A follow-up change will add a CRYPTO_BUFFER variant. This makes the
naming match the header and doesn't require including x509.h. (Though
like ssl.h and pkcs8.h, some of the functions are implemented with code
that depends on crypto/x509.)
Change-Id: I5a7de209f4f775fe0027893f711326d89699ca1f
Reviewed-on: https://boringssl-review.googlesource.com/15128
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
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BUG=76
Change-Id: I8b754ba17b3e0beee425929e4b53785b2e95f0ae
Reviewed-on: https://boringssl-review.googlesource.com/15164
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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This also fixes TestGetUint to actually test CBS_get_last_u8's behavior.
Right now it can't distinguish CBS_get_last_u8 and CBS_get_u8.
BUG=129
Change-Id: Ie431bb1a828f1c6877938ba7e75c82305b54cf13
Reviewed-on: https://boringssl-review.googlesource.com/15007
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Commit-Queue: David Benjamin <davidben@google.com>
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When writing tests and BoGo isn't available, it is useful to be able to
configure the set of signature algorithms accepted on the verify side.
Add an API for this.
Change-Id: Ic873189da7f8853e412acd68614df9d9a872a0c8
Reviewed-on: https://boringssl-review.googlesource.com/15125
Reviewed-by: Steven Valdez <svaldez@google.com>
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This isn't actually used yet, but implements CTR-DRBG from SP 800-90Ar1.
Specifically, it always uses AES-256 and no derivation function.
Change-Id: Ie82b829590226addd7c165eac410a5d584858bfd
Reviewed-on: https://boringssl-review.googlesource.com/14891
Reviewed-by: Adam Langley <agl@google.com>
Since only the consumers knows whether an EC key will be used for
ECDSA or ECDHE, it is part of the FIPS policy for the consumer to
check the validity of the generated key before signing with it.
Change-Id: Ie250f655c8fcb6a59cc7210def1e87eb958e9349
Reviewed-on: https://boringssl-review.googlesource.com/14745
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
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FIPS is not compatible with multiprime RSA. Any multiprime RSA private
keys will fail to parse after this change.
Change-Id: I8d969d668bf0be4f66c66a30e56f0e7f6795f3e9
Reviewed-on: https://boringssl-review.googlesource.com/14984
Reviewed-by: Adam Langley <agl@google.com>
In some cases, consumers may include a BoringSSL header without setting
up include paths. This risks pulling in system OpenSSL headers instead.
For almost every BoringSSL header, the first #include is base.h, which
does not exist upstream, thus the mistake will be caught.
The exception is base.h itself which naturally does not include itself.
Have it include an empty is_boringssl.h header to catch this mistake.
Change-Id: Ia96586ecc627ff46867d8af8b68138185866f074
Reviewed-on: https://boringssl-review.googlesource.com/14949
Reviewed-by: Adam Langley <agl@google.com>
This follows up on cedc6f18 by removing support for the
-DBORINGSSL_ENABLE_DHE_TLS compile flag, and the code needed to
support it.
Change-Id: I53b6aa7a0eddd23ace8b770edb2a31b18ba2ce26
Reviewed-on: https://boringssl-review.googlesource.com/14886
Reviewed-by: David Benjamin <davidben@google.com>
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Change-Id: I9f7f1dd609c38d1f4be536daff94a4ba002582d0
Reviewed-on: https://boringssl-review.googlesource.com/14888
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Later CLs will unwind the rest of multiprime RSA support. Start with key
generation.
Change-Id: Id20473fd55cf32c27ea4a57f2d2ea11daaffedeb
Reviewed-on: https://boringssl-review.googlesource.com/14870
Reviewed-by: Adam Langley <agl@google.com>
As a precursor to removing the code entirely later, disable the protocol
by default. Callers must use SSL_CTX_set_min_version to enable it.
This change also makes SSLv3_method *not* enable SSL 3.0. Normally
version-specific methods set the minimum and maximum version to their
version. SSLv3_method leaves the minimum at the default, so we will
treat it as all versions disabled. To help debugging, the error code is
switched from WRONG_SSL_VERSION to a new NO_SUPPORTED_VERSIONS_ENABLED.
This also defines OPENSSL_NO_SSL3 and OPENSSL_NO_SSL3_METHOD to kick in
any no-ssl3 build paths in consumers which should provide a convenient
hook for any upstreaming changes that may be needed. (OPENSSL_NO_SSL3
existed in older versions of OpenSSL, so in principle one may encounter
an OpenSSL with the same settings.)
Change-Id: I96a8f2f568eb77b2537b3a774b2f7108bd67dd0c
Reviewed-on: https://boringssl-review.googlesource.com/14031
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This only works at TLS 1.2 and above as, before TLS 1.2, there is no way
to advertise support for Ed25519 or negotiate the correct signature
algorithm. Add tests for this accordingly.
For now, this is disabled by default on the verifying side but may be
enabled per SSL_CTX. Notably, projects like Chromium which use an
external verifier may need changes elsewhere before they can enable it.
