This book constitutes the refereed proceedings of the 5th International Workshop on Applied
Reconfigurable Computing ARC 2009 held in Karlsruhe Germany in March 2009. The 21 full
papers and 21 short papers presented together with the abstracts of 3 keynote lectures were
carefully reviewed and selected from about 100 submissions. The papers are organized in topical
sections on FPGA security and bitstream analysis fault tolerant systems architectures place
and route techniques cryptography and resource allocation and scheduling as well as on
applications.