IS_SET and IS_SEQUENCE are extremely bad manners to #define. This also
removes the last reference to STACK_OF(OPENSSL_BLOCK).
Change-Id: I6b509248f228c3a02308c61afbb10975573d3b16
Reviewed-on: https://boringssl-review.googlesource.com/10362
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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.
Change-Id: Ib6388db72f05386f854d275bab762ca79e8174e6
Reviewed-on: https://boringssl-review.googlesource.com/10284
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If cert_cb runs asynchronously, we end up repeating a large part of very
stateful ClientHello processing. This seems to be mostly fine and there
are few users of server-side cert_cb (it's a new API in 1.0.2), but it's
a little scary.
This is also visible to external consumers because some callbacks get
called multiple times. We especially should try to avoid that as there
is no guarantee that these callbacks are idempotent and give the same
answer each time.
Change-Id: I212b2325eae2cfca0fb423dace101e466c5e5d4e
Reviewed-on: https://boringssl-review.googlesource.com/10224
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Between TLS 1.2, TLS 1.3, and the early callback, we've got a lot of
ClientHello parsers. Unify everything on the early callback's parser. As
a side effect, this means we can parse a ClientHello fairly succinctly
from any function which will let us split up ClientHello states where
appropriate.
Change-Id: I2359b75f80926cc7d827570cf33f93029b39e525
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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
Change-Id: Iac8e90238c816caae6acf0e359893c14a7a970f1
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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.
Change-Id: I5922bf4cc94eab8c59256042a9d9acb575bd40aa
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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
Change-Id: I5be73b84df701fe76f3055b1239ae4704a931082
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It was renamed to ticket_liftetime_hint in
1e6f11a7ff, which breaks Qt.
Change-Id: I9c6d3097fe96e669f06a4e0880bd4d7d82b03ba8
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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
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EKR is unlikely to resolve this TODO anytime soon.
Change-Id: I2cf6b4ad4f643048d1a683d60b4b90e2b1230aae
Reviewed-on: https://boringssl-review.googlesource.com/9155
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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
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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
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Only X509_up_ref left (it's still waiting on a few external callers).
BUG=89
Change-Id: Ia2aec2bb0a944356cb1ce29f3b58a26bdb8a9977
Reviewed-on: https://boringssl-review.googlesource.com/9141
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Inch towards OpenSSL 1.1.0 compatibility.
BUG=91
Change-Id: Ia45b6bdb5114d0891fdffdef0b5868920324ecec
Reviewed-on: https://boringssl-review.googlesource.com/9140
Commit-Queue: David Benjamin <davidben@google.com>
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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
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We broke this to varying degrees ages ago.
This is the logic to implement the variations of rules in TLS to discard
sessions after a failed connection, where a failed connection could be
one of:
- A connection that was not cleanly shut down.
- A connection that received a fatal alert.
The first one is nonsense since close_notify does not actually work in
the real world. The second is a vaguely more plausible but...
- A stateless ticket-based server can't drop sessions anyway.
- In TLS 1.3, a client may receive many tickets over the lifetime of a
single connection. With an external session cache like ours which may,
in theory, but multithreaded, this will be a huge hassle to track.
- A client may well attempt to establish a connection and reuse the
session before we receive the fatal alert, so any application state we
hope to manage won't really work.
- An attacker can always close the connection before the fatal alert, so
whatever security policy clearing the session gave is easily
bypassable.
Implementation-wise, this has basically never worked. The
ssl_clear_bad_session logic called into SSL_CTX_remove_session which
relied on the internal session cache. (Sessions not in the internal
session cache don't get removed.) The internal session cache was only
useful for a server, where tickets prevent this mechanism from doing
anything. For a client, we since removed the internal session cache, so
nothing got removed. The API for a client also did not work as it gave
the SSL_SESSION, not the SSL, so a consumer would not know the key to
invalidate anyway.
The recent session state splitting change further broke this.
Moreover, calling into SSL_CTX_remove_session logic like that is
extremely dubious because it mutates the not_resumable flag on the
SSL_SESSION which isn't thread-safe.
Spec-wise, TLS 1.3 has downgraded the MUST to a SHOULD.
Given all that mess, just remove this code. It is no longer necessary to
call SSL_shutdown just to make session caching work.
Change-Id: Ib601937bfc5f6b40436941e1c86566906bb3165d
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We will now send tickets as a server and accept them as a
client. Correctly offering and resuming them in the handshake will be
implemented in a follow-up.
Now that we're actually processing draft 14 tickets, bump the draft
version.
Change-Id: I304320a29c4ffe564fa9c00642a4ace96ff8d871
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OpenSSL 1.1.0 added a function to tell if an SSL* is DTLS or not. This
is probably a good idea, especially since SSL_version returns
non-normalized versions.
BUG=91
Change-Id: I25c6cf08b2ebabf0c610c74691de103399f729bc
Reviewed-on: https://boringssl-review.googlesource.com/9077
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The functions appear to try to handle negative inputs, but it isn't
clear how negative inputs are supposed to work and/or if these
functions work the way they are supposed to given negative inputs.
There seems to be no legitimate reason to pass these functions negative
inputs, so just document that negative inputs shouldn't be used. More
specifically, document that the inputs should be in the range [0, n)
where |n| is the Montgomery modulus.
Change-Id: Id8732fb89616f10e673704e6fa09d78926c402d8
Reviewed-on: https://boringssl-review.googlesource.com/9033
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Have |bn_correct_top| fix |bn->neg| if the input is zero so that we
don't have negative zeros lying around.
Thanks to Brian Smith for noticing.
Change-Id: I91bcadebc8e353bb29c81c4367e85853886c8e4e
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BUG=59
Change-Id: If3a788ec1328226d69293996845fa1d14690bf40
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SSL_set_bio is a nightmare.
In f715c42322, we noticed that, among
other problems, SSL_set_bio's actual behavior did not match how
SSL_set_rfd was calling it due to an asymmetry in the rbio/wbio
handling. This resulted in SSL_set_fd/SSL_set_rfd calls to crash. We
decided that SSL_set_rfd's believed semantics were definitive and
changed SSL_set_bio.
Upstream, in 65e2d672548e7c4bcb28f1c5c835362830b1745b, decided that
SSL_set_bio's behavior, asymmetry and all, was definitive and that the
SSL_set_rfd crash was a bug in SSL_set_rfd. Accordingly, they switched
the fd callers to use the side-specific setters, new in 1.1.0.
Align with upstream's behavior and add tests for all of SSL_set_bio's
insanity. Also export the new side-specific setters in anticipation of
wanting to be mostly compatible with OpenSSL 1.1.0.
Change-Id: Iceac9508711f79750a3cc2ded081b2bb2cbf54d8
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A caller using EVP_Digest* which a priori knows tighter bounds on the
hash function used (perhaps because it is always a particular hash) can
assume the function will not write more bytes than the size of the hash.
The letter of the rules before vaguely[*] allowed for more than
EVP_MD_MAX_SIZE bytes written which made for some unreasonable code in
Chromium. Officially clarify this and add tests which, when paired with
valgrind and ASan prove it.
BUG=59
[*] Not really. I think it already promised the output length will be
both the number of bytes written and the size of the hash and the size
of the hash is given by what the function promises to compute. Meh.
Change-Id: I736d526e81cca30475c90897bca896293ff30278
Reviewed-on: https://boringssl-review.googlesource.com/9066
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Change-Id: Idf9db184348140972e57b2a8fa30dc9cb8b2e0f2
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To prevent configuration/established session confusion, the handshake
session state is separated into the configured session (ssl->session)
and the newly created session (ssl->s3->new_session). Upon conclusion of
the handshake, the finalized session is stored
in (ssl->s3->established_session). During the handshake, any requests
for the session (SSL_get_session) return a non-resumable session, to
prevent resumption of a partially filled session. Sessions should only
be cached upon the completion of the full handshake, using the resulting
established_session. The semantics of accessors on the session are
maintained mid-renego.
Change-Id: I4358aecb71fce4fe14a6746c5af1416a69935078
Reviewed-on: https://boringssl-review.googlesource.com/8612
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This finishes getting rid of ssl_read_bytes! Now we have separate
entry-points for the various cases. For now, I've kept TLS handshake
consuming records partially. When we do the BIO-less API, I expect that
will need to change, since we won't have the record buffer available.
(Instead, the ssl3_read_handshake_bytes and extend_handshake_buffer pair
will look more like the DTLS side or Go and pull the entire record into
init_buf.)
This change opts to make read_app_data drive the message to completion
in anticipation of DTLS 1.3. That hasn't been specified, but
NewSessionTicket certainly will exist. Knowing that DTLS necessarily has
interleave seems something better suited for the SSL_PROTOCOL_METHOD
internals to drive.
It needs refining, but SSL_PROTOCOL_METHOD is now actually a half-decent
abstraction boundary between the higher-level protocol logic and
DTLS/TLS-specific record-layer and message dispatchy bits.
BUG=83
Change-Id: I9b4626bb8a29d9cb30174d9e6912bb420ed45aff
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Yo dawg I herd you like blinding so I put inversion blinding in your
RSA blinding so you can randomly mask your random mask.
This improves upon the current situation where we pretend that
|BN_mod_inverse_no_branch| is constant-time, and it avoids the need to
exert a lot of effort to make a actually-constant-time modular
inversion function just for RSA blinding.
Note that if the random number generator weren't working correctly then
the blinding of the inversion wouldn't be very effective, but in that
case the RSA blinding itself would probably be completely busted, so
we're not really losing anything by relying on blinding to blind the
blinding.
Change-Id: I771100f0ad8ed3c24e80dd859ec22463ef2a194f
Reviewed-on: https://boringssl-review.googlesource.com/8923
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This also adds a missing OPENSSL_EXPORT.
Change-Id: I6c2400246280f68f51157e959438644976b1171b
Reviewed-on: https://boringssl-review.googlesource.com/9041
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There are many cases where we need |BN_rand_range| but with a minimum
value other than 0. |BN_rand_range_ex| provides that.