(On the signing side, we can assume that if the caller gave us an
Ed25519 certificate, they mean for us to use it.)
BUG=187
Change-Id: Id25b0a677dcbe205ddd26d8dbba11c04bb520756
Reviewed-on: https://boringssl-review.googlesource.com/14450
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
BUG=187
Change-Id: I5775ce0886041b0c12174a7d665f3af1e8bce511
Reviewed-on: https://boringssl-review.googlesource.com/14505
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
It's amazing how short p_ed25519.c is.
BUG=187
Change-Id: Ib2a5fa7a4acf2087ece954506f81e91a1ed483e1
Reviewed-on: https://boringssl-review.googlesource.com/14449
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
The resulting EVP_PKEYs do not do anything useful yet, but we are able
to parse them. Teaching them to sign will be done in a follow-up.
Creating these from in-memory keys is also slightly different from other
types. We don't have or need a public ED25519_KEY struct in
curve25519.h, so I've added tighter constructor functions which should
hopefully be easier to use anyway.
BUG=187
Change-Id: I0bbeea37350d4fdca05b6c6c0f152c15e6ade5bb
Reviewed-on: https://boringssl-review.googlesource.com/14446
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Instead, extract it from the certificate, which is what everyone was
doing anyway. A follow-up change will take advantage of this cleanup to
deduplicate code between signing and verifying for which keys are good
for which signature algorithms.
BUG=188
Change-Id: Ic3f83a6477e8fa53e5e7233f4545f4d2c4b58d01
Reviewed-on: https://boringssl-review.googlesource.com/14565
Reviewed-by: Adam Langley <agl@google.com>
Right now this is just a wrapper over EVP_Digest and EVP_PKEY_sign. A
later change will introduce a sign_message hook to EVP_PKEY_METHOD which
Ed25519 and other single-shot-only algorithms can implement.
(EVP_PKEY_sign does not quite work for this purpose as all the other key
types believe EVP_PKEY_sign acts on a pre-hashed input.)
BUG=187
Change-Id: Ia4bbf61b25cc4a0d64bcb4364805fe9b5a6e829c
Reviewed-on: https://boringssl-review.googlesource.com/14447
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
We received an external request to add an option to undo the check added
in 3e51757de2.
Change-Id: Ifdd4b07705f2fa3d781d775d5cd139ea72d36734
Reviewed-on: https://boringssl-review.googlesource.com/14644
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(Thanks to Sam Panzer for the patch.)
At least some linkers will drop constructor functions if no symbols from
that translation unit are used elsewhere in the program. On POWER, since
the cached capability value isn't a global in crypto.o (like other
platforms), the constructor function is getting discarded.
The C++11 spec says (3.6.2, paragraph 4):
It is implementation-defined whether the dynamic initialization of a
non-local variable with static storage duration is done before the
first statement of main. If the initialization is deferred to some
point in time after the first statement of main, it shall occur
before the first odr-use (3.2) of any function or variable defined
in the same translation unit as the variable to be initialized.
Compilers appear to interpret that to mean they are allowed to drop
(i.e. indefinitely defer) constructors that occur in translation units
that are never used, so they can avoid initializing some part of a
library if it's dropped on the floor.
This change makes the hardware capability value for POWER a global in
crypto.c, which should prevent the constructor function from being
ignored.
Change-Id: I43ebe492d0ac1491f6f6c2097971a277f923dd3e
Reviewed-on: https://boringssl-review.googlesource.com/14664
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This moves the early data switch to CERT to make this
|SSL_set_SSL_CTX|-proof.
Change-Id: Icca96e76636d87578deb24b2d507cabee7e46a4a
Reviewed-on: https://boringssl-review.googlesource.com/14545
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There are a few test vectors which were not imported from djb's. Mirror
those. Also as RFC 8032 uses a slightly different private key
representation, document this in curve25519.h.
BUG=187
Change-Id: I119381168ba1af9b332365fd8f974fba41759d57
Reviewed-on: https://boringssl-review.googlesource.com/14445
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This is a remnant of a previous iteration of the SSL client certificate
bridging logic in Chromium.
Change-Id: Ifa8e15cc970395f179e2f6db65c97a342af5498d
Reviewed-on: https://boringssl-review.googlesource.com/14444
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Previously we only needed to be able to serve P-224 certificates, but
now we anticipate a need to be able to connect and validate them also.
Since this requires advertising support for P-224 in the handshake, we
need to support P-224 ECDHE too.
P-224 support is disabled by default and so clients need to both set the
enabled curves explicitly and set a maximum version of TLS 1.2.
