/usr/lib/python3/dist-packages/Cryptodome/SelfTest/PublicKey/test_vectors/ECC/ecc_p256_x509.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 9 10 11 | -----BEGIN CERTIFICATE-----
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MjkwNjMyNTBaMCMxCzAJBgNVBAYTAkdCMRQwEgYDVQQDDAtleGFtcGxlLmNvbTBZ
MBMGByqGSM49AgEGCCqGSM49AwEHA0IABKQK1ZogUOvpJHm9X7FrsuRbZGXrPLKx
7/5CP6vmy3Qk24IZ7wurgKzyb9cFlbYf5HYNM+7YDdA9L9DfsnuM51yjUDBOMB0G
A1UdDgQWBBSv2v+sOg8Z+VTAJk5ob4nDRS1+jjAfBgNVHSMEGDAWgBSv2v+sOg8Z
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ARj3nfwBK4uE3BmlGKjaH5JR3e9iEac7BT93W6hOAiEAuNZxsvUpadoB4SqurLVg
lrdvw9wpYr8JTq7q2KUIQes=
-----END CERTIFICATE-----
|