accepted small-subgroup point (0,1) on SECT163K1
d=1 status=ok info=000000000000000000000000000000000000000000
d=2 status=err info=Error computing shared key.
d=3 status=ok info=000000000000000000000000000000000000000000
d=4 status=err info=Error computing shared key.
leakage demonstrated: ECDH outcome reveals private key mod 2