122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
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/* des.h */
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/* Copyright (C) 1993 Eric Young - see README for more details */
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/*-
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* $Id: des.h,v 1.2 1994/07/19 19:22:17 g89r4222 Exp $
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*/
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#ifndef DES_DEFS
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#define DES_DEFS
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typedef unsigned char des_cblock[8];
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typedef struct des_ks_struct
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{
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union {
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des_cblock _;
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/* make sure things are correct size on machines with
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* 8 byte longs */
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unsigned long pad[2];
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} ks;
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#define _ ks._
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} des_key_schedule[16];
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#define DES_KEY_SZ (sizeof(des_cblock))
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#define DES_ENCRYPT 1
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#define DES_DECRYPT 0
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#define DES_CBC_MODE 0
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#define DES_PCBC_MODE 1
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#define C_Block des_cblock
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#define Key_schedule des_key_schedule
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#define ENCRYPT DES_ENCRYPT
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#define DECRYPT DES_DECRYPT
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#define KEY_SZ DES_KEY_SZ
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#define string_to_key des_string_to_key
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#define read_pw_string des_read_pw_string
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#define random_key des_random_key
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#define pcbc_encrypt des_pcbc_encrypt
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#define set_key des_set__key
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#define key_sched des_key_sched
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#define ecb_encrypt des_ecb_encrypt
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#define cbc_encrypt des_cbc_encrypt
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#define cbc_cksum des_cbc_cksum
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#define quad_cksum des_quad_cksum
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/* For compatibility with the MIT lib - eay 20/05/92 */
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typedef struct des_ks_struct bit_64;
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extern int des_check_key; /* defaults to false */
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extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
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/* The next line is used to disable full ANSI prototypes, if your
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* compiler has problems with the prototypes, make sure this line always
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* evaluates to true :-) */
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#if !defined(MSDOS) && !defined(__STDC__)
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#ifndef KERBEROS
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int des_3ecb_encrypt();
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int des_cbc_encrypt();
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int des_3cbc_encrypt();
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int des_cfb_encrypt();
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int des_ecb_encrypt();
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int des_encrypt();
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int des_enc_read();
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int des_enc_write();
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int des_ofb_encrypt();
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int des_pcbc_encrypt();
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int des_random_key();
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int des_read_password();
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int des_read_2passwords();
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int des_read_pw_string();
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int des_is_weak_key();
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int des_set__key();
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int des_key_sched();
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int des_string_to_key();
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int des_string_to_2keys();
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#endif
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char *crypt();
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unsigned long des_cbc_cksum();
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unsigned long des_quad_cksum();
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unsigned long des_cbc_cksum();
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void des_set_odd_parity();
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#else /* PROTO */
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int des_3ecb_encrypt(des_cblock *input,des_cblock *output,\
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des_key_schedule ks1,des_key_schedule ks2,int encrypt);
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unsigned long des_cbc_cksum(des_cblock *input,des_cblock *output,\
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long length,des_key_schedule schedule,des_cblock *ivec);
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int des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,\
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des_key_schedule schedule,des_cblock *ivec,int encrypt);
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int des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,\
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des_key_schedule sk1,des_key_schedule sk2,\
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des_cblock *ivec1,des_cblock *ivec2,int encrypt);
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int des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,\
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long length,des_key_schedule schedule,des_cblock *ivec,int encrypt);
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int des_ecb_encrypt(des_cblock *input,des_cblock *output,\
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des_key_schedule ks,int encrypt);
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int des_encrypt(unsigned long *input,unsigned long *output,
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des_key_schedule ks, int encrypt);
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int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,\
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des_cblock *iv);
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int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,\
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des_cblock *iv);
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char *crypt(char *buf,char *salt);
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int des_ofb_encrypt(unsigned char *in,unsigned char *out,\
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int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
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int des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,\
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des_key_schedule schedule,des_cblock *ivec,int encrypt);
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unsigned long des_quad_cksum(des_cblock *input,des_cblock *output,\
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long length,int out_count,des_cblock *seed);
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int des_random_key(des_cblock ret);
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int des_read_password(des_cblock *key,char *prompt,int verify);
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int des_read_2passwords(des_cblock *key1,des_cblock *key2, \
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char *prompt,int verify);
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int des_read_pw_string(char *buf,int length,char *prompt,int verify);
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void des_set_odd_parity(des_cblock *key);
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int des_is_weak_key(des_cblock *key);
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int des_set__key(des_cblock *key,des_key_schedule schedule);
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int des_key_sched(des_cblock *key,des_key_schedule schedule);
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int des_string_to_key(char *str,des_cblock *key);
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int des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
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#endif
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#endif
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