MGF1_SHA_CASE
MGF1_SHA_CASE(224, maskgenalg);
MGF1_SHA_CASE(256, maskgenalg);
MGF1_SHA_CASE(384, maskgenalg);
MGF1_SHA_CASE(512, maskgenalg);
MGF1_SHA_CASE(512_224, maskgenalg);
MGF1_SHA_CASE(512_256, maskgenalg);