These structures allow for blobs of data (e.g. certificates) to be
deduplicated in memory.
Change-Id: Iebfec90b85d55565848a178b6951562b4ccc083e
Reviewed-on: https://boringssl-review.googlesource.com/11820
Reviewed-by: Adam Langley <alangley@gmail.com>
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At some point, we'll forget to look in the commit message.
Change-Id: I3153aab679209f4f11f56cf3f883c4c74a17af1d
Reviewed-on: https://boringssl-review.googlesource.com/11800
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Reviewed-by: David Benjamin <davidben@google.com>
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clang-cl now supports enough of `#pragma intrinsic` that
it can use SecureZeroMemory() without an explicit intrin.h include.
This reverts https://boringssl-review.googlesource.com/#/c/8320/
BUG=chromium:592745
Change-Id: Ib766133f1713137bddd07654376a3b4888d4b0fb
Reviewed-on: https://boringssl-review.googlesource.com/11780
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I missed these in the last round.
Change-Id: I9b47216eef87c662728e454670e9e516de71ca21
Reviewed-on: https://boringssl-review.googlesource.com/11740
Commit-Queue: David Benjamin <davidben@google.com>
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Change-Id: I51e5a7dac3ceffc41d3a7a57157a11258e65bc42
Reviewed-on: https://boringssl-review.googlesource.com/11721
Commit-Queue: David Benjamin <davidben@google.com>
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Unhandled critical CRL extensions were not detected if they appeared
after the handled ones. (Upstream GitHub issue 1757). Thanks to John
Chuah for reporting this.
(Imported from upstream's 3ade92e785bb3777c92332f88e23f6ce906ee260.)
This additionally adds a regression test for this issue, generated with
der-ascii. The signatures on the CRLs were repaired per notes in
https://github.com/google/der-ascii/blob/master/samples/certificates.md
Change-Id: I74a77f92710e6ef7f46dcde5cb6ae9350084ddcb
Reviewed-on: https://boringssl-review.googlesource.com/11720
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It's possible that a BIO implementation could return a negative number
(say -1) for BIO_CTRL_PENDING or BIO_CTRL_WPENDING. Assert that this
doesn't happen and map it to zero if it happens anyway in NDEBUG builds.
Change-Id: Ie01214e80ff19acc1c7681a1125bbbf2038679c3
Reviewed-on: https://boringssl-review.googlesource.com/11700
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Nodejs 6.9.0 calls this function.
Change-Id: I375f222cb819ebcb9fdce0a0d63df6817fa2dcae
Reviewed-on: https://boringssl-review.googlesource.com/11625
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This code reportedly upsets VC++'s static analysis. Make it clear that,
yes, we want to count backwards.
Change-Id: I5caba219a2b87750d1a9d69b46d336a98c5824c9
Reviewed-on: https://boringssl-review.googlesource.com/11624
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Macros need a healthy dose of parentheses to avoid expression-level
misparses. Most of this comes from the clang-tidy CL here:
https://android-review.googlesource.com/c/235696/
Also switch most of the macros to use do { ... } while (0) to avoid all
the excessive comma operators and statement-level misparses.
Change-Id: I4c2ee51e347d2aa8c74a2d82de63838b03bbb0f9
Reviewed-on: https://boringssl-review.googlesource.com/11660
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We have bool here. Also the comments were a mix of two styles.
Change-Id: I7eb6814b206efa960ae7e6e1abc14d64be6d61cf
Reviewed-on: https://boringssl-review.googlesource.com/11602
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This reverts commit 7b9bbd9639. This seems
to cause some problem linking with gold in Chromium:
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: warning: Cannot export local symbol 'free'
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: warning: Cannot export local symbol 'malloc'
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: warning: Cannot export local symbol 'realloc'
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: error: treating warnings as errors
The same error in https://crbug.com/368351 implies we're actually
causing the compiler to make some assumptions it shouldn't make. The
obvious fix of marking things as visible causes crashes when built with
ASan (ASan's malloc interceptors and ours are conflicting somehow).
Revert this for now. We should study how ASan's interceptors work and
figure out how to make these two coexist.
BUG=655938
Change-Id: Iaad245d1028c442bd924d46519b20115d37a57c4
Reviewed-on: https://boringssl-review.googlesource.com/11604
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This clears the last of Android's build warnings from BoringSSL. These
pragmas aren't actually no-ops, but it just means that MinGW consumers
(i.e. just Android) need to explicitly list the dependency (which they
do).
There may be something to be said for removing those and having everyone
list dependencies, but I don't really want to chase down every
consumer's build files. Probably not worth the trouble.
