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/* des.h */
/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au).
* All rights reserved.
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* See the COPYRIGHT file in the libdes distribution for more details.
*/
#ifndef HEADER_DES_H
#define HEADER_DES_H
#include <stdio.h>
typedef unsigned char des_cblock[8];
typedef struct des_ks_struct { des_cblock _; } des_key_schedule[16];
#define DES_KEY_SZ (sizeof(des_cblock))
#define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
#define DES_ENCRYPT 1
#define DES_DECRYPT 0
#define DES_CBC_MODE 0
#define DES_PCBC_MODE 1
#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 set_key des_set_key
#define key_sched des_key_sched
#define ecb_encrypt des_ecb_encrypt
#define cbc_encrypt des_cbc_encrypt
#define ncbc_encrypt des_ncbc_encrypt
#define cbc_cksum des_cbc_cksum
#define quad_cksum des_quad_cksum
/* For compatibility with the MIT lib - eay 20/05/92 */
typedef struct des_ks_struct bit_64;
#define des_fixup_key_parity des_set_odd_parity
#define des_check_key_parity check_parity
extern int des_check_key; /* defaults to false */
extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
/* The next line is used to disable full ANSI prototypes, if your
* compiler has problems with the prototypes, make sure this line always
* evaluates to true :-) */
#if defined(MSDOS) && defined(__STDC__)
#undef PROTO
#define PROTO
#endif
/* markm - dirty hack */
#define PROTO
#ifdef PROTO
int des_2ecb_encrypt(des_cblock *input,des_cblock *output,
des_key_schedule ks1,des_key_schedule ks2,int enc);
int des_3ecb_encrypt(des_cblock *input,des_cblock *output,
des_key_schedule ks1,des_key_schedule ks2, int enc);
unsigned long des_cbc_cksum(des_cblock *input,des_cblock *output,
long length,des_key_schedule schedule,des_cblock *ivec);
int des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
des_key_schedule schedule,des_cblock *ivec,int enc);
int des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
des_key_schedule schedule,des_cblock *ivec,int enc);
int des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
des_key_schedule sk1,des_key_schedule sk2,
des_cblock *ivec1,des_cblock *ivec2,int enc);
int des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
long length,des_key_schedule schedule,des_cblock *ivec,int enc);
int des_ecb_encrypt(des_cblock *input,des_cblock *output,
des_key_schedule ks,int enc);
int des_encrypt(unsigned long *input,unsigned long *output,
des_key_schedule ks, int enc);
int des_encrypt2(unsigned long *input,unsigned long *output,
des_key_schedule ks, int enc);
int des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
long length, des_key_schedule ks1, des_key_schedule ks2,
des_key_schedule ks3, des_cblock *ivec, int enc);
int des_ede2_cbc_encrypt(des_cblock *input, des_cblock *output,
long length, des_key_schedule ks1, des_key_schedule ks2,
des_cblock *ivec, int enc);
int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
des_cblock *iv);
int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
des_cblock *iv);
#if 0
#ifdef PERL5
char *des_crypt(const char *buf,const char *salt);
#else
/* some stupid compilers complain because I have declared char instead
* of const char */
#ifdef HEADER_DES_LOCL_H
char *crypt(const char *buf,const char *salt);
#else
char *crypt();
#endif /* HEADER_DES_LOCL_H */
#endif /* PERL5 */
#endif /* 0 */
int des_ofb_encrypt(unsigned char *in,unsigned char *out,
int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
int des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
des_key_schedule schedule,des_cblock *ivec,int enc);
unsigned long des_quad_cksum(des_cblock *input,des_cblock *output,
long length,int out_count,des_cblock *seed);
void des_random_seed(des_cblock key);
int des_random_key(des_cblock ret);
int des_read_password(des_cblock *key,char *prompt,int verify);
int des_read_2passwords(des_cblock *key1,des_cblock *key2,
char *prompt,int verify);
int des_read_pw_string(char *buf,int length,char *prompt,int verify);
void des_set_odd_parity(des_cblock *key);
int des_is_weak_key(des_cblock *key);
int des_set_key(des_cblock *key,des_key_schedule schedule);
int des_key_sched(des_cblock *key,des_key_schedule schedule);
int des_string_to_key(char *str,des_cblock *key);
int des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
int des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
int des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
des_key_schedule schedule, des_cblock *ivec, int *num);
void des_cblock_print_file(des_cblock *cb, FILE *fp);
#else
int des_2ecb_encrypt();
int des_3ecb_encrypt();
unsigned long des_cbc_cksum();
int des_cbc_encrypt();
int des_ncbc_encrypt();
int des_3cbc_encrypt();
int des_cfb_encrypt();
int des_ecb_encrypt();
int des_encrypt();
int des_encrypt2();
int des_ede3_cbc_encrypt();
int des_ede2_cbc_encrypt();
int des_enc_read();
int des_enc_write();
#ifdef PERL5
char *des_crypt();
#else
char *crypt();
#endif
int des_ofb_encrypt();
int des_pcbc_encrypt();
unsigned long des_quad_cksum();
void des_random_seed();
int des_random_key();
int des_read_password();
int des_read_2passwords();
int des_read_pw_string();
void des_set_odd_parity();
int des_is_weak_key();
int des_set_key();
int des_key_sched();
int des_string_to_key();
int des_string_to_2keys();
int des_cfb64_encrypt();
int des_ofb64_encrypt();
void des_cblock_print_file();
#endif
#endif
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