Steve Babbage Carlos Cid Norbert Pramstaller Håvard Raddum An Analysis of the Hermes8 Stream Ciphers. 1-10 2007 conf/acisp/2007 ACISP http://dx.doi.org/10.1007/978-3-540-73458-1_1 db/conf/acisp/acisp2007.html#BabbageCPR07