* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Jeremy Harris 2017 */
+/* Copyright (c) Jeremy Harris 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* Signing and hashing routine selection for PDKIM */
#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