Function trust_dns_proto::openssl::tls_server::read_key_from_pkcs8

pub fn read_key_from_pkcs8(
    path: &Path, 
    password: Option<&str>
) -> ProtoResult<PKey<Private>>

This is supported on crate feature dns-over-openssl only.

Reads a private key from a pkcs8 formatted, and possibly encoded file