X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=cipher%2Fcipher.c;fp=cipher%2Fcipher.c;h=0000000000000000000000000000000000000000;hp=c504b7e76c618891a9a6988ac10e6c701fd595c8;hb=50f2afec7e6dab3d809fc1b82820d1069205b69b;hpb=b33c5f6640e63cc4cd35285367bcb2827b732229

diff --git a/cipher/cipher.c b/cipher/cipher.c
deleted file mode 100644
index c504b7e7..00000000
--- a/cipher/cipher.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
-    cipher.c -- wrapper functions for encryption algorithms
-    Copyright (C) 1999,2000 Ivo Timmermans <zarq@iname.com>
-
-    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
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    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.
-*/
-
-#include "config.h"
-
-#include <dlfcn.h>
-#include <string.h>
-#include <syslog.h>
-
-#include <cipher.h>
-
-#include "blowfish/blowfish.h"
-
-#include "net.h"
-
-void (*blowfish_cfb64_encrypt) (unsigned char*, unsigned char*, int,
-				BF_KEY*, unsigned char*, int*, int) = NULL;
-void (*blowfish_set_key) (BF_KEY*, int, char*) = NULL;
-
-unsigned char initvec[] = { 0x22, 0x7b, 0xad, 0x55, 0x41, 0xf4, 0x3e, 0xf3 };
-BF_KEY encryption_key;
-
-void low_crypt_key(unsigned char *in, unsigned char *out, BF_KEY *k, long len, int c)
-{
-  int count = 7;
-  unsigned char ivec[8];
-
-  memcpy(ivec, initvec, 8);
-
-  blowfish_cfb64_encrypt(in, out, len, k, &ivec[0], &count, c);
-}
-
-void do_encrypt(vpn_packet_t *in, real_packet_t *out, enc_key_t *key)
-{
-  unsigned char ivec[8];
-  int r;
-
-  memcpy(ivec, initvec, 8);
-  cipher_set_key(&encryption_key, key->length, key->key);
-  low_crypt_key((char*)(&in->data), (char*)(&out->data.data),
-		   &encryption_key, in->len, BF_ENCRYPT);
-  
-  out->len = in->len + 2;
-  r = (in->len + 2) % 8;
-  if(r)
-    out->len += (8-r);
-  out->len += 8;
-  /* The smallest multiple of 8 greater
-     than or equal to in->len + 8 */
-
-  out->data.len = in->len;
-}
-
-void do_decrypt(real_packet_t *in, vpn_packet_t *out, enc_key_t *key)
-{
-  unsigned char ivec[8];
-
-  memcpy(ivec, initvec, 8);
-  cipher_set_key(&encryption_key, key->length, key->key);
-  low_crypt_key((char*)(&in->data.data), (char*)(&out->data),
-		   &encryption_key, in->data.len, BF_DECRYPT);
-  out->len = in->data.len;
-}
-
-void cipher_set_key(BF_KEY *k, int l, char *t)
-{
-  blowfish_set_key(k, l, t);
-}
-
-int cipher_init(int which)
-{
-  void *dlhandle;
-  char *error;
-
-  if((dlhandle = dlopen(PKGLIBDIR "libblowfish.so.0", RTLD_LAZY)) == NULL)
-    {
-      syslog(LOG_ERR, "%s: %m", PKGLIBDIR "libblowfish.so.0");
-      return -1;
-    }
-
-  blowfish_cfb64_encrypt = dlsym(dlhandle, "BF_cfb64_encrypt");
-  if((error = dlerror()) != NULL)
-    {
-      syslog(LOG_ERR, "%s", error);
-      return -1;
-    }
-  blowfish_set_key = dlsym(dlhandle, "BF_set_key");
-
-  return 0;
-}