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fletcher32.h
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1/*
2 * SPDX-FileCopyrightText: 2015 Eistec AB
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
19
20#include <stdlib.h>
21#include <stdint.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
30typedef struct {
31 uint32_t sum1;
32 uint32_t sum2;
33} fletcher32_ctx_t;
34
49uint32_t fletcher32(const uint16_t *buf, size_t words);
50
58void fletcher32_init(fletcher32_ctx_t *ctx);
59
71void fletcher32_update(fletcher32_ctx_t *ctx, const void *data, size_t words);
72
80uint32_t fletcher32_finish(fletcher32_ctx_t *ctx);
81
82#ifdef __cplusplus
83}
84#endif
85
fletcher32_finish
uint32_t fletcher32_finish(fletcher32_ctx_t *ctx)
Finalize the checksum operation and return the checksum.
fletcher32_init
void fletcher32_init(fletcher32_ctx_t *ctx)
Initialize a fletcher32 context.
fletcher32
uint32_t fletcher32(const uint16_t *buf, size_t words)
Fletcher's 32 bit checksum.
fletcher32_update
void fletcher32_update(fletcher32_ctx_t *ctx, const void *data, size_t words)
Incrementally update the fletcher32 context with new data.
fletcher32_ctx_t
Fletcher's 32 bit checksum context struct.
Definition fletcher32.h:30
fletcher32_ctx_t::sum2
uint32_t sum2
Second sum of the checksum.
Definition fletcher32.h:32
fletcher32_ctx_t::sum1
uint32_t sum1
First sum of the checksum.
Definition fletcher32.h:31