Commit Graph

5288 Commits

Author SHA1 Message Date
Alessandro Ghedini
a0373182eb Update QUIC transport parameters extension codepoint
This was changed in draft-ietf-quic-tls-13 to use a codepoint from the
reserved range.

Change-Id: Ia3cda249a3f37bc244d5c8a7765ec34a5708c9ae
Reviewed-on: https://boringssl-review.googlesource.com/29464
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2018-06-28 17:41:58 +00:00
David Benjamin
9bb15f58f7 Remove SSL 3.0 implementation.
Update-Note: SSL_CTX_set_min_proto_version(SSL3_VERSION) now fails.
   SSL_OP_NO_SSLv3 is now zero. Internal SSL3-specific "AEAD"s are gone.

Change-Id: I34edb160be40a5eea3e2e0fdea562c6e2adda229
Reviewed-on: https://boringssl-review.googlesource.com/29444
Commit-Queue: David Benjamin <davidben@google.com>
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Reviewed-by: Adam Langley <agl@google.com>
2018-06-28 16:54:58 +00:00
David Benjamin
fec83fc78d Order draft-28 over draft-23.
This doesn't particularly matter since most clients don't typically
advertise both versions, but we should presumably prefer the newer one.

Change-Id: If636e446c6af2049fc5743eb5fef04b780b29af9
Reviewed-on: https://boringssl-review.googlesource.com/29445
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
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2018-06-27 21:06:09 +00:00
David Benjamin
3815720cf3 Add a bunch of compatibility functions for PKCS#7.
The full library is a bit much, but this is enough to appease most of
cryptography.io.

Change-Id: I1bb0d83744c4550d5fe23c5c98cfd7e36b17fcc9
Reviewed-on: https://boringssl-review.googlesource.com/29365
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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2018-06-26 18:42:49 +00:00
David Benjamin
eaf0a17db8 Add a copy of NASM to util/bot/ in BoringSSL.
This is to transition BoringSSL's Windows build from Yasm to NASM. This
change itself is a no-op for now, but a later change to the BoringSSL
recipes will add a pair of standalone builders here. Then I'll get the
change I have lying around for Chromium moving.

Bug: chromium:766721
Change-Id: I4dca1c299f93bc5c01695983fe0478490c472deb
Reviewed-on: https://boringssl-review.googlesource.com/29324
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2018-06-26 15:47:29 +00:00
David Benjamin
79c97bf37c Allow empty return values from PKCS7_get_*.
Right now we're inconsistent about it. If the OPTIONAL container is
missing, we report an error, but if the container is empty, we happily
return nothing. The latter behavior is more convenient for emulating
OpenSSL's PKCS#7 functions.

These are our own functions, so we have some leeway here. Looking
through callers, they appear to handle this fine.

Update-Note: This is a behavior change.
Change-Id: I1321025a64df3054d380003c90e57d9eb95e610f
Reviewed-on: https://boringssl-review.googlesource.com/29364
Reviewed-by: Adam Langley <agl@google.com>
2018-06-26 07:24:51 +00:00
David Benjamin
8803c0589d Properly advance the CBS when parsing BER structures.
CBS_asn1_ber_to_der was a little cumbersome to use. While it, in theory,
allowed callers to consistently advance past the element, no caller
actually did so consistently. Instead they would advance if conversion
happened, and not if it was already DER. For the PKCS7_* functions, this
was even caller-exposed.

Change-Id: I658d265df899bace9ba6616cb465f19c9e6c3534
Reviewed-on: https://boringssl-review.googlesource.com/29304
Reviewed-by: Adam Langley <agl@google.com>
2018-06-26 07:23:10 +00:00
Jesse Selover
b4810de60f Make X509 time validation stricter.
Copy of OpenSSL change
80770da39e.

This additionally fixes some bugs which causes time validation to
fail when the current time and certificate timestamp are near the
2050 UTCTime/GeneralizedTime cut-off.

Update-Note: Some invalid X.509 timestamps will be newly rejected.

