Certificate Signing Request with Authentication Credentials

PKCS #10 ( RFC 2986 ) certificate signing request (X509_REQ) typically contains at minimum the subject and the public key to be signed into a X.509 certificate issued by a certificate authority (CA). Here is an example of what I send to Let's Encrypt: $ openssl asn1parse -item X509_REQ -in worship.likai.org.csr X509_REQ: req_info: version: 0 subject: CN=worship.likai.org pubkey: X509_PUBKEY:…