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2ea97746 CE |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
5 | /* Copyright (c) Jeremy Harris 1995 - 2018 */ | |
6 | /* See the file NOTICE for conditions of use and distribution. */ | |
7 | ||
8 | /* Signing and hashing routine selection for PDKIM */ | |
9 | ||
10 | #include "../exim.h" | |
11 | #include "../sha_ver.h" | |
12 | ||
13 | ||
14 | #ifdef USE_GNUTLS | |
15 | # include <gnutls/gnutls.h> | |
16 | ||
17 | # if GNUTLS_VERSION_NUMBER >= 0x030000 | |
18 | # define SIGN_GNUTLS | |
19 | # if GNUTLS_VERSION_NUMBER >= 0x030600 | |
20 | # define SIGN_HAVE_ED25519 | |
21 | # endif | |
22 | # else | |
23 | # define SIGN_GCRYPT | |
24 | # endif | |
25 | ||
26 | #else | |
27 | # define SIGN_OPENSSL | |
28 | # if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10101000L | |
29 | # define SIGN_HAVE_ED25519 | |
30 | # endif | |
31 | ||
32 | #endif | |
33 |