Change-Id: I564326c9206bf4e20a37414bdbce16a951c148ce
Reviewed-on: https://boringssl-review.googlesource.com/8921
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This was only used so we knew when we had a current message to discard
and when we didn't. With init_msg being tracked better, we can use that
instead.
As part of this, switch the V2ClientHello hack to not using
reuse_message. Otherwise we have to fill in init_msg and friends in two
places.
The next change will require that we have a better handle on the "is
there a current message" boolean.
BUG=83
Change-Id: I917efacbad10806d492bbe51eda74c0779084d60
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Change-Id: I6d552d26b3d72f6fffdc4d4d9fc3b5d82fb4e8bb
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WebRTC want to be able to send a random alert. Add an API for this.
Change-Id: Id3113d68f25748729fd9e9a91dbbfa93eead12c3
Reviewed-on: https://boringssl-review.googlesource.com/8950
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
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Change-Id: I5afb917ff151a1cd19cb03152348b5e2eb774e55
Reviewed-on: https://boringssl-review.googlesource.com/8884
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Alas, we will need a version fallback for TLS 1.3 again.
This deprecates SSL_MODE_SEND_FALLBACK_SCSV. Rather than supplying a
boolean, have BoringSSL be aware of the real maximum version so we can
change the TLS 1.3 anti-downgrade logic to kick in, even when
max_version is set to 1.2.
The fallback version replaces the maximum version when it is set for
almost all purposes, except for downgrade protection purposes.
BUG=chromium:630165
Change-Id: I4c841dcbc6e55a282b223dfe169ac89c83c8a01f
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It seems risky in the context of cross-signed certificates when the
same certificate might have multiple potential issuers. Also rarely
used, since chains in OpenSSL typically only employ self-signed
trust-anchors, whose self-signatures are not checked, while untrusted
certificates are generally ephemeral.
(Imported from upstream's 0e76014e584ba78ef1d6ecb4572391ef61c4fb51.)
This is in master and not 1.0.2, but having a per-certificate signature
cache when this is a function of signature and issuer seems dubious at
best. Thanks to Viktor Dukhovni for pointing this change out to me.
(And for making the original change upstream, of course.)
Change-Id: Ie692d651726f14aeba6eaab03ac918fcaedb4eeb
Reviewed-on: https://boringssl-review.googlesource.com/8880
Reviewed-by: Adam Langley <agl@google.com>
We try to keep the deprecated values hidden, but if we do that, we won't
be able to allocate new constants without knowing which collide.
Change-Id: I3f249639bdf8869b2c83f3efdadd98b63ed839be
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Share a bit more of it between TLS 1.2 and 1.3.
Change-Id: I43c9dbf785a3d33db1793cffb0fdbd3af075cc89
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Our CBB patterns do not make it safe to use a CBB after any operation
failed. Suppose one does:
int add_to_cbb(CBB *cbb) {
CBB child;
return CBB_add_u8(cbb, 1) &&
CBB_add_u8_length_prefixed(cbb, &child) &&
CBB_add_u8(&child, 2) &&
/* Flush |cbb| before |child| goes out of scoped. */
CBB_flush(cbb);
}
If one of the earlier operations fails, any attempt to use |cbb| (except
CBB_cleanup) would hit a memory error. Doing this would be a bug anyway,
since the CBB would be in an undefined state anyway (wrote only half my
object), but the memory error is bad manners.
Officially document that using a CBB after failure is illegal and, to
avoid the memory error, set a poison bit on the cbb_buffer_st to prevent
all future operations. In theory we could make failure +
CBB_discard_child work, but this is not very useful and would require a
more complex CBB pattern.
Change-Id: I4303ee1c326785849ce12b5f7aa8bbde6b95d2ec
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This adds the machinery for doing TLS 1.3 1RTT.
Change-Id: I736921ffe9dc6f6e64a08a836df6bb166d20f504
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This is the equivalent of FragmentAcrossChangeCipherSuite for DTLS. It
is possible for us to, while receiving pre-CCS handshake messages, to
buffer up a message with sequence number meant for a post-CCS Finished.
When we then get to the new epoch and attempt to read the Finished, we
will process the buffered Finished although it was sent with the wrong
encryption.
Move ssl_set_{read,write}_state to SSL_PROTOCOL_METHOD hooks as this is
a property of the transport. Notably, read_state may fail. In DTLS
check the handshake buffer size. We could place this check in
read_change_cipher_spec, but TLS 1.3 has no ChangeCipherSpec message, so
we will need to implement this at the cipher change point anyway. (For
now, there is only an assert on the TLS side. This will be replaced with
a proper check in TLS 1.3.)
Change-Id: Ia52b0b81e7db53e9ed2d4f6d334a1cce13e93297
Reviewed-on: https://boringssl-review.googlesource.com/8790
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>
prk should be a const parameter.
Change-Id: I2369ed9f87fc3c59afc07d3b667b86aec340052e
Reviewed-on: https://boringssl-review.googlesource.com/8810
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>
It was pointed out that the equivalent values may sometimes be hard to
find.
Change-Id: I02a1790e026047b3dc2034c2f9ad75abc9e59eb7
Reviewed-on: https://boringssl-review.googlesource.com/8800
Reviewed-by: Adam Langley <agl@google.com>
This allows us to implement custom RSA-PSS-based keys, so the async TLS
1.3 tests can proceed. For now, both sign and sign_digest exist, so
downstreams only need to manage a small change atomically. We'll remove
sign_digest separately.
In doing so, fold all the *_complete hooks into a single complete hook
as no one who implemented two operations ever used different function
pointers for them.
While I'm here, I've bumped BORINGSSL_API_VERSION. I do not believe we
have any SSL_PRIVATE_KEY_METHOD versions who cannot update atomically,
but save a round-trip in case we do. It's free.
Change-Id: I7f031aabfb3343805deee429b9e244aed5d76aed
Reviewed-on: https://boringssl-review.googlesource.com/8786
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>
This makes custom private keys and EVP_PKEYs symmetric again. There is
no longer a requirement that the caller pre-filter the configured
signing prefs.
Also switch EVP_PKEY_RSA to NID_rsaEncryption. These are identical, but
if some key types are to be NIDs, we should make them all NIDs.
Change-Id: I82ea41c27a3c57f4c4401ffe1ccad406783e4c64
Reviewed-on: https://boringssl-review.googlesource.com/8785
Reviewed-by: David Benjamin <davidben@google.com>
This gives us a sigalg-based API for configuring signing algorithms.
Change-Id: Ib746a56ebd1061eadd2620cdb140d5171b59bc02
Reviewed-on: https://boringssl-review.googlesource.com/8784
Reviewed-by: Adam Langley <agl@google.com>
clang-format is being really insistent on reformatting these even when I
tell it only to reformat a small region far away.
Change-Id: I46cfd40e8c8658b73caee9c7deae65265c42f762
Reviewed-on: https://boringssl-review.googlesource.com/8787
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>
For now, skip the 1.2 -> 1.1 signal since that will affect shipping
code. We may as well enable it too, but wait until things have settled
down. This implements the version in draft-14 since draft-13's isn't
backwards-compatible.
Change-Id: I46be43e6f4c5203eb4ae006d1c6a2fe7d7a949ec
Reviewed-on: https://boringssl-review.googlesource.com/8724
Reviewed-by: David Benjamin <davidben@google.com>
[Rebased and tests added by davidben.]
In doing so, regenerate the test RSA certificate to be 2048-bit RSA.
RSA-PSS with SHA-512 is actually too large for 1024-bit RSA. Also make
the sigalg test loop test versions that do and don't work which subsumes
the ecdsa_sha1 TLS 1.3 test.
For now, RSA-PKCS1 is still allowed because NSS has yet to implement
RSA-PSS and we'd like to avoid complicated interop testing.
Change-Id: I686b003ef7042ff757bdaab8d5838b7a4d6edd87
Reviewed-on: https://boringssl-review.googlesource.com/8613
Reviewed-by: David Benjamin <davidben@google.com>
Upstream have added |EVP_PKEY_up_ref|, but their version returns an int.
Having this function with a different signature like that is dangerous
so this change aligns BoringSSL with upstream. Users of this function in
Chromium and internally should already have been updated.
Change-Id: I0a7aeaf1a1ca3b0f0c635e2ee3826aa100b18157
Reviewed-on: https://boringssl-review.googlesource.com/8736
Reviewed-by: David Benjamin <davidben@google.com>
libssh2 expects this function.
Change-Id: Ie2d6ceb25d1b633e1363e82f8a6c187b75a4319f
Reviewed-on: https://boringssl-review.googlesource.com/8735
Reviewed-by: David Benjamin <davidben@google.com>
Rather than blindly select SHA-1 if we can't find a matching one, act as
if the peer advertised rsa_pkcs1_sha1 and ecdsa_sha1. This means that we
will fail the handshake if no common algorithm may be found.
This is done in preparation for removing the SHA-1 default in TLS 1.3.
Change-Id: I3584947909d3d6988b940f9404044cace265b20d
Reviewed-on: https://boringssl-review.googlesource.com/8695
Reviewed-by: David Benjamin <davidben@google.com>
This reverts commits:
8d79ed674019fdcb52348d79ed6740
Because WebRTC (at least) includes our headers in an extern "C" block,
which precludes having any C++ in them.
Change-Id: Ia849f43795a40034cbd45b22ea680b51aab28b2d
MSVC doesn't define __cplusplus as 201103 to indicate C++11 support, so
just assume that the compiler supports C++11 if _MSC_VER is defined.
Change-Id: I27f6eeefe6e8dc522470f36fab76ab36d85eebac
Reviewed-on: https://boringssl-review.googlesource.com/8734
Reviewed-by: David Benjamin <davidben@google.com>
Now that we have template code in them, that doesn't work.
