lrw_tfm_ctx
const struct lrw_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
const struct lrw_tfm_ctx *ctx =
struct lrw_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
struct lrw_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
inst->alg.base.cra_ctxsize = sizeof(struct lrw_tfm_ctx);
struct lrw_tfm_ctx *ctx = crypto_skcipher_ctx(parent);