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  1. 3743aaf Add SSL_CIPHER_get_protocol_id. by David Benjamin · 15 hours ago master
  2. 9adcb0a Add TrustTokenV2. by Steven Valdez · 12 days ago
  3. ee4af9e Add X509_get_pathlen and X509_REVOKED_get0_extensions. by David Benjamin · 3 weeks ago
  4. 5eeaf30 Add some accommodations for FreeRDP by Adam Langley · 4 days ago
  5. ca3f243 Require non-NULL store in X509_STORE_CTX_init. by David Benjamin · 3 weeks ago


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: