They're not called externally. Unexporting these will make it easier to
rewrite the PKCS{5,8,12} code to use CBS/CBB rather than X509_ALGOR.
Getting rid of those callers in Chromium probably won't happen for a
while since it's in our on-disk formats. (And a unit test for some NSS
client cert glue uses it.)
BUG=54
Change-Id: Id4148a2ad567484782a6e0322b68dde0619159fc
Reviewed-on: https://boringssl-review.googlesource.com/13062
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <alangley@gmail.com>
Towards an eventual goal of opaquifying BoringSSL structs, we want
our consumers -- in this case, Android's libcore -- to not directly
manipulate BigNums; and it would be convenient for them if we would
perform the appropriate gymnastics to interpret little-endian byte
streams.
It also seems a priori a bit strange to have only big-endian varieties
of BN byte-conversions.
This CL provides little-endian equivalents of BN_bn2bin_padded
and BN_bin2bn.
BUG=97
Change-Id: I0e92483286def86d9bd71a46d6a967a3be50f80b
Reviewed-on: https://boringssl-review.googlesource.com/12641
Reviewed-by: David Benjamin <davidben@google.com>
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This adds support for setting 0-RTT mode on tickets minted by
BoringSSL, allowing for testing of the initial handshake knowledge.
BUG=76
Change-Id: Ic199842c03b5401ef122a537fdb7ed9e9a5c635a
Reviewed-on: https://boringssl-review.googlesource.com/12740
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This is a memory error for anything other than LHASH_OF(char), which
does not exist.
No code outside the library creates (or even queries) an LHASH, so we
can change this module freely.
Change-Id: Ifbc7a1c69a859e07650fcfaa067bdfc68d83fbbc
Reviewed-on: https://boringssl-review.googlesource.com/12978
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
BUG=97
Change-Id: I4799cc99511e73af44def1d4daa36a8b4699f62d
Reviewed-on: https://boringssl-review.googlesource.com/12904
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The perl script is a little nuts. obj_dat.pl actually parses the header
file that objects.pl emits to figure out what all the objects are.
Replace it all with a single Go script.
BUG=16
Change-Id: Ib1492e22dbe4cf9cf84db7648612b156bcec8e63
Reviewed-on: https://boringssl-review.googlesource.com/12963
Reviewed-by: Adam Langley <agl@google.com>
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This extension will be used to test whether
https://github.com/tlswg/tls13-spec/pull/762 is deployable against
middleboxes. For simplicity, it is mutually exclusive with 0-RTT. If
client and server agree on the extension, TLS 1.3 records will use the
format in the PR rather than what is in draft 18.
BUG=119
Change-Id: I1372ddf7b328ddf73d496df54ac03a95ede961e1
Reviewed-on: https://boringssl-review.googlesource.com/12684
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X509_STORE_set0_additional_untrusted allows one to set a stack of
additional untrusted certificates that can be used during chain
building. These will be merged with the untrusted certificates set on
the |X509_STORE_CTX|.
Change-Id: I3f011fb0854e16a883a798356af0a24cbc5a9d68
Reviewed-on: https://boringssl-review.googlesource.com/12980
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Simplify the code, and in particular make |BN_div|, |BN_mod|, and
|BN_nnmod| insensitive to |BN_FLG_CONSTTIME|. This improves the
effectiveness of testing by reducing the number of branches that are
likely to go untested or less tested.
There is no performance-sensitive code that uses BN_div but doesn't
already use BN_FLG_CONSTTIME except RSA signature verification and
EC_GROUP creation. RSA signature verification, ECDH, and ECDSA
performance aren't significantly different with this change.
Change-Id: Ie34c4ce925b939150529400cc60e1f414c7676cd
Reviewed-on: https://boringssl-review.googlesource.com/9105
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
There are no longer any consumers of these APIs.
These were useful back when the CBC vs. RC4 tradeoff varied by version
and it was worth carefully tuning this cutoff. Nowadays RC4 is
completely gone and there's no use in configuring these anymore.
To avoid invalidating the existing ssl_ctx_api corpus and requiring it
regenerated, I've left the entries in there. It's probably reasonable
for new API fuzzers to reuse those slots.
Change-Id: I02bf950e3828062341e4e45c8871a44597ae93d5
Reviewed-on: https://boringssl-review.googlesource.com/12880
Commit-Queue: David Benjamin <davidben@google.com>
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-2 is really weird. On sign, it's maximal length. On verify, it actually
accepts all lengths. This sounds somewhat questionable to me, but just
document the state of the world for now. Also add a recommendation to
use -1 (match digest length) to align with TLS 1.3, tokbind, and QUIC
Crypto. Hopefully the first two is sufficient that the IETF will forever
use this option and stop the proliferation of RSA-PSS parameters.
