This book constitutes the refereed proceedings of the 11th International Conference on Provable
Security ProvSec 2017 held in Xi'an China in October 2017. The 24 full papers and 5 short
papers presented were carefully reviewed and selected from 76 submissions. The papers are
grouped in topical sections on secure cloud storage and computing digital signature and
authentication authenticated encryption and key exchange security models lattice and
post-quantum cryptography public key encryption and signcryption proxy re-encryption and
functional encryption protocols.
