X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdigest.h;h=dba6ee4402ca60bec351c4b7abedc387d433833d;hb=b13e1a3c1f7252cda5ab95166d9f2d578983471f;hp=dd9029e7dae9c5865bb985bf478e777bf932cf40;hpb=f42e57f663a2663c830c4fb4c01927c2d3c89c09;p=tinc

diff --git a/src/digest.h b/src/digest.h
index dd9029e7..dba6ee44 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) 2007-2022 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 +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 {
-	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 *);
+#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(void) __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