EVP_AEAD_CTX is otherwise a pain to use from C++ when you need to keep
it around.
Change-Id: I1dff926b33a3246680be21b89b69dfb336d25cd5
Reviewed-on: https://boringssl-review.googlesource.com/15965
Commit-Queue: David Benjamin <davidben@google.com>
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FIPS 186-4 wants d = e^-1 (mod lcm(p-1, q-1)), not (p-1)*(q-1).
Note this means the size of d might reveal information about p-1 and
q-1. However, we do operations with Chinese Remainder Theorem, so we
only use d (mod p-1) and d (mod q-1) as exponents. Using a minimal
totient does not affect those two values.
This removes RSA_recover_crt_params. Using a minimal d breaks (or rather
reveals an existing bug in) the function.
While I'm here, rename those ridiculous variable names.
Change-Id: Iaf623271d49cd664ba0eca24aa25a393f5666fac
Reviewed-on: https://boringssl-review.googlesource.com/15944
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
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Nothing is using them. For encrypt, there's generally no need to swap
out public key operations. keygen seems especially pointless as one
could just as easily call the other function directly.
The one behavior change is RSA_encrypt now gracefully detects if called
on an empty RSA, to match the other un-RSA_METHOD-ed functions which had
similar treatments. (Conscrypt was filling in the encrypt function
purely to provide a non-crashing no-op function. They leave the public
bits blank and pass their custom keys through sufficiently many layers
of Java crypto goo that it's not obvious whether this is reachable.)
We still can't take the function pointers out, but once
96bbe03dfd
trickles back into everything, we can finally prune RSA_METHOD.
Bump BORINGSSL_API_VERSION as a convenience so I can land the
corresponding removal in Conscrypt immediately.
Change-Id: Ia2ef4780a5dfcb869b224e1ff632daab8d378b2e
Reviewed-on: https://boringssl-review.googlesource.com/15864
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This allows us to implement RSA-PSS in the FIPS module without pulling
in EVP_PKEY. It also allows people to use RSA-PSS on an RSA*.
Empirically folks seem to use the low-level padding functions a lot,
which is unfortunate.
This allows us to remove a now redundant length check in p_rsa.c.
Change-Id: I5270e01c6999d462d378865db2b858103c335485
Reviewed-on: https://boringssl-review.googlesource.com/15825
Reviewed-by: Adam Langley <agl@google.com>
Thanks to Alex Gaynor for catching this.
Change-Id: I00e86f90a6ecb845393c0f4f9f8177a053645e70
Reviewed-on: https://boringssl-review.googlesource.com/15784
Commit-Queue: Steven Valdez <svaldez@google.com>
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OPENSSL_ia32cap_addr avoids any relocations within the module, at the
cost of a runtime TEXTREL, which causes problems in some cases.
(Notably, if someone links us into a binary which uses the GCC "ifunc"
attribute, the loader crashes.)
Fix C references of OPENSSL_ia32cap_addr with a function. This is
analogous to the BSS getters. A follow-up commit will fix perlasm with a
different scheme which avoids calling into a function (clobbering
registers and complicating unwind directives.)
Change-Id: I09d6cda4cec35b693e16b5387611167da8c7a6de
Reviewed-on: https://boringssl-review.googlesource.com/15525
Reviewed-by: Adam Langley <agl@google.com>
We only ever compute it for odd (actually, prime) modulus as part of
BN_mod_sqrt.
If we cared, we could probably drop this from most binaries. This is
used to when modular square root needs Tonelli-Shanks. Modular square
root is only used for compressed coordinates. Of our supported curves
(I'm handwaiving away EC_GROUP_new_curve_GFp here[*]), only P-224 needs
the full Tonelli-Shanks algorithm (p is 1 mod 8). That computes the
Legendre symbol a bunch to find a non-square mod p. But p is known at
compile-time, so we can just hard-code a sample non-square.
Sadly, BN_mod_sqrt has some callers outside of crypto/ec, so there's
also that. Anyway, it's also not that large of a function.
[*] Glancing through SEC 2 and Brainpool, secp224r1 is the only curve
listed in either document whose prime is not either 3 mod 4 or 5 mod 8.
Even 5 mod 8 is rare: only secp224k1. It's unlikely anyone would notice
if we broke annoying primes. Though OpenSSL does support "WTLS" curves
which has an additional 1 mod 8 case.
Change-Id: If36aa78c0d41253ec024f2d90692949515356cd1
Reviewed-on: https://boringssl-review.googlesource.com/15425
Reviewed-by: Adam Langley <agl@google.com>
Also fully deprecate ERR_error_string. Even when passing an external
buffer, passing the length explicitly is better.
Change-Id: Id2eb5723410f4564ef5e27c54ba79672133368e7
Reviewed-on: https://boringssl-review.googlesource.com/15424
Reviewed-by: Adam Langley <agl@google.com>
These modes do internal random IV generation and are unsuitable for
non-testing purposes.
Change-Id: I14b98af8f6cf43b4fc835a2b04a9b0425b7651b7
Reviewed-on: https://boringssl-review.googlesource.com/15244
Reviewed-by: Adam Langley <agl@google.com>
Thanks to Rob Sloan for clearing out Android's uses of these functions.
I forgot we can hide these now.
BUG=97
Change-Id: I9bc7bf5ca379d3345743151e606f3e911367b4ed
Reviewed-on: https://boringssl-review.googlesource.com/15364
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Robert Sloan <varomodt@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
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This is a version of PKCS7_get_certificates but does not require
crypto/x509.
BUG=54
Change-Id: I20152a8d1f3ed866d47e41fe576ea9f442490224
Reviewed-on: https://boringssl-review.googlesource.com/15129
Reviewed-by: David Benjamin <davidben@google.com>
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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>
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BUG=76
Change-Id: I8b754ba17b3e0beee425929e4b53785b2e95f0ae
Reviewed-on: https://boringssl-review.googlesource.com/15164
Reviewed-by: 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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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>
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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>
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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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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
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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
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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
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
