X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fcipher.h;h=c586fffb787f0f1cf132f70a2da3ddac5ffe6b10;hb=45063953fd3f2c25c7f8cc65860b32a35b3ba80e;hp=522d7fb757b491af33c8f3a4c4a231bcb5772f75;hpb=e8689a4753ca2b1665e131cc40217da6c033ebd3;p=tinc

diff --git a/src/cipher.h b/src/cipher.h
index 522d7fb7..c586fffb 100644
--- a/src/cipher.h
+++ b/src/cipher.h
@@ -1,6 +1,6 @@
 /*
     cipher.h -- header file cipher.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
@@ -12,33 +12,35 @@
     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__
 #define __TINC_CIPHER_H__
 
-#include <gcrypt.h>
-
-typedef struct cipher {
-	gcry_cipher_hd_t handle;
-	char *key;
-	int nid;
-	uint16_t keylen;
-	uint16_t blklen;
-} cipher_t;
-
-bool cipher_open_by_name(struct cipher *, const char *);
-bool cipher_open_by_nid(struct cipher *, int);
-bool cipher_open_blowfish_ofb(struct cipher *);
-void cipher_close(struct cipher *);
-bool cipher_regenerate_key(struct cipher *);
-bool cipher_encrypt(struct cipher *, void *indata, size_t inlen, void *outdata, size_t *outlen);
-bool cipher_decrypt(struct cipher *, void *indata, size_t inlen, void *outdata, size_t *outlen);
-int cipher_get_nid(struct cipher *);
+#define CIPHER_MAX_BLOCK_SIZE 32
+#define CIPHER_MAX_IV_SIZE 16
+#define CIPHER_MAX_KEY_SIZE 32
+
+typedef struct cipher cipher_t;
+
+extern cipher_t *cipher_open_by_name(const char *) __attribute__ ((__malloc__));
+extern cipher_t *cipher_open_by_nid(int) __attribute__ ((__malloc__));
+extern cipher_t *cipher_open_blowfish_ofb(void) __attribute__ ((__malloc__));
+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_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 oneshot);
+extern bool cipher_decrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot);
+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 *);
+
 
 #endif