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/*
* des.h
*
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <mit-copyright.h> (Except for those files which contain other copyright information).
*
* Include file for the Data Encryption Standard library.
*/
/* only do the whole thing once */
#ifndef DES_DEFS
#define DES_DEFS
#include "mit-copyright.h"
#include <stdio.h>
#ifndef DES_INT32
#define DES_INT32 SInt32
#endif
#ifndef DES_UINT32
#define DES_UINT32 UInt32
#endif
/* There are some declarations in the system-specific header files which
can't be done until DES_INT32 is defined. So they are in a macro,
which we expand here if defined. */
#ifdef DECL_THAT_NEEDS_DES_INT32
DECL_THAT_NEEDS_DES_INT32
#endif
typedef unsigned char des_cblock[8]; /* crypto-block size */
/* Key schedule */
typedef struct des_ks_struct { union { DES_INT32 pad; 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
#define ENCRYPT DES_ENCRYPT
#define DECRYPT DES_DECRYPT
#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
#define key_sched des_key_sched
#define cbc_encrypt des_cbc_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)
/* Function declarations */
/* This is CFM magic that has to be done in order for the library to work under CFM-68K */
#if defined(__CFM68K__) && !defined(__USING_STATIC_LIBS__)
# pragma import on
#endif
#if !GENERATINGCFM
# pragma d0_pointers on
#endif
int des_cbc_encrypt(des_cblock *in,
des_cblock *out,
long length,
des_key_schedule schedule,
des_cblock ivec,
int encrypt);
void des_3cbc_encrypt(des_cblock *in,
des_cblock *out,
long length,
des_key_schedule ks1,
des_key_schedule ks2,
des_key_schedule ks3,
des_cblock ivec,
int encrypt);
unsigned long des_cbc_cksum(des_cblock *in,
des_cblock *out,
long length,
des_key_schedule schedule,
des_cblock *ivec);
int des_ecb_encrypt(des_cblock *in,
des_cblock *out,
des_key_schedule schedule,
int encrypt);
void des_3ecb_encrypt(des_cblock *in,
des_cblock *out,
des_key_schedule ks1,
des_key_schedule ks2,
des_key_schedule ks3,
int encrypt);
void des_fixup_key_parity(register des_cblock key);
int des_check_key_parity(register des_cblock key);
int des_pcbc_encrypt(des_cblock *in,
des_cblock *out,
long length,
des_key_schedule schedule,
des_cblock ivec,
int encrypt);
int make_key_sched(des_cblock *key, des_key_schedule schedule);
int des_key_sched(des_cblock k, des_key_schedule schedule);
int des_new_random_key(des_cblock key);
void des_init_random_number_generator(des_cblock key);
void des_set_random_generator_seed(des_cblock key);
void des_set_sequence_number(des_cblock new_sequence_number);
void des_generate_random_block(des_cblock block);
unsigned long des_quad_cksum(unsigned char *in,
unsigned long *out,
long length,
int out_count,
des_cblock *c_seed);
int des_random_key(des_cblock *key);
int des_read_password(des_cblock *k, char *prompt, int verify);
int des_read_pw_string(char *s, int max, char *prompt, int verify);
int des_string_to_key(char *str, des_cblock key);
void des_cblock_print_file(des_cblock *x, FILE *fp);
int des_is_weak_key(des_cblock key);
char *des_crypt(const char *buf, const char *salt);
char *des_fcrypt(const char *buf, const char *salt, char *ret);
int des_set_key(des_cblock *key, des_key_schedule schedule);
#if !GENERATINGCFM
# pragma d0_pointers reset
#endif
/* CFM magic again */
#if defined(__CFM68K__) && !defined(__USING_STATIC_LIBS__)
# pragma import reset
#endif
#endif /* DES_DEFS */
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