ge25519_multi_scalarmult_precompute.S: Kaushik Nath
ge25519_multi_scalarmult_process.S: Kaushik Nath
fe25519_mul.S,fe25519_nsquare.S: Kaushik Nath
multiscalar.c: D. J. Bernstein
other code: see amd64-64-24k
