FWIW, I posted a MR (well, a set of MRs) to Salsa that addresses this bug: https://salsa.debian.org/python-team/packages/python-cryptography/-/merge_requests/6 https://salsa.debian.org/python-team/packages/python-cryptography/-/merge_requests/7 https://salsa.debian.org/python-team/packages/python-cryptography/-/merge_requests/8