@misc{cryptoeprint:2017:086, author = {David Derler and Sebastian Ramacher and Daniel Slamanig}, title = {Homomorphic Proxy Re-Authenticators and Applications to Verifiable Multi-User Data Aggregation}, howpublished = {Cryptology ePrint Archive, Report 2017/086}, year = {2017}, url = {https://eprint.iacr.org/2017/086}, }