sm4

Move `gift` to `gift-cipher` and `speck` to `speck-cipher` (#554) #1005

Job	Run time
test (1.85.0)	23s
build (stable, wasm32-unknown-unknown)	11s
minimal-versions / minimal-versions	30s
test (stable)	13s
build (1.85.0, thumbv7em-none-eabi)	19s
build (stable, thumbv7em-none-eabi)	16s
build (1.85.0, wasm32-unknown-unknown)	17s
	2m 9s

Provide feedback