/* Public domain by Andrew M. <liquidsun@gmail.com> See: https://github.com/floodyberry/curve25519-donna Curve25519 implementation agnostic helpers */ /* * In: b = 2^5 - 2^0 * Out: b = 2^250 - 2^0 */ void curve25519_pow_two5mtwo0_two250mtwo0(bignum25519 b); /* * z^(p - 2) = z(2^255 - 21) */ void curve25519_recip(bignum25519 out, const bignum25519 z); /* * z^((p-5)/8) = z^(2^252 - 3) */ void curve25519_pow_two252m3(bignum25519 two252m3, const bignum25519 z);