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238 lines
6.6 KiB
C
238 lines
6.6 KiB
C
/*
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* include/kerberosIV/des.h
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*
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* Copyright 1987, 1988, 1994, 2002 by the Massachusetts Institute of
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* Technology. All Rights Reserved.
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*
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* Export of this software from the United States of America may
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* require a specific license from the United States Government.
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* It is the responsibility of any person or organization contemplating
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* export to obtain such a license before exporting.
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*
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* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
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* distribute this software and its documentation for any purpose and
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* without fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation, and that
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* the name of M.I.T. not be used in advertising or publicity pertaining
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* to distribution of the software without specific, written prior
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* permission. Furthermore if you modify this software you must label
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* your software as modified software and not distribute it in such a
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* fashion that it might be confused with the original M.I.T. software.
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* M.I.T. makes no representations about the suitability of
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* this software for any purpose. It is provided "as is" without express
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* or implied warranty.
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*
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* Include file for the Data Encryption Standard library.
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*/
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#if defined(__MACH__) && defined(__APPLE__)
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#include <TargetConditionals.h>
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#include <AvailabilityMacros.h>
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#if TARGET_RT_MAC_CFM
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#error "Use KfM 4.0 SDK headers for CFM compilation."
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#endif
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#ifdef AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_5
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#define KRB5INT_DES_DEPRECATED AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_5
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#endif
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#endif /* defined(__MACH__) && defined(__APPLE__) */
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/* Macro to add deprecated attribute to DES types and functions */
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/* Currently only defined on Mac OS X 10.5 and later. */
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#ifndef KRB5INT_DES_DEPRECATED
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#define KRB5INT_DES_DEPRECATED
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#endif
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#ifdef __cplusplus
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#ifndef KRBINT_BEGIN_DECLS
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#define KRBINT_BEGIN_DECLS extern "C" {
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#define KRBINT_END_DECLS }
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#endif
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#else
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#define KRBINT_BEGIN_DECLS
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#define KRBINT_END_DECLS
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#endif
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#ifndef KRB5INT_DES_TYPES_DEFINED
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#define KRB5INT_DES_TYPES_DEFINED
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#include <limits.h>
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KRBINT_BEGIN_DECLS
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#if TARGET_OS_MAC
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# pragma pack(push,2)
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#endif
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#if UINT_MAX >= 0xFFFFFFFFUL
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#define DES_INT32 int
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#define DES_UINT32 unsigned int
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#else
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#define DES_INT32 long
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#define DES_UINT32 unsigned long
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#endif
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typedef unsigned char des_cblock[8] /* crypto-block size */
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KRB5INT_DES_DEPRECATED;
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/*
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* Key schedule.
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*
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* This used to be
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*
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* typedef struct des_ks_struct {
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* union { DES_INT32 pad; des_cblock _;} __;
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* } des_key_schedule[16];
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*
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* but it would cause trouble if DES_INT32 were ever more than 4
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* bytes. The reason is that all the encryption functions cast it to
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* (DES_INT32 *), and treat it as if it were DES_INT32[32]. If
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* 2*sizeof(DES_INT32) is ever more than sizeof(des_cblock), the
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* caller-allocated des_key_schedule will be overflowed by the key
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* scheduling functions. We can't assume that every platform will
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* have an exact 32-bit int, and nothing should be looking inside a
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* des_key_schedule anyway.
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*/
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typedef struct des_ks_struct { DES_INT32 _[2]; } des_key_schedule[16]
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KRB5INT_DES_DEPRECATED;
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#if TARGET_OS_MAC
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# pragma pack(pop)
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#endif
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KRBINT_END_DECLS
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#endif /* KRB5INT_DES_TYPES_DEFINED */
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/* only do the whole thing once */
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#ifndef DES_DEFS
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/*
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* lib/crypto/des/des_int.h defines KRB5INT_CRYPTO_DES_INT temporarily
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* to avoid including the defintions and declarations below. The
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* reason that the crypto library needs to include this file is that
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* it needs to have its types aligned with krb4's types.
