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Diffstat (limited to 'src/lib/crypto/nss/des/des_int.h')
| -rw-r--r-- | src/lib/crypto/nss/des/des_int.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/lib/crypto/nss/des/des_int.h b/src/lib/crypto/nss/des/des_int.h new file mode 100644 index 0000000..84d678c --- /dev/null +++ b/src/lib/crypto/nss/des/des_int.h @@ -0,0 +1,188 @@ +/* + * lib/crypto/des/des_int.h + * + * Copyright 1987, 1988, 1990, 2002, 2009 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 defined(__MACH__) && defined(__APPLE__) +#include <TargetConditionals.h> +#include <AvailabilityMacros.h> +#if TARGET_RT_MAC_CFM +#error "Use KfM 4.0 SDK headers for CFM compilation." +#endif +#if defined(DEPRECATED_IN_MAC_OS_X_VERSION_10_5) && !defined(KRB5_SUPRESS_DEPRECATED_WARNINGS) +#define KRB5INT_DES_DEPRECATED DEPRECATED_IN_MAC_OS_X_VERSION_10_5 +#endif +#endif /* defined(__MACH__) && defined(__APPLE__) */ + +/* Macro to add deprecated attribute to DES types and functions */ +/* Currently only defined on Mac OS X 10.5 and later. */ +#ifndef KRB5INT_DES_DEPRECATED +#define KRB5INT_DES_DEPRECATED +#endif + +#include <limits.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 + +typedef unsigned char des_cblock[8] /* crypto-block size */ +KRB5INT_DES_DEPRECATED; + +/* + * Key schedule. + * + * This used to be + * + * typedef struct des_ks_struct { + * union { DES_INT32 pad; des_cblock _;} __; + * } des_key_schedule[16]; + * + * but it would cause trouble if DES_INT32 were ever more than 4 + * bytes. The reason is that all the encryption functions cast it to + * (DES_INT32 *), and treat it as if it were DES_INT32[32]. If + * 2*sizeof(DES_INT32) is ever more than sizeof(des_cblock), the + * caller-allocated des_key_schedule will be overflowed by the key + * scheduling functions. We can't assume that every platform will + * have an exact 32-bit int, and nothing should be looking inside a + * des_key_schedule anyway. + */ +typedef struct des_ks_struct { DES_INT32 _[2]; } des_key_schedule[16] +KRB5INT_DES_DEPRECATED; + +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 + +typedef struct mit_des_ran_key_seed { + krb5_encrypt_block eblock; + krb5_data sequence; +} mit_des_random_state; + +/* 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" + */ + +#define mit_des_zeroblock krb5int_c_mit_des_zeroblock +extern const mit_des_cblock mit_des_zeroblock; + +/* key_parity.c */ +extern void mit_des_fixup_key_parity (mit_des_cblock ); +extern int mit_des_check_key_parity (mit_des_cblock ); + +/* string2key.c */ +extern krb5_error_code mit_des_string_to_key + ( const krb5_encrypt_block *, + krb5_keyblock *, const krb5_data *, const krb5_data *); +extern krb5_error_code mit_des_string_to_key_int + (krb5_keyblock *, const krb5_data *, const krb5_data *); + +/* weak_key.c */ +extern int mit_des_is_weak_key (mit_des_cblock ); + +/* 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 +#endif /*DES_INTERNAL_DEFS*/ |