ge25519_base.S: Kaushik Nath 
fe25519_{mul,freeze,dense_pack}.S: Kaushik Nath
ge25519_10l_dense_base_niels.data (generated from the amd64-64-24k implementation): Kaushik Nath
nG.c: D. J. Bernstein
other code: see amd64-64-24k
