The microblog: 2018.11.01 01:28:37

2018.11.01 01:28:37 (1057791485016526848) from Daniel J. Bernstein:

Wow: Inoue and Minematsu announce a fast attack breaking OCB2. OCB2 appeared at Asiacrypt 2004; advertised provable security; is a current ISO standard. OCB3 seems safe, and Rogaway has been recommending OCB3 for years, but the OCB2 story is terrifying.