crypto_get_mech_list
entries = crypto_get_mech_list(&count, KM_SLEEP);
mechs = crypto_get_mech_list(&mech_count, KM_SLEEP);
mechs = crypto_get_mech_list(&mech_count, KM_SLEEP);
extern crypto_mech_name_t *crypto_get_mech_list(uint_t *count, int kmflag);