RAND: document that the ENGINE RAND override is deprecated.
@@ -23,7 +23,8 @@ RAND_OpenSSL() returns the default B<RAND_METHOD> implementation by OpenSSL.
This implementation ensures that the PRNG state is unique for each thread.
If an B<ENGINE> is loaded that provides the RAND API, however, it will
-be used instead of the method returned by RAND_OpenSSL().
+be used instead of the method returned by RAND_OpenSSL(). This is deprecated
+in OpenSSL 3.0.
RAND_set_rand_method() makes B<meth> the method for PRNG use. If an
ENGINE was providing the method, it will be released first.
@@ -58,6 +59,11 @@ L<RAND_bytes(3)>,
L<ENGINE_by_id(3)>,
L<RAND(7)>
+=head1 HISTORY
+
+The ability for an B<ENGINE> to replace the RAND API was deprecated in
+OpenSSL 3.0.
+
=head1 COPYRIGHT
Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.
