X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdigest.h;h=9fb12483d4ca3cae664fd49d781964b36da7e754;hb=bcac314fe2d758e85335d499dbb4300bfa8a599e;hp=80bdf6f474b9dd162154917b77c3e3fe69fcd7d3;hpb=e8689a4753ca2b1665e131cc40217da6c033ebd3;p=tinc

diff --git a/src/digest.h b/src/digest.h
index 80bdf6f4..9fb12483 100644
--- a/src/digest.h
+++ b/src/digest.h
@@ -1,6 +1,9 @@
+#ifndef TINC_DIGEST_H
+#define TINC_DIGEST_H
+
 /*
     digest.h -- header file digest.c
-    Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2007-2016 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -12,29 +15,41 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id$
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_DIGEST_H__
-#define __TINC_DIGEST_H__
+#include "system.h"
 
-#include <gcrypt.h>
+#define DIGEST_MAX_SIZE 64
+#define DIGEST_ALGO_SIZE ((size_t) -1)
 
-typedef struct digest {
-	enum gcry_md_algos algo;
-	int nid;
-	uint16_t len;
-} digest_t;
-
-bool digest_open_by_name(struct digest_t *, const char *);
-bool digest_open_by_nid(struct digest_t *, int);
-bool digest_open_sha1(struct digest_t *);
-bool digest_create(struct digest_t *, void *indata, size_t inlen, void *outdata, size_t *outlen);
-bool digest_verify(struct digest_t *, void *indata, size_t inlen, void *digestdata, size_t digestlen);
-int digest_get_nid(struct digest_t *);
+#ifndef DISABLE_LEGACY
 
+#ifdef HAVE_OPENSSL
+#include "openssl/digest.h"
+#elif HAVE_LIBGCRYPT
+#include "gcrypt/digest.h"
+#else
+#error Incorrect cryptographic library, please reconfigure.
 #endif
+
+typedef struct digest digest_t;
+
+extern bool digest_open_by_name(digest_t *digest, const char *name, size_t maclength);
+extern bool digest_open_by_nid(digest_t *digest, int nid, size_t maclength);
+extern digest_t *digest_alloc() __attribute__((__malloc__));
+extern void digest_free(digest_t **digest);
+extern void digest_close(digest_t *digest);
+extern bool digest_create(digest_t *digest, const void *indata, size_t inlen, void *outdata) __attribute__((__warn_unused_result__));
+extern bool digest_verify(digest_t *digest, const void *indata, size_t inlen, const void *digestdata) __attribute__((__warn_unused_result__));
+extern bool digest_set_key(digest_t *digest, const void *key, size_t len) __attribute__((__warn_unused_result__));
+extern int digest_get_nid(const digest_t *digest);
+extern size_t digest_keylength(const digest_t *digest);
+extern size_t digest_length(const digest_t *digest);
+extern bool digest_active(const digest_t *digest);
+
+#endif // DISABLE_LEGACY
+
+#endif // TINC_DIGEST_H