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David Benjamin fb2c6f8c85 ASN1_get_object should not accept large universal tags.
The high bits of the type get used for the V_ASN1_NEG bit, so when used with
ASN1_ANY/ASN1_TYPE, universal tags become ambiguous. This allows one to create
a negative zero, which should be impossible. Impose an upper bound on universal
tags accepted by crypto/asn1 and add a test.

BUG=590615

Change-Id: I363e01ebfde621c8865101f5bcbd5f323fb59e79
Reviewed-on: https://boringssl-review.googlesource.com/7238
Reviewed-by: Adam Langley <agl@google.com>
2016-02-29 21:17:19 +00:00
crypto ASN1_get_object should not accept large universal tags. 2016-02-29 21:17:19 +00:00
decrepit Tweaks for node.js 2016-01-26 23:23:42 +00:00
fuzz Have fuzz/cert.cc also call X509_get_pubkey. 2016-02-18 00:10:15 +00:00
include/openssl ASN1_get_object should not accept large universal tags. 2016-02-29 21:17:19 +00:00
ssl Handle shutdown during init/handshake earlier 2016-02-29 20:33:51 +00:00
tool Fix bssl rand -hex. 2016-02-25 19:23:58 +00:00
util ASN1_get_object should not accept large universal tags. 2016-02-29 21:17:19 +00:00
.clang-format Inital import. 2014-06-20 13:17:32 -07:00
.gitignore Fix documentation generation on Windows. 2015-08-19 00:45:42 +00:00
BUILDING.md Enable upstream's ChaCha20 assembly for x86 and ARM (32- and 64-bit). 2016-02-23 17:19:45 +00:00
CMakeLists.txt Prefer MSVC over GCC if both are in %PATH%. 2016-02-08 18:12:36 +00:00
codereview.settings
CONTRIBUTING.md Add a CONTRIBUTING.md file. 2016-02-10 21:38:19 +00:00
FUZZING.md Update and fix fuzzing instructions. 2015-11-10 23:37:36 +00:00
LICENSE Add some bug references to the LICENSE file. 2016-02-22 20:16:48 +00:00
PORTING.md Document the d2i object reuse changes in PORTING.md. 2016-02-02 16:21:20 +00:00
README.md Add a CONTRIBUTING.md file. 2016-02-10 21:38:19 +00:00
STYLE.md Update link to Google style guide. 2015-11-03 02:02:12 +00:00

BoringSSL

BoringSSL is a fork of OpenSSL that is designed to meet Google's needs.

Although BoringSSL is an open source project, it is not intended for general use, as OpenSSL is. We don't recommend that third parties depend upon it. Doing so is likely to be frustrating because there are no guarantees of API or ABI stability.

Programs ship their own copies of BoringSSL when they use it and we update everything as needed when deciding to make API changes. This allows us to mostly avoid compromises in the name of compatibility. It works for us, but it may not work for you.

BoringSSL arose because Google used OpenSSL for many years in various ways and, over time, built up a large number of patches that were maintained while tracking upstream OpenSSL. As Google's product portfolio became more complex, more copies of OpenSSL sprung up and the effort involved in maintaining all these patches in multiple places was growing steadily.

Currently BoringSSL is the SSL library in Chrome/Chromium, Android (but it's not part of the NDK) and a number of other apps/programs.

There are other files in this directory which might be helpful: