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md5.h
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1/*
2 * SPDX-FileCopyrightText: 2003-2005 by Christopher R. Hertel
3 * SPDX-FileCopyrightText: 2015 Freie Universität Berlin
4 * SPDX-License-Identifier: LGPL-2.1-or-later
5 */
6
7#pragma once
8
42
43#include <stdint.h>
44#include <string.h>
45
46#ifdef __cplusplus
47extern "C" {
48#endif
49
53#define MD5_DIGEST_LENGTH (16U)
54
58typedef struct {
59 uint32_t len;
60 uint32_t abcd[4];
61 int b_used;
62 uint8_t block[64];
63} md5_ctx_t;
64
81void md5_init(md5_ctx_t *ctx);
82
90void md5_update(md5_ctx_t *ctx, const void *data, size_t len);
91
98void md5_final(md5_ctx_t *ctx, void *digest);
99
107void md5(void *digest, const void *data, size_t len);
108
109#ifdef __cplusplus
110}
111#endif
112
md5
void md5(void *digest, const void *data, size_t len)
Calculate a MD5 hash from the given data.
md5_init
void md5_init(md5_ctx_t *ctx)
Initialize the MD5 calculation context.
md5_update
void md5_update(md5_ctx_t *ctx, const void *data, size_t len)
Build an MD5 Message Digest within the given context.
md5_final
void md5_final(md5_ctx_t *ctx, void *digest)
Finish up the current MD5 hash calculation generate the final hash.
md5_ctx_t
MD5 calculation context.
Definition md5.h:58
md5_ctx_t::block
uint8_t block[64]
one block is calculated at a time
Definition md5.h:62
md5_ctx_t::len
uint32_t len
overall number of bytes processed
Definition md5.h:59
md5_ctx_t::b_used
int b_used
number of bytes used in the current block
Definition md5.h:61
md5_ctx_t::abcd
uint32_t abcd[4]
virtual registers for hash calculation
Definition md5.h:60