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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
0fe5f3c5 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2016 Lennart Poettering | |
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8 | ***/ |
9 | ||
10 | #include <inttypes.h> | |
11 | #include <sys/types.h> | |
12 | #include <sys/uio.h> | |
13 | ||
14 | #include "macro.h" | |
15 | ||
16 | typedef struct khash khash; | |
17 | ||
09b9348e LP |
18 | int khash_supported(void); |
19 | ||
0fe5f3c5 | 20 | /* For plain hash functions. Hash functions commonly supported on today's kernels are: crc32c, crct10dif, crc32, |
13e785f7 | 21 | * sha224, sha256, sha512, sha384, sha1, md5, md4, sha3-224, sha3-256, sha3-384, sha3-512, and more. */ |
0fe5f3c5 LP |
22 | int khash_new(khash **ret, const char *algorithm); |
23 | ||
24 | /* For keyed hash functions. Hash functions commonly supported on today's kernels are: hmac(sha256), cmac(aes), | |
25 | * cmac(des3_ede), hmac(sha3-512), hmac(sha3-384), hmac(sha3-256), hmac(sha3-224), hmac(rmd160), hmac(rmd128), | |
26 | * hmac(sha224), hmac(sha512), hmac(sha384), hmac(sha1), hmac(md5), and more. */ | |
27 | int khash_new_with_key(khash **ret, const char *algorithm, const void *key, size_t key_size); | |
28 | ||
29 | int khash_dup(khash *h, khash **ret); | |
30 | khash* khash_unref(khash *h); | |
31 | ||
32 | const char *khash_get_algorithm(khash *h); | |
33 | size_t khash_get_size(khash *h); | |
34 | ||
35 | int khash_reset(khash *h); | |
36 | ||
37 | int khash_put(khash *h, const void *buffer, size_t size); | |
38 | int khash_put_iovec(khash *h, const struct iovec *iovec, size_t n); | |
39 | ||
40 | int khash_digest_data(khash *h, const void **ret); | |
41 | int khash_digest_string(khash *h, char **ret); | |
42 | ||
43 | DEFINE_TRIVIAL_CLEANUP_FUNC(khash*, khash_unref); |