setup_cipher
ret = setup_cipher(&tfm->base, 0, ctx->enckey, ctx->enckey_len);
ret = setup_cipher(&tfm->base, 1, ctx->enckey, ctx->enckey_len);
ret = setup_cipher(&tfm->base, 0, key, key_len);
ret = setup_cipher(&tfm->base, 1, key, key_len);