Use BCryptGenRandom when building as Windows UWP app.

RtlGenRandom is a legacy API that might be altered and is unavailable
for UWP apps. BCryptGenRandom is the recommended API for generating
random numbers on UWP.

This change causes BCryptGenRandom to be used for UWP apps and
RtlGenRandom to be used on non-UWP apps (i.e. desktop apps). For non-UWP
configurations, RtlGenRandom is used instead of BCryptGenRandom to avoid
accessing resources that may be unavailable inside the Chromium sandbox.

Bug: 307
Change-Id: I49f445198b7b4f300a752f45e221a2875d17099e
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/39584
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
1 file changed
tree: 7a2ae0513af45196070405709399f676e12723bf
  1. .github/
  2. crypto/
  3. decrepit/
  4. fuzz/
  5. include/
  6. ssl/
  7. third_party/
  8. tool/
  9. util/
  10. .clang-format
  11. .gitignore
  12. API-CONVENTIONS.md
  13. BREAKING-CHANGES.md
  14. BUILDING.md
  15. CMakeLists.txt
  16. codereview.settings
  17. CONTRIBUTING.md
  18. FUZZING.md
  19. go.mod
  20. INCORPORATING.md
  21. LICENSE
  22. PORTING.md
  23. README.md
  24. sources.cmake
  25. STYLE.md
README.md

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.

Project links:

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