chacha_keysetup
chacha_keysetup(&rsx->rs_chacha, buf, KEYSZ * 8);
static inline void chacha_keysetup(struct chacha_ctx *x, const u8 *k, u32 kbits)
chacha_keysetup((chacha_ctx *)ctx, key, keybits);
chacha_keysetup(&ctx, key, 256);
chacha_keysetup(&chacha, bytes, KEYSZ * 8);
chacha_keysetup(&chacha_ctx, key, CHACHA20POLY1305_KEY_SIZE * 8);
chacha_keysetup(&chacha_ctx, key, CHACHA20POLY1305_KEY_SIZE * 8);
chacha_keysetup((chacha_ctx *)&ctx->block, key, CHACHA20_KEYSIZE * 8);
chacha_keysetup((chacha_ctx *)&ctx->chacha, key, CHACHA20_KEYSIZE * 8);
chacha_keysetup(&rs, buf, KEYSZ * 8);
chacha_keysetup(ctx, keybuf, KEYSZ * 8);
void chacha_keysetup(struct chacha_ctx *x, const u_char *k, u_int kbits)
chacha_keysetup(&ctx->main_ctx, key, 256);
chacha_keysetup(&ctx->header_ctx, key + 32, 256);