As identified in: Qian Guo, Thomas Johansson, Alexander Nilsson. A
key-recovery timing attack on post-quantum primitives using the
Fujisaki-Okamoto transformation and its application on FrodoKEM. In
CRYPTO 2020.
Based on
155c24c3df
* fix prototypes for sphincs and static functions in aes.c
* fix missing prototypes in all frodo variants
* fix missing prototypes in kyber
* remove const from non-pointer arguments in Frodo
* add missing prototypes to requirements in README