Change-Id: Idc69580f47334e0912eb431a0db0e78ee2eb5bbe
Reviewed-on: https://boringssl-review.googlesource.com/14225
Reviewed-by: Adam Langley <alangley@gmail.com>
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BUG=76
Change-Id: I68bc1dce13af9155b385a7b589480aacf02ec0db
Reviewed-on: https://boringssl-review.googlesource.com/14380
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Steven Valdez <svaldez@chromium.org>
Reviewed-by: Steven Valdez <svaldez@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
Channel ID is incompatible with 0-RTT, so we gracefully decline 0-RTT
as a server and forbid their combination as a client. We'll keep this
logic around until Channel ID is removed.
Channel ID will be replaced by tokbind which currently uses custom
extensions. Those will need additional logic to work with 0-RTT.
This is not implemented yet so, for now, fail if both are ever
configured together at all. A later change will allow the two to
combine.
BUG=183
Change-Id: I46c5ba883ccd47930349691fb08074a1fab13d5f
Reviewed-on: https://boringssl-review.googlesource.com/14370
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These will be used by Chromium's crypto::ECPrivateKey to work with
EncryptedPrivateKeyInfo structures.
Note this comes with a behavior change: PKCS8_encrypt and PKCS8_decrypt
will no longer preserve PKCS#8 PrivateKeyInfo attributes. However, those
functions are only called by Chromium which does not care. They are also
called by the PEM code, but not in a way which exposes attributes.
The PKCS#12 PFX code is made to use PKCS8_parse_encrypted_private_key
because it's cleaner (no more tossing X509_SIG around) and to ease
decoupling that in the future.
crypto/pkcs8's dependency on the legacy ASN.1 stack is now limited to
pkcs8_x509.c.
BUG=54
Change-Id: I173e605d175e982c6b0250dd22187b73aca15b1a
Reviewed-on: https://boringssl-review.googlesource.com/14215
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Commit-Queue: David Benjamin <davidben@google.com>
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The padding check functions will need to tweak their calling conventions
and the constant-time helpers, so leaving those alone for now. These
were the easy ones.
BUG=22
Change-Id: Ia00e41e26a134de17d56be3def5820cb042794e1
Reviewed-on: https://boringssl-review.googlesource.com/14265
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This isn't strictly necessary for Chromium yet, but we already have a
decoupled version of hash algorithm parsing available. For now, don't
export it but eventually we may wish to use it for OCSP.
BUG=54
Change-Id: If460d38d48bd47a2b4a853779f210c0cf7ee236b
Reviewed-on: https://boringssl-review.googlesource.com/14211
Reviewed-by: Steven Valdez <svaldez@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Steven Valdez <svaldez@chromium.org>
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This adds support on the server and client to accept data-less early
data. The server will still fail to parse early data with any
contents, so this should remain disabled.
BUG=76
Change-Id: Id85d192d8e0360b8de4b6971511b5e8a0e8012f7
Reviewed-on: https://boringssl-review.googlesource.com/12921
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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The |select_certificate_cb| return values are somewhat confusing due
to the fact that they don't match the |cert_cb| ones, despite the
similarities between the two callbacks (they both have "certificate" in
the name! well, sort of).
This also documents the error return value (-1) which was previously
undocumented, and it expands the |SSL_CTX_set_select_certificate_cb|
documentation regarding retrial (by shamelessly copying from
|SSL_CTX_set_ticket_aead_method|).
Also updates other scattered documentation that was missed by previous
changes.
Change-Id: Ib962b31d08e6475e09954cbc3c939988b0ba13f7
Reviewed-on: https://boringssl-review.googlesource.com/14245
Reviewed-by: David Benjamin <davidben@google.com>
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conf has the ability to expand variables in config files. Repeatedly doing
this can lead to an exponential increase in the amount of memory required.
This places a limit on the length of a value that can result from an
expansion.
Credit to OSS-Fuzz for finding this problem.
(Imported from upstream's 6a6213556a80ab0a9eb926a1d6023b8bf44f2afd. This
also import's upstream's ee1ccd0a41ad068957fe65ba7521e593b51bbad4 which
we had previously missed.)
Change-Id: I9be06a7e8a062b5adcd00c974a7b245226123563
Reviewed-on: https://boringssl-review.googlesource.com/14316
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These too appear to be unused now that the core parsers use CBS. They
also were buggy as they silently ignored sign bits. This removes all
ASN1_PRIMITIVE_FUNCS definitions. (The code to use them still exists as
we're not ready to diverge on tasn_*. Current thinking is we'll
eventually just ditch the code rather than do so.)
Change-Id: I8d20e2989460dd593d62368cfbd083d5de1ee2a1
Reviewed-on: https://boringssl-review.googlesource.com/14324
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These have no consumers remaining. Upstream recently had a long series
of bugfixes for these types (2cbd4d98673d99cd7cb10715656b6d3727342e77,
e5afec1831248c767be7c5844a88535dabecc01a,
9abe889702bdc73f9490f611f54bf9c865702554,
2e5adeb2904dd68780fb154dbeb6e3efafb418bb). Rather than worry about this,
just remove the code.
