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63af6f3a JH |
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 | |
6e773413 JH |
21 | # if GNUTLS_VERSION_NUMBER >= 0x030500 |
22 | # define EXIM_HAVE_SHA3 | |
23 | # endif | |
63af6f3a JH |
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 |