Line data    Source code

       1             : /* SPDX-License-Identifier: LGPL-2.1+ */
       2             : #pragma once
       3             : 
       4             : #include <inttypes.h>
       5             : #include <sys/types.h>
       6             : #include <sys/uio.h>
       7             : 
       8             : #include "macro.h"
       9             : 
      10             : typedef struct khash khash;
      11             : 
      12             : int khash_supported(void);
      13             : 
      14             : /* For plain hash functions. Hash functions commonly supported on today's kernels are: crc32c, crct10dif, crc32,
      15             :  * sha224, sha256, sha512, sha384, sha1, md5, md4, sha3-224, sha3-256, sha3-384, sha3-512, and more. */
      16             : int khash_new(khash **ret, const char *algorithm);
      17             : 
      18             : /* For keyed hash functions. Hash functions commonly supported on today's kernels are: hmac(sha256), cmac(aes),
      19             :  * cmac(des3_ede), hmac(sha3-512), hmac(sha3-384), hmac(sha3-256), hmac(sha3-224), hmac(rmd160), hmac(rmd128),
      20             :  * hmac(sha224), hmac(sha512), hmac(sha384), hmac(sha1), hmac(md5), and more. */
      21             : int khash_new_with_key(khash **ret, const char *algorithm, const void *key, size_t key_size);
      22             : 
      23             : int khash_dup(khash *h, khash **ret);
      24             : khash* khash_unref(khash *h);
      25             : 
      26             : const char *khash_get_algorithm(khash *h);
      27             : size_t khash_get_size(khash *h);
      28             : 
      29             : int khash_reset(khash *h);
      30             : 
      31             : int khash_put(khash *h, const void *buffer, size_t size);
      32             : int khash_put_iovec(khash *h, const struct iovec *iovec, size_t n);
      33             : 
      34             : int khash_digest_data(khash *h, const void **ret);
      35             : int khash_digest_string(khash *h, char **ret);
      36             : 
      37          14 : DEFINE_TRIVIAL_CLEANUP_FUNC(khash*, khash_unref);