OpenSSL::X509::CertificateError when signing #1691

require 'openssl'

context = OpenSSL::SSL::SSLContext.new
context.verify_mode = OpenSSL::SSL::VERIFY_NONE

context.key             = OpenSSL::PKey::RSA.new( 2048 )
context.cert            = OpenSSL::X509::Certificate.new
context.cert.subject    = OpenSSL::X509::Name.new( [['CN', 'localhost']] )
context.cert.issuer     = context.cert.subject
context.cert.public_key = context.key
context.cert.not_before = Time.now
context.cert.not_after  = Time.now + 60 * 60 * 24

context.cert.sign( context.key, OpenSSL::Digest::SHA1.new )