Change-Id: I8fcff954a6d5de9471f456db15c54a1b17cb937a
Reviewed-on: https://boringssl-review.googlesource.com/11573
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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>
Change-Id: Id8099cc3a250e36e62b8a48e74706b75e5fa127c
Reviewed-on: https://boringssl-review.googlesource.com/11566
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BUG=77
Change-Id: If568412655aae240b072c29d763a5b17bb5ca3f7
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This finally removes the last Android hack. Both Chromium and Android
end up needing this thing (Chromium needs it for WebCrypto but currently
uses the EVP_AEAD version and Android needs it by way of
wpa_supplicant).
On the Android side, the alternative is we finish upstream's
NEED_INTERNAL_AES_WRAP patch, but then it just uses its own key-wrap
implementation. This seems a little silly, considering we have a version
of key-wrap under a different API anyway.
It also doesn't make much sense to leave the EVP_AEAD API around if we
don't want people to use it and Chromium's the only consumer. Remove it
and I'll switch Chromium to the new---er, old--- APIs next roll.
Change-Id: I23a89cda25bddb6ac1033e4cd408165f393d1e6c
Reviewed-on: https://boringssl-review.googlesource.com/11410
Commit-Queue: David Benjamin <davidben@google.com>
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We have CBS_get_asn1 / CBS_get_asn1_element, but not the "any" variants
of them. Without this, a consumer walking a DER structure must manually
CBS_skip the header, which is a little annoying.
Change-Id: I7735c37eb9e5aaad2bde8407669bce5492e1ccf6
Reviewed-on: https://boringssl-review.googlesource.com/11404
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This is just to reduce the diff with upstream's files so it's easier to
tell what's going on. Upstream's files have lots and lots of trailing
whitespace. We were also missing a comment.
Change-Id: Icfc3b52939823a046a3744fd8e619b5bd6160715
Reviewed-on: https://boringssl-review.googlesource.com/11408
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If asn1_item_ex_combine_new fails in one of the ASN1_template_new calls
just before the ASN1_OP_NEW_POST call, ASN1_item_ex_free will free the
temporary object which ultimately calls ASN1_OP_FREE_POST. This means
that ASN1_OP_FREE_POST needs to account for zero-initialized objects.
Change-Id: I56fb63bd5c015d9dfe3961606449bc6f5b1259e3
Reviewed-on: https://boringssl-review.googlesource.com/11403
Commit-Queue: David Benjamin <davidben@google.com>
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Change-Id: Ia020ea08431859bf268d828b5d72715295de26e6
Reviewed-on: https://boringssl-review.googlesource.com/11401
Commit-Queue: David Benjamin <davidben@google.com>
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They just need a different name for the real malloc implementations.
Change-Id: Iee1aac1133113d628fd3f9f1ed0335d66c6def24
Reviewed-on: https://boringssl-review.googlesource.com/11400
Commit-Queue: David Benjamin <davidben@google.com>
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In order to align ppc64le with the existing code, 4467e59b changed the
prefix for both the ARM and ppc64le AES assembly code to be “aes_hw_”.
However, it didn't update aes.c as well.
Change-Id: I8e3c7dea1c49ddad8a613369af274e25d572a8fd
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This change adds AES and GHASH assembly from upstream, with the aim of
speeding up AES-GCM.
The PPC64LE assembly matches the interface of the ARMv8 assembly so I've
changed the prefix of both sets of asm functions to be the same
("aes_hw_").
Otherwise, the new assmebly files and Perlasm match exactly those from
upstream's c536b6be1a (from their master branch).
