ghash_final
ghash_final(&ghash, out);
void ghash_final(struct ghash_ctx *ctx, u8 out[GHASH_BLOCK_SIZE]);
ghash_final(&ctx, out);
ghash_final(&ghash, ghash_out);
EXPORT_SYMBOL_GPL(ghash_final);
#define HASH_FINAL ghash_final
ghash_final(&hashofhashes_ctx, hash);