Change-Id: I9ead5d202b0d8c9b848cf25a1f247f824394a168
Reviewed-on: https://boringssl-review.googlesource.com/8733
Reviewed-by: David Benjamin <davidben@google.com>
This change scatters the contents of the two scoped_types.h files into
the headers for each of the areas of the code. The types are now in the
|bssl| namespace.
Change-Id: I802b8de68fba4786b6a0ac1bacd11d81d5842423
Reviewed-on: https://boringssl-review.googlesource.com/8731
Reviewed-by: Adam Langley <agl@google.com>
We currently have the situation where the |tool| and |bssl_shim| code
includes scoped_types.h from crypto/test and ssl/test. That's weird and
shouldn't happen. Also, our C++ consumers might quite like to have
access to the scoped types.
Thus this change moves some of the template code to base.h and puts it
all in a |bssl| namespace to prepare for scattering these types into
their respective headers. In order that all the existing test code be
able to access these types, it's all moved into the same namespace.
Change-Id: I3207e29474dc5fcc344ace43119df26dae04eabb
Reviewed-on: https://boringssl-review.googlesource.com/8730
Reviewed-by: David Benjamin <davidben@google.com>
It still places the current message all over the place, but remove the
bizarre init_num/error/ok split. Now callers get the message length out
of init_num, which mirrors init_msg. Also fix some signedness.
Change-Id: Ic2e97b6b99e234926504ff217b8aedae85ba6596
Reviewed-on: https://boringssl-review.googlesource.com/8690
Reviewed-by: David Benjamin <davidben@google.com>
Chromium no longer uses it.
Change-Id: I50cc55bad4124305686d299032a2e8ed2cb9d0d7
Reviewed-on: https://boringssl-review.googlesource.com/8691
Reviewed-by: David Benjamin <davidben@google.com>
V2ClientHello is going to be ugly wherever we do it, but this hides it
behind the transport method table. It removes a place where the
handshake state machine reaches into ssl3_get_message's internal state.
ssl3_get_message will now silently translate V2ClientHellos into true
ClientHellos and manage the handshake hash appropriately.
Now the only accesses of init_buf from the handshake state machines are
to create and destroy the buffer.
Change-Id: I81467a038f6ac472a465eec7486a443fe50a98e1
Reviewed-on: https://boringssl-review.googlesource.com/8641
Reviewed-by: Adam Langley <agl@google.com>
To match the Go side. That message will never be used for anything else,
so there's not much need to give it such a long name.
Change-Id: I3396c9d513d02d873e59cd8e81ee64005c5c706c
Reviewed-on: https://boringssl-review.googlesource.com/8620
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Also, update the documentation about aliasing for |BN_usub|. It might
be better to find a way to factor out the shared logic between the
tests of these functions and the tests of |BN_add| and |BN_usub|, but
doing so would end up up creating a lot of parameters due to the many
distinct strings used in the messages.
Change-Id: Ic9d714858212fc92aa6bbcc3959576fe6bbf58c3
Reviewed-on: https://boringssl-review.googlesource.com/8593
Reviewed-by: David Benjamin <davidben@google.com>
Also update the documentation for |BN_sub|.
Change-Id: I544dbfc56f22844f6ca08e9e472ec13e76baf8c4
Reviewed-on: https://boringssl-review.googlesource.com/8592
Reviewed-by: David Benjamin <davidben@google.com>
Upstream added this in a18a31e49d266. The various *_up_ref functions
return a variety of types, but this one returns int because upstream
appears to be trying to unify around that. (See upstream's c5ebfcab713.)
Change-Id: I7e1cfe78c3a32f5a85b1b3c14428bd91548aba6d
Reviewed-on: https://boringssl-review.googlesource.com/8581
Reviewed-by: Adam Langley <alangley@gmail.com>
In order to delay the digest of the handshake transcript and unify
around message-based signing callbacks, a copy of the transcript is kept
around until we are sure there is no certificate authentication.
This removes support for SSL_PRIVATE_KEY_METHOD as a client in SSL 3.0.
Change-Id: If8999a19ca021b4ff439319ab91e2cd2103caa64
Reviewed-on: https://boringssl-review.googlesource.com/8561
Reviewed-by: David Benjamin <davidben@google.com>
I'd meant to change the other -latest to -13 when I merged this, but we
may as well group the two together anyway. Also remove ticket_age as
that's likely to go away in PR#503.
Change-Id: Ibb2f447e344d0b13c937291de69ace37ac9a5e8d
Reviewed-on: https://boringssl-review.googlesource.com/8567
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This replaces the old key_exchange_info APIs and does not require the
caller be aware of the mess around SSL_SESSION management. They
currently have the same bugs around renegotiation as before, but later
work to fix up SSL_SESSION tracking will fix their internals.
For consistency with the existing functions, I've kept the public API at
'curve' rather than 'group' for now. I think it's probably better to
have only one name with a single explanation in the section header
rather than half and half. (I also wouldn't be surprised if the IETF
ends up renaming 'group' again to 'key exchange' at some point. We'll
see what happens.)
Change-Id: I8e90a503bc4045d12f30835c86de64ef9f2d07c8
Reviewed-on: https://boringssl-review.googlesource.com/8565
Reviewed-by: Adam Langley <agl@google.com>
This isn't filled in on the client and Chromium no longer uses it for
plain RSA. It's redundant with existing APIs. This is part of removing
the need for callers to call SSL_get_session where possible.
SSL_get_session is ambiguous when it comes to renego. Some code wants
the current connection state which should not include the pending
handshake and some code wants the handshake scratch space which should.
Renego doesn't exist in TLS 1.3, but TLS 1.3 makes NewSessionTicket a
post-handshake message, so SSL_get_session is somewhat silly of an API
there too.
SSL_SESSION_get_key_exchange_info is a BoringSSL-only API, so we can
freely change it and replace it with APIs keyed on SSL. In doing so, I
think it is better to provide APIs like "SSL_get_dhe_group_size" and
"SSL_get_curve_id" rather than make the caller do the multi-step
SSL_get_current_cipher / SSL_CIPHER_is_ECDHE dance. To that end, RSA
key_exchange_info is pointless as it can already be determined from the
peer certificate.
Change-Id: Ie90523083d8649701c17934b7be0383502a0caa3
Reviewed-on: https://boringssl-review.googlesource.com/8564
Reviewed-by: Adam Langley <agl@google.com>
OpenSSL's SSL_OP_NO_* flags allow discontinuous version ranges. This is a
nuisance for two reasons. First it makes it unnecessarily difficult to answer
"are any versions below TLS 1.3 enabled?". Second the protocol does not allow
discontinuous version ranges on the client anyway. OpenSSL instead picks the
first continous range of enabled versions on the client, but not the server.
This is bizarrely inconsistent. It also doesn't quite do this as the
ClientHello sending logic does this, but not the ServerHello processing logic.
So we actually break some invariants slightly. The logic is also cumbersome in
DTLS which kindly inverts the comparison logic.
First, switch min_version/max_version's storage to normalized versions. Next
replace all the ad-hoc version-related functions with a single
ssl_get_version_range function. Client and server now consistently pick a
contiguous range of versions. Note this is a slight behavior change for
servers. Version-range-sensitive logic is rewritten to use this new function.
BUG=66
Change-Id: Iad0d64f2b7a917603fc7da54c9fc6656c5fbdb24
Reviewed-on: https://boringssl-review.googlesource.com/8513
Reviewed-by: David Benjamin <davidben@google.com>
The signing logic itself still depends on pre-hashed messages and will be fixed
in later commits.
Change-Id: I901b0d99917c311653d44efa34a044bbb9f11e57
Reviewed-on: https://boringssl-review.googlesource.com/8545
Reviewed-by: David Benjamin <davidben@google.com>
They're not necessary.
Change-Id: Ifeb3fae73a8b22f88019e6ef9f9ba5e64ed3cfab
Reviewed-on: https://boringssl-review.googlesource.com/8543
Reviewed-by: David Benjamin <davidben@google.com>
Otherwise how would callers know what these functions do!
Change-Id: Icbd8b8b614fede82b8d78068353539c300cbacab
Reviewed-on: https://boringssl-review.googlesource.com/8542
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Code search confirms they're never used externally either.
Change-Id: Id90bc15e18555dcfd757b318ab7e2d3ca7c31661
Reviewed-on: https://boringssl-review.googlesource.com/8540
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
As part of the SignatureAlgorithm change in the TLS 1.3 specification,
the existing signature/hash combinations are replaced with a combined
signature algorithm identifier. This change maintains the existing APIs
while fixing the internal representations. The signing code currently
still treats the SignatureAlgorithm as a decomposed value, which will be
fixed as part of a separate CL.
Change-Id: I0cd1660d74ad9bcf55ce5da4449bf2922660be36
Reviewed-on: https://boringssl-review.googlesource.com/8480
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This allows us to use CBB for all handshake messages. Now, SSL_PROTOCOL_METHOD
is responsible for implementing a trio of CBB-related hooks to assemble
handshake messages.
Change-Id: I144d3cac4f05b6637bf45d3f838673fc5c854405
Reviewed-on: https://boringssl-review.googlesource.com/8440
Reviewed-by: Adam Langley <agl@google.com>
OBJ_NAME in OpenSSL has an 'alias' field which some code consumes. We never
report anything OpenSSL considers an alias, so just leave it zero. It also has
a 'data' field which, confusingly, is a pointer to the EVP_CIPHER or EVP_MD
despite being a char pointer.
See calls to and implementation of OBJ_NAME_add in OpenSSL for comparison.
Change-Id: Ifc5c70424569db8783deb2fda7736c1954b5dd3a
Reviewed-on: https://boringssl-review.googlesource.com/8515
Reviewed-by: Adam Langley <agl@google.com>
It was missing. Writing NewSessionTicket will need it.
Change-Id: I39de237894f2e8356bd6861da2b8a4d805dcd2d6
Reviewed-on: https://boringssl-review.googlesource.com/8439
Reviewed-by: Adam Langley <agl@google.com>
It is an explicit copy of something, but it's a lot easier to reason about than
the init_buf/init_num gynmastics we were previously doing. This is along the
way to getting init_buf out of here.
