So what treats do we have for you this time ? We have two invited papers. The first is on the random number generator which was presented at the Rump Session of EuroCrypt 2006 in St Petersburg; whilst the second is the hash function song from the Rump Session of Crypto 2007. Along with these we have a submission from Dan Brown on a new branch of provable security called sketchable security, in which proof sketches are put on a rigorous foundation. Finally we have a submission which explains a modern technique behind data protection for large organizations.