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/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* lib/crypto/des/des_int.h
*
* Copyright 1987, 1988, 1990, 2002 by the Massachusetts Institute of
* Technology. All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Private include file for the Data Encryption Standard library.
*/
/*
* Copyright (C) 1998 by the FundsXpress, INC.
*
* All rights reserved.
*
* Export of this software from the United States of America may require
* a specific license from the United States Government. It is the
* responsibility of any person or organization contemplating export to
* obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of FundsXpress. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. FundsXpress makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* 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.
*/
/* only do the whole thing once */
#ifndef DES_INTERNAL_DEFS
#define DES_INTERNAL_DEFS
#include "k5-int.h"
/*
* Begin "mit-des.h"
*/
#ifndef KRB5_MIT_DES__
#define KRB5_MIT_DES__
#if 0 /* SUNW14resync */
#define KRB5INT_CRYPTO_DES_INT /* skip krb4-specific DES stuff */
#include "kerberosIV/des.h" /* for des_key_schedule, etc. */
#undef KRB5INT_CRYPTO_DES_INT /* don't screw other inclusions of des.h */
#endif
/*
* SUNW14resync
* Solaris Kerberos does not do krb4 so we don't have its des.h file
* but we need a few symbols from it so we include them here.
*/
/* begin: from mit kerberosIV/des.h */
#if UINT_MAX >= 0xFFFFFFFFUL
#define DES_INT32 int
#define DES_UINT32 unsigned int
#else
#define DES_INT32 long
#define DES_UINT32 unsigned long
#endif
/* end: from mit kerberosIV/des.h */
typedef unsigned char des_cblock[8]; /* crypto-block size */
typedef struct des_ks_struct { DES_INT32 _[2]; } des_key_schedule[16];
typedef des_cblock mit_des_cblock;
typedef des_key_schedule mit_des_key_schedule;
/* Triple-DES structures */
typedef mit_des_cblock mit_des3_cblock[3];
typedef mit_des_key_schedule mit_des3_key_schedule[3];
#define MIT_DES_ENCRYPT 1
#define MIT_DES_DECRYPT 0
#define K5ROUNDUP(x, align) (-(-(x) & -(align)))
/* the first byte of the key is already in the keyblock */
#define MIT_DES_BLOCK_LENGTH (8*sizeof(krb5_octet))
#define MIT_DES_CBC_CRC_PAD_MINIMUM CRC32_CKSUM_LENGTH
/* This used to be 8*sizeof(krb5_octet) */
#define MIT_DES_KEYSIZE 8
#define MIT_DES_CBC_CKSUM_LENGTH (4*sizeof(krb5_octet))
/*
* Check if k5-int.h has been included before us. If so, then check to see
* that our view of the DES key size is the same as k5-int.h's.
*/
#ifdef KRB5_MIT_DES_KEYSIZE
#if MIT_DES_KEYSIZE != KRB5_MIT_DES_KEYSIZE
error(MIT_DES_KEYSIZE does not equal KRB5_MIT_DES_KEYSIZE)
#endif /* MIT_DES_KEYSIZE != KRB5_MIT_DES_KEYSIZE */
#endif /* KRB5_MIT_DES_KEYSIZE */
#endif /* KRB5_MIT_DES__ */
/*
* End "mit-des.h"
*/
#ifndef _KERNEL
/* afsstring2key.c */
extern krb5_error_code mit_afs_string_to_key
(krb5_context context,
krb5_keyblock *keyblock,
const krb5_data *data,
const krb5_data *salt);
#endif
/* f_cksum.c */
extern unsigned long mit_des_cbc_cksum
( krb5_context context,
const krb5_octet *, krb5_octet *, unsigned long ,
krb5_keyblock *, const krb5_octet *);
/* f_cbc.c */
extern int mit_des_cbc_encrypt
(krb5_context context,
const mit_des_cblock *in,
mit_des_cblock *out, long length,
krb5_keyblock *key,
mit_des_cblock ivec,
int encrypt);
#define mit_des_zeroblock krb5int_c_mit_des_zeroblock
extern const mit_des_cblock mit_des_zeroblock;
/* fin_rndkey.c */
extern krb5_error_code mit_des_finish_random_key
( const krb5_encrypt_block *,
krb5_pointer *);
/* finish_key.c */
extern krb5_error_code mit_des_finish_key
( krb5_encrypt_block *);
/* key_parity.c */
extern void mit_des_fixup_key_parity (mit_des_cblock );
extern int mit_des_check_key_parity (mit_des_cblock );
/* process_ky.c */
extern krb5_error_code mit_des_process_key
( krb5_encrypt_block *, const krb5_keyblock *);
/* string2key.c */
extern krb5_error_code mit_des_string_to_key
( const krb5_encrypt_block *,
krb5_keyblock *, const krb5_data *, const krb5_data *);
/* weak_key.c */
extern int mit_des_is_weak_key (mit_des_cblock );
/* cmb_keys.c */
krb5_error_code mit_des_combine_subkeys
(const krb5_keyblock *, const krb5_keyblock *,
krb5_keyblock **);
/* f_pcbc.c */
int mit_des_pcbc_encrypt ();
/* f_sched.c */
int mit_des_make_key_sched(mit_des_cblock, mit_des_key_schedule);
/* misc.c */
extern void swap_bits (char *);
extern unsigned long long_swap_bits (unsigned long );
extern unsigned long swap_six_bits_to_ansi (unsigned long );
extern unsigned long swap_four_bits_to_ansi (unsigned long );
extern unsigned long swap_bit_pos_1 (unsigned long );
extern unsigned long swap_bit_pos_0 (unsigned long );
extern unsigned long swap_bit_pos_0_to_ansi (unsigned long );
extern unsigned long rev_swap_bit_pos_0 (unsigned long );
extern unsigned long swap_byte_bits (unsigned long );
extern unsigned long swap_long_bytes_bit_number (unsigned long );
#ifdef FILE
/* XXX depends on FILE being a #define! */
extern void test_set (FILE *, const char *, int, const char *, int);
#endif
/* d3_cbc.c */
extern int mit_des3_cbc_encrypt
(krb5_context context,
const mit_des_cblock *in,
mit_des_cblock *out,
unsigned long length,
krb5_keyblock *key,
const mit_des_cblock ivec,
int enc);
/* d3_procky.c */
extern krb5_error_code mit_des3_process_key
(krb5_encrypt_block * eblock,
const krb5_keyblock * keyblock);
/* d3_str2ky.c */
extern krb5_error_code mit_des3_string_to_key
(const krb5_encrypt_block * eblock,
krb5_keyblock * keyblock,
const krb5_data * data,
const krb5_data * salt);
/* u_nfold.c */
extern krb5_error_code mit_des_n_fold
(const krb5_octet * input,
const size_t in_len,
krb5_octet * output,
const size_t out_len);
extern krb5_error_code mit_des_set_random_sequence_number
(const krb5_data * sequence,
krb5_pointer random_state);
#endif /*DES_INTERNAL_DEFS*/
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