Change-Id: Ie131c61b6840c85bed974101f0a3188e7649059b
Reviewed-on: https://boringssl-review.googlesource.com/29125
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2018-06-25 17:54:33 +00:00
Adam Langley
03de6813d8 Write error messages in the FIPS module to stderr.
Previously, delocate.go couldn't handle GOT references and so |stderr|
was a problematic symbol. We can cope with them now, so write FIPS
power-on test and urandom errors to stderr rather than stdout.

Change-Id: If6d7c19ee5f22dcbd74fb01c231500c2e130e6f7
Update-note: resolves internal bug 110102292.
Reviewed-on: https://boringssl-review.googlesource.com/29244
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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2018-06-25 10:30:42 +00:00
Adam Langley
bcfb49914b Add special AES-GCM AEAD for TLS 1.3.
This change adds an AES-GCM AEAD that enforces nonce uniqueness inside
the FIPS module, like we have for TLS 1.2. While TLS 1.3 has not yet
been mentioned in the FIPS 140 IG, we expect it to be in the next ~12
months and so are preparing for that.

Change-Id: I65a7d8196b08dc0033bdde5c844a73059da13d9e
Reviewed-on: https://boringssl-review.googlesource.com/29224
Commit-Queue: Adam Langley <agl@google.com>
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Reviewed-by: David Benjamin <davidben@google.com>
2018-06-25 10:23:22 +00:00
David Benjamin
954eefae58 Actually add AES-192-OFB.
I forgot about this file.

Change-Id: Icb98ffe3ed682a80d7a809a4585a5537fed0ba1c
Reviewed-on: https://boringssl-review.googlesource.com/29284
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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2018-06-21 22:03:34 +00:00
Adam Langley
0080d83b9f Implement the client side of certificate compression.
Change-Id: I0aced480af98276ebfe0970b4afb9aa957ee07cb
Reviewed-on: https://boringssl-review.googlesource.com/29024
Reviewed-by: Adam Langley <agl@google.com>
2018-06-18 22:16:11 +00:00
David Benjamin
f6e5d0d5a1 Add AES-192-OFB.
cryptography.io gets offended if the library supports some OFB sizes but
not others.

Change-Id: I7fc7b12e7820547a82aae84d9418457389a482fe
Reviewed-on: https://boringssl-review.googlesource.com/29204
Reviewed-by: Adam Langley <agl@google.com>
2018-06-18 21:58:46 +00:00
David Benjamin
7139f755b6 Fix some timing leaks in the DSA code.
The DSA code is deprecated and will, hopefully, be removed in the future.
Nonetheless, this is easy enough to fix. It's the analog of the work we'd
already done for ECDSA.

- Document more clearly that we don't care about the DSA code.

- Use the existing constant-time modular addition function rather than
  the ad-hoc code.

- Reduce the digest to satisfy modular operations' invariants. (The
  underlying algorithms could accept looser bounds, but we reduce for
  simplicity.) There's no particular reason to do this in constant time,
  but we have the code for it, so we may as well.

- This additionally adds a missing check that num_bits(q) is a multiple
  of 8. We otherwise don't compute the right answer. Verification
  already rejected all 160-, 224-, and 256-bit keys, and we only
  generate DSA parameters where the length of q matches some hash
  function's length, so this is unlikely to cause anyone trouble.

- Use Montgomery reduction to perform the modular multiplication. This
  could be optimized to save a couple Montgomery reductions as in ECDSA,
  but DSA is deprecated, so I haven't bothered optimizing this.

- The reduction from g^k (mod p) to r = g^k (mod p) (mod q) is left
  in variable time, but reversing it would require a discrete log
  anyway. (The corresponding ECDSA operation is much easier to make
  constant-time due to Hasse's theorem, though that's actually still a
  TODO. I need to finish lifting EC_FELEM up the stack.)

Thanks to Keegan Ryan from NCC Group for reporting the modular addition issue
(CVE-2018-0495). The remainder is stuff I noticed along the way.

Update-Note: See the num_bits(q) change.