Change-Id: Ie0ad7ad451089df0e18d6413d1b21c5aaad9d0f2
Reviewed-on: https://boringssl-review.googlesource.com/12823
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This function always returns the full chain and will hopefully eliminate
the need for some code in Conscrypt.
Change-Id: Ib662005322c40824edf09d100a784ff00492896a
Reviewed-on: https://boringssl-review.googlesource.com/12780
Reviewed-by: Adam Langley <agl@google.com>
Querying a bit in a BIT STRING is a little finicky. Add some functions
to help with this.
Change-Id: I813b9b6f2d952d61d8717b47bca1344f0ad4b7d1
Reviewed-on: https://boringssl-review.googlesource.com/12800
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So we can report it cleanly out of DevTools, it should behave like
SSL_get_curve_id and be reported on resumption too.
BUG=chromium:658905
Change-Id: I0402e540a1e722e09eaebadf7fb4785d8880c389
Reviewed-on: https://boringssl-review.googlesource.com/12694
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The only accessor for this field is the group/curve ID. Switch to only
storing that so no cipher checks are needed to interpret it. Instead,
ignore older values at parse time.
Change-Id: Id0946d4ac9e7482c69e64cc368a9d0cddf328bd3
Reviewed-on: https://boringssl-review.googlesource.com/12693
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Nothing calls this anymore. DHE is nearly gone. This unblocks us from
making key_exchange_info only apply to the curve.
Change-Id: I3099e7222a62441df6e01411767d48166a0729b1
Reviewed-on: https://boringssl-review.googlesource.com/12691
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This change removes the use of |X509_get_pubkey| from the TLS <= 1.2
code. That function is replaced with a shallow parse of the certificate
to extract the public key instead.
Change-Id: I8938c6c5a01b32038c6b6fa58eb065e5b44ca6d2
Reviewed-on: https://boringssl-review.googlesource.com/12707
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This currently only works for certificates parsed from the network, but
if making several connections that share certificates, some KB of memory
might be saved.
BUG=chromium:671420
Change-Id: I1c7a71d84e1976138641f71830aafff87f795f9d
Reviewed-on: https://boringssl-review.googlesource.com/12706
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This change adds a STACK_OF(CRYPTO_BUFFER) to an SSL_SESSION which
contains the raw form of the received certificates. The X509-based
members still exist, but their |enc| buffer will alias the
CRYPTO_BUFFERs.
(This is a second attempt at
https://boringssl-review.googlesource.com/#/c/12163/.)
BUG=chromium:671420
Change-Id: I508a8a46cab89a5a3fcc0c1224185d63e3d59cb8
Reviewed-on: https://boringssl-review.googlesource.com/12705
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OpenSSL includes a leaf certificate in a certificate chain when it's a
client, but doesn't when it's a server. This is also reflected in the
serialisation of sessions.
This change makes the internal semantics consistent: the leaf is always
included in the chain in memory, and never duplicated when serialised.
To maintain the same API, SSL_get_peer_cert_chain will construct a copy
of the chain without the leaf if needed.
Since the serialised format of a client session has changed, an
|is_server| boolean is added to the ASN.1 that defaults to true. Thus
any old client sessions will be parsed as server sessions and (silently)
discarded by a client.
Change-Id: Ibcf72bc8a130cedb423bc0fd3417868e0af3ca3e
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state is now initialized to SSL_ST_INIT in SSL_HANDSHAKE. If there is no
handshake present, we report SSL_ST_OK. This saves 8 bytes of
per-connection post-handshake memory.
Change-Id: Idb3f7031045caed005bd7712bc8c4b42c81a1d04
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This avoids needing a extra state around client certificates to avoid
calling the callbacks twice. This does, however, come with a behavior
change: configuring both callbacks won't work. No consumer does this.
(Except bssl_shim which needed slight tweaks.)
Change-Id: Ia5426ed2620e40eecdcf352216c4a46764e31a9a
Reviewed-on: https://boringssl-review.googlesource.com/12690
Reviewed-by: Adam Langley <agl@google.com>
This is never used. Removing it allows us to implement the old callback
using the new one.
Change-Id: I4be70cc16e609ce79b51836c19fec565c67ff3d6
Reviewed-on: https://boringssl-review.googlesource.com/12689
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Callers doing more interesting things than read and write tend to use
SSL_get_error. SSL_want_{read,write} are still used, however.
Change-Id: I21e83cc8046742857051f755868d86deffd23d81
Reviewed-on: https://boringssl-review.googlesource.com/12688
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
One of them is used in the new minimal SSL BIO, but cURL doesn't consume
it, so let's just leave it out. A consumer using asynchronous
certificate lookup is unlikely to be doing anything with SSL BIOs.
