Expansions: add ${sha3:<string>} item
[exim.git] / src / src / sha_ver.h
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) Jeremy Harris 2016 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* SHA routine selection */
9
10#include "exim.h"
11
12#ifdef SUPPORT_TLS
13
14# define EXIM_HAVE_SHA2
15
16# ifdef USE_GNUTLS
17# include <gnutls/gnutls.h>
18
19# if GNUTLS_VERSION_NUMBER >= 0x020a00
20# define SHA_GNUTLS
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21# if GNUTLS_VERSION_NUMBER >= 0x030500
22# define EXIM_HAVE_SHA3
23# endif
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24# else
25# define SHA_GCRYPT
26# endif
27
28# else
29# define SHA_OPENSSL
30# endif
31
32#else
33# define SHA_NATIVE
34#endif
35