Change-Id: Ia1819ba9db60ef6db09dd60d208dbc95fcfb4bd2
Reviewed-on: https://boringssl-review.googlesource.com/8432
Reviewed-by: Adam Langley <agl@google.com>
Saves us some mess if they're never zero. This also fixes a bug in
ssl3_get_max_client_version where it didn't account for all versions being
disabled properly.
Change-Id: I4c95ff57cf8953cb4a528263b252379f252f3e01
Reviewed-on: https://boringssl-review.googlesource.com/8512
Reviewed-by: David Benjamin <davidben@google.com>
This also adds a missing check to the C half to ensure fake record types are
always correct, to keep implementations honest.
Change-Id: I1d65272e647ffa67018c721d52c639f8ba47d647
Reviewed-on: https://boringssl-review.googlesource.com/8510
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
As of 67cb49d045 and the corresponding upstream
change, BN_mod_word may fail, like BN_div_word. Handle this properly and
document in bn.h. Thanks to Brian Smith for pointing this out.
Change-Id: I6d4f32dc37bcabf70847c9a8b417d55d31b3a380
Reviewed-on: https://boringssl-review.googlesource.com/8491
Reviewed-by: Adam Langley <agl@google.com>
That both exist with nearly the same name is unfortunate. This also does away
with cert_req being unnecessarily tri-state.
Change-Id: Id83e13d0249b80700d9258b363d43b15d22898d8
Reviewed-on: https://boringssl-review.googlesource.com/8247
Reviewed-by: Adam Langley <agl@google.com>
This implements the cipher suite constraints in "fake TLS 1.3". It also makes
bssl_shim and runner enable it by default so we can start adding MaxVersion:
VersionTLS12 markers to tests as 1.2 vs. 1.3 differences begin to take effect.
Change-Id: If1caf6e43938c8d15b0a0f39f40963b8199dcef5
Reviewed-on: https://boringssl-review.googlesource.com/8340
Reviewed-by: David Benjamin <davidben@google.com>
It's a prime, so computing a constant-time mod inverse is straight-forward.
Change-Id: Ie09b84363c3d5da827989300a844c470437fd8f2
Reviewed-on: https://boringssl-review.googlesource.com/8308
Reviewed-by: Adam Langley <agl@google.com>
The case where ec_group_get_mont_data is NULL is only for arbitrary groups
which we now require to be prime order. BN_mod_exp_mont is fine with a NULL
BN_MONT_CTX. It will just compute it. Saves a bit of special-casing.
Also don't mark p-2 as BN_FLG_CONSTTIME as the exponent is public anyway.
Change-Id: Ie868576d52fc9ae5f5c9f2a4039a729151bf84c7
Reviewed-on: https://boringssl-review.googlesource.com/8307
Reviewed-by: Adam Langley <agl@google.com>
The Conscrypt revert cycled in long ago.
Change-Id: If3cdb211d7347dca88bd70bdc643f80b19a7e528
Reviewed-on: https://boringssl-review.googlesource.com/8306
Reviewed-by: Adam Langley <agl@google.com>
(This change will be sent upstream. Since the legacy X.509 stack is just
kept around for compatibility, if they decide to fix it in a different
way, we may wish to revert this and apply their fix.)
Dating back to SSLeay, X509_LOOKUP_METHOD had this X509_LU_RETRY
machinery. But it's not documented and it appears to have never worked.
Problems with the existing logic:
- X509_LU_* is not sure whether it is a type enum (to be passed into
X509_LOOKUP_by_*) or a return enum (to be retained by those same
functions).
- X509_LOOKUP_by_* is not sure whether it returns 0/1 or an X509_LU_*
value. Looking at the functions themselves, one might think it's the
latter, but for X509_LOOKUP_by_subject returning both 0 and
X509_LU_FAIL. But looking at the call sites, some expect 0/1 (such as
X509_STORE_get1_certs) while others expect an X509_LU_* enum (such as
X509_STORE_CTX_get1_issuer). It is very fortunate that FAIL happens to
be 0 and X509 happens to be 1.
These functions primarily call to X509_LOOKUP_METHOD hooks. Looking
through OpenSSL itself and code checked into Google, I found no
evidence that any hooks have been implemented except for
get_by_subject in by_dir.c. We take that one as definitive and observe
it believes it returns 0/1. Notably, it returns 1 on success even if
asked for a type other than X509_LU_X509. (X509_LU_X509 = 1. Others are
different.) I found another piece of third-party software which corroborates
this worldview.
- X509_STORE_get_by_subject's handling of X509_LU_RETRY (it's the j < 0
check) is broken. It saves j into vs->current_method where it probably
meant to save i. (This bug has existed since SSLeay.)
It also returns j (supposedly X509_LU_RETRY) while all callers of
X509_STORE_get_by_subject expect it to return 0/1 by checking with !
instead of <= 0. (Note that all other codepaths return 0 and 1 so this
function did not actually believe it returned X509_LU_* most of the
time.)
This, in turn, gives us a free of uninitialized pointers in
X509_STORE_get1_certs and other functions which expect that *ret is
filled in if X509_STORE_get_by_subject returns success. GCC 4.9 with
optimizations from the Android NDK noticed this, which trigged this
saga.
(It's only reachable if any X509_LOOKUP_METHOD returned
X509_LU_RETRY.)
- Although the code which expects X509_STORE_get_by_subject return 0/1
does not date to SSLeay, the X509_STORE_get_by_subject call in
X509_STORE_CTX_get1_issuer *does* (though, at the time, it was inline
in X509_verify_cert. That code believes X509_STORE_get_by_subject
returns an X509_LU_* enum, but it doesn't work either! It believes
*ret is filled in on X509_LU_RETRY, thus freeing another uninitialized
pointer (GCC noticed this too).
Since this "retry" code has clearly never worked, from SSLeay onwards,
unwind it completely rather than attempt to fix it. No
X509_LOOKUP_METHOD can possibly have depended on it.
Matching all non-broken codepaths X509_LOOKUP_by_* now returns 0/1 and
X509_STORE_get_by_subject returns 0/1. X509_LU_* is purely a type enum
with X509_LU_{REJECT,FAIL} being legacy constants to keep old code
compiling. (Upstream is recommended to remove those values altogether
for 1.1.0.)
On the off chance any get_by_* X509_LOOKUP_METHOD implementations did
not return 0/1 (I have found no evidence anywhere of this, and I believe
it wouldn't have worked anyway), the X509_LOOKUP_by_* wrapper functions
will coerce the return values back to 0/1 before passing up to the
callers which want 0/1. This both avoids the error-prone -1/0/1 calling
convention and, more importantly, avoids problems with third-party
callers which expect a X509_LU_* return code. 0/1 collide with FAIL/X509
while -1 will collide with RETRY and might confuse things.
Change-Id: I98ecf6fa7342866b9124dc6f0b422cb9ce4a1ae7
Reviewed-on: https://boringssl-review.googlesource.com/8303
Reviewed-by: Adam Langley <agl@google.com>
I named the compatibility function wrong.
Change-Id: Idc289c317c5826c338c1daf58a2d3b26b09a7e49
Reviewed-on: https://boringssl-review.googlesource.com/8301
Reviewed-by: Adam Langley <agl@google.com>
SSL_set_bio has some rather complex ownership story because whether rbio/wbio
are both owning depends on whether they are equal. Moreover, whether
SSL_set_bio(ssl, rbio, wbio) frees ssl->rbio depends on whether rbio is the
existing rbio or not. The current logic doesn't even get it right; see tests.
Simplify this. First, rbio and wbio are always owning. All the weird ownership
cases which we're stuck with for compatibility will live in SSL_set_bio. It
will internally BIO_up_ref if necessary and appropriately no-op the left or
right side as needed. It will then call more well-behaved ssl_set_rbio or
ssl_set_wbio functions as necessary.
Change-Id: I6b4b34e23ed01561a8c0aead8bb905363ee413bb
Reviewed-on: https://boringssl-review.googlesource.com/8240
Reviewed-by: Adam Langley <agl@google.com>
These are more remnants of CMS. Nothing uses them directly. Removing them means
more code we don't have to think about when importing upstream patches.
Also take out a bunch of dead prototypes nearby.
Change-Id: Ife094d9d2078570006d1355fa4e3323f435be608
Reviewed-on: https://boringssl-review.googlesource.com/8244
Reviewed-by: David Benjamin <davidben@google.com>
These are more pretty-printers for generic ASN.1 structures. They're never
called externally and otherwise are only used in the X509V3_EXT_PARSE_UNKNOWN
mode for the X509 pretty-print functions. That makes unknown extensions
pretty-print as ASN.1 structures.
This is a rather useless feature, so have that fall through to
X509V3_EXT_DUMP_UNKNOWN which does a hexdump instead.
(The immediate trigger is I don't know what |op| is in upstream's
8c918b7b9c93ba38790ffd1a83e23c3684e66f57 and don't think it is worth the time
to puzzle that out and verify it. Better ditch this code completely.)
Change-Id: I0217906367d83056030aea64ef344d4fedf74763
Reviewed-on: https://boringssl-review.googlesource.com/8243
Reviewed-by: David Benjamin <davidben@google.com>
These functions are never instantiated. (They're a remnant of the PKCS#7 and
CMS bits.) Next time upstream touches this code, we don't have to puzzle
through the diff and import it.
Change-Id: I67c2102ae13e8e0527d858e1c63637dd442a4ffb
Reviewed-on: https://boringssl-review.googlesource.com/8242
Reviewed-by: David Benjamin <davidben@google.com>
There's a __pragma expression which allows this. Android builds us Windows with
MinGW for some reason, so we actually do have to tolerate non-MSVC-compatible
Windows compilers. (Clang for Windows is much more sensible than MinGW and
intentionally mimicks MSVC.)
