Expansions: add ${sha3:<string>} item
[exim.git] / src / src / sha_ver.h
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
21 # if GNUTLS_VERSION_NUMBER >= 0x030500
22 # define EXIM_HAVE_SHA3
23 # endif
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