code: def get_environ(self):
          
          ssl_environ = {
              'HTTPS': 'on',
              # pyOpenSSL doesn't provide access to any of these AFAICT
              # 'SSL_PROTOCOL': 'SSLv2',
              # SSL_CIPHER    string  The cipher specification name
              # SSL_VERSION_INTERFACE     string  The mod_ssl program version
              # SSL_VERSION_LIBRARY   string  The OpenSSL program version
          }
  
          if self.certificate:
              # Server certificate attributes
              cert = open(self.certificate, 'rb').read()
              cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert)
              ssl_environ.update({
                  'SSL_SERVER_M_VERSION': cert.get_version(),
                  'SSL_SERVER_M_SERIAL': cert.get_serial_number(),
                  # 'SSL_SERVER_V_START':
                  #   Validity of server's certificate (start time),
                  # 'SSL_SERVER_V_END':
                  #   Validity of server's certificate (end time),
              })
  
              for prefix, dn in [
                  ('I', cert.get_issuer()),
                  ('S', cert.get_subject()),
              ]:
                  # X509Name objects don't seem to have a way to get the
                  # complete DN string. Use str() and slice it instead,
                  # because str(dn) == "<X509Name object '/C=US/ST=...'>"
                  dnstr = str(dn)[18:-2]
  
                  wsgikey = 'SSL_SERVER_%s_DN' % prefix
                  ssl_environ[wsgikey] = dnstr
  
                  # The DN should be of the form: /k1=v1/k2=v2, but we must allow
                  # for any value to contain slashes itself (in a URL).
                  while dnstr:
                      pos = dnstr.rfind('=')
                      dnstr, value = dnstr[:pos], dnstr[pos + 1:]
                      pos = dnstr.rfind('/')
                      dnstr, key = dnstr[:pos], dnstr[pos + 1:]
                      if key and value:
                          wsgikey = 'SSL_SERVER_%s_DN_%s' % (prefix, key)
                          ssl_environ[wsgikey] = value
  
          return ssl_environ
docs: Return WSGI environ entries to be merged into each request.