MinGW doesn't understand MSVC's pragmas and warns a lot. #pragma warning is
safe to suppress, so wrap those to shush them. This also lets us do away with a
few ifdefs.
Change-Id: I1f5a8bec4940d4b2d947c4c1cc9341bc15ec4972
Reviewed-on: https://boringssl-review.googlesource.com/8236
Reviewed-by: Adam Langley <agl@google.com>
While most of OpenSSL's assembly allows out < in too, some of it doesn't.
Upstream seems to not consider this a problem (or, at least, they're failing to
make a decision on whether it is a problem, so we should assume they'll stay
their course). Accordingly, require aliased buffers to exactly align so we
don't have to keep chasing this down.
Change-Id: I00eb3df3e195b249116c68f7272442918d7077eb
Reviewed-on: https://boringssl-review.googlesource.com/8231
Reviewed-by: Adam Langley <agl@google.com>
Set ctx->error = X509_V_ERR_OUT_OF_MEM when verification cannot
continue due to malloc failure. Similarly for issuer lookup failures
and caller errors (bad parameters or invalid state).
Also, when X509_verify_cert() returns <= 0 make sure that the
verification status does not remain X509_V_OK, as a last resort set
it it to X509_V_ERR_UNSPECIFIED, just in case some code path returns
an error without setting an appropriate value of ctx->error.
Add new and some missing error codes to X509 error -> SSL alert switch.
(Imported from upstream's 5553a12735e11bc9aa28727afe721e7236788aab.)
Change-Id: I3231a6b2e72a3914cb9316b8e90ebaee009a1c5f
Reviewed-on: https://boringssl-review.googlesource.com/8170
Reviewed-by: David Benjamin <davidben@google.com>
This callback is used by BoringSSL tests in order to simulate the time,
so that the tests have repeatable results. This API will allow consumers
of BoringSSL to write the same sort of tests.
Change-Id: I79d72bce5510bbd83c307915cd2cc937579ce948
Reviewed-on: https://boringssl-review.googlesource.com/8200
Reviewed-by: David Benjamin <davidben@google.com>
Match the actual name of the type.
Change-Id: I0ad27196ee2876ce0690d13068fa95f68b05b0da
Reviewed-on: https://boringssl-review.googlesource.com/8187
Reviewed-by: David Benjamin <davidben@google.com>
There's only one thing under "SNI Extension".
Change-Id: I8d8c54c286cb5775a20c4e2623896eb9be2f0009
Reviewed-on: https://boringssl-review.googlesource.com/8181
Reviewed-by: David Benjamin <davidben@google.com>
The business with ssl_record_prefix_len is rather a hassle. Instead, have
tls_open_record always decrypt in-place and give back a CBS to where the body
is.
This way the caller doesn't need to do an extra check all to avoid creating an
invalid pointer and underflow in subtraction.
Change-Id: I4e12b25a760870d8f8a503673ab00a2d774fc9ee
Reviewed-on: https://boringssl-review.googlesource.com/8173
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
The two modes are quite different. One of them requires the BIO honor an
extra BIO_ctrl. Also add an explanation at the top of
addDTLSRetransmitTests for how these tests work. The description is
scattered across many different places.
BUG=63
Change-Id: Iff4cdd1fbf4f4439ae0c293f565eb6780c7c84f9
Reviewed-on: https://boringssl-review.googlesource.com/8121
Reviewed-by: David Benjamin <davidben@google.com>
More spring-cleaning of unnecessary incompatibilities. Since
OpenSSL_add_all_algorithms_conf doesn't specify a configuration file, it's
perfectly sound to have such a function.
Dear BoringSSL, please add all algorithms.
Uh, sure. They were already all there, but I have added them!
PS: Could you also load all your configuration files while you're at it.
...I don't have any. Fine. I have loaded all configuration files which I
recognize. *mutters under breath* why does everyone ask all these strange
questions...
Change-Id: I57f956933d9e519445bf22f89853bd5f56904172
Reviewed-on: https://boringssl-review.googlesource.com/8160
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
The fake numbers collide with other numbers defined below. Also PUSH and POP
are actually used. DUP legitimately isn't though.
Change-Id: Iaa15a065d846b89b9b7958b78068393cfee2bd6f
Reviewed-on: https://boringssl-review.googlesource.com/8143
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Some OpenSSL consumers use them, so provide no-op versions to make porting code
easier.
Change-Id: I4348568c1cb08d2b2c0a9ec9a17e2c0449260965
Reviewed-on: https://boringssl-review.googlesource.com/8142
Reviewed-by: David Benjamin <davidben@google.com>
Make building against software that expects OpenSSL easier.
Change-Id: I1af090ae8208218d6e226ee0baf51053699d85cc
Reviewed-on: https://boringssl-review.googlesource.com/8141
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
doc.go is still a little unhappy.
Change-Id: I5a8f3da91dabb45d29d0e08f13b7dabdcd521c38
Reviewed-on: https://boringssl-review.googlesource.com/8145
Reviewed-by: David Benjamin <davidben@google.com>
One of these tests the distribution of noise polynomials; the other
tests that that agreed-upon keys (prior to whitening) have roughly equal
numbers of 0s and 1s.
Along the way, expose a few more API bits.
Change-Id: I6b04708d41590de45d82ea95bae1033cfccd5d67
Reviewed-on: https://boringssl-review.googlesource.com/8130
Reviewed-by: Adam Langley <agl@google.com>
This commit adds coverage of the "offer" (first) step, as well as
testing all outputs of the "accept" (second) step, not just the shared
key.
Change-Id: Id11fe24029abc302442484a6c01fa496a1578b3a
Reviewed-on: https://boringssl-review.googlesource.com/8100
Reviewed-by: Adam Langley <agl@google.com>
This keeps the naming convention in line with the actual spec.
Change-Id: I34673f78dbc29c1659b4da0e49677ebe9b79636b
Reviewed-on: https://boringssl-review.googlesource.com/8090
Reviewed-by: David Benjamin <davidben@google.com>
The test vectors are taken from the reference implementation, modified
to output the results of its random-number generator, and the results of
key generation prior to SHA3. This allows the interoperability of the
two implementations to be tested somewhat.
To accomplish the testing, this commit creates a new, lower-level API
that leaves the generation of random numbers and all wire encoding and
decoding up to the caller.
Change-Id: Ifae3517696dde4be4a0b7c1998bdefb789bac599
Reviewed-on: https://boringssl-review.googlesource.com/8070
Reviewed-by: Adam Langley <agl@google.com>
Now that we no longer support Windows XP, this is available.
Unfortunately, the public header version of CRYPTO_MUTEX means we
still can't easily merge CRYPTO_MUTEX and CRYPTO_STATIC_MUTEX.
BUG=37
Change-Id: If309de3f06e0854c505083b72fd64d1dbb3f4563
Reviewed-on: https://boringssl-review.googlesource.com/8081
Reviewed-by: Adam Langley <agl@google.com>
This is easier to deploy, and more obvious. This commit reverts a few
pieces of e25775bc, but keeps most of it.
Change-Id: If8d657a4221c665349c06041bb12fffca1527a2c
Reviewed-on: https://boringssl-review.googlesource.com/8061
Reviewed-by: Adam Langley <agl@google.com>
This code has caused a long history of problems. This change rewrites it
completely with something that is, hopefully, much simplier and robust
and adds more testing.
Change-Id: Ibeef51f9386afd95d5b73316e451eb3a2d7ec4e0
Reviewed-on: https://boringssl-review.googlesource.com/8033
Reviewed-by: Adam Langley <agl@google.com>
Constants representing TLS 1.3 are added to allow for future work to be
flagged on TLS1_3_VERSION. To prevent BoringSSL from negotiating the
non-existent TLS 1.3 version, it is explicitly disabled using
SSL_OP_NO_TLSv1_3.
Change-Id: Ie5258a916f4c19ef21646c4073d5b4a7974d6f3f
Reviewed-on: https://boringssl-review.googlesource.com/8041
Reviewed-by: Adam Langley <agl@google.com>
This renames the Channel ID EncryptedExtensions message to allow for
compatibility with TLS 1.3 EncryptedExtensions.
Change-Id: I5b67d00d548518045554becb1b7213fba86731f2
Reviewed-on: https://boringssl-review.googlesource.com/8040
Reviewed-by: Adam Langley <agl@google.com>
OpenSSL's bbio logic is kind of crazy. It would be good to eventually do the
buffering in a better way (notably, bbio is fragile, if not outright broken,
for DTLS). In the meantime, this fixes a number of bugs where the existence of
bbio was leaked in the public API and broke things.
- SSL_get_wbio returned the bbio during the handshake. It must always return
the BIO the consumer configured. In doing so, internal accesses of
SSL_get_wbio should be switched to ssl->wbio since those want to see bbio.
For consistency, do the same with rbio.
- The logic in SSL_set_rfd, etc. (which I doubt is quite right since
SSL_set_bio's lifetime is unclear) would get confused once wbio got wrapped.
Those want to compare to SSL_get_wbio.
- If SSL_set_bio was called mid-handshake, bbio would get disconnected and lose
state. It forgets to reattach the bbio afterwards. Unfortunately, Conscrypt
does this a lot. It just never ended up calling it at a point where the bbio
would cause problems.
- Make more explicit the invariant that any bbio's which exist are always
attached. Simplify a few things as part of that.
Change-Id: Ia02d6bdfb9aeb1e3021a8f82dcbd0629f5c7fb8d
Reviewed-on: https://boringssl-review.googlesource.com/8023
Reviewed-by: Kenny Root <kroot@google.com>
Reviewed-by: Adam Langley <agl@google.com>
The 'elliptic_curves' extension is being renamed to 'supported_groups'
in the TLS 1.3 draft, and most of the curve-specific methods are
generalized to groups/group IDs.