Change-Id: I4f032b041e2aeb09f9737a39f178c24e6a7fa1cb
Reviewed-on: https://boringssl-review.googlesource.com/29145
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2018-06-15 02:37:45 +00:00
David Benjamin
9f9c938af0 Revert "Reland "Revert "Add other Windows configurations to the CQ."""
This reverts commit 43eb0af5f1.

Reason for revert: Hopefully this is resolved by https://boringssl.googlesource.com/boringssl/+/7c8e725e55a72c914eb3a33af6cc65b4188102c6 ?

Original change's description:
> Reland "Revert "Add other Windows configurations to the CQ.""
> 
> This reverts commit 23e92d5d16.
> 
> Reason for revert: Nope. Still doesn't work. Back to poking infra
> about it...
> 
> Original change's description:
> > Revert "Revert "Add other Windows configurations to the CQ.""
> > 
> > This reverts commit 98831738f2.
> > 
> > Let's try this again. tandrii@ says this should be resolved as of
> > https://crbug.com/840505. (That was a while ago. I'd forgotten about
> > it.)
> > 
> > Change-Id: Ib49a629198a33d44ff1c3aa13af5825def1a5c4d
> > Reviewed-on: https://boringssl-review.googlesource.com/28924
> > Reviewed-by: Steven Valdez <svaldez@google.com>
> > Commit-Queue: Steven Valdez <svaldez@google.com>
> > CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
> 
> TBR=davidben@google.com,svaldez@google.com
> 
> Change-Id: Iecd0710075f1fedc4dea69283d018042fb1a2490
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://boringssl-review.googlesource.com/29104
> Commit-Queue: David Benjamin <davidben@google.com>
> Reviewed-by: David Benjamin <davidben@google.com>
> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

TBR=davidben@google.com,svaldez@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I583641be42e6e6e93eb30adbe56ae20812608103
Reviewed-on: https://boringssl-review.googlesource.com/29184
Reviewed-by: David Benjamin <davidben@google.com>
2018-06-14 20:06:36 +00:00
David Benjamin
23aa4d228a Update tools.
Change-Id: I4cc9b9fc13a20080d78f9b9bca1e24571f46f117
Reviewed-on: https://boringssl-review.googlesource.com/29146
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2018-06-14 13:58:05 +00:00
David Benjamin
dd935202c9 Zero-initialize tmp in ec_GFp_simple_mul_single.
Although the original value of tmp does not matter, the selects
ultimately do bit operations on the uninitialized values and thus depend
on them behaving like *some* consistent concrete value. The C spec
appears to allow uninitialized values to resolve to trap
representations, which means this isn't quite valid..

(If I'm reading it wrong and the compiler must behave as if there were a
consistent value in there, it's probably fine, but there's no sense in
risking compiler bugs on a subtle corner of things.)

Change-Id: Id4547b0ec702414b387e906c4de55595e6214ddb
Reviewed-on: https://boringssl-review.googlesource.com/29124
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2018-06-13 19:58:24 +00:00
Adam Barth
6ff2ba80b7 [fuchsia] Update to zx_cprng_draw_new
This version doesn't have short reads. We'll eventually rename the
syscall back to zx_cprng_draw once all the clients have migrated to the
new semantics.

Change-Id: I7a7f6751e4d85dcc9b0a03a533dd93f3cbee277f
Reviewed-on: https://boringssl-review.googlesource.com/29084
Commit-Queue: David Benjamin <davidben@google.com>
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2018-06-12 14:58:43 +00:00
David Benjamin
43eb0af5f1 Reland "Revert "Add other Windows configurations to the CQ.""
This reverts commit 23e92d5d16.

Reason for revert: Nope. Still doesn't work. Back to poking infra
about it...

