17.5.0
Export keying material support (#725)
Delete rand.py (#675)
Don't zero memory when we don't have to. (#578)
fix a memory leak and a potential UAF and also #722 (#723)
Add an informative __main__.py (#620)
restore a subset of the rand module (#708)
Fixes #655 -- deprecate OpenSSL.tsafe (#673)
17.5.0 version bump (#726)