chromium/net/data/verify_certificate_chain_unittest/target-has-512bit-rsa-key/keys/Target.key

openssl genrsa 512
-----BEGIN RSA PRIVATE KEY-----
MIIBOQIBAAJBANUTu1K/yhkaBhloBx3mhxbT8OASuqK1Kj3ts2QWBqNQ/LCkSfL5
qzStT9sKPSslkoY/lN/7/FTyx22e0hDgzQ0CAwEAAQJAbZBW20b5QY0LI9dFCY/3
WLqkemPHClFDplJq0wUsZp8XCIDjkx8RzNBOjN1i4WV25z5q5lOGeYopYgE4g5AQ
QQIhAO0ZkvzLX7A08d5guXp7AZYIbX3z43fzBaaAPkgRaC9RAiEA5g/uXR1+NxrK
a88zei/oADF6tixOoTI41Hkg3CCK6v0CIE6GPskcbfeEwWod7K/k1zSiW+jwAjDy
urdXF8l0gmXRAiBNtcnlKAYvJNyFCAsyVaY/EneJu3Of3W/2zSd9U3y5HQIgXa7O
cDEGpXaGf862y0kEzrHPnG8morJkL6zjUOtI6ZA=
-----END RSA PRIVATE KEY-----