HWAES_set_decrypt_key
ret = HWAES_set_decrypt_key(key, keylen, &dat->ks.ks);
HWAES_set_decrypt_key(key, bits, &xctx->ks1.ks);
HWAES_set_decrypt_key(key, keylen, &octx->ksdec.ks);
int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
ret = HWAES_set_decrypt_key(key, keylen * 8, ks);
OCB_SET_KEY_FN(HWAES_set_encrypt_key, HWAES_set_decrypt_key,
XTS_SET_KEY_FN(HWAES_set_encrypt_key, HWAES_set_decrypt_key,