Change-Id: I90f896aad096fc4979877e2006131e76c9ff023b
Reviewed-on: https://boringssl-review.googlesource.com/14323
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Change-Id: I6d07a8e146a925a14dbf5d11b4e8a57ef6eee39c
Reviewed-on: https://boringssl-review.googlesource.com/14244
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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This was inadvertently dropped in
59015c365b. Python otherwise configures
P-256 if it assumes our OpenSSL predate's 1.0.2's multi-curve support.
This disables X25519, our preferred curve.
Change-Id: Ibf758583ea53e68c56667f16ee7096656bac719b
Reviewed-on: https://boringssl-review.googlesource.com/14208
Commit-Queue: David Benjamin <davidben@google.com>
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This change adds support for setting an |SSL_TICKET_AEAD_METHOD| which
allows a caller to control ticket encryption and decryption to a greater
extent than previously possible and also permits asynchronous ticket
decryption.
This change only includes partial support: TLS 1.3 work remains to be
done.
Change-Id: Ia2e10ebb3257e1a119630c463b6bf389cf20ef18
Reviewed-on: https://boringssl-review.googlesource.com/14144
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This makes its purpose clearer. That the session cache is based on the
initial SSL_CTX is confusing (it's a remnant of OpenSSL's backwards
session resumption ordering), but we're probably stuck with it.
Relatedly, document SSL_set_SSL_CTX better.
Change-Id: I2832efc63f6c959c5424271b365825afc7eec5e4
Reviewed-on: https://boringssl-review.googlesource.com/14204
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
It's more consistent to have the helper function do the check that
its every caller already performs. This removes the error code
SSL_R_LIBRARY_HAS_NO_CIPHERS in favor of SSL_R_NO_CIPHER_MATCH.
Change-Id: I522239770dcb881d33d54616af386142ae41b29f
Reviewed-on: https://boringssl-review.googlesource.com/13964
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This allows a caller to configure a serving chain without dealing with
crypto/x509.
Change-Id: Ib42bb2ab9227d32071cf13ab07f92d029643a9a6
Reviewed-on: https://boringssl-review.googlesource.com/14126
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We'll measure this value to guide what tolerance to use in the 0-RTT
anti-replay mechanism. This also fixes a bug where we were previously
minting ticket_age_add-less tickets on the server. Add a check to reject
all those tickets.
BUG=113
Change-Id: I68e690c0794234234e0d0500b4b9a7f79aea641e
Reviewed-on: https://boringssl-review.googlesource.com/14068
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Previously, the |CRYPTO_BUFFER|-based methods always rejected
certificate chains because none of the current callbacks is suitable to
use. In the medium-term, we want an async callback for this but, for
now, we would like to get Chromium working. Chromium already installs a
no-op callback (except for the logic that was moved into BoringSSL in
a58baaf9e6) and so this hack will suffice
for Chromium.
Change-Id: Ie44b7b32b9e42f503c47b072e958507754136d72
Reviewed-on: https://boringssl-review.googlesource.com/14125
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This is an API from OpenSSL 1.1.0 which is a little risky to add ahead
of bumping OPENSSL_VERSION_NUMBER, but anything which currently builds
against BoringSSL already had an #ifdef due to the
ssl_cipher_preference_list_st business anyway.
Bump BORINGSSL_API_VERSION to make it easier to patch envoy for this.
BUG=6
Change-Id: If8307e30eb069bbd7dc4b8447b6e48e83899d584
Reviewed-on: https://boringssl-review.googlesource.com/14067
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Everything has been updated to return the ECDSA curve.
Change-Id: Iee8fafb576c0ff92d9a47304d59cc607b5faa112
Reviewed-on: https://boringssl-review.googlesource.com/14066
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Reviewed-by: Steven Valdez <svaldez@google.com>
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This adds a CRYPTO_BUFFER getter for the peer certificate chain. Other
things we need for Chromium:
- Verification callback. Ultimately, we want an asynchronous one, but a
synchronous one will do for now.
- Configure client cert chain without X509
I've also removed the historical note about SSL_SESSION serialization.
That was years ago and we've since invalidated all serialized client
sessions.
BUG=671420
Change-Id: I2b3bb010f9182e751fc791cdfd7db44a4ec348e6
Reviewed-on: https://boringssl-review.googlesource.com/14065
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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Due to middlebox and ecosystem intolerance, short record headers are going to
be unsustainable to deploy.
BUG=119
Change-Id: I20fee79dd85bff229eafc6aeb72e4f33cac96d82
Reviewed-on: https://boringssl-review.googlesource.com/14044
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This function is a |CRYPTO_BUFFER|-based method for getting the X.509
names from a CertificateRequest.
Change-Id: Ife26f726d3c1a055b332656678c2bc560b5a66ec
Reviewed-on: https://boringssl-review.googlesource.com/14013
Commit-Queue: Adam Langley <agl@google.com>
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This allows us to move the code from Chrome into BoringSSL itself.
BUG=126
Change-Id: I04b4f63008a6de0a58dd6c685c78e9edd06deda6
Reviewed-on: https://boringssl-review.googlesource.com/14028
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This is the first part to fixing the SSL stack to be 2038-clean.
