/usr/lib/python3/dist-packages/asyncssh/crypto/ is in python3-asyncssh 1.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/asyncssh/crypto/__init__.py
/usr/lib/python3/dist-packages/asyncssh/crypto/chacha.py
/usr/lib/python3/dist-packages/asyncssh/crypto/cipher.py
/usr/lib/python3/dist-packages/asyncssh/crypto/curve25519.py
/usr/lib/python3/dist-packages/asyncssh/crypto/ec.py
/usr/lib/python3/dist-packages/asyncssh/crypto/ecdh.py
/usr/lib/python3/dist-packages/asyncssh/crypto/pyca/
/usr/lib/python3/dist-packages/asyncssh/crypto/pyca/__init__.py
/usr/lib/python3/dist-packages/asyncssh/crypto/pyca/cipher.py
/usr/lib/python3/dist-packages/asyncssh/crypto/pyca/dsa.py
/usr/lib/python3/dist-packages/asyncssh/crypto/pyca/ec.py
/usr/lib/python3/dist-packages/asyncssh/crypto/pyca/rsa.py