KCF_MAXDIGEST
{KCF_MAXDIGEST, kcf_digest_mechs_tab},
kcf_mech_entry_t kcf_digest_mechs_tab[KCF_MAXDIGEST];
#define KCF_MAXMECHS KCF_MAXDIGEST + KCF_MAXCIPHER + KCF_MAXMAC + \