1 files changed, 33 insertions, 0 deletions
diff --git a/src/pdkim/crypt_ver.h b/src/pdkim/crypt_ver.h
new file mode 100644
index 0000000..564b66d
--- /dev/null
+++ b/src/pdkim/crypt_ver.h
@@ -0,0 +1,33 @@
+/*************************************************
+*     Exim - an Internet mail transport agent    *
+*************************************************/
+
+/* Copyright (c) Jeremy Harris 1995 - 2018 */
+/* See the file NOTICE for conditions of use and distribution. */
+
+/* Signing and hashing routine selection for PDKIM */
+
+#include "../exim.h"
+#include "../sha_ver.h"
+
+
+#ifdef USE_GNUTLS
+# include <gnutls/gnutls.h>
+
+# if GNUTLS_VERSION_NUMBER >= 0x030000
+#  define SIGN_GNUTLS
+#  if GNUTLS_VERSION_NUMBER >= 0x030600
+#   define SIGN_HAVE_ED25519
+#  endif
+# else
+#  define SIGN_GCRYPT
+# endif
+
+#else
+# define SIGN_OPENSSL
+#  if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10101000L
+#   define SIGN_HAVE_ED25519
+#  endif
+
+#endif
+