Original change's description:
> Revert "Revert "Add other Windows configurations to the CQ.""
> 
> This reverts commit 98831738f2.
> 
> Let's try this again. tandrii@ says this should be resolved as of
> https://crbug.com/840505. (That was a while ago. I'd forgotten about
> it.)
> 
> Change-Id: Ib49a629198a33d44ff1c3aa13af5825def1a5c4d
> Reviewed-on: https://boringssl-review.googlesource.com/28924
> Reviewed-by: Steven Valdez <svaldez@google.com>
> Commit-Queue: Steven Valdez <svaldez@google.com>
> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

TBR=davidben@google.com,svaldez@google.com

Change-Id: Iecd0710075f1fedc4dea69283d018042fb1a2490
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://boringssl-review.googlesource.com/29104
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2018-06-12 13:23:55 +00:00
David Benjamin
23e92d5d16 Revert "Revert "Add other Windows configurations to the CQ.""
This reverts commit 98831738f2.

Let's try this again. tandrii@ says this should be resolved as of
https://crbug.com/840505. (That was a while ago. I'd forgotten about
it.)

Change-Id: Ib49a629198a33d44ff1c3aa13af5825def1a5c4d
Reviewed-on: https://boringssl-review.googlesource.com/28924
Reviewed-by: Steven Valdez <svaldez@google.com>
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2018-06-11 20:01:42 +00:00
David Benjamin
4665da6e91 Add OFB ciphers to EVP_get_cipherbyname.
This is so they're exposed out of cryptography.io.

Change-Id: I225a35605ae8f3da091e95241ce072eeeabcd855
Reviewed-on: https://boringssl-review.googlesource.com/29044
Reviewed-by: Steven Valdez <svaldez@google.com>
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2018-06-11 19:46:43 +00:00
David Benjamin
3b2ff028c4 Add SSL_SESSION_get0_id_context.
This matches OpenSSL 1.1.0. Someone requested it.

Change-Id: I230bb9ec646cd32e71413a68e93058818c8f2aad
Reviewed-on: https://boringssl-review.googlesource.com/29004
Commit-Queue: Steven Valdez <svaldez@google.com>
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2018-06-11 14:25:23 +00:00
Loo Rong Jie
b570fd9fd6 Link advapi32.lib when linking crypto.
This is needed for RtlGenRandom [0] in crypto/rand_extra/windows.c [1].

Linker error actually shows "SystemFunction036" instead of "RtlGenRandom".

[0]: https://msdn.microsoft.com/en-us/library/windows/desktop/aa387694(v=vs.85).aspx
[1]: f21650709a/crypto/rand_extra/windows.c (L44)

Change-Id: Ie52e0a1d507e3598ba3ae3c449d0088981c06d8a
Reviewed-on: https://boringssl-review.googlesource.com/28884
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
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2018-06-07 19:05:59 +00:00
Adam Langley
070151c96f Update ECDH and EVP tests to accept latest Wycheproof vectors.
(This upstreams a change that was landed internally.)

Change-Id: Ic32793f8b1ae2d03e8ccbb0a9ac5f62add4c295b
Reviewed-on: https://boringssl-review.googlesource.com/28984
Commit-Queue: David Benjamin <davidben@google.com>
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2018-06-07 16:54:30 +00:00
David Benjamin
1c68fa2350 Hide SSL_SESSION.
The last libssl struct is now opaque! (Promote the SSL_MAX_* constants
as folks use them pretty frequently.)

Update-Note: SSL_SESSION is now opaque. I believe everything handles
this now.

Bug: 6
Change-Id: I8cd29d16173e4370f3341c0e6f0a56e00ea188e9
Reviewed-on: https://boringssl-review.googlesource.com/28964
Reviewed-by: Adam Langley <agl@google.com>
2018-06-07 02:58:27 +00:00
Matthew Braithwaite
3e2b3ee25f Hand back in-progress handshakes after a session resumption.
And since there are now 3 different points in the state machine where
a handback can occur, introduce an enum to describe them.

Change-Id: I41866214c39d27d1bbd965d28eb122c0e1f9902a
Reviewed-on: https://boringssl-review.googlesource.com/28344
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Reviewed-by: David Benjamin <davidben@google.com>
2018-06-06 21:17:36 +00:00
David Benjamin
5267ef7b4a Reject unexpected application data in bidirectional shutdown.
Update-Note: This tweaks the SSL_shutdown behavior. OpenSSL's original
SSL_shutdown behavior was an incoherent mix of discarding the record and
rejecting it (it would return SSL_ERROR_SYSCALL but retrying the
operation would discard it). SSLeay appears to have intended to discard
it, so we previously "fixed" it actually discard.

