1/*
2 * ntp_md5.h: deal with md5.h headers
3 *
4 * Use the system MD5 if available, otherwise libisc's.
5 */
6#ifndef NTP_MD5_H
7#define NTP_MD5_H
8
9#ifdef OPENSSL
10# include "openssl/evp.h"
11#else	/* !OPENSSL follows */
12/*
13 * Provide OpenSSL-alike MD5 API if we're not using OpenSSL
14 */
15# if defined HAVE_MD5_H && defined HAVE_MD5INIT
16#  include <md5.h>
17# else
18#  include "isc/md5.h"
19   typedef isc_md5_t		MD5_CTX;
20#  define MD5Init(c)		isc_md5_init(c)
21#  define MD5Update(c, p, s)	isc_md5_update(c, p, s)
22#  define MD5Final(d, c)	isc_md5_final((c), (d))	/* swapped */
23# endif
24
25  typedef MD5_CTX			EVP_MD_CTX;
26# define EVP_get_digestbynid(t)		NULL
27# define EVP_md5()			NULL
28# define EVP_MD_CTX_init(c)
29# define EVP_MD_CTX_set_flags(c, f)
30# define EVP_DigestInit(c, dt)		(MD5Init(c), 1)
31# define EVP_DigestInit_ex(c, dt, i)	(MD5Init(c), 1)
32# define EVP_DigestUpdate(c, p, s)	MD5Update(c, (const void *)(p), \
33						  s)
34# define EVP_DigestFinal(c, d, pdl)	\
35	do {				\
36		MD5Final((d), (c));	\
37		*(pdl) = 16;		\
38	} while (0)
39# endif	/* !OPENSSL */
40#endif	/* NTP_MD5_H */
41