record resumption and renewal transcripts separately.
We recently added a three-connection option, but the transcripts were
still assuming just -Normal and -Resume.

Change-Id: I8816bce95dd7fac779af658e3eb86bc78bb95c91
Reviewed-on: https://boringssl-review.googlesource.com/11226
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
2016-09-22 21:32:14 +00:00
David Benjamin
01a905717c Fix remaining non-determinism in fuzzer transcripts.
Both the C and Go code were sampling the real clock. With this, two
successive iterations of runner transcripts give the same output.

Change-Id: I4d9e219e863881bf518c5ac199dce938a49cdfaa
Reviewed-on: https://boringssl-review.googlesource.com/11222
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2016-09-22 21:14:00 +00:00
David Benjamin
ac5e47f300 Add a fuzzer mode suppressions file.
We want to ensure -fuzzer passes tests, except for the tests it
intentionally fails on. This ensures that we don't lose our ability to
refresh the fuzzer transcripts.

Change-Id: I761856c30379a3934fd46a24627ef8415b136f93
Reviewed-on: https://boringssl-review.googlesource.com/11221
Reviewed-by: Adam Langley <agl@google.com>
2016-09-22 21:11:23 +00:00
David Benjamin
196df5bfa2 Add a InvalidChannelIDSignature test.
Apparently we never wrote one of those. Also send a decrypt_error alert
to be consistent with all the other signature checks.

Change-Id: Ib5624d098d1e3086245192cdce92f5df26005064
Reviewed-on: https://boringssl-review.googlesource.com/11180
Reviewed-by: David Benjamin <davidben@google.com>
2016-09-22 20:41:41 +00:00
David Benjamin
f3fbadeae0 Add tests for SSL_peek.
SSL_peek works fine for us, but OpenSSL 1.1.0 regressed this
(https://github.com/openssl/openssl/issues/1563), and we don't have
tests either. Fix this.

SSL_peek can handle all weird events that SSL_read can, so use runner
and tell bssl_shim to do a SSL_peek + SSL_peek + SSL_read instead of
SSL_read. Then add tests for all the events we may discover.

Change-Id: I9e8635e3ca19653a02a883f220ab1332d4412f98
Reviewed-on: https://boringssl-review.googlesource.com/11090
Reviewed-by: Adam Langley <agl@google.com>
2016-09-22 18:45:20 +00:00
David Benjamin
af56fbd62a Renumber TLS 1.3 signature algorithms.
The old numbers violate a MUST-level requirement in TLS 1.2 to not
advertise anonymous (0x0700 ends in 0x00). The spec has been updated
with new allocations which avoid these.

BUG=webrtc:6342

Change-Id: Ia5663ada98fa1ebf0f8a7f50fe74a0e9206c4194
Reviewed-on: https://boringssl-review.googlesource.com/11131
Reviewed-by: Adam Langley <agl@google.com>
2016-09-21 20:54:15 +00:00
David Benjamin
7e1f984a7c Fix some bugs in TLS 1.3 server key_share code.
Found by libFuzzer and then one more mistake caught by valgrind. Add a
test for this case.

Change-Id: I92773bc1231bafe5fc069e8568d93ac0df4c8acb
Reviewed-on: https://boringssl-review.googlesource.com/11129
Reviewed-by: David Benjamin <davidben@google.com>
2016-09-21 20:40:10 +00:00
David Benjamin
2dc0204603 Don't return invalid versions in version_from_wire.
This is in preparation for using the supported_versions extension to
experiment with draft TLS 1.3 versions, since we don't wish to restore
the fallback. With versions begin opaque values, we will want
version_from_wire to reject unknown values, not attempt to preserve
order in some way.

This means ClientHello.version processing needs to be separate code.
That's just written out fully in negotiate_version now. It also means
SSL_set_{min,max}_version will notice invalid inputs which aligns us
better with upstream's versions of those APIs.

This CL doesn't replace ssl->version with an internal-representation
version, though follow work should do it once a couple of changes land
in consumers.

BUG=90

Change-Id: Id2f5e1fa72847c823ee7f082e9e69f55e51ce9da
Reviewed-on: https://boringssl-review.googlesource.com/11122
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>
2016-09-21 19:51:45 +00:00
David Benjamin
d2ba8891e0 Improve -valgrind error-handling.
Passing --quiet makes valgrind only print out errors, so we don't need
to suppress things. Combine that with checking valgrind's dedicated exit
code so we notice errors that happen before the "---DONE---" marker.

This makes that marker unnecessary for valgrind. all_tests.go was not
sensitive to this, but still would do well to have valgrind be silent.

Change-Id: I841edf7de87081137e38990e647e989fd7567295
Reviewed-on: https://boringssl-review.googlesource.com/11128
Reviewed-by: Adam Langley <agl@google.com>
2016-09-21 17:25:32 +00:00
David Benjamin
9aafb64849 Don't swallow tool output on failure.
If the test failed due to non-ASan reasons but ASan also had errors,
output those too.

