p384

ecdsa: add more secp256k1 wycheproof cases #1984

Job	Run time
build (1.73.0, thumbv7em-none-eabi)	36s
cross (armv7-unknown-linux-gnueabihf, 1.73.0)	1m 34s
doc	1m 0s
test (i686-unknown-linux-gnu, 1.73.0, sudo apt update && sudo apt install gcc-multilib)	1m 51s
cross (armv7-unknown-linux-gnueabihf, stable)	1m 30s
test (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 46s
cross (aarch64-unknown-linux-gnu, 1.73.0)	1m 25s
build (1.73.0, wasm32-unknown-unknown)	38s
cross (aarch64-unknown-linux-gnu, stable)	1m 15s
build (stable, thumbv7em-none-eabi)	36s
cross (powerpc-unknown-linux-gnu, 1.73.0)	1m 31s
build (stable, wasm32-unknown-unknown)	37s
cross (powerpc-unknown-linux-gnu, stable)	1m 27s
test (x86_64-unknown-linux-gnu, 1.73.0)	1m 24s
test (x86_64-unknown-linux-gnu, stable)	1m 17s
	18m 27s

Provide feedback