X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/d5b80e59458182b2d557a929a18cb8c70cd56b68..1d28cc061677bd07d9bed48dd84bd5c590247043:/src/src/pdkim/crypt_ver.h

diff --git a/src/src/pdkim/crypt_ver.h b/src/src/pdkim/crypt_ver.h
index 439d99b3a..56ae236c1 100644
--- a/src/src/pdkim/crypt_ver.h
+++ b/src/src/pdkim/crypt_ver.h
@@ -2,8 +2,9 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) Jeremy Harris 2016 */
+/* Copyright (c) Jeremy Harris 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* Signing and hashing routine selection for PDKIM */
 
@@ -14,13 +15,20 @@
 #ifdef USE_GNUTLS
 # include <gnutls/gnutls.h>
 
-# if GNUTLS_VERSION_NUMBER >= 0x30000
+# if GNUTLS_VERSION_NUMBER >= 0x030000
 #  define SIGN_GNUTLS
+#  if GNUTLS_VERSION_NUMBER >= 0x030600
+#   define SIGN_HAVE_ED25519
+#  endif
 # else
 #  define SIGN_GCRYPT
 # endif
+#endif
 
-#else
+#ifdef USE_OPENSSL
 # define SIGN_OPENSSL
+# if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10101000L
+#  define SIGN_HAVE_ED25519
+# endif
 #endif