3 ms·And djb's implementations of Ed25519, Curve25519 use this exact radix 2^51 trick.by cirno 6y agoAnd djb's implementations of Ed25519, Curve25519 use this exact radix 2^51 trick.mratsim 6y agoActually on 32-bit it uses a 2^25.5 radix, some are 2^26-bit limbs and others are 2^25.cirno 6y agoI was meaning on 64-bit, but it's good to clarify that, thank you.