Change-Id: Icd1a1cf7365c8a4a64ae601993dc4273802610fb
Reviewed-on: https://boringssl-review.googlesource.com/7955
Reviewed-by: David Benjamin <davidben@google.com>
open_iscsi assumes that it can get |OPENSSL_malloc| after including only
pem.h and err.h. Since pem.h already includes quite a lot, this change
adds crypto.h to that set so that open_iscsi is happy.
Change-Id: I6dc06c27088ce3ca46c1ab53bb29650033cba267
Reviewed-on: https://boringssl-review.googlesource.com/8031
Reviewed-by: David Benjamin <davidben@google.com>
The key schedule in TLS 1.3 requires a separate Extract and Expand phase
for the cryptographic computations.
Change-Id: Ifdac1237bda5212de5d4f7e8db54e202151d45ec
Reviewed-on: https://boringssl-review.googlesource.com/7983
Reviewed-by: David Benjamin <davidben@google.com>
CECPQ1 is a new key exchange that concatenates the results of an X25519
key agreement and a NEWHOPE key agreement.
Change-Id: Ib919bdc2e1f30f28bf80c4c18f6558017ea386bb
Reviewed-on: https://boringssl-review.googlesource.com/7962
Reviewed-by: David Benjamin <davidben@google.com>
This is consistent with the new convention in ssl_ecdh.c.
Along the way, change newhope_test.c to not iterate 1000 times over each
test.
Change-Id: I7a500f45b838eba8f6df96957891aa8e880ba089
Reviewed-on: https://boringssl-review.googlesource.com/8012
Reviewed-by: David Benjamin <davidben@google.com>
We don't have any of these.
Change-Id: I8d12284fbbab0ff35ac32d35a5f2eba326ab79f8
Reviewed-on: https://boringssl-review.googlesource.com/7981
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
They're completely unused now. The handshake message reassembly logic should
not depend on the state machine. This should partially free it up (ugly as it
is) to be shared with a future TLS 1.3 implementation while, in parallel, it
and the layers below, get reworked. This also cuts down on the number of states
significantly.
Partially because I expect we'd want to get ssl_hash_message_t out of there
too. Having it in common code is fine, but it needs to be in the (supposed to
be) protocol-agnostic handshake state machine, not the protocol-specific
handshake message layer.
Change-Id: I12f9dc57bf433ceead0591106ab165d352ef6ee4
Reviewed-on: https://boringssl-review.googlesource.com/7949
Reviewed-by: Adam Langley <agl@google.com>
Rather than this confusing coordination with the handshake state machine and
init_num changing meaning partway through, use the length field already in
BUF_MEM. Like the new record layer parsing, is no need to keep track of whether
we are reading the header or the body. Simply keep extending the handshake
message until it's far enough along.
ssl3_get_message still needs tons of work, but this allows us to disentangle it
from the handshake state.
Change-Id: Ic2b3e7cfe6152a7e28a04980317d3c7c396d9b08
Reviewed-on: https://boringssl-review.googlesource.com/7948
Reviewed-by: Adam Langley <agl@google.com>
BUF_MEM is actually a rather silly API for the SSL stack. There's separate
length and max fields, but init_buf effectively treats length as max and max as
nothing.
We possibly don't want to be using it long-term anyway (if nothing else, the
char*/uint8_t* thing is irritating), but in the meantime, it'll be easier to
separately fix up get_message's book-keeping and state tracking from where the
handshake gets its messages from.
Change-Id: I9e56ea008173991edc8312ec707505ead410a9ee
Reviewed-on: https://boringssl-review.googlesource.com/7947
Reviewed-by: Adam Langley <agl@google.com>
The existing logic gets confused in a number of cases around close_notify vs.
fatal alert. SSL_shutdown, while still pushing to the error queue, will fail to
notice alerts. We also get confused if we try to send a fatal alert when we've
already sent something else.
Change-Id: I9b1d217fbf1ee8a9c59efbebba60165b7de9689e
Reviewed-on: https://boringssl-review.googlesource.com/7952
Reviewed-by: David Benjamin <davidben@google.com>
This function will return whether BoringSSL was built with
OPENSSL_NO_ASM. This will allow us to write a test in our internal
codebase which asserts that normal builds should always have assembly
code included.
Change-Id: Ib226bf63199022f0039d590edd50c0cc823927b9
Reviewed-on: https://boringssl-review.googlesource.com/7960
Reviewed-by: David Benjamin <davidben@google.com>
This function is only really useful for DSA signature verification,
which is something that isn't performance-sensitive. Replace its
optimized implementation with a naïve implementation that's much
simpler.
Note that it would be simpler to use |BN_mod_mul| in the new
implementation; |BN_mod_mul_montgomery| is used instead only to be
consistent with other work being done to replace uses of non-Montgomery
modular reduction with Montgomery modular reduction.
Change-Id: If587d463b73dd997acfc5b7ada955398c99cc342
Reviewed-on: https://boringssl-review.googlesource.com/7732
Reviewed-by: David Benjamin <davidben@google.com>
sk_FOO_num may be called on const stacks. Given that was wrong, I suspect no
one ever uses a const STACK_OF(T)...
Other macros were correctly const, but were casting the constness a way (only
to have it come back again).
Also remove the extra newline after a group. It seems depending on which
version of clang-format was being used, we'd either lose or keep the extra
newline. The current file doesn't have them, so settle on that.
Change-Id: I19de6bc85b0a043d39c05ee3490321e9f0adec60
Reviewed-on: https://boringssl-review.googlesource.com/7946
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
The array is of size two for the level and description, not because we allow
two alerts outstanding; we don't.
Change-Id: I25e42c059ce977a947397a3dc83e9684bc8f0595
Reviewed-on: https://boringssl-review.googlesource.com/7940
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
|BN_mod_exp_mont_word| is only useful when the base is a single word
in length and timing side channel protection of the exponent is not
needed. That's never the case in real life.
Keep the function in the API, but removes its single-word-base
optimized implementation with a call to |BN_mod_exp_mont|.
Change-Id: Ic25f6d4f187210b681c6ee6b87038b64a5744958
Reviewed-on: https://boringssl-review.googlesource.com/7731
Reviewed-by: David Benjamin <davidben@google.com>
This allows an application to override the default of 1 second, which
is what's instructed in RFC 6347 but is not an absolute requirement.
Change-Id: I0bbb16e31990fbcab44a29325b6ec7757d5789e5
Reviewed-on: https://boringssl-review.googlesource.com/7930
Reviewed-by: David Benjamin <davidben@google.com>
Also add a test.
This is the last of the openssl/asn1.h includes from the directories that are
to be kept in the core libcrypto library. (What remains is to finish sorting
out the crypto/obj stuff. We'll also want to retain a decoupled version of the
PKCS#12 stuff.)
Functions that need to be audited for reuse:
i2d_DHparams
BUG=54
Change-Id: Ibef030a98d3a93ae26e8e56869f14858ec75601b
Reviewed-on: https://boringssl-review.googlesource.com/7900
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
The BORINGSSL_YYYYMM #defines have served well to coordinate short-term skews
in BoringSSL's public API, but some consumers (notably wpa_supplicant in
Android) wish to build against multiple versions for an extended period of
time. Consumers should not do this unless there is no alternative, but to
accommodate this, start a BORINGSSL_API_VERSION counter. In future, instead of
BORINGSSL_YYYYMM #defines, we'll simply increment the number.
This is specifically called an "API version" rather than a plain "version" as
this number does not denote any particular point in development or stability.
It purely counts how many times we found it convenient to let the preprocessor
observe a public API change up to now.
Change-Id: I39f9740ae8e793cef4c2b5fb5707b9763b3e55ce
Reviewed-on: https://boringssl-review.googlesource.com/7870
Reviewed-by: Adam Langley <agl@google.com>
Previously, the verification was only done when using the CRT method,
as the CRT method has been shown to be extremely sensitive to fault
attacks. However, there's no reason to avoid doing the verification
when the non-CRT method is used (performance-sensitive applications
should always be using the CRT-capable keys).
Previously, when we detected a fault (attack) through this verification,
libcrypto would fall back to the non-CRT method and assume that the
non-CRT method would give a correct result, despite having just
detecting corruption that is likely from an attack. Instead, just give
up, like NSS does.
Previously, the code tried to handle the case where the input was not
reduced mod rsa->n. This is (was) not possible, so avoid trying to
handle that. This simplifies the equality check and lets us use
|CRYPTO_memcmp|.
Change-Id: I78d1e55520a1c8c280cae2b7256e12ff6290507d
Reviewed-on: https://boringssl-review.googlesource.com/7582
Reviewed-by: David Benjamin <davidben@google.com>
Sanity check field lengths and sums to avoid potential overflows and reject
excessively large X509_NAME structures.
Issue reported by Guido Vranken.
(Imported from upstream's 9b08619cb45e75541809b1154c90e1a00450e537.)
Change-Id: Ib2e1e7cd086f9c3f0d689d61947f8ec3e9220049
Reviewed-on: https://boringssl-review.googlesource.com/7842
Reviewed-by: Adam Langley <agl@google.com>
In the past we have needed the ability to deploy security fixes to our
frontend systems without leaking them in source code or in published
binaries.
This change adds a function that provides some infrastructure for
supporting this in BoringSSL while meeting our internal build needs. We
do not currently have any specific patch that requires this—this is
purely preparation.
Change-Id: I5c64839e86db4e5ea7419a38106d8f88b8e5987e
Reviewed-on: https://boringssl-review.googlesource.com/7849
Reviewed-by: David Benjamin <davidben@google.com>
If we're to allow the buggy CPU workaround to fire when __ARM_NEON__ is set,
CRYPTO_is_NEON_capable also needs to be aware of it. Also add an API to export
this value out of BoringSSL, so we can get some metrics on how prevalent this
chip is.
BUG=chromium:606629
Change-Id: I97d65a47a6130689098b32ce45a8c57c468aa405
Reviewed-on: https://boringssl-review.googlesource.com/7796
Reviewed-by: Adam Langley <agl@google.com>
This reverts commits:
- 9158637142
- a90aa64302
- c0d8b83b44
It turns out code outside of BoringSSL also mismatches Init and Update/Final
functions. Since this is largely cosmetic, it's probably not worth the cost to
do this.
