crypto_newsession
error = crypto_newsession(&sav->tdb_cryptoid,
return crypto_newsession(&sav->tdb_cryptoid, cr, crypto_support);
ses = crypto_newsession(&sav->tdb_cryptoid, &cric, crypto_support);
error = crypto_newsession(&sid, crihead, crypto_devallowsoft);
extern int crypto_newsession(uint64_t *sid, struct cryptoini *cri, int hard);