/usr/lib/python2.7/dist-packages/cryptography_vectors/asymmetric/PEM_Serialization/ec_private_key.pem is in python-cryptography-vectors 0.6.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | -----BEGIN EC PARAMETERS-----
BggqhkjOPQMBBw==
-----END EC PARAMETERS-----
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIGIq02UsfuTvGOrZRnJGulum7SYqHHa3aJX3LpEqExJPoAoGCCqGSM49
AwEHoUQDQgAEJLzzbuz2tRnLFlOL+6bTX6giVavAsc6NDFFT0IMCd2ibTTNUDDkF
Gsgq0cH5JYPg/6xUlMBFKrWYe3yQ4has9w==
-----END EC PRIVATE KEY-----
|