/usr/lib/python3/dist-packages/Cryptodome/SelfTest/PublicKey/test_vectors/ECC/ecc_p256_private_enc_aes256_gcm.pem is in python3-pycryptodome 3.4.7-1ubuntu1.
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 PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: id-aes256-GCM,4071BCFFB5B7CE18CEBFE901
oh6vdMD9bkUvRwtaBkYz6MMWCtjE2GvIKx+diG8XxzakcFzVIqXlDXfEcVIs6Vis
LFofIdBHElQxRUTnCCkb21pmly6v0ZLDugwMWNz6ichaie1gXqi+JwjPe2Ju5aro
UNeOPqFlVkCeEvHxE3eR1vqlDBLar9VwtA==
-----END EC PRIVATE KEY-----
|