Change-Id: I10e7bfd643d3a531d42a96a8d675611d13722bd2
Reviewed-on: https://boringssl-review.googlesource.com/12686
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
For folks who prefer the named length constants, the current ones aren't
sufficient because the shared key isn't the private key or a public
value.
Well, it does have the same type as a public value, but it looks silly
to write:
uint8_t secret_key[X25519_PUBLIC_VALUE_LEN];
Change-Id: I391db8ee73e2b4305d0ddd22f6d99f6abbc6b45b
Reviewed-on: https://boringssl-review.googlesource.com/12680
Commit-Queue: David Benjamin <davidben@google.com>
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Change-Id: Iaac633616a54ba1ed04c14e4778865c169a68621
Reviewed-on: https://boringssl-review.googlesource.com/12703
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This reverts commits 5a6e616961 and
e8509090cf. I'm going to unify how the
chains are kept in memory between client and server first otherwise the
mess just keeps growing.
Change-Id: I76df0d94c9053b2454821d22a3c97951b6419831
Reviewed-on: https://boringssl-review.googlesource.com/12701
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Change-Id: Ie947ab176d10feb709c6e135d5241c6cf605b8e8
Reviewed-on: https://boringssl-review.googlesource.com/12700
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This currently only works for certificates parsed from the network, but
if making several connections that share certificates, some KB of memory
might be saved.
Change-Id: I0ea4589d7a8b5c41df225ad7f282b6d1376a8db4
Reviewed-on: https://boringssl-review.googlesource.com/12164
Reviewed-by: Adam Langley <alangley@gmail.com>
This change adds a STACK_OF(CRYPTO_BUFFER) to an SSL_SESSION which
contains the raw form of the received certificates. The X509-based
members still exist, but their |enc| buffer will alias the
CRYPTO_BUFFERs.
The serialisation format of SSL_SESSIONs is also changed, in a backwards
compatible way. Previously, some sessions would duplicate the leaf
certificate in the certificate chain. These sessions can still be read,
but will be written in a way incompatible with older versions of the
code. This should be fine because the situation where multiple versions
exchange serialised sessions is at the server, and the server doesn't
duplicate the leaf certifiate in the chain anyway.
Change-Id: Id3b75d24f1745795315cb7f8089a4ee4263fa938
Reviewed-on: https://boringssl-review.googlesource.com/12163
Reviewed-by: Adam Langley <alangley@gmail.com>
A recent change to curl[1] added support for HTTPS proxies, which
involves running a TLS connection inside another TLS connection. This
was done by using SSL BIOs, which we removed from BoringSSL for being
crazy.
This change adds a stripped-down version of the SSL BIO to decrepit in
order to suport curl.
[1] cb4e2be7c6
Change-Id: I9cb8f2db5b28a5a70724f6f93544297c380ac124
Reviewed-on: https://boringssl-review.googlesource.com/12631
Reviewed-by: Adam Langley <agl@google.com>
Right now the only way to set an OCSP response is SSL_CTX_set_ocsp_response
however this assumes that all the SSLs generated from a SSL_CTX share the
same OCSP response, which is wrong.
This is similar to the OpenSSL "function" SSL_get_tlsext_status_ocsp_resp,
the main difference being that this doesn't take ownership of the OCSP buffer.
In order to avoid memory duplication in case SSL_CTX has its own response,
a CRYPTO_BUFFER is used for both SSL_CTX and SSL.
Change-Id: I3a0697f82b805ac42a22be9b6bb596aa0b530025
Reviewed-on: https://boringssl-review.googlesource.com/12660
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All callers were long since updated.
Change-Id: Ibdc9b186076dfbcbc3bd7dcc72610c8d5a522cfc
Reviewed-on: https://boringssl-review.googlesource.com/12624
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size_t at the public API, uint8_t on the SSL structs since everything
fits in there comfortably.
Change-Id: I837c3b21e04e03dfb957c1a3e6770300d0b49c0b
Reviewed-on: https://boringssl-review.googlesource.com/12638
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There is no need to retain it beyond this point.
Change-Id: Ib5722ab30fc013380198b1582d1240f0fe0aa770
Reviewed-on: https://boringssl-review.googlesource.com/12620
Reviewed-by: Adam Langley <agl@google.com>
This was useful when we were transitioning NPN off in Chromium, but now
there are no callers remaining.
Change-Id: Ic619613d6d475eea6bc258c4a90148f129ea4a81
Reviewed-on: https://boringssl-review.googlesource.com/12637
Reviewed-by: Steven Valdez <svaldez@google.com>
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This was only used by Chromium and was since replaced with a custom BIO.
