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/*************************************************
* 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
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