This is the camera-ready version of the paper, as accepted for the post-proceedings of the IFIP Summer School. The published version is available from SpringerLink. Its BibTeX entry is:
@inproceedings{PPACinPubFS,
title={Privacy-Preserving Access Control in Publicly Readable Storage
Systems},
author={Bosk, Daniel
and Buchegger, Sonja},
editor={Aspinall, David
and Camenisch, Jan
and Hansen, Marit
and Fischer-H{\"u}bner, Simone
and Raab, Charles},
booktitle={Privacy and Identity Management. Time for a Revolution? 10th IFIP
WG 9.2, 9.5, 9.6/11.7, 11.4, 11.6/SIG 9.2.2 International Summer School,
Edinburgh, UK, August 16-21, 2015, Revised Selected Papers},
year={2016},
publisher={Springer International Publishing},
address={Cham},
pages={327--342},
isbn={978-3-319-41763-9},
doi={10.1007/978-3-319-41763-9_22},
url={http://github.com/dbosk/anobe/},
}