Trim some more per-connection memory.

EVP_MAX_MD_SIZE is sized for the largest hash function supported, SHA-512, but
TLS never uses anything larger than SHA-384, which is plenty large enough. This
shaves 16 * 3 = 48 bytes of per-connection overhead plus an addition 16 * 7 =
112 bytes of per-handshake overhead. (Per-handshake structures are discarded
when the handshake completes, so this matters less.)

Change-Id: Iabe15d25fc9182ffcdde876facbe4d80c8143197
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/36790
Reviewed-by: Adam Langley <agl@google.com>
2 files changed
tree: 1bdc678820bf7ed03a9a40016f4b79c75d7e4be6
  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.

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