However, this behavior is somewhat bizarre and means we skip over
unbounded data, which we typically try to avoid. If you are trying to
cleanly shutdown the TLS portion of your protocol, surely it is at a
point where additional data is a syntax error. I suspect I originally
did not realize that, because the discarded record did not properly
continue the loop, SSL_shutdown would appear as if it rejected the data,
and so it's unlikely anyone was relying on that behavior.

Discussion in https://github.com/openssl/openssl/pull/6340 suggests
(some of) upstream also prefers rejecting.

Change-Id: Icde419049306ed17eb06ce1a7e1ff587901166f3
Reviewed-on: https://boringssl-review.googlesource.com/28864
Commit-Queue: David Benjamin <davidben@google.com>
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Reviewed-by: Steven Valdez <svaldez@google.com>
2018-06-04 21:39:58 +00:00
Adam Langley
a307cb7d58 Preliminary support for compressed certificates.
This change adds server-side support for compressed certificates.

(Although some definitions for client-side support are included in the
headers, there's no code behind them yet.)

Change-Id: I0f98abf0b782b7337ddd014c58e19e6b8cc5a3c2
Reviewed-on: https://boringssl-review.googlesource.com/27964
Reviewed-by: David Benjamin <davidben@google.com>
2018-06-04 21:24:20 +00:00
David Benjamin
c1e4f338b1 Use std::thread in thread_test.cc.
The STL already came up with a threading abstraction for us. If this
sticks, that also means we can more easily write tests elsewhere that
use threads. (A test that makes a bunch of TLS connections on a shared
SSL_CTX run under TSan would be nice. Likewise with some of the messy
RSA locking.)

Update-Note: This adds a dependency from crypto_test to C++11 threads.
Hopefully it doesn't cause issues.

Change-Id: I26f89f6b3b79240e516017877d06fd9a815fc315
Reviewed-on: https://boringssl-review.googlesource.com/28865
Reviewed-by: Steven Valdez <svaldez@google.com>
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2018-06-04 17:32:48 +00:00
Adam Langley
1627871d18 Include bn/internal.h for RSAZ code.
When building files separately, omitting this causes some #defines to be
missing.

Change-Id: I235231467d3f51ee0a53325698356aefa72c6a67
Reviewed-on: https://boringssl-review.googlesource.com/28944
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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2018-06-04 17:26:29 +00:00
David Benjamin
7bf0bccd61 Add missing <condition_variable> include.
Change-Id: I07040cabcef191f0ab4a7b0e9bd4d46b37b09169
std::condition_variable has its own header to include.
Reviewed-on: https://boringssl-review.googlesource.com/28904
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2018-06-04 15:08:29 +00:00
David Benjamin
caf8ddd0ba Add SSL_SESSION_set1_id.
This matches the OpenSSL 1.1.0 spelling. I'd thought we could hide
SSL_SESSION this pass, but I missed one test that messed with session
IDs!

Bug: 6
Change-Id: I84ea113353eb0eaa2b06b68dec71cb9061c047ca
Reviewed-on: https://boringssl-review.googlesource.com/28866
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2018-06-04 14:25:28 +00:00
David Benjamin
81a6f6d8de Add a tool to check for filename collisions.
GN does not like multiple files in the same target that share a name, so
add a script to check for this. A follow-up changes will hook that up to
the builders, so we'll flag this in try jobs rather than when the change
trickles downstream.

Change-Id: Ic413dd9aeed6da54fc85dea07f80fe7084be9e9e
Reviewed-on: https://boringssl-review.googlesource.com/28844
Reviewed-by: Adam Langley <agl@google.com>
2018-05-31 19:02:43 +00:00
David Benjamin
fe7a17440f Fix typo.
Change-Id: Id7d8c8acf2f441dc34be7d363fb4dd2dfcb0e1c4
Reviewed-on: https://boringssl-review.googlesource.com/28804
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2018-05-30 15:42:35 +00:00
David Benjamin
a827d1809c Match OpenSSL's EVP_MD_CTX_reset return value.
In neither OpenSSL nor BoringSSL can this function actually fail, but
OpenSSL makes it return one anyway. Match them for compatibility.