Internal structures and functions are switched to use OPENSSL_timeval
which, unlike timeval and long, are suitable for timestamps on all
platforms.
It is generally accepted that the year is now sometime after 1970, so
use uint64_t for the timestamps to avoid worrying about serializing
negative numbers in SSL_SESSION.
A follow-up change will fix SSL_CTX_set_current_time_cb to use
OPENSSL_timeval. This will require some coordinating with WebRTC.
DTLSv1_get_timeout is left alone for compatibility and because it stores
time remaining rather than an absolute time.
BUG=155
Change-Id: I1a5054813300874b6f29e348f9cd8ca80f6b9729
Reviewed-on: https://boringssl-review.googlesource.com/13944
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The DTLS stack has two very different APIs for handling timeouts. In
non-blocking mode, timeouts are driven externally by the caller with
DTLSv1_get_timeout. In blocking mode, timeouts are driven by the BIO by
calling a BIO_ctrl with BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT.
The latter is never used by consumers, so remove support for it.
BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT implicitly depends on struct timeval
being used for timestamps, which we would like to remove. Without this,
the only public API which relies on this is the testing-only
SSL_CTX_set_current_time_cb which is BoringSSL-only and we can change at
our leisure.
BUG=155
Change-Id: Ic68fa70afab2fa9e6286b84d010eac8ddc9d2ef4
Reviewed-on: https://boringssl-review.googlesource.com/13945
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This allows a caller to get an |SSL_METHOD| that is free of crypto/x509.
Change-Id: I088e78310fd3ff5db453844784e7890659a633bf
Reviewed-on: https://boringssl-review.googlesource.com/14009
Reviewed-by: Adam Langley <agl@google.com>
This change converts the CA names that are parsed from a server's
CertificateRequest, as well as the CA names that are configured for
sending to clients in the same, to use |CRYPTO_BUFFER|.
The |X509_NAME|-based interfaces are turned into compatibility wrappers.
Change-Id: I95304ecc988ee39320499739a0866c7f8ff5ed98
Reviewed-on: https://boringssl-review.googlesource.com/13585
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It has no more callers.
Change-Id: I587ccb3b63810ed167febf7a65ba85106d17a300
Reviewed-on: https://boringssl-review.googlesource.com/13911
Reviewed-by: David Benjamin <davidben@google.com>
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Change-Id: Icb01cd3ff88eb3fa8a7d7a1e9ead568ba20eb748
Reviewed-on: https://boringssl-review.googlesource.com/13965
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Commit-Queue: David Benjamin <davidben@google.com>
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The new APIs are SSL_CTX_set_strict_cipher_list() and
SSL_set_strict_cipher_list(). They have two motivations:
First, typos in cipher lists can go undetected for a long time, and
can have surprising consequences when silently ignored.
Second, there is a tendency to use superstition in the construction of
cipher lists, for example by "turning off" things that do not actually
exist. This leads to the corrosive belief that DEFAULT and ALL ought
not to be trusted. This belief is false.
Change-Id: I42909b69186e0b4cf45457e5c0bc968f6bbf231a
Reviewed-on: https://boringssl-review.googlesource.com/13925
Commit-Queue: Matt Braithwaite <mab@google.com>
Reviewed-by: Matt Braithwaite <mab@google.com>
These are only used by crypto/asn1 and not externally.
Change-Id: I2e6a28828fd81a4e3421eed1e98f0a65197f4b88
Reviewed-on: https://boringssl-review.googlesource.com/13868
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Node has since been patched.
Change-Id: If25eecabfc83ef9fd36c531c9ca9db2911de010e
Reviewed-on: https://boringssl-review.googlesource.com/13908
Commit-Queue: David Benjamin <davidben@google.com>
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These were added in an attempt to deal with the empty vs. NULL confusion
in PKCS#12. Instead, PKCS8_encrypt and PKCS8_decrypt already treated
NULL special. Since we're stuck with supporting APIs like those anyway,
Chromium has been converted to use that feature. This cuts down on the
number of APIs we need to decouple from crypto/asn1.
BUG=54
Change-Id: Ie2d4798d326c5171ea5d731da0a2c11278bc0241
Reviewed-on: https://boringssl-review.googlesource.com/13885
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This reduces us from seven different configuration patterns to six (see
comment #2 of linked bug). I do not believe there is any behavior change
here as SSL_set_SSL_CTX already manually copied the field. It now gives
us a nice invariant: SSL_set_SSL_CTX overrides all and only the
dual-SSL/SSL_CTX options hanging off of CERT.
BUG=123
Change-Id: I1ae06b791fb869917a6503cee41afb2d9be53d89
Reviewed-on: https://boringssl-review.googlesource.com/13865
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I'm not sure why the SSL versions of these functions return int while
the SSL_CTX version returns void. It looks like this dates to
https://boringssl-review.googlesource.com/c/1491/, of which the initial
upload was an SSL_ctrl macro. I guess one of the ints got accidentally
preserved in conversion.
