Add stricter checks for netnames.

[tinc] / src / digest.h

diff --git a/src/digest.h b/src/digest.h
index dd9029e..204048a 100644 (file)
--- a/src/digest.h
+++ b/src/digest.h
@@ -1,6 +1,6 @@
 /*
     digest.h -- header file digest.c
-    Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2007-2013 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
@@ -12,32 +12,32 @@
     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 <gcrypt.h>
-
-typedef struct digest {
-       int algo;
-       int nid;
-       uint16_t len;
-} digest_t;
-
-bool digest_open_by_name(struct digest *, const char *);
-bool digest_open_by_nid(struct digest *, int);
-bool digest_open_sha1(struct digest *);
-void digest_close(struct digest *);
-bool digest_create(struct digest *, void *indata, size_t inlen, void *outdata);
-bool digest_verify(struct digest *, void *indata, size_t inlen, void *digestdata);
-int digest_get_nid(const struct digest *);
-size_t digest_length(const struct digest *);
-bool digest_active(const struct digest *);
+#define DIGEST_MAX_SIZE 64
+
+#ifndef DISABLE_LEGACY
+
+typedef struct digest digest_t;
+
+extern digest_t *digest_open_by_name(const char *name, int maclength) __attribute__ ((__malloc__));
+extern digest_t *digest_open_by_nid(int nid, int maclength) __attribute__ ((__malloc__));
+extern digest_t *digest_open_sha1(int maclength) __attribute__ ((__malloc__));
+extern void digest_close(digest_t *);
+extern bool digest_create(digest_t *, const void *indata, size_t inlen, void *outdata) __attribute__ ((__warn_unused_result__));
+extern bool digest_verify(digest_t *, const void *indata, size_t inlen, const void *digestdata) __attribute__ ((__warn_unused_result__));
+extern bool digest_set_key(digest_t *, const void *key, size_t len) __attribute__ ((__warn_unused_result__));
+extern int digest_get_nid(const digest_t *);
+extern size_t digest_keylength(const digest_t *);
+extern size_t digest_length(const digest_t *);
+extern bool digest_active(const digest_t *);
+
+#endif
 
 #endif