chachapoly_ctx
struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
struct chachapoly_ctx *ctx = crypto_aead_ctx(tfm);
struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
struct chachapoly_ctx *ctx = crypto_aead_ctx(aead);
struct chachapoly_ctx *ctx = crypto_aead_ctx(tfm);
struct chachapoly_ctx *ctx = crypto_aead_ctx(tfm);
inst->alg.base.cra_ctxsize = sizeof(struct chachapoly_ctx) +
struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));