pw_tls_client: Add fake entropy backend
Add a default fake entropy for demo and test purpose.
Change-Id: Icfa4d91cfbdb5590d980656792793755803a0c4c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/51402
Commit-Queue: Rob Mohr <mohrr@google.com>
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Reviewed-by: Ali Zhang <alizhang@google.com>
diff --git a/pw_tls_client/docs.rst b/pw_tls_client/docs.rst
index 5a9ec6d..380018c 100644
--- a/pw_tls_client/docs.rst
+++ b/pw_tls_client/docs.rst
@@ -37,7 +37,8 @@
-----------
TLS requires an entropy source for generating random bytes. Users of this
module should provide one by implementing a backend to the
-``pw_tls_client:entropy`` facade.
+``pw_tls_client:entropy`` facade. The backend defaults to
+``pw_tls_client:fake_entropy`` that does nothing.
2. Chromium Verifier
---------------------