Though it meant a new ring buffer implementation, custom BIOs seem a
better solution for folks who wish to do particularly complicated
things, until the new SSL API is available. External-buffer BIO pairs
were effectively a really confusing and leaky abstraction over a ring
buffer anyway.
Change-Id: I0e201317ff87cdccb17b2f8c260ee5bb06c74771
Reviewed-on: https://boringssl-review.googlesource.com/12626
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This allows a consumer to disable Channel ID (for instance, it may be
enabled on the SSL_CTX and later disabled on the SSL) without reaching
into the SSL struct directly.
Deprecate the old APIs in favor of these.
BUG=6
Change-Id: I193bf94bc1f537e1a81602a39fc2b9a73f44c73b
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This is an API which we added, so only first-party code could be
conditioning on it.
Change-Id: I08217fcae47585b22142df05622e31b6dfb6e4d6
Reviewed-on: https://boringssl-review.googlesource.com/12622
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It's our ClientHello representation. May as well name it accordingly.
Also switch away from calling the variable name ctx as that conflicts
with SSL_CTX.
Change-Id: Iec0e597af37137270339e9754c6e08116198899e
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AES-GCM-SIV is an AEAD with nonce-misuse resistance. It can reuse
hardware support for AES-GCM and thus encrypt at ~66% the speed, and
decrypt at 100% the speed, of AES-GCM.
See https://tools.ietf.org/html/draft-irtf-cfrg-gcmsiv-02
This implementation is generic, not optimised, and reuses existing AES
and GHASH support as much as possible. It is guarded by !OPENSSL_SMALL,
at least for now.
Change-Id: Ia9f77b256ef5dfb8588bb9ecfe6ee0e827626f57
Reviewed-on: https://boringssl-review.googlesource.com/12541
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We currently look up SSL_HANDSHAKE off of ssl->s3->hs everywhere, but
this is a little dangerous. Unlike ssl->s3->tmp, ssl->s3->hs may not be
present. Right now we just know not to call some functions outside the
handshake.
Instead, code which expects to only be called during a handshake should
take an explicit SSL_HANDSHAKE * parameter and can assume it non-NULL.
This replaces the SSL * parameter. Instead, that is looked up from
hs->ssl.
Code which is called in both cases, reads from ssl->s3->hs. Ultimately,
we should get to the point that all direct access of ssl->s3->hs needs
to be NULL-checked.
As a start, manage the lifetime of the ssl->s3->hs in SSL_do_handshake.
This allows the top-level handshake_func hooks to be passed in the
SSL_HANDSHAKE *. Later work will route it through the stack. False Start
is a little wonky, but I think this is cleaner overall.
Change-Id: I26dfeb95f1bc5a0a630b5c442c90c26a6b9e2efe
Reviewed-on: https://boringssl-review.googlesource.com/12236
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Although we ignore all but the first identity, keep clients honest by
parsing the whole thing. Also explicitly check that the binder and
identity counts match.
Change-Id: Ib9c4caae18398360f3b80f8db1b22d4549bd5746
Reviewed-on: https://boringssl-review.googlesource.com/12469
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Due to recent changes, changing the SSL session timeout from cert_cb is
not possible anymore since the new |SSL_SESSION| is initialized *after*
cert_cb is run. The alternative would be using |SSL_CTX_set_timeout| but
the specific |SSL_CTX| could be shared by multiple |SSL|s.
Setting a value on a per-connection basis is useful in case timeouts
need to be calculated dynamically based on specific certificate/domain
information that would be retrieved from inside cert_cb (or other
callbacks).
It would also be possible to set the value to 0 to prevent session
resumption, which is not otherwise doable in the handshake callbacks.
Change-Id: I730a528c647f83f7f77f59b5b21d7e060e4c9843
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BUG=101
Change-Id: Ia1edbccee535b0bc3a0e18465286d5bcca240035
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This change causes SSL_CTX_set_signed_cert_timestamp_list to check the
SCT list for shallow validity before allowing it to be set.
Change-Id: Ib8a1fe185224ff02ed4ce53a0109e60d934e96b3
Reviewed-on: https://boringssl-review.googlesource.com/12401
Commit-Queue: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>
Previously the option to retain only the SHA-256 hash of client
certificates could only be set at the |SSL_CTX| level. This change makes
|SSL| objects inherit the setting from the |SSL_CTX|, but allows it to
be overridden on a per-|SSL| basis.
Change-Id: Id435934af3d425d5f008d2f3b9751d1d0884ee55
Reviewed-on: https://boringssl-review.googlesource.com/12182
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>