(No existing caller, aside from bssl_shim, checks the result.)
Change-Id: Id54309c1aa03462d520b9a45cdfdefdd2cdd1298
Reviewed-on: https://boringssl-review.googlesource.com/13866
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0-RTT requires matching the selected ALPN parameters against those in
the session. Stash the ALPN value in the session in TLS 1.3, so we can
recover it.
BUG=76
Change-Id: I8668b287651ae4deb0bf540c0885a02d189adee0
Reviewed-on: https://boringssl-review.googlesource.com/13845
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Recent changes added SSL-level setters to these APIs. Unfortunately,
this has the side effect of breaking SSL_set_SSL_CTX, which is how SNI
is typically handled. SSL_set_SSL_CTX is kind of a weird function in
that it's very sensitive to which of the hodge-podge of config styles is
in use. I previously listed out all the config styles here, but it was
long and unhelpful. (I counted up to 7.)
Of the various SSL_set_SSL_CTX-visible config styles, the sanest seems
to be to move it to CERT. In this case, it's actually quite reasonable
since they're very certificate-related.
Later we may wish to think about whether we can cut down all 7 kinds of
config styles because this is kinda nuts. I'm wondering we should do
CERT => SSL_CONFIG, move everything there, and make that be the same
structure that is dropped post-handshake (supposing the caller has
disavowed SSL_clear and renego). Fruit for later thought. (Note though
that comes with a behavior change for all the existing config.)
Change-Id: I9aa47d8bd37bf2847869e0b577739d4d579ee4ae
Reviewed-on: https://boringssl-review.googlesource.com/13864
Reviewed-by: Martin Kreichgauer <martinkr@google.com>
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All the business with rewinding hs->state back or skipping states based
on reuse_message or a skip parameter isn't really worth the trouble for
a debugging callback. With SSL_state no longer exposed, we don't have to
worry about breaking things.
BUG=177
Change-Id: I9a0421f01c8b2f24c80a6b3e44de9138ea023f58
Reviewed-on: https://boringssl-review.googlesource.com/13829
Reviewed-by: Steven Valdez <svaldez@google.com>
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I doubt this matters, but this seems a little odd. In particular, this
avoids info_callback seeing the SSL_ST_OK once we stop switching
hs->state back and forth.
BUG=177
Change-Id: Ied39c0e94c242af9d5d0f26795d6e0f2f0b12406
Reviewed-on: https://boringssl-review.googlesource.com/13827
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Code which manages to constrain itself on this will limit our ability to
rework the handshake. I believe, at this point, we only need to expose
one bit of information (there's some code that compares SSL_state to
SSL_ST_OK), if even that.
BUG=177
Change-Id: Ie1c43006737db0b974811f1819755c629ae68e7b
Reviewed-on: https://boringssl-review.googlesource.com/13826
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Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
|SSL_SESSION_from_bytes| now takes an |SSL_CTX*|, from which it uses the
|X509_METHOD| and buffer pool. This is our API so we can do this.
This also requires adding an |SSL_CTX*| argument to |SSL_SESSION_new|
for the same reason. However, |SSL_SESSION_new| already has very few
callers (and none in third-party code that I can see) so I think we can
get away with this.
Change-Id: I1337cd2bd8cff03d4b9405ea3146b3b59584aa72
Reviewed-on: https://boringssl-review.googlesource.com/13584
Reviewed-by: Adam Langley <alangley@gmail.com>
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Change-Id: I98903df561bbf8c5739f892d2ad5e89ac0eb8e6f
Reviewed-on: https://boringssl-review.googlesource.com/13369
Reviewed-by: Steven Valdez <svaldez@google.com>
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These are meant to make Android libcore's usage of BIGNUMs for java
BigIntegers faster and nicer (specifically, so that it doesn't need
to malloc a bunch of temporary BIGNUMs).
BUG=97
Change-Id: I5f30e14c6d8c66a9848d4935ce27d030829f6923
Reviewed-on: https://boringssl-review.googlesource.com/13387
Reviewed-by: David Benjamin <davidben@google.com>
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Change-Id: If97da565155292d5f0de5c6a8b0fd8508398768a
Reviewed-on: https://boringssl-review.googlesource.com/13564
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Right now the only way to set an SCT list is the per-context function
SSL_CTX_set_signed_cert_timestamp_list. However this assumes that all the
SSLs generated from a SSL_CTX share the same SCT list, which is wrong.
In order to avoid memory duplication in case SSL_CTX has its own list, a
CRYPTO_BUFFER is used for both SSL_CTX and SSL.
Change-Id: Id20e6f128c33cf3e5bff1be390645441be6518c6
Reviewed-on: https://boringssl-review.googlesource.com/13642
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As previously discussed, it turns out we don't actually need this, so
there's no point in keeping it.
