usr/src/cmd/cmd-inet/usr.bin/telnet/encrypt.h

   1 /*
   2  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5
   6 /*
   7  * Copyright (c) 1991, 1993
   8  *      The Regents of the University of California.  All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)encrypt.h   8.1 (Berkeley) 6/4/93
  39  */
  40
  41 /*
  42  * Copyright (C) 1990 by the Massachusetts Institute of Technology
  43  *
  44  * Export of this software from the United States of America may
  45  * require a specific license from the United States Government.
  46  * It is the responsibility of any person or organization contemplating
  47  * export to obtain such a license before exporting.
  48  *
  49  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  50  * distribute this software and its documentation for any purpose and
  51  * without fee is hereby granted, provided that the above copyright
  52  * notice appear in all copies and that both that copyright notice and
  53  * this permission notice appear in supporting documentation, and that
  54  * the name of M.I.T. not be used in advertising or publicity pertaining
  55  * to distribution of the software without specific, written prior
  56  * permission.  Furthermore if you modify this software you must label
  57  * your software as modified software and not distribute it in such a
  58  * fashion that it might be confused with the original M.I.T. software.
  59  * M.I.T. makes no representations about the suitability of
  60  * this software for any purpose.  It is provided "as is" without express
  61  * or implied warranty.
  62  */
  63
  64 #ifndef _ENCRYPT_H
  65 #define _ENCRYPT_H
  66
  67 #pragma ident   "%Z%%M% %I%     %E% SMI"
  68
  69 #ifdef  __cplusplus
  70 extern "C" {
  71 #endif
  72
  73 #define ENCR_LBUF_BUFSIZ        32        /* short temporary buffer */
  74 #define SAMEKEY(k1, k2) (!memcmp((void *)k1, (void *)k2, sizeof (Block))
  75
  76 #include <arpa/telnet.h>
  77
  78 typedef struct {
  79         char    *name;
  80         int     type;
  81         void    (*output)(unsigned char *, int);
  82         int     (*input)(int);
  83         void    (*init)();
  84         int     (*start)(int);
  85         int     (*is)(unsigned char *, int);
  86         int     (*reply)(unsigned char *, int);
  87         void    (*session)(Session_Key *);
  88         int     (*keyid)(int, unsigned char *, int *);
  89         void    (*printsub)(unsigned char *, int, unsigned char *, int);
  90 } Encryptions;
  91
  92 #define SK_DES          1       /* Matched Kerberos v5 ENCTYPE_DES */
  93
  94 void    encrypt_support(uchar_t *, int);
  95 void    encrypt_init(char *);
  96 void    encrypt_send_supprt(void);
  97 void    encrypt_auto(int);
  98 void    decrypt_auto(int);
  99 void    encrypt_is(unsigned char *, int);
 100 void    encrypt_reply(unsigned char *, int);
 101 void    encrypt_start(uchar_t *, int);
 102 void    encrypt_start_input(int);
 103 void    encrypt_session_key(Session_Key *);
 104 void    encrypt_end(void);
 105 void    encrypt_request_end(void);
 106 void    encrypt_request_start(uchar_t *, int);
 107 void    encrypt_enc_keyid(uchar_t *, int);
 108 void    encrypt_dec_keyid(uchar_t *, int);
 109 void    encrypt_end_input(void);
 110 void    encrypt_end_output(void);
 111 boolean_t       encrypt_is_encrypting(void);
 112 void    encrypt_send_support(void);
 113 void    encrypt_send_keyid(int, unsigned char *, int, int);
 114 void    encrypt_display(void);
 115 void    encrypt_printsub(uchar_t *, int,  uchar_t *, int);
 116
 117 void    cfb64_encrypt(unsigned char *, int);
 118 int     cfb64_decrypt(int);
 119 void    cfb64_init(void);
 120 int     cfb64_start(int);
 121 int     cfb64_is(unsigned char *, int);
 122 int     cfb64_reply(unsigned char *, int);
 123 void    cfb64_session(Session_Key *);
 124 int     cfb64_keyid(int, unsigned char *, int *);
 125 void    cfb64_printsub(unsigned char *, int, unsigned char *, int);
 126
 127 extern boolean_t        encrypt_debug_mode;
 128 extern int      (*decrypt_input)(int);
 129 extern void     (*encrypt_output)(unsigned char *, int);
 130
 131 int     key_file_exists(void);
 132 void    key_lookup(unsigned char *, Block);
 133 void    key_stream_init(Block, Block, int);
 134 unsigned char   key_stream(int, int);
 135
 136 int     EncryptStatus(void);
 137 int     EncryptEnable(char *, char *);
 138 int     EncryptDisable(char *, char *);
 139 int     EncryptType(char *, char *);
 140 int     EncryptStart(char *);
 141 int     EncryptStartInput(void);
 142 int     EncryptStartOutput(void);
 143 int     EncryptStop(char *);
 144 int     EncryptStopInput(void);
 145 int     EncryptStopOutput(void);
 146 int     EncryptDebug(int);
 147 int     EncryptVerbose(int);
 148 int     EncryptAutoEnc(int);
 149 int     EncryptAutoDec(int);
 150
 151 #ifdef  __cplusplus
 152 }
 153 #endif
 154
 155 #endif  /* _ENCRYPT_H */