@misc{cryptoeprint:2013:853, author = {Alex Biryukov and Vesselin Velichkov}, title = {Automatic Search for Differential Trails in ARX Ciphers (Extended Version)}, howpublished = {Cryptology ePrint Archive, Report 2013/853}, year = {2013}, url = {https://eprint.iacr.org/2013/853}, }