Change-Id: If549c917b6bd818cd36948e37cb7839c8d122b1a
Reviewed-on: https://boringssl-review.googlesource.com/13641
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I believe these are now unused.
Change-Id: I438da3d56ca598260fe0f5698ccb6649bd97b859
Reviewed-on: https://boringssl-review.googlesource.com/13630
Reviewed-by: Steven Valdez <svaldez@google.com>
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Using the arg parameter does not work well. This is purely an
SSL_CTX-level callback, not an SSL-level one.
Change-Id: Ib968807efbe7dd08e71cea1c4d8034a52c729d45
Reviewed-on: https://boringssl-review.googlesource.com/13629
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This is purely to support curl, which now has HTTPS proxy support that,
sadly, uses the BIO SSL. Don't use the BIO SSL for anything else.
Change-Id: I9ef6c9773ec87a11e0b5a93968386ac4b351986d
Reviewed-on: https://boringssl-review.googlesource.com/13600
Commit-Queue: Adam Langley <agl@google.com>
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The version negotiation logic was a little bizarrely wedged in the
middle of the state machine. (We don't support server renegotiation, so
have_version is always false here.)
BUG=128
Change-Id: I9448dce374004b92e8bd5172c36a4e0eea51619c
Reviewed-on: https://boringssl-review.googlesource.com/13561
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
In TLS 1.2, resumption's benefits are more-or-less subsumed by False
Start. TLS 1.2 resumption lifetime is bounded by how much traffic we are
willing to encrypt without fresh key material, so the lifetime is short.
Renewal uses the same key, so we do not allow it to increase lifetimes.
In TLS 1.3, resumption unlocks 0-RTT. We do not implement psk_ke, so
resumption incorporates fresh key material into both encrypted traffic
(except for early data) and renewed tickets. Thus we are both more
willing to and more interested in longer lifetimes for tickets. Renewal
is also not useless. Thus in TLS 1.3, lifetime is bound separately by
the lifetime of a given secret as a psk_dhe_ke authenticator and the
lifetime of the online signature which authenticated the initial
handshake.
This change maintains two lifetimes on an SSL_SESSION: timeout which is
the renewable lifetime of this ticket, and auth_timeout which is the
non-renewable cliff. It also separates the TLS 1.2 and TLS 1.3 timeouts.
The old session timeout defaults and configuration apply to TLS 1.3, and
we define new ones for TLS 1.3.
Finally, this makes us honor the NewSessionTicket timeout in TLS 1.3.
It's no longer a "hint" in 1.3 and there's probably value in avoiding
known-useless 0-RTT offers.
BUG=120
Change-Id: Iac46d56e5a6a377d8b88b8fa31f492d534cb1b85
Reviewed-on: https://boringssl-review.googlesource.com/13503
Reviewed-by: Adam Langley <agl@google.com>
This special-case is almost unexposed (the timeout is initialized to the
default) except if the caller calls SSL_CTX_set_timeout(0). Preserve
that behavior by mapping 0 to SSL_DEFAULT_SESSION_TIMEOUT in
SSL_CTX_set_timeout but simplify the internal state.
Change-Id: Ice03a519c25284b925f1e0cf485f2d8c54dc5038
Reviewed-on: https://boringssl-review.googlesource.com/13502
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
These are completely unused, but for BIO_set_write_buffer_size which is
in some (unreachable) nginx codepath. Keep that around so nginx
continues to build, but otherwise delete it.
Change-Id: I1a50a4f7b23e5fdbc7f132900ecacd74e8775a7f
Reviewed-on: https://boringssl-review.googlesource.com/13362
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Change-Id: I324743e7d1864fbbb9653209ff93e4da872c8d31
Reviewed-on: https://boringssl-review.googlesource.com/13340
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The TLS 1.2 state machine now looks actually much closer to the TLS 1.3
one on the write side. Although the write states still have a BIO-style
return, they don't actually send anything anymore. Only the BIO flush
state does. Reads are still integrated into the states themselves
though, so I haven't made it match TLS 1.3 yet.
BUG=72
Change-Id: I7708162efca13cd335723efa5080718a5f2808ab
Reviewed-on: https://boringssl-review.googlesource.com/13228
Reviewed-by: Adam Langley <agl@google.com>
On the TLS side, we introduce a running buffer of ciphertext. Queuing up
pending data consists of encrypting the record into the buffer. This
effectively reimplements what the buffer BIO was doing previously, but
this resizes to fit the whole flight.
As part of this, rename all the functions to add to the pending flight
to be more uniform. This CL proposes "add_foo" to add to the pending
flight and "flush_flight" to drain it.
We add an add_alert hook for alerts but, for now, only the SSL 3.0
warning alert (sent mid-handshake) uses this mechanism. Later work will
push this down to the rest of the write path so closure alerts use it
too, as in DTLS. The intended end state is that all the ssl_buffer.c and
wpend_ret logic will only be used for application data and eventually
optionally replaced by the in-place API, while all "incidental" data
will be handled internally.
