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use rcgen::{date_time_ymd, CertificateParams, DistinguishedName, DnType, KeyPair, SanType};
use std::fs;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let mut params: CertificateParams = Default::default();
params.not_before = date_time_ymd(1975, 1, 1);
params.not_after = date_time_ymd(4096, 1, 1);
params.distinguished_name = DistinguishedName::new();
params
.distinguished_name
.push(DnType::OrganizationName, "Crab widgits SE");
params
.distinguished_name
.push(DnType::CommonName, "Master Cert");
params.subject_alt_names = vec![
SanType::DnsName("crabs.crabs".try_into()?),
SanType::DnsName("localhost".try_into()?),
];
let key_pair = KeyPair::generate()?;
let cert = params.self_signed(&key_pair)?;
let pem_serialized = cert.pem();
let pem = pem::parse(&pem_serialized)?;
let der_serialized = pem.contents();
println!("{pem_serialized}");
println!("{}", key_pair.serialize_pem());
fs::create_dir_all("certs/")?;
fs::write("certs/cert.pem", pem_serialized.as_bytes())?;
fs::write("certs/cert.der", der_serialized)?;
fs::write("certs/key.pem", key_pair.serialize_pem().as_bytes())?;
fs::write("certs/key.der", key_pair.serialize_der())?;
Ok(())
}
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