nx_gcm_rctx
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
crypto_aead_set_reqsize(tfm, sizeof(struct nx_gcm_rctx));