btrfs-progs/crypto/hash.h

#ifndef CRYPTO_HASH_H
#define CRYPTO_HASH_H

#include "../kerncompat.h"

#define CRYPTO_HASH_SIZE_MAX	32

int hash_crc32c(const u8 *buf, size_t length, u8 *out);
int hash_xxhash(const u8 *buf, size_t length, u8 *out);
int hash_sha256(const u8 *buf, size_t length, u8 *out);
int hash_blake2b(const u8 *buf, size_t length, u8 *out);
int hash_hmac_sha256(struct btrfs_fs_info *fs_info, const u8 *buf,
		     size_t length, u8 *out);

#endif