Before:
Did 1879000 AES-128-GCM (16 bytes) seal operations in 1000428us (1878196.1 ops/sec): 30.1 MB/s
Did 61000 AES-128-GCM (1350 bytes) seal operations in 1006660us (60596.4 ops/sec): 81.8 MB/s
Did 11000 AES-128-GCM (8192 bytes) seal operations in 1072649us (10255.0 ops/sec): 84.0 MB/s
Did 1665000 AES-256-GCM (16 bytes) seal operations in 1000591us (1664016.6 ops/sec): 26.6 MB/s
Did 52000 AES-256-GCM (1350 bytes) seal operations in 1006971us (51640.0 ops/sec): 69.7 MB/s
Did 8840 AES-256-GCM (8192 bytes) seal operations in 1013294us (8724.0 ops/sec): 71.5 MB/s
After:
Did 4994000 AES-128-GCM (16 bytes) seal operations in 1000017us (4993915.1 ops/sec): 79.9 MB/s
Did 1389000 AES-128-GCM (1350 bytes) seal operations in 1000073us (1388898.6 ops/sec): 1875.0 MB/s
Did 319000 AES-128-GCM (8192 bytes) seal operations in 1000101us (318967.8 ops/sec): 2613.0 MB/s
Did 4668000 AES-256-GCM (16 bytes) seal operations in 1000149us (4667304.6 ops/sec): 74.7 MB/s
Did 1202000 AES-256-GCM (1350 bytes) seal operations in 1000646us (1201224.0 ops/sec): 1621.7 MB/s
Did 269000 AES-256-GCM (8192 bytes) seal operations in 1002804us (268247.8 ops/sec): 2197.5 MB/s
Change-Id: Id848562bd4e1aa79a4683012501dfa5e6c08cfcc
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One of Chromium's toolchains can't handle this for some reason. See also
empty_crls and empty in TestVerify.
Change-Id: I5e6a849f3042288da2e406882ae5cfec249a86ae
Reviewed-on: https://boringssl-review.googlesource.com/11340
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We used upstream's reformat script, but they had stuck hyphens
everywhere to tell indent to leave a comment alone. Fix this one since
it was especially hard to read.
Change-Id: I9f43bd57dbcf66b79b775ad10ee67867d815ed33
Reviewed-on: https://boringssl-review.googlesource.com/11243
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
We'd previously been assuming we'd want to predict P-256 and X25519 but,
on reflection, that's nonsense. Although, today, P-256 is widespread and
X25519 is less so, that's not the right question to ask. Those servers
are all 1.2.
The right question is whether we believe enough servers will get to TLS
1.3 before X25519 to justify wasting 64 bytes on all other connections.
Given that OpenSSL has already shipped X25519 and Microsoft was doing
interop testing on X25519 around when we were shipping it, I think the
answer is no.
Moreover, if we are wrong, it will be easier to go from predicting one
group to two rather than the inverse (provided we send a fake one with
GREASE). I anticipate prediction-miss HelloRetryRequest logic across the
TLS/TCP ecosystem will be largely untested (no one wants to pay an RTT),
so taking a group out of the predicted set will likely be a risky
operation.
Only predicting one group also makes things a bit simpler. I haven't
done this here, but we'll be able to fold the 1.2 and 1.3 ecdh_ctx's
together, even.
Change-Id: Ie7e42d3105aca48eb9d97e2e05a16c5379aa66a3
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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>
The MinGW setup on Android already defines this stat macro.
Change-Id: Ia8e89195c06ec01d4b5a2fa7357fb8d2d500aa06
Reviewed-on: https://boringssl-review.googlesource.com/11124
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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
Reviewed-on: https://boringssl-review.googlesource.com/11125
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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
Reviewed-on: https://boringssl-review.googlesource.com/11089
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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
Reviewed-on: https://boringssl-review.googlesource.com/11085
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Reviewed-by: Matt Braithwaite <mab@google.com>
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This withdraws support for -DBORINGSSL_ENABLE_RC4_TLS, and removes the
RC4 AEADs.
Change-Id: I1321b76bfe047d180743fa46d1b81c5d70c64e81
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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
Reviewed-on: https://boringssl-review.googlesource.com/10802
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I hear our character set includes such novel symbols as '+'.
Change-Id: I96591a563317e71299748a948d68a849e15b5d60
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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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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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(Imported from upstream's 2a20b6d9731488bcb500e58a434375f59fb9adcc)
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(Imported from upstream's a404656a8b40d9f1172e5e330f7e2d9d87cabab8)
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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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Unlike the Scoped* types, bssl::UniquePtr is available to C++ users, and
offered for a large variety of types. The 'extern "C++"' trick is used
to make the C++ bits digestible to C callers that wrap header files in
'extern "C"'.
Change-Id: Ifbca4c2997d6628e33028c7d7620c72aff0f862e
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These test vectors include the k value, so we can get a deterministic
test.
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Changing parameters on renegotiation makes all our APIs confusing. This
one has no reason to change, so lock it down. In particular, our
preference to forbid Token Binding + renego may be overridden at the
IETF, even though it's insane. Loosening it will be a bit less of a
headache if EMS can't change.
https://www.ietf.org/mail-archive/web/unbearable/current/msg00690.html
claims that this is already in the specification and enforced by NSS. I
can't find anything to this effect in the specification. It just says
the client MUST disable renegotiation when EMS is missing, which is
wishful thinking. At a glance, NSS doesn't seem to check, though I could
be misunderstanding the code.
