START
                              |
                              v
                           Send ir
                              | ip
                              v
                         Check status
                         of returned <------------------------+
                            certs                             |
                              |                               |
    +------------------------>|<------------------+           |
    |                         |                   |           |
    |        (issued)         v       (waiting)   |           |
  Add to <----------- Check CertResponse ------> Add to       |
 conf list           for each certificate      pending list   |
                              /                               |
                             /                                |
                (conf list) /     (empty conf list)           |
                           /                     ip           |
                          /                 +-----------------+
   (empty pending list)  /                  |    pollRep
     END <---- Send certConf        Send pollReq---------->Wait
                      |                 ^   ^               |
                      |                 |   |               |
                      +-----------------+   +---------------+
                         (pending list)