Change-Id: I497437321ad9ccc5da738f06cd5b19c467167575
Reviewed-on: https://boringssl-review.googlesource.com/28784
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2018-05-29 17:07:16 +00:00
David Benjamin
9229b4fb86 Fix typo in build flags.
Change-Id: Ifa2f9f6ae00e6af5ce22254496ed37e2774b79e8
Reviewed-on: https://boringssl-review.googlesource.com/28747
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2018-05-29 14:33:16 +00:00
David Benjamin
700631bdf0 Pack encrypted handshake messages together.
We have a successful TLS 1.3 deployment, in spite of non-compliant
middleboxes everywhere, so now let's get this optimization in. It would
have been nice to test with this from the beginning, but sadly we forgot
about it. Ah well. This shaves 63 bytes off the server's first flight,
and then another 21 bytes off the pair of NewSessionTickets.

So we'll more easily notice in case of anything catastrophic, tie this
behavior to draft 28.

Update-Note: This slightly tweaks our draft-28 behavior.

Change-Id: I4f176a919bf7181239d6ebb31e7870f12364e0f9
Reviewed-on: https://boringssl-review.googlesource.com/28744
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2018-05-29 14:28:56 +00:00
David Benjamin
81d4a03bb0 Update tools.
Change-Id: I290af4599231040887f41c922550bb87dfb98cb0
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2018-05-29 14:24:35 +00:00
David Benjamin
f86693dff7 Document the correct nonce length for AES-GCM.
It would be nice to restrict these, limiting the incorrect sizes to a
separate EVP_AEAD, but start by documenting this.

Bug: 34
Change-Id: I09845882f76a53a010355ceefd168d4fc10a0681
Reviewed-on: https://boringssl-review.googlesource.com/28745
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2018-05-24 22:13:07 +00:00
David Benjamin
5601bdac1a Rename crypto/rsa_extra/print.c.
It appears Chromium still gets upset when two files in a target share a
base name.

Change-Id: I9e6f182d97405e7e70b2bcf8ced7c80ba23edca1
Reviewed-on: https://boringssl-review.googlesource.com/28724
Reviewed-by: Adam Langley <agl@google.com>
2018-05-23 22:36:14 +00:00
Adam Langley
990a32327c Add --embed_test_data=false option to generate_build_files.py
This allows consumers not to use crypto_test_data.cc (which embeds all
the test files), although they'll have to provide their own
implementation of that functionality.

Change-Id: I309d5b3bd9495137e1df788b34048794b0072f3b
Reviewed-on: https://boringssl-review.googlesource.com/28706
Reviewed-by: David Benjamin <davidben@google.com>
2018-05-22 17:24:42 +00:00
Adam Langley
239c05a782 Allow convert_wycheproof.go to be used one file at a time.
Change-Id: I3c1d77ac9dea6faefc3711e84cf93191f35fe755
Reviewed-on: https://boringssl-review.googlesource.com/28705
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2018-05-22 17:19:45 +00:00
Adam Langley
576b637861 Move convert_wycheproof.go to util/
This file is not part of the Wycheproof project and consumers of
BoringSSL who wish to provide Wycheproof themselves (and not have
third_party/wycheproof_testvectors) need it in another location.

Change-Id: I730fe294f46a9aac77b858a91a03ee64fb8ea579
Reviewed-on: https://boringssl-review.googlesource.com/28704
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2018-05-22 17:16:36 +00:00
Adam Vartanian
189270cd19 Ignore Spectre mitigation warning.
VS2017 has added a new warning that indicates where Spectre mitigation
code would be inserted if /Qspectre were specified.

