ed448

ecdsa: use `MulByGeneratorVartime` for public key recovery (#1410) #1248

Job	Run time
test (stable)	18s
build (thumbv7em-none-eabi, stable)	17s
build (thumbv7em-none-eabi, 1.85.0)	19s
build (wasm32-unknown-unknown, 1.85.0)	18s
build (wasm32-unknown-unknown, stable)	18s
test (1.85.0)	17s
	1m 47s

Provide feedback