Nonetheless, locking this down is a good idea anyway. Accurate or not,
take the email as an implicit endorsement of this from Mozilla.
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This removes all but the generic C RC4 implementation. At this point we
want to optimize for size/simplicity rather than speed.
See also upstream's 3e9e810f2e047effb1056211794d2d12ec2b04e7 which
removed the RC4_CHUNK code and standardized on RC4_INDEX. A
since-removed comment says that it was implemented for "pre-21164a Alpha
CPUs don't have byte load/store instructions" and helps with SPARC and
MIPS.
This also removes all the manual loop unrolling.
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This and the following commits will import NIST's ECC test vectors.
Right now all our tests pass if I make P-224 act like P-521, which is
kind of embarrassing. (Other curves are actually tested, but only
because runner.go tests them against BoGo.)
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Change-Id: I85216184f9277ce0c0caae31e379b638683e28c5
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We may need to implement high tag number form someday. CBS_get_asn1 has
an unsigned output to allow for this, but CBB_add_asn1 takes a uint8_t
(I think this might be my fault). Fix that which also fixes a
-Wconversion warning.
Simply leaving room in tag representation will still cause troubles
because the class and constructed bits overlap with bits for tag numbers
above 31. Probably the cleanest option would be to shift them to the top
3 bits of a u32 and thus not quite match the DER representation. Then
CBS_get_asn1 and CBB_add_asn1 will internally munge that into the DER
representation and consumers may continue to write things like:
tag_number | CBS_ASN1_CONTEXT_SPECIFIC
I haven't done that here, but in preparation for that, document that
consumers need to use the values and should refrain from assuming the
correspond to DER.
Change-Id: Ibc76e51f0bc3b843e48e89adddfe2eaba4843d12
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Some, very recent, versions of Clang now support `.arch`. Allow them to
see these directives with BORINGSSL_CLANG_SUPPORTS_DOT_ARCH.
BUG=39
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nginx consumes these error codes without #ifdefs. Continue to define
them for compatibility, even though we never emit them.
BUG=95
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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
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Change-Id: Ie60744761f5aa434a71a998f5ca98a8f8b1c25d5
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Change-Id: I2e1ee319bb9852b9c686f2f297c470db54f72279
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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.
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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.
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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.
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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.
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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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(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
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The old one was written somewhat weirdly.
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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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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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This more accurately reflects the documented contract for
|BN_mod_inverse_odd|.
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In OpenSSL 1.1.0, this API has been renamed to gain a BN prefix. Now
that it's no longer squatting on a namespace, provide the function so
wpa_supplicant needn't carry a BoringSSL #ifdef here.
BUG=91
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The name of this has been annoying me every time I've seen it over the
past couple of days. Having a flag with a negation in the name isn't
always bad, but I think this case was.
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This gets cURL building against both BoringSSL as it is and BoringSSL
with OPENSSL_VERSION_NUMBER set to 1.1.0.
BUG=91
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The old one was rather confusing. Switch to returning 1/0 for whether
the padding is publicly invalid and then add an output argument which
returns a constant_time_eq-style boolean.
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Add the following cases:
- Maximal padding
- Maximal padding with each possible byte position wrong.
- When the input is not publicly too short to find a MAC, but the
unpadded value is too short. (This tests that
EVP_tls_cbc_remove_padding and EVP_tls_cbc_copy_mac coordinate
correctly. EVP_tls_cbc_remove_padding promises to also consider it
invalid padding if there is no room for a MAC.)
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Use a separate |size_t| variable for all logic that happens after the
special casing of the negative values of the signed parameter, to
minimize the amount of mixed signed/unsigned math used.
Change-Id: I4aeb1ffce47f889f340f9583684910b0fb2ca7c7
Reviewed-on: https://boringssl-review.googlesource.com/9173
Reviewed-by: David Benjamin <davidben@google.com>
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There is a comment "Note from a test above this value is guaranteed to
be non-negative". Reorganize the code to make it more clear that that
is actually the case, especially in the case where sLen == -1.
Change-Id: I09a3dd99458e34102c42d8d3a2f22c16c684c673
Reviewed-on: https://boringssl-review.googlesource.com/9172
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Initial stab at moving contents of scoped_types.h into
include/openssl/c++ and into the |bssl| namespace.
Started with one file. Will do the remaining ones once this looks good.
Change-Id: I51e2f7c1acbe52d508f1faee7740645f91f56386
Reviewed-on: https://boringssl-review.googlesource.com/9175
Reviewed-by: Adam Langley <agl@google.com>
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This makes it easier to understand the |sLen|-related logic.
