*
* Extracted from chap_ms.c by James Carlson.
*
- * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
- * http://www.strataware.com/
+ * Copyright (c) 1995 Eric Rosenquist. All rights reserved.
*
- * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
*
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Eric Rosenquist. The name of the author may not be used to
- * endorse or promote products derived from this software without
- * specific prior written permission.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
*
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <errno.h>
+
#include "pppd.h"
#include "pppcrypt.h"
static u_char
-Get7Bits(input, startBit)
-u_char *input;
-int startBit;
+Get7Bits(u_char *input, int startBit)
{
unsigned int word;
}
static void
-MakeKey(key, des_key)
-u_char *key; /* IN 56 bit DES key missing parity bits */
-u_char *des_key; /* OUT 64 bit DES key with parity bits added */
+MakeKey(u_char *key, u_char *des_key)
{
+ /* key IN 56 bit DES key missing parity bits */
+ /* des_key OUT 64 bit DES key with parity bits added */
des_key[0] = Get7Bits(key, 0);
des_key[1] = Get7Bits(key, 7);
des_key[2] = Get7Bits(key, 14);
des_key[7] = Get7Bits(key, 49);
#ifndef USE_CRYPT
- des_set_odd_parity((des_cblock *)des_key);
+ DES_set_odd_parity((DES_cblock *)des_key);
#endif
}
* Note that the low-order "bit" is always ignored by by setkey()
*/
static void
-Expand(in, out)
-u_char *in;
-u_char *out;
+Expand(u_char *in, u_char *out)
{
int j, c;
int i;
/* The inverse of Expand
*/
static void
-Collapse(in, out)
-u_char *in;
-u_char *out;
+Collapse(u_char *in, u_char *out)
{
int j;
int i;
}
bool
-DesSetkey(key)
-u_char *key;
+DesSetkey(u_char *key)
{
u_char des_key[8];
u_char crypt_key[66];
}
bool
-DesEncrypt(clear, cipher)
-u_char *clear; /* IN 8 octets */
-u_char *cipher; /* OUT 8 octets */
+DesEncrypt(u_char *clear, u_char *cipher)
{
u_char des_input[66];
}
bool
-DesDecrypt(cipher, clear)
-u_char *cipher; /* IN 8 octets */
-u_char *clear; /* OUT 8 octets */
+DesDecrypt(u_char *cipher, u_char *clear)
{
u_char des_input[66];
}
#else /* USE_CRYPT */
-static des_key_schedule key_schedule;
+static DES_key_schedule key_schedule;
bool
-DesSetkey(key)
-u_char *key;
+DesSetkey(u_char *key)
{
- des_cblock des_key;
+ DES_cblock des_key;
MakeKey(key, des_key);
- des_set_key(&des_key, key_schedule);
+ DES_set_key(&des_key, &key_schedule);
return (1);
}
bool
-DesEncrypt(clear, key, cipher)
-u_char *clear; /* IN 8 octets */
-u_char *cipher; /* OUT 8 octets */
+DesEncrypt(u_char *clear, u_char *cipher)
{
- des_ecb_encrypt((des_cblock *)clear, (des_cblock *)cipher,
- key_schedule, 1);
+ DES_ecb_encrypt((DES_cblock *)clear, (DES_cblock *)cipher,
+ &key_schedule, 1);
return (1);
}
bool
-DesDecrypt(cipher, clear)
-u_char *cipher; /* IN 8 octets */
-u_char *clear; /* OUT 8 octets */
+DesDecrypt(u_char *cipher, u_char *clear)
{
- des_ecb_encrypt((des_cblock *)cipher, (des_cblock *)clear,
- key_schedule, 0);
+ DES_ecb_encrypt((DES_cblock *)cipher, (DES_cblock *)clear,
+ &key_schedule, 0);
return (1);
}