/usr/include/openzwave/aes/aestab.h is in libopenzwave1.5-dev 1.5+ds-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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---------------------------------------------------------------------------
Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved.
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation.
This software is provided 'as is' with no explicit or implied warranties
in respect of its operation, including, but not limited to, correctness
and fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
This file contains the code for declaring the tables needed to implement
AES. The file aesopt.h is assumed to be included before this header file.
If there are no global variables, the definitions here can be used to put
the AES tables in a structure so that a pointer can then be added to the
AES context to pass them to the AES routines that need them. If this
facility is used, the calling program has to ensure that this pointer is
managed appropriately. In particular, the value of the t_dec(in,it) item
in the table structure must be set to zero in order to ensure that the
tables are initialised. In practice the three code sequences in aeskey.c
that control the calls to aes_init() and the aes_init() routine itself will
have to be changed for a specific implementation. If global variables are
available it will generally be preferable to use them with the precomputed
FIXED_TABLES option that uses static global tables.
The following defines can be used to control the way the tables
are defined, initialised and used in embedded environments that
require special features for these purposes
the 't_dec' construction is used to declare fixed table arrays
the 't_set' construction is used to set fixed table values
the 't_use' construction is used to access fixed table values
256 byte tables:
t_xxx(s,box) => forward S box
t_xxx(i,box) => inverse S box
256 32-bit word OR 4 x 256 32-bit word tables:
t_xxx(f,n) => forward normal round
t_xxx(f,l) => forward last round
t_xxx(i,n) => inverse normal round
t_xxx(i,l) => inverse last round
t_xxx(l,s) => key schedule table
t_xxx(i,m) => key schedule table
Other variables and tables:
t_xxx(r,c) => the rcon table
*/
#if !defined( _AESTAB_H )
#define _AESTAB_H
#if defined(__cplusplus)
extern "C" {
#endif
#define t_dec(m,n) t_##m##n
#define t_set(m,n) t_##m##n
#define t_use(m,n) t_##m##n
#if defined(FIXED_TABLES)
# if !defined( __GNUC__ ) && (defined( __MSDOS__ ) || defined( __WIN16__ ))
/* make tables far data to avoid using too much DGROUP space (PG) */
# define CONST const far
# else
# define CONST const
# endif
#else
# define CONST
#endif
#if defined(DO_TABLES)
# define EXTERN
#else
# define EXTERN extern
#endif
#if defined(_MSC_VER) && defined(TABLE_ALIGN)
#define ALIGN __declspec(align(TABLE_ALIGN))
#else
#define ALIGN
#endif
#if defined( __WATCOMC__ ) && ( __WATCOMC__ >= 1100 )
# define XP_DIR __cdecl
#else
# define XP_DIR
#endif
#if defined(DO_TABLES) && defined(FIXED_TABLES)
#define d_1(t,n,b,e) EXTERN ALIGN CONST XP_DIR t n[256] = b(e)
#define d_4(t,n,b,e,f,g,h) EXTERN ALIGN CONST XP_DIR t n[4][256] = { b(e), b(f), b(g), b(h) }
EXTERN ALIGN CONST uint32_t t_dec(r,c)[RC_LENGTH] = rc_data(w0);
#else
#define d_1(t,n,b,e) EXTERN ALIGN CONST XP_DIR t n[256]
#define d_4(t,n,b,e,f,g,h) EXTERN ALIGN CONST XP_DIR t n[4][256]
EXTERN ALIGN CONST uint32_t t_dec(r,c)[RC_LENGTH];
#endif
#if defined( SBX_SET )
d_1(uint8_t, t_dec(s,box), sb_data, h0);
#endif
#if defined( ISB_SET )
d_1(uint8_t, t_dec(i,box), isb_data, h0);
#endif
#if defined( FT1_SET )
d_1(uint32_t, t_dec(f,n), sb_data, u0);
#endif
#if defined( FT4_SET )
d_4(uint32_t, t_dec(f,n), sb_data, u0, u1, u2, u3);
#endif
#if defined( FL1_SET )
d_1(uint32_t, t_dec(f,l), sb_data, w0);
#endif
#if defined( FL4_SET )
d_4(uint32_t, t_dec(f,l), sb_data, w0, w1, w2, w3);
#endif
#if defined( IT1_SET )
d_1(uint32_t, t_dec(i,n), isb_data, v0);
#endif
#if defined( IT4_SET )
d_4(uint32_t, t_dec(i,n), isb_data, v0, v1, v2, v3);
#endif
#if defined( IL1_SET )
d_1(uint32_t, t_dec(i,l), isb_data, w0);
#endif
#if defined( IL4_SET )
d_4(uint32_t, t_dec(i,l), isb_data, w0, w1, w2, w3);
#endif
#if defined( LS1_SET )
#if defined( FL1_SET )
#undef LS1_SET
#else
d_1(uint32_t, t_dec(l,s), sb_data, w0);
#endif
#endif
#if defined( LS4_SET )
#if defined( FL4_SET )
#undef LS4_SET
#else
d_4(uint32_t, t_dec(l,s), sb_data, w0, w1, w2, w3);
#endif
#endif
#if defined( IM1_SET )
d_1(uint32_t, t_dec(i,m), mm_data, v0);
#endif
#if defined( IM4_SET )
d_4(uint32_t, t_dec(i,m), mm_data, v0, v1, v2, v3);
#endif
#if defined(__cplusplus)
}
#endif
#endif
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