openssl dgst -mac magma-mac -macopt hexkey:ffeeddccbbaa99887766554433221100f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff magma.dat
154e7210

openssl dgst -mac grasshopper-mac -macopt hexkey:8899aabbccddeeff0011223344556677fedcba98765432100123456789abcdef gh.dat 
336f4d296059fbe3