Change-Id: I98da4f4f7c82d5481544940407e6cc6a963f7e5b
Reviewed-on: https://boringssl-review.googlesource.com/9171
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Reviewed-by: David Benjamin <davidben@google.com>
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The old implementation had a lot of size_t/int confusion. It also
accepted non-minimally-encoded OIDs. Unlike the old implementation, the
new one does not fall back to BIGNUMs and does not attempt to
pretty-print OIDs with components which do not fit in a uint64_t. Add
tests for these cases.
With this new implementation, hopefully we'll have a much easier time
enabling MSVC's size_t truncation warning later.
Change-Id: I602102b97cf9b02d874644f8ef67fe9bac70e45e
Reviewed-on: https://boringssl-review.googlesource.com/9131
Reviewed-by: Adam Langley <agl@google.com>
This eliminates duplicate logic.
Change-Id: I283273ae152f3644df4384558ee4a021f8c2d454
Reviewed-on: https://boringssl-review.googlesource.com/9104
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BN_mod_inverse_odd was always being used on 64-bit platforms and was being used
for all curves with an order of 450 bits or smaller (basically, everything but
P-521). We generally don't care much about minor differences in the speed of
verifying signatures using curves other than P-256 and P-384. It is better to
always use the same algorithm.
This also allows |bn_mod_inverse_general|, |bn_mod_inverse_no_branch|, and
|BN_mod_inverse| to be dropped from programs that can somehow avoid linking in
the RSA key generation and RSA CRT recovery code.
Change-Id: I79b94bff23d2b07d5e0c704f7d44538797f8c7a0
Reviewed-on: https://boringssl-review.googlesource.com/9103
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The main RSA public modulus size of concern is 2048 bits.
bn_mod_inverse_odd is already used for public moduli of 2048 bits and
smaller on 64-bit platforms, so for 64-bit it is a no-op. For 32-bit
x86, this seems to slightly decrease the speed of RSA signing, but not
by a lot, and plus we don't care about RSA signing performance much on
32-bit platforms. It's better to have all platforms using the same
algorithms.
Change-Id: I869dbfc98994e36a04a535c1fe63b14a902a4f13
Reviewed-on: https://boringssl-review.googlesource.com/9102
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This is a step towards exposing |bn_mod_inverse_odd| for use outside
of crypto/bn/gcd.c.
Change-Id: I2968f1e43306c03775b3573a022edd92f4e91df2
Reviewed-on: https://boringssl-review.googlesource.com/9101
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This is in preparation for factoring out the binary Euclidean
implementation (the one used for odd numbers that aren't too big) for
direct use from outside of crypto/bn/gcd.c. The goal is to make the
resultant |BN_mod_inverse_odd|'s signature similar to
|BN_mod_inverse_blinded|. Thus, the logic for reducing the final result
isn't factored out because that yet-to-be-created |BN_mod_inverse_odd|
will need to do it itself.
Change-Id: Iaecb79fb17d13c774c4fb6ade8742937780b0006
Reviewed-on: https://boringssl-review.googlesource.com/9100
Reviewed-by: David Benjamin <davidben@google.com>
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This is very far from all of it, but I did some easy ones before I got
bored. Snapshot the progress until someone else wants to continue this.
BUG=22
Change-Id: I2609e9766d883a273e53e01a75a4b1d4700e2436
Reviewed-on: https://boringssl-review.googlesource.com/9132
Reviewed-by: Adam Langley <agl@google.com>
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Fix non-standard variable names, return value convention, unsigned vs
size_t, etc. This also fixes one size_t truncation warning.
BUG=22
Change-Id: Ibe083db90e8dac45d64da9ead8f519dd2fea96ea
Reviewed-on: https://boringssl-review.googlesource.com/9133
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
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OBJ_obj2txt's implementation is kind of scary. Also it casts between int
and size_t a lot. In preparation for rewriting it, add a test.
Change-Id: Iefb1d0cddff58d67e5b04ec332477aab8aa687b6
Reviewed-on: https://boringssl-review.googlesource.com/9130
Reviewed-by: Adam Langley <agl@google.com>
We'd gotten rid of the macros, but not the underlying asn1_GetSequence
which is unused. Sadly this doesn't quite get rid of ASN1_(const_)?CTX.
There's still some code in the rest of crypto/asn1 that uses it.
Change-Id: I2ba8708ac5b20982295fbe9c898fef8f9b635704
Reviewed-on: https://boringssl-review.googlesource.com/9113
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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