md5.h File Reference

MD5 hash implementation and interface functions. More...

#include <stdint.h>
#include <sys/types.h>
#include <unistd.h>

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Macros
#define	MD5_MAC_LEN   16
#define	hmac_md5(key, key_len, data, data_len, mac)    edge_hmac_md5((key), (key_len), (data), (data_len), (mac))

Functions
int	edge_hmac_md5 (const uint8_t *key, size_t key_len, const uint8_t *data, size_t data_len, uint8_t *mac)

Detailed Description

MD5 hash implementation and interface functions.

Author

Jouni Malinen

Macro Definition Documentation

hmac_md5

#define hmac_md5	(		key,
			key_len,
			data,
			data_len,
			mac
	)		edge_hmac_md5((key), (key_len), (data), (data_len), (mac))

MD5_MAC_LEN

#define MD5_MAC_LEN   16

Function Documentation

edge_hmac_md5()

int edge_hmac_md5	(	const uint8_t *	key,
		size_t	key_len,
		const uint8_t *	data,
		size_t	data_len,
		uint8_t *	mac
	)

HMAC-MD5 over data buffer (RFC 2104)

Parameters

	key	Key for HMAC operations
	key_len	Length of the key in bytes
	data	Pointers to the data area
	data_len	Length of the data area
[out]	mac	Buffer for the hash (16 bytes)

Return values

0	on success
-1	on failure

Author

Jouni Malinen j@w1..nosp@m.fi

Date

2003-2009

Copyright

SPDX-License-Identifier: BSD-3-Clause

Remarks

The source of this code was adapted from hmac_md5() in commit 0a5d68aba50c385e316a30d834d5b6174a4041d2 in src/crypto/md5.c of the hostap project, see https://w1.fi/cgit/hostap/tree/src/crypto/md5.c?id=0a5d68aba50c385e316a30d834d5b6174a4041d2#n98