X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fopenssl%2Fcipher.h;h=c9f89eb5e95612bfd4dd28478d6d66cc1e416771;hb=e70b5b5bd77bb66e8dd324c17d86d9bff151aa82;hp=d17e25455daec4222a1864591223f4674f094b86;hpb=1fd1d5bd9330e02ab5dc32ad027f654ff2620099;p=tinc

diff --git a/src/openssl/cipher.h b/src/openssl/cipher.h
index d17e2545..c9f89eb5 100644
--- a/src/openssl/cipher.h
+++ b/src/openssl/cipher.h
@@ -1,6 +1,6 @@
 /*
     cipher.h -- header file cipher.c
-    Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2007-2012 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
@@ -12,11 +12,9 @@
     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_CIPHER_H__
@@ -24,12 +22,14 @@
 
 #include <openssl/evp.h>
 
+#define CIPHER_MAX_BLOCK_SIZE EVP_MAX_BLOCK_LENGTH
+#define CIPHER_MAX_KEY_SIZE EVP_MAX_KEY_LENGTH
+#define CIPHER_MAX_IV_SIZE EVP_MAX_IV_LENGTH
+
 typedef struct cipher {
 	EVP_CIPHER_CTX ctx;
 	const EVP_CIPHER *cipher;
-	char *key;
-	uint16_t keylen;
-	uint16_t blklen;
+	struct cipher_counter *counter;
 } cipher_t;
 
 extern bool cipher_open_by_name(cipher_t *, const char *);
@@ -37,12 +37,13 @@ extern bool cipher_open_by_nid(cipher_t *, int);
 extern bool cipher_open_blowfish_ofb(cipher_t *);
 extern void cipher_close(cipher_t *);
 extern size_t cipher_keylength(const cipher_t *);
-extern void cipher_get_key(const cipher_t *, void *);
 extern bool cipher_set_key(cipher_t *, void *, bool);
 extern bool cipher_set_key_from_rsa(cipher_t *, void *, size_t, bool);
-extern bool cipher_regenerate_key(cipher_t *, bool);
+extern bool cipher_set_counter(cipher_t *, const void *, size_t);
+extern bool cipher_set_counter_key(cipher_t *, void *);
 extern bool cipher_encrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool);
 extern bool cipher_decrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool);
+extern bool cipher_counter_xor(cipher_t *, const void *indata, size_t inlen, void *outdata);
 extern int cipher_get_nid(const cipher_t *);
 extern bool cipher_active(const cipher_t *);