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*/
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#ifndef KRB5INT_CRYPTO_DES_INT
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#define DES_DEFS
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#if defined(_WIN32)
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#ifndef KRB4
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#define KRB4 1
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#endif
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#include <win-mac.h>
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#endif
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#include <stdio.h> /* need FILE for des_cblock_print_file */
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KRBINT_BEGIN_DECLS
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#if TARGET_OS_MAC
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# pragma pack(push,2)
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#endif
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/* Windows declarations */
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#ifndef KRB5_CALLCONV
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#define KRB5_CALLCONV
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#define KRB5_CALLCONV_C
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#endif
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#define DES_KEY_SZ (sizeof(des_cblock))
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#define DES_ENCRYPT 1
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#define DES_DECRYPT 0
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#ifndef NCOMPAT
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#define C_Block des_cblock
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#define Key_schedule des_key_schedule
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#define ENCRYPT DES_ENCRYPT
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#define DECRYPT DES_DECRYPT
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#define KEY_SZ DES_KEY_SZ
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#define string_to_key des_string_to_key
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#define read_pw_string des_read_pw_string
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#define random_key des_random_key
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#define pcbc_encrypt des_pcbc_encrypt
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#define key_sched des_key_sched
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#define cbc_encrypt des_cbc_encrypt
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#define cbc_cksum des_cbc_cksum
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#define C_Block_print des_cblock_print
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#define quad_cksum des_quad_cksum
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typedef struct des_ks_struct bit_64;
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#endif
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#define des_cblock_print(x) des_cblock_print_file(x, stdout)
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/*
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* Function Prototypes
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*/
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int KRB5_CALLCONV des_key_sched (C_Block, Key_schedule)
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KRB5INT_DES_DEPRECATED;
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int KRB5_CALLCONV
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des_pcbc_encrypt (C_Block *in, C_Block *out, long length,
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const des_key_schedule schedule, C_Block *ivec,
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int enc)
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KRB5INT_DES_DEPRECATED;
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unsigned long KRB5_CALLCONV
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des_quad_cksum (const unsigned char *in, unsigned DES_INT32 *out,
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long length, int out_count, C_Block *seed)
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KRB5INT_DES_DEPRECATED;
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/*
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* XXX ABI change: used to return void; also, cns/kfm have signed long
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* instead of unsigned long length.
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*/
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unsigned long KRB5_CALLCONV
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des_cbc_cksum(const des_cblock *, des_cblock *, unsigned long,
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const des_key_schedule, const des_cblock *)
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KRB5INT_DES_DEPRECATED;
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int KRB5_CALLCONV des_string_to_key (const char *, C_Block)
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KRB5INT_DES_DEPRECATED;
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void afs_string_to_key(char *, char *, des_cblock)
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KRB5INT_DES_DEPRECATED;
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/* XXX ABI change: used to return krb5_error_code */
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int KRB5_CALLCONV des_read_password(des_cblock *, char *, int)
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KRB5INT_DES_DEPRECATED;
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int KRB5_CALLCONV des_ecb_encrypt(des_cblock *, des_cblock *,
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const des_key_schedule, int)
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KRB5INT_DES_DEPRECATED;
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/* XXX kfm/cns have signed long length */
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int des_cbc_encrypt(des_cblock *, des_cblock *, unsigned long,
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const des_key_schedule, const des_cblock *, int)
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KRB5INT_DES_DEPRECATED;
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void des_fixup_key_parity(des_cblock)
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KRB5INT_DES_DEPRECATED;
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int des_check_key_parity(des_cblock)
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KRB5INT_DES_DEPRECATED;
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int KRB5_CALLCONV des_new_random_key(des_cblock)
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KRB5INT_DES_DEPRECATED;
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void des_init_random_number_generator(des_cblock)
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KRB5INT_DES_DEPRECATED;
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int des_random_key(des_cblock *)
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KRB5INT_DES_DEPRECATED;
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int des_is_weak_key(des_cblock)
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KRB5INT_DES_DEPRECATED;
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void des_cblock_print_file(des_cblock *, FILE *fp)
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KRB5INT_DES_DEPRECATED;
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#if TARGET_OS_MAC
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# pragma pack(pop)
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#endif
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KRBINT_END_DECLS
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#endif /* KRB5INT_CRYPTO_DES_INT */
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#endif /* DES_DEFS */
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