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David Benjamin a41280d8cb Pull ChangeCipherSpec into the handshake state machine.
This uses ssl3_read_bytes for now. We still need to dismantle that
function and then invert the handshake state machine, but this gets
things closer to the right shape as an intermediate step and is a large
chunk in itself. It simplifies a lot of the CCS/handshake
synchronization as a lot of the invariants much more clearly follow from
the handshake itself.

Tests need to be adjusted since this changes some error codes. Now all
the CCS/Handshake checks fall through to the usual
SSL_R_UNEXPECTED_RECORD codepath. Most of what used to be a special-case
falls out naturally. (If half of Finished was in the same record as the
pre-CCS message, that part of the handshake record would have been left
unconsumed, so read_change_cipher_spec would have noticed, just like
read_app_data would have noticed.)

Change-Id: I15c7501afe523d5062f0e24a3b65f053008d87be
Reviewed-on: https://boringssl-review.googlesource.com/6642
Reviewed-by: Adam Langley <agl@google.com>
2015-12-16 18:36:57 +00:00
crypto Switch unrolled loop in BN_usub with memcpy. 2015-12-16 17:38:48 +00:00
decrepit Fix AES XTS mode key size. 2015-11-19 18:08:33 +00:00
fuzz Add four, basic fuzz tests. 2015-11-10 19:14:01 +00:00
include/openssl Pull ChangeCipherSpec into the handshake state machine. 2015-12-16 18:36:57 +00:00
ssl Pull ChangeCipherSpec into the handshake state machine. 2015-12-16 18:36:57 +00:00
tool Switch the keylog BIO to a callback. 2015-11-19 01:23:49 +00:00
util Chromium's update.sh is dead, long live update.py 2015-12-16 17:30:31 +00:00
.clang-format
.gitignore Fix documentation generation on Windows. 2015-08-19 00:45:42 +00:00
BUILDING.md Make the instructions for downloading the ARM compiler easier to copy and paste. 2015-10-30 20:47:08 +00:00
CMakeLists.txt Update and fix fuzzing instructions. 2015-11-10 23:37:36 +00:00
codereview.settings
FUZZING.md Update and fix fuzzing instructions. 2015-11-10 23:37:36 +00:00
LICENSE Note that some files carry in Intel license. 2015-07-28 00:55:32 +00:00
PORTING.md Update PORTING.md for the new renego API. 2015-10-26 19:27:56 +00:00
README.md Add four, basic fuzz tests. 2015-11-10 19:14:01 +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:

  • PORTING.md: how to port OpenSSL-using code to BoringSSL.
  • BUILDING.md: how to build BoringSSL
  • STYLE.md: rules and guidelines for coding style.
  • include/openssl: public headers with API documentation in comments. Also available online.
  • FUZZING.md: information about fuzzing BoringSSL.