Change-Id: If80cd6a7d0c5a45313f4c3644b304cadecf465b0
Reviewed-on: https://boringssl-review.googlesource.com/28684
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2018-05-22 15:26:15 +00:00
David Benjamin
c93724b530 Benchmark TLS AES-CBC ciphers in both directions.
Between CBC being only parallelizable in one direction, bsaes vs vpaes,
and the Lucky 13 fix, seal and open look very different here. Benchmark
both directions.

Change-Id: I9266ab2800adc29dbeee0ca74502addb92409e23
Reviewed-on: https://boringssl-review.googlesource.com/28644
Commit-Queue: Adam Langley <agl@google.com>
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2018-05-21 23:08:46 +00:00
Brian Smith
fee8709f69 Replace |alloca| in |BN_mod_exp_mont_consttime|.
|alloca| is dangerous and poorly specified, according to any
description of |alloca|. It's also hard for some analysis tools to
reason about.

The code here assumed |alloca| is a macro, which isn't a valid
assumption. Depending on what which headers are included and what
toolchain is being used, |alloca| may or may not be defined as a macro,
and this might change over time if/when toolchains are updated. Or, we
might be doing static analysis and/or dynamic analysis with a different
configuration w.r.t. the availability of |alloca| than production
builds use.

Regardless, the |alloca| code path only kicked in when the inputs are
840 bits or smaller. Since the multi-prime RSA support was removed, for
interesting RSA key sizes the input will be at least 1024 bits and this
code path won't be triggered since powerbufLen will be larger than 3072
bytes in those cases. ECC inversion via Fermat's Little Theorem has its
own constant-time exponentiation so there are no cases where smaller
inputs need to be fast.

The RSAZ code avoids the |OPENSSL_malloc| for 2048-bit RSA keys.
Increasingly the RSAZ code won't be used though, since it will be
skipped over on Broadwell+ CPUs. Generalize the RSAZ stack allocation
to work for non-RSAZ code paths. In order to ensure this doesn't cause
too much stack usage on platforms where RSAZ wasn't already being used,
only do so on x86-64, which already has this large stack size
requirement due to RSAZ.

This change will make it easier to refactor |BN_mod_exp_mont_consttime|
to do that more safely and in a way that's more compatible with various
analysis tools.

This is also a step towards eliminating the |uintptr_t|-based alignment
hack.

Since this change increases the number of times |OPENSSL_free| is
skipped, I've added an explicit |OPENSSL_cleanse| to ensure the
zeroization is done. This should be done regardless of the other changes
here.

Change-Id: I8a161ce2720a26127e85fff7513f394883e50b2e
Reviewed-on: https://boringssl-review.googlesource.com/28584
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2018-05-21 19:43:05 +00:00
Adam Langley
63e2a08123 Spell Falko Strenzke's name correctly.
Thanks to Brian Smith for pointing this out.

Change-Id: I27ae58df0028bc6aa3a11741acb5453369e202cc
Reviewed-on: https://boringssl-review.googlesource.com/28625
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2018-05-21 18:18:04 +00:00
David Benjamin
982279b366 Add a PKCS#12 fuzzer.
Change-Id: Iee3a3d46d283bd6cbb46940e630916aacdd71db6
Reviewed-on: https://boringssl-review.googlesource.com/28552
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2018-05-15 23:58:32 +00:00
David Benjamin
2f5100e629 More compatibility stuff.
cryptography.io wants things exposed out of EVP_get_cipherby* including,
sadly, ECB mode.

Change-Id: I9bac46f8ffad1a79d190cee3b0c0686bf540298e
Reviewed-on: https://boringssl-review.googlesource.com/28464
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2018-05-15 23:57:53 +00:00
David Benjamin
9b2c6a93e5 Extract friendly names attached to certificates.
OpenSSL staples each certificate's friendly name to the X509 with
X509_alias_set1. Mimic this. pyOpenSSL expects to find it there.

Update-Note: We actually parse some attributes now. PKCS#12 files with
malformed ones may not parse.

Change-Id: I3b78958eedf195509cd222ea4f0c884be3753770
Reviewed-on: https://boringssl-review.googlesource.com/28551
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2018-05-15 23:44:53 +00:00