Change-Id: I14e7b299172939f69ced2114be45ccba1dbbb704
Reviewed-on: https://boringssl-review.googlesource.com/7793
Reviewed-by: Adam Langley <agl@google.com>
As with SHA512_Final, use the different APIs rather than store md_len.
Change-Id: Ie1150de6fefa96f283d47aa03de0f18de38c93eb
Reviewed-on: https://boringssl-review.googlesource.com/7722
Reviewed-by: Adam Langley <agl@google.com>
Rather than store md_len, factor out the common parts of SHA384_Final and
SHA512_Final and then extract the right state. Also add a missing
SHA384_Transform and be consistent about "1" vs "one" in comments.
This also removes the NULL output special-case which no other hash function
had.
Change-Id: If60008bae7d7d5b123046a46d8fd64139156a7c5
Reviewed-on: https://boringssl-review.googlesource.com/7720
Reviewed-by: Adam Langley <agl@google.com>
There was only one function that required BoringSSL to know how to read
directories. Unfortunately, it does have some callers and it's not immediately
obvious whether the code is unreachable. Rather than worry about that, just
toss it all into decrepit.
In doing so, do away with the Windows and PNaCl codepaths. Only implement
OPENSSL_DIR_CTX on Linux.
Change-Id: Ie64d20254f2f632fadc3f248bbf5a8293ab2b451
Reviewed-on: https://boringssl-review.googlesource.com/7661
Reviewed-by: Adam Langley <agl@google.com>
C and C++ disagree on the sizes of empty structs, which can be rather bad for
structs embedded in public headers. Stick a char in them to avoid issues. (It
doesn't really matter for CRYPTO_STATIC_MUTEX, but it's easier to add a char in
there too.)
Thanks to Andrew Chi for reporting this issue.
Change-Id: Ic54fff710b688decaa94848e9c7e1e73f0c58fd3
Reviewed-on: https://boringssl-review.googlesource.com/7760
Reviewed-by: David Benjamin <davidben@google.com>
aosp-master has been updated past the point that this is necessary. Sadly, all
the other hacks still are. I'll try to get things rolling so we can ditch the
others in time.
Change-Id: If7b3aad271141fb26108a53972d2d3273f956e8d
Reviewed-on: https://boringssl-review.googlesource.com/7751
Reviewed-by: Adam Langley <agl@google.com>
Due to Android's complex branching scheme, we have to keep building against a
snapshotted version of wpa_supplicant. wpa_supplicant, in preparation for
OpenSSL 1.1.0, added compatibility versions of some accessors that we, in
working towards opaquification, have imported. This causes a conflict (C does
not like having static and non-static functions share a name).
Add a hack in the headers to suppress the conflicting accessors when
BORINGSSL_SUPPRESS_ACCESSORS is defined. Android releases which include an
updated BoringSSL will also locally carry this #define in wpa_supplicant build
files. Once we can be sure releases of BoringSSL will only see a new enough
wpa_supplicant (one which includes a to-be-submitted patch), we can ditch this.
Change-Id: I3e27fde86bac1e59077498ee5cbd916cd880821e
Reviewed-on: https://boringssl-review.googlesource.com/7750
Reviewed-by: Adam Langley <agl@google.com>
Opaquifying SSL_SESSION is less important than the other structs, but this will
cause less turbulence in wpa_supplicant if we add this API too. Semantics and
name taken from OpenSSL 1.1.0 to match.
BUG=6
Change-Id: Ic39f58d74640fa19a60aafb434dd2c4cb43cdea9
Reviewed-on: https://boringssl-review.googlesource.com/7725
Reviewed-by: Adam Langley <agl@google.com>
Probably better to keep it out of the way for someone just trying to figure out
how to use the library. Notably, we don't really want people to think they need
to use the directioned init function.
Change-Id: Icacc2061071581abf46e38eb1d7a52e7b1f8361b
Reviewed-on: https://boringssl-review.googlesource.com/7724
Reviewed-by: Adam Langley <agl@google.com>
It has all of one function in there.
Change-Id: I86f0fbb76d267389c62b63ac01df685acb70535e
Reviewed-on: https://boringssl-review.googlesource.com/7723
Reviewed-by: Adam Langley <agl@google.com>
This is avoids pulling in BIGNUM for doing a straight-forward addition on a
block-sized value, and avoids a ton of mallocs. It's also -Wconversion-clean,
unlike the old one.
In doing so, this replaces the HMAC_MAX_MD_CBLOCK with EVP_MAX_MD_BLOCK_SIZE.
By having the maximum block size available, most of the temporary values in the
key derivation don't need to be malloc'd.
BUG=22
Change-Id: I940a62bba4ea32bf82b1190098f3bf185d4cc7fe
Reviewed-on: https://boringssl-review.googlesource.com/7688
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Also switch the EVP_CIPHER copy to cut down on how frequently we need to cast
back and forth.
BUG=22
Change-Id: I9af1e586ca27793a4ee6193bbb348cf2b28a126e
Reviewed-on: https://boringssl-review.googlesource.com/7689
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
The EVP_MD versions do, so the types should bubble up.
BUG=22
Change-Id: Ibccbc9ff35bbfd3d164fc28bcdd53ed97c0ab338
Reviewed-on: https://boringssl-review.googlesource.com/7687
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Require the public exponent to be available unless
|RSA_FLAG_NO_BLINDING| is set on the key. Also, document this.
If the public exponent |e| is not available, then we could compute it
from |p|, |q|, and |d|. However, there's no reasonable situation in
which we'd have |p| or |q| but not |e|; either we have all the CRT
parameters, or we have (e, d, n), or we have only (d, n). The
calculation to compute |e| exposes the private key to risk of side
channel attacks.
Also, it was particularly wasteful to compute |e| for each
|BN_BLINDING| created, instead of just once before the first
|BN_BLINDING| was created.
|BN_BLINDING| now no longer needs to contain a duplicate copy of |e|,
so it is now more space-efficient.
Note that the condition |b->e != NULL| in |bn_blinding_update| was
always true since commit cbf56a5683.
Change-Id: Ic2fd6980e0d359dcd53772a7c31bdd0267e316b4
Reviewed-on: https://boringssl-review.googlesource.com/7594
Reviewed-by: David Benjamin <davidben@google.com>
This reduces the chance of double-frees.
BUG=10
Change-Id: I11a240e2ea5572effeddc05acb94db08c54a2e0b
Reviewed-on: https://boringssl-review.googlesource.com/7583
Reviewed-by: David Benjamin <davidben@google.com>
We do not need to support engine-provided verification methods.
Change-Id: Iaad8369d403082b728c831167cc386fdcabfb067
Reviewed-on: https://boringssl-review.googlesource.com/7311
Reviewed-by: David Benjamin <davidben@google.com>
In OpenSSL, socket BIOs only used recv/send on Windows and read/write on POSIX.
Align our socket BIOs with that behavior. This should be a no-op, but avoids
frustrating consumers overly sensitive to the syscalls used now that SSL_set_fd
has switched to socket BIOs to align with OpenSSL. b/28138582.
Change-Id: Id4870ef8e668e587d6ef51c5b5f21e03af66a288
Reviewed-on: https://boringssl-review.googlesource.com/7686
Reviewed-by: Adam Langley <agl@google.com>
This currently doesn't prefix assembly symbols since they don't pull in
openssl/base.h
BUG=5
Change-Id: Ie0fdc79ae73099f84ecbf3f17604a1e615569b3b
Reviewed-on: https://boringssl-review.googlesource.com/7681
Reviewed-by: David Benjamin <davidben@google.com>
Both the header-level and section-level documentation define curve25519 which
is a little odd.
Change-Id: I81aa2b74e8028d3cfd5635e1d3cfda402ba1ae38
Reviewed-on: https://boringssl-review.googlesource.com/7680
Reviewed-by: Adam Langley <agl@google.com>
This is needed by trousers. As with the PSS function, the version that
assumes SHA-1 is put into decrepit.
Change-Id: I153e8ea0150e48061b978384b600a7b990d21d03
Reviewed-on: https://boringssl-review.googlesource.com/7670
Reviewed-by: David Benjamin <davidben@google.com>
There was only one function that required BoringSSL to know how to read
directories. Unfortunately, it does have some callers and it's not immediately
obvious whether the code is unreachable. Rather than worry about that, just
toss it all into decrepit.
In doing so, do away with the Windows and PNaCl codepaths. Only implement
OPENSSL_DIR_CTX on Linux.
Change-Id: I3eb55b098e3aa042b422bb7da115c0812685553e
This slipped through, but all the callers are now using
EVP_aead_chacha20_poly1305, so we can remove this version.
Change-Id: I76eb3a4481aae4d18487ca96ebe3776e60d6abe8
Reviewed-on: https://boringssl-review.googlesource.com/7650
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Instead, embed the (very short) encoding of the OID into built_in_curve.
BUG=chromium:499653
Change-Id: I0db36f83c71fbd3321831f54fa5022f8304b30cd
Reviewed-on: https://boringssl-review.googlesource.com/7564
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
A lot of consumers of obj.h only want the NID values. Others didn't need
it at all. This also removes some OBJ_nid2sn and OBJ_nid2ln calls in EVP
error paths which isn't worth pulling a large table in for.
BUG=chromium:499653
Change-Id: Id6dff578f993012e35b740a13b8e4f9c2edc0744
Reviewed-on: https://boringssl-review.googlesource.com/7563
Reviewed-by: David Benjamin <davidben@google.com>
obj_mac.h is missing #include guards, so one cannot use NIDs without
pulling in the OBJ_* functions which depend on the giant OID table. Give
it #include guards, tidy up the style slightly, and also rename it to
nid.h which is a much more reasonable name.
obj_mac.h is kept as a forwarding header as, despite it being a little
screwy, some code #includes it anyway.
