X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdigest.c;h=4ef98cd818c57430cbf63caed1cb149acf5fbec8;hb=8c10a4131f19dc27b0bc56ef48ae481d1fa03cb0;hp=251e593bc74a63d7d3e665159dc80c8ed8f9165d;hpb=e8689a4753ca2b1665e131cc40217da6c033ebd3;p=tinc

diff --git a/src/digest.c b/src/digest.c
index 251e593b..4ef98cd8 100644
--- a/src/digest.c
+++ b/src/digest.c
@@ -1,6 +1,6 @@
 /*
-    digest.c -- Digest handling
-    Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
+    digest.c -- stub digest handling functions
+    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
@@ -12,120 +12,28 @@
     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.
 */
 
 #include "system.h"
 
 #include "digest.h"
+#include "xalloc.h"
 
-static struct {
-	const char *name,
-	enum gcry_md_algos algo,
-	int nid,
-} digesttable[] = {
-	{"none", GCRY_MD_NONE, 0},
-	{"sha1", GCRY_MD_SHA1, 64},
-	{"sha256", GCRY_MD_SHA256, 672},
-	{"sha384", GCRY_MD_SHA384, 673},
-	{"sha512", GCRY_MD_SHA512, 674},
-};
-
-static bool nidtodigest(int nid, enum gcry_md_algos *algo) {
-	int i;
-
-	for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) {
-		if(nid == digesttable[i].nid) {
-			*algo = digesttable[i].algo;
-			return true;
-		}
-	}
-
-	return false;
-}
-
-static bool digesttonid(enum gcry_md_algos algo, int *nid) {
-	int i;
+#ifndef DISABLE_LEGACY
 
-	for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) {
-		if(algo == digesttable[i].algo) {
-			*nid = digesttable[i].nid;
-			return true;
-		}
-	}
-
-	return false;
+digest_t *digest_alloc(void) {
+	return xzalloc(sizeof(digest_t));
 }
 
-static bool digest_open(digest_t *digest, int algo) {
-	if(!digesttonid(algo, &digest->nid)) {
-		logger(LOG_DEBUG< _("Digest %d has no corresponding nid!"), algo);
-		return false;
+void digest_free(digest_t **digest) {
+	if(digest && *digest) {
+		digest_close(*digest);
+		free(*digest);
+		*digest = NULL;
 	}
-
-	digest->len = gcry_md_get_algo_dlen(algo);
-
-	return true;
-}
-
-bool digest_open_by_name(digest_t *digest, const char *name) {
-	int algo;
-
-	if(!nametodigest(name, &algo)) {
-		logger(LOG_DEBUG, _("Unknown digest name '%s'!"), name);
-		return false;
-	}
-
-	return digest_open(digest, algo);
-}
-
-bool digest_open_by_nid(digest_t *digest, int nid) {
-	int algo;
-
-	if(!nidtodigest(nid, &algo)) {
-		logger(LOG_DEBUG, _("Unknown digest ID %d!"), nid);
-		return false;
-	}
-
-	return digest_open(digest, algo, mode);
-}
-
-bool digest_open_sha1(digest_t *digest) {
-	return digest_open(digest, GCRY_MD_SHA1);
-}
-
-void digest_close(digest_t *digest) {
-}
-
-bool digest_create(digest_t *digest, void *indata, size_t inlen, void *outdata) {
-	gcry_error_t err;
-
-	if((err = gcry_md_hash_buffer(digest->algo, outdata, indata, inlen))) {
-		logger(LOG_ERR, _("Error while creating digest!"));
-		return false;
-	}
-
-	*outlen = digest->len;
-	return true;
-}
-
-bool digest_verify(digest_t *digest, void *indata, size_t inlen, void *cmpdata) {
-	gcry_error_t err;
-	char outdata[digest->len];
-
-	if((err = gcry_md_hash_buffer(digest->algo, outdata, indata, inlen))) {
-		logger(LOG_ERR, _("Error while creating digest!"));
-		return false;
-	}
-
-	return !memcmp(indata, outdata, digest->len);
-}
-
-int digest_get_nid(digest_t *digest) {
-	return digest->nid;
 }
 
+#endif // DISABLE_LEGACY