On Tuesday, 24 October 2017 at 03:30:19 UTC, Nathan S. wrote: > - On macOS, OpenBSD, and NetBSD, use arc4random_buf [4] in > unpredictableSeed and genRandomNonBlocking. Since I am not sure whether this is common knowledge, arc4random isn't based on RC4 on these platforms. macOS uses AES, and OpenBSD and NetBSD use ChaCha20.