There is a serious problem with one of the assumptions made in the security proof of the SURF scheme. This problem turns out to be easy in the regime of parameters needed for the SURF scheme to work. We give afterwards the old version of the paper for the reader's convenience.
- Pub Date:
- June 2017
- Computer Science - Cryptography and Security
- Warning : we found a serious problem in the security proof of the SURF scheme. We explain this problem here and give the old version of the paper afterwards