Change-Id: Id908fe2a823c59255c6a9585dfaa894a4fcd9f59
Reviewed-on: https://boringssl-review.googlesource.com/11127
Reviewed-by: Adam Langley <agl@google.com>
2016-09-21 17:24:42 +00:00
David Benjamin
7a4aaa4ce7 Fix TLS 1.3 fuzzer mode in Go.
Runner needs to implement fuzzer mode as well so we can record
transcripts from it. A bunch of tests were failing:

- C and Go disagreed on what fuzzer mode did to TLS 1.3 padding. So we
  fuzz more code, align Go with C. Fuzzer mode TLS 1.3 still pads but
  just skips the final AEAD.

- The deterministic RNG should be applied per test, not per exchange. It
  turns out, if your RNG is deterministic, one tends to pick the same
  session ID over and over which confuses clients. (Resumption is
  signaled by echoing the session ID.)

Now the only failing tests are the ones one would expect to fail.

BUG=79

Change-Id: Ica23881a6e726adae71e6767730519214ebcd62a
Reviewed-on: https://boringssl-review.googlesource.com/11126
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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2016-09-21 17:18:40 +00:00
David Benjamin
e0ff767025 Remove SSL_set_fallback_version.
Ding-dong the fallback's dead.
https://mailarchive.ietf.org/arch/msg/tls/xfCh7D7hISFs5x-eA0xHwksoLrc

Also we'll need to tweak the versioning code slightly to implement
supported_versions and it's nice to have this out of the way.

Change-Id: I0961e19ea56b4afd828f6f48858ac6310129503d
Reviewed-on: https://boringssl-review.googlesource.com/11120
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-21 17:03:42 +00:00
David Benjamin
e63d9d7625 Test interaction of RSA key exchange and ClientHello.version.
If we see garbage in ClientHello.version and then select static RSA,
that garbage is what goes in the premaster.

Change-Id: I65190a44439745e6b5ffaf7669f063da725c8097
Reviewed-on: https://boringssl-review.googlesource.com/11092
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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2016-09-20 23:13:52 +00:00
David Benjamin
786793411a Do not distinguish NULL and empty PSK identity hints.
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
Reviewed-on: https://boringssl-review.googlesource.com/11087
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>
2016-09-20 23:00:47 +00:00
David Benjamin
2c66e079ab Don't send the access_denied alert innappropriately.
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
Reviewed-on: https://boringssl-review.googlesource.com/11084
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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2016-09-16 20:12:09 +00:00
David Benjamin
9a5f49eec0 Remove a few more remnants of RC4/TLS.
Change-Id: I5d7fd9ba0688a3ebd6f6d36768cc3c0e33e2da52
Reviewed-on: https://boringssl-review.googlesource.com/11081
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Reviewed-by: Matt Braithwaite <mab@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
2016-09-16 16:34:50 +00:00
David Benjamin
45bdb2e1e3 Remove identical tests.
I'm not sure what happened here. These are both the same as
MissingKeyShare-Client.

Change-Id: I6601ed378d8639c1b59034f1e96c09a683bb62ca
Reviewed-on: https://boringssl-review.googlesource.com/11007
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>
Commit-Queue: David Benjamin <davidben@google.com>
2016-09-13 15:50:35 +00:00
David Benjamin
639846e5e4 Add tests for trailing data in handshake messages.
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
Reviewed-on: https://boringssl-review.googlesource.com/10963
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-12 21:00:50 +00:00
David Benjamin
cd2c806530 Factor per-message test machinery out.
This will let us use the same test scenarios for testing messages with
trailing garbage or skipped messages.

Change-Id: I9f177983e8dabb6c94d3d8443d224b79a58f40b1
Reviewed-on: https://boringssl-review.googlesource.com/10962
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-12 19:56:40 +00:00
David Benjamin
5510863fbd Temporary remove the TLS 1.3 anti-downgrade mechanism.
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.

Change-Id: Ic3cf72b7c31ba91e5cca0cfd7a3fca830c493a43
Reviewed-on: https://boringssl-review.googlesource.com/11005
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
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2016-09-12 18:10:23 +00:00
David Benjamin
c241d79261 Add tests around compression methods.
Not that this matters in the slightest, but the recent IETF mailing
reminded me we don't test this.

Change-Id: I300c96d6a63733d538a7019a7cb74d4e65d0498f
Reviewed-on: https://boringssl-review.googlesource.com/10961
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-09 17:29:21 +00:00
David Benjamin
abe94e3b0d Test that SNI warning alerts are ignored.
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
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2016-09-09 16:20:25 +00:00
David Benjamin
57e929f3c8 Enable RSA-PSS in TLS 1.2 by default.
Add a test that RSA-PSS is available in TLS 1.2 by default, both for
signing and verifying. Note that if a custom SSL_PRIVATE_KEY_METHOD is
used and it sets signing preferences, it won't use RSA-PSS if it doesn't
know about it. (See *-Sign-Negotiate-* tests.)

Change-Id: I3776a0c95480188a135795f7ebf31f2b0e0626cc
Reviewed-on: https://boringssl-review.googlesource.com/10723
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
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2016-08-30 22:50:05 +00:00