BUG=chromium:499653
Change-Id: Iec0b3f186c02e208ff1f7437bf27ee3a5ad004b7
Reviewed-on: https://boringssl-review.googlesource.com/7562
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This was fixed in 93a5b44296, but it wasn't
documented. Now that there are no pre-init functions to call like
CRYPTO_set_neon_capable, one instance of BoringSSL may be safely shared between
multiple consumers. As part of that, multiple consumers need to be able to call
CRYPTO_library_init possibly redundantlyand possibly on different threads
without synchronization.
(Though there is still that static initializer nuisance. It would be nice to
replace this with internal CRYPTO_once_t's and then CRYPTO_library_init need
only be called to prime armcap for a sandbox. But one thing at a time.)
Change-Id: I48430182d3649c8cf19082e34da24dee48e6119e
Reviewed-on: https://boringssl-review.googlesource.com/7571
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
They may be spelled with or without underscores. Alas, a lot of C code (adb,
cURL) seems to find it a popular pasttime to #define printf *before* including
external headers. This is completely nonsense and invalid, but working around
it is easy and is what we (and OpenSSL) were doing before
061332f216.
I'll be sending a patch to cURL tomorrow to make them at least do their macro
trickery after external #includes for sanity. adb's sysdeps.h is a lot longer
and consistently #included first so I'll probably leave that be for lack of
time.
Change-Id: I03a0a253f2c902eb45f45faace1e5c5df4335ebf
Reviewed-on: https://boringssl-review.googlesource.com/7605
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This reverts commit 6f0c4db90e except for the
imported assembly files, which are left as-is but unused. Until upstream fixes
https://rt.openssl.org/Ticket/Display.html?id=4483, we shouldn't ship this
code. Once that bug has been fixed, we'll restore it.
Change-Id: I74aea18ce31a4b79657d04f8589c18d6b17f1578
Reviewed-on: https://boringssl-review.googlesource.com/7602
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
The documentation in |RSA_METHOD| says that the |ctx| parameter to
|mod_exp| can be NULL, however the default implementation doesn't
handle that case. That wouldn't matter since internally it is always
called with a non-NULL |ctx| and it is static, but an external
application could get a pointer to |mod_exp| by extracting it from
the default |RSA_METHOD|. That's unlikely, but making that impossible
reduces the chances that future refactorings will cause unexpected
trouble.
Change-Id: Ie0e35e9f107551a16b49c1eb91d0d3386604e594
Reviewed-on: https://boringssl-review.googlesource.com/7580
Reviewed-by: David Benjamin <davidben@google.com>
The removes the last of OpenSSL's variables that count occurrences of a
function on the stack.
Change-Id: I1722c6d47bedb47b1613c4a5da01375b5c4cc220
Reviewed-on: https://boringssl-review.googlesource.com/7450
Reviewed-by: David Benjamin <davidben@google.com>
fatal_alert isn't read at all right now, and warn_alert is only checked
for close_notify. We only need three states:
- Not shutdown.
- Got a fatal alert (don't care which).
- Got a warning close_notify.
Leave ssl->shutdown alone for now as it's tied up with SSL_set_shutdown
and friends. To distinguish the remaining two, we only need a boolean.
Change-Id: I5877723af82b76965c75cefd67ec1f981242281b
Reviewed-on: https://boringssl-review.googlesource.com/7434
Reviewed-by: David Benjamin <davidben@google.com>
This removes the thread-unsafe SIGILL-based detection and the
multi-consumer-hostile CRYPTO_set_NEON_capable API. (Changing
OPENSSL_armcap_P after initialization is likely to cause problems.)
The right way to detect ARM features on Linux is getauxval. On aarch64,
we should be able to rely on this, so use it straight. Split this out
into its own file. The #ifdefs in the old cpu-arm.c meant it shared all
but no code with its arm counterpart anyway.
Unfortunately, various versions of Android have different missing APIs, so, on
arm, we need a series of workarounds. Previously, we used a SIGILL fallback
based on OpenSSL's logic, but this is inherently not thread-safe. (SIGILL also
does not tell us if the OS knows how to save and restore NEON state.) Instead,
base the behavior on Android NDK's cpu-features library, what Chromium
currently uses with CRYPTO_set_NEON_capable:
- Android before API level 20 does not provide getauxval. Where missing,
we can read from /proc/self/auxv.
- On some versions of Android, /proc/self/auxv is also not readable, so
use /proc/cpuinfo's Features line.
- Linux only advertises optional features in /proc/cpuinfo. ARMv8 makes NEON
mandatory, so /proc/cpuinfo can't be used without additional effort.
Finally, we must blacklist a particular chip because the NEON unit is broken
(https://crbug.com/341598).
Unfortunately, this means CRYPTO_library_init now depends on /proc being
available, which will require some care with Chromium's sandbox. The
simplest solution is to just call CRYPTO_library_init before entering
the sandbox.
It's worth noting that Chromium's current EnsureOpenSSLInit function already
depends on /proc/cpuinfo to detect the broken CPU, by way of base::CPU.
android_getCpuFeatures also interally depends on it. We were already relying on
both of those being stateful and primed prior to entering the sandbox.
BUG=chromium:589200
Change-Id: Ic5d1c341aab5a614eb129d8aa5ada2809edd6af8
Reviewed-on: https://boringssl-review.googlesource.com/7506
Reviewed-by: David Benjamin <davidben@google.com>
Simplify the code by always caching Montgomery contexts in the RSA
structure, regardless of the |RSA_FLAG_CACHE_PUBLIC| and
|RSA_FLAG_CACHE_PRIVATE| flags. Deprecate those flags.
Now that we do this no more than once per key per RSA exponent, the
private key exponents better because the initialization of the
Montgomery contexts isn't perfectly side-channel protected.
Change-Id: I4fbcfec0f2f628930bfeb811285b0ae3d103ac5e
Reviewed-on: https://boringssl-review.googlesource.com/7521
Reviewed-by: David Benjamin <davidben@google.com>
Partially fixes build with -Wmissing-prototypes.
Change-Id: If04d8fe7cbf068883485e95bd5ea6cdab6743e46
Signed-off-by: Piotr Sikora <piotrsikora@google.com>
Reviewed-on: https://boringssl-review.googlesource.com/7513
Reviewed-by: David Benjamin <davidben@google.com>
For time_t and struct tm.
BUG=595118
Change-Id: I6c7f05998887ed2bd3fb56c83ac543894ef27fe6
Reviewed-on: https://boringssl-review.googlesource.com/7462
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
Having a different API for this case than upstream is more trouble than is
worth it. This is sad since the new API avoids incomplete EC_GROUPs at least,
but I don't believe supporting this pair of functions will be significantly
more complex than supporting EC_GROUP_new_arbitrary even when we have static
EC_GROUPs.
For now, keep both sets of APIs around, but we'll be able to remove the scar
tissue once Conscrypt's complex dependencies are resolved.
Make the restored EC_GROUP_set_generator somewhat simpler than before by
removing the ability to call it multiple times and with some parameters set to
NULL. Keep the test.
Change-Id: I64e3f6a742678411904cb15c0ad15d56cdae4a73
Reviewed-on: https://boringssl-review.googlesource.com/7432
Reviewed-by: David Benjamin <davidben@google.com>
I messed up a few of these.
ASN1_R_UNSUPPORTED_ALGORITHM doesn't exist. X509_R_UNSUPPORTED_ALGORITHM does
exist as part of X509_PUBKEY_set, but the SPKI parser doesn't emit this. (I
don't mind the legacy code having really weird errors, but since EVP is now
limited to things we like, let's try to keep that clean.) To avoid churn in
Conscrypt, we'll keep defining X509_R_UNSUPPORTED_ALGORITHM, but not actually
do anything with it anymore. Conscrypt was already aware of
EVP_R_UNSUPPORTED_ALGORITHM, so this should be fine. (I don't expect
EVP_R_UNSUPPORTED_ALGORITHM to go away. The SPKI parsers we like live in EVP
now.)
A few other ASN1_R_* values didn't quite match upstream, so make those match
again. Finally, I got some of the rsa_pss.c values wrong. Each of those
corresponds to an (overly specific) RSA_R_* value in upstream. However, those
were gone in BoringSSL since even the initial commit. We placed the RSA <-> EVP
glue in crypto/evp (so crypto/rsa wouldn't depend on crypto/evp) while upstream
placed them in crypto/rsa.
Since no one seemed to notice the loss of RSA_R_INVALID_SALT_LENGTH, let's undo
all the cross-module errors inserted in crypto/rsa. Instead, since that kind of
specificity is not useful, funnel it all into X509_R_INVALID_PSS_PARAMETERS
(formerly EVP_R_INVALID_PSS_PARAMETERS, formerly RSA_R_INVALID_PSS_PARAMETERS).
Reset the error codes for all affected modules.
(That our error code story means error codes are not stable across this kind of
refactoring is kind of a problem. Hopefully this will be the last of it.)
Change-Id: Ibfb3a0ac340bfc777bc7de6980ef3ddf0a8c84bc
Reviewed-on: https://boringssl-review.googlesource.com/7458
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
People seem to condition on these a lot. Since this code has now been moved
twice, just make them all cross-module errors rather than leave a trail of
renamed error codes in our wake.
Change-Id: Iea18ab3d320f03cf29a64a27acca119768c4115c
Reviewed-on: https://boringssl-review.googlesource.com/7431
Reviewed-by: Emily Stark (Dunn) <estark@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
This makes building OpenLDAP easier.
Change-Id: Ic1c5bcb2ec35c61c048e780ebc56db033d8382d8
Reviewed-on: https://boringssl-review.googlesource.com/7406
Reviewed-by: David Benjamin <davidben@google.com>
libdecrepit wants some symbols visible. Also a build file typo.
Change-Id: I670d2324ab9048f84e7f80afdefc98cbab80335d
Reviewed-on: https://boringssl-review.googlesource.com/7411
Reviewed-by: Adam Langley <agl@google.com>
