# https://gist.github.com/nickyp/886884
require 'openssl'
key = OpenSSL::PKey::RSA.new(1024)
public_key = key.public_key
subject = "/C=BE/O=Test/OU=Test/CN=Test"
cert = OpenSSL::X509::Certificate.new
cert.subject = cert.issuer = OpenSSL::X509::Name.parse(subject)
cert.not_before = Time.now
cert.not_after = Time.now + 365 * 24 * 60 * 60
cert.public_key = public_key
cert.serial = 0x0
cert.version = 2
ef = OpenSSL::X509::ExtensionFactory.new
ef.subject_certificate = cert
ef.issuer_certificate = cert
cert.extensions = [
ef.create_extension("basicConstraints","CA:TRUE", true),
ef.create_extension("subjectKeyIdentifier", "hash"),
]
cert.add_extension ef.create_extension("authorityKeyIdentifier", "keyid:always,issuer:always")
cert.sign key, OpenSSL::Digest::SHA1.new
puts cert.to_pem
Comments