ctx = mp_obj;
ctx->nitrox_chain = get_crypto_chain_order(xform);
switch (ctx->nitrox_chain) {
+ case NITROX_CHAIN_CIPHER_ONLY:
+ cipher_xform = &xform->cipher;
+ break;
case NITROX_CHAIN_CIPHER_AUTH:
cipher_xform = &xform->cipher;
auth_xform = &xform->next->auth;