/usr/include/des.h is in libopenafs-dev 1.6.9-2+deb8u7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | /*
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <mit-cpyright.h>.
*
* Include file for the Data Encryption Standard library.
*/
/* only do the whole thing once */
#ifndef DES_DEFS
#define DES_DEFS
#include "mit-cpyright.h"
typedef unsigned char des_cblock[8]; /* crypto-block size */
/* Key schedule */
typedef struct des_ks_struct {
union {
afs_uint32 i[2];
des_cblock _;
} _;
} des_key_schedule[16];
#define DES_KEY_SZ (sizeof(des_cblock))
#define DES_ENCRYPT 1
#define DES_DECRYPT 0
#ifndef NCOMPAT
#define C_Block des_cblock
#define Key_schedule des_key_schedule
#ifndef ENCRYPT
#define ENCRYPT DES_ENCRYPT
#define DECRYPT DES_DECRYPT
#endif
#define KEY_SZ DES_KEY_SZ
#define string_to_key des_string_to_key
#define read_pw_string des_read_pw_string
#define random_key des_random_key
#define pcbc_encrypt des_pcbc_encrypt
#ifdef AFS_DUX40_ENV
/* This is done to avoid name space collision with dtlogin and SIA. */
#define des_key_sched afs_des_key_sched
#endif
#define key_sched des_key_sched
#define cbc_encrypt des_cbc_encrypt
#define ecb_encrypt des_ecb_encrypt
#define cbc_cksum des_cbc_cksum
#define C_Block_print des_cblock_print
#define quad_cksum des_quad_cksum
typedef struct des_ks_struct bit_64;
#endif
#define des_cblock_print(x) des_cblock_print_file(x, stdout)
#endif /* DES_DEFS */
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