For now, the two buffers are mutually exclusive. Moving closure alerts
to "incidentals" will change this, but flushing application data early
is tricky due to wpend_ret. (If we call ssl_write_buffer_flush,
do_ssl3_write doesn't realize it still has a wpend_ret to replay.) That
too is all left alone in this change.
To keep the diff down, write_message is retained for now and will be
removed from the state machines in a follow-up change.
BUG=72
Change-Id: Ibce882f5f7196880648f25d5005322ca4055c71d
Reviewed-on: https://boringssl-review.googlesource.com/13224
Reviewed-by: Adam Langley <agl@google.com>
Instead, "writing" a message merely adds it to the outgoing_messages
structure. The code to write the flight then loops over it all and now
shares code with retransmission. The verbs here are all a little odd,
but they'll be fixed in later commits.
In doing so, this fixes a slight miscalculation of the record-layer
overhead when retransmitting a flight that spans two epochs. (We'd use
the encrypted epoch's overhead for the unencrypted epoch.)
BUG=72
Change-Id: I8ac897c955cc74799f8b5ca6923906e97d6dad17
Reviewed-on: https://boringssl-review.googlesource.com/13223
Reviewed-by: Adam Langley <agl@google.com>
These are no longer used anywhere.
Change-Id: Id79299f92c705f6bb7aed7acb48994d4498bd2d8
Reviewed-on: https://boringssl-review.googlesource.com/13341
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Change-Id: Ifc28887cbf91c7a80bdaf56e3bf80b2f8cfa7d53
Reviewed-on: https://boringssl-review.googlesource.com/13260
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
It's not completely clear to me why select_cetificate_cb behaves the way it
does, however not only is it confusing, but it makes assumptions about the
application using BoringSSL (it's not always possible to implement custom
logic outside of the callbacks provided by libssl), that make this callback
somewhat useless.
Case in point, the callback can be used for changing min/max protocol versions
based on per-site policies, and select_certificate_cb is the only place where
SSL_set_min/max_proto_version() can be used (e.g. you can't call them in
cert_cb because it's too late), but the decision on the specific versions to
use might depend on configuration that needs retrieving asynchronously from
over the network, which requires re-running the callback multiple times.
Change-Id: Ia8e151b163628545373e7fd1f327e9af207478a6
Reviewed-on: https://boringssl-review.googlesource.com/13000
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
We have a test somewhere which tries to read off of it. Align the getter
roughly with upstream's SSL_SESSION_get0_id_context (which we don't
currently expose).
BUG=6
Change-Id: Iab240868838ba56c1f08d112888d9536574347b4
Reviewed-on: https://boringssl-review.googlesource.com/12636
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>
Before RFC 7539 we had a ChaCha20-Poly1305 cipher suite that had a 64/64
nonce/counter split (as DJB's original ChaCha20 did). RFC 7539 changed
that to 96/32 and we've supported both for some time.
This change removes the old version and the TLS cipher suites that used
it.
BUG=chromium:682816
Change-Id: I2345d6db83441691fe0c1ab6d7c6da4d24777849
Reviewed-on: https://boringssl-review.googlesource.com/13203
Reviewed-by: Adam Langley <agl@google.com>
This reverts commit def9b46801.
(I should have uploaded a new version before sending to the commit queue.)
Change-Id: Iaead89c8d7fc1f56e6294d869db9238b467f520a
Reviewed-on: https://boringssl-review.googlesource.com/13202
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
TLS 1.3 forbids warning alerts, and sending these is a bad idea. Per RFC
6066:
If the server understood the ClientHello extension but
does not recognize the server name, the server SHOULD take one of two
actions: either abort the handshake by sending a fatal-level
unrecognized_name(112) alert or continue the handshake. It is NOT
RECOMMENDED to send a warning-level unrecognized_name(112) alert,
because the client's behavior in response to warning-level alerts is
unpredictable.
The motivation is to cut down on the number of places where we send
non-closing alerts. We can't remove them yet (SSL 3.0 and TLS 1.3 draft
18 need to go), but eventually this can be a simplifying assumption.
Already this means DTLS never sends warning alerts, which is good
because DTLS can't retransmit them.
Change-Id: I577a1eb9c23e66d28235c0fbe913f00965e19486
Reviewed-on: https://boringssl-review.googlesource.com/13221
Reviewed-by: Adam Langley <agl@google.com>
Before RFC 7539 we had a ChaCha20-Poly1305 cipher suite that had a 64/64
nonce/counter split (as DJB's original ChaCha20 did). RFC 7539 changed
that to 96/32 and we've supported both for some time.
This change removes the old version and the TLS cipher suites that used
it.
Change-Id: Icd9c2117c657f3aa6df55990c618d562194ef0e8
Reviewed-on: https://boringssl-review.googlesource.com/13201
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Change-Id: Ia6598ee4b2d4623abfc140d6a5c0eca4bcb30427
Reviewed-on: https://boringssl-review.googlesource.com/13180
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>
