182 lines
6.2 KiB
C
182 lines
6.2 KiB
C
/* des.h */
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/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au).
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* All rights reserved.
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* See the COPYRIGHT file in the libdes distribution for more details.
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*/
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#ifndef HEADER_DES_H
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#define HEADER_DES_H
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#include <stdio.h>
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typedef unsigned char des_cblock[8];
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typedef struct des_ks_struct { des_cblock _; } des_key_schedule[16];
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#define DES_KEY_SZ (sizeof(des_cblock))
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#define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
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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 ncbc_encrypt des_ncbc_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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#define des_fixup_key_parity des_set_odd_parity
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#define des_check_key_parity check_parity
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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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#undef PROTO
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#define PROTO
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#endif
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/* markm - dirty hack */
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#define PROTO
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#ifdef PROTO
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int des_2ecb_encrypt(des_cblock *input,des_cblock *output,
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des_key_schedule ks1,des_key_schedule ks2,int enc);
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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 enc);
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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 enc);
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int des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
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des_key_schedule schedule,des_cblock *ivec,int enc);
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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 enc);
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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 enc);
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int des_ecb_encrypt(des_cblock *input,des_cblock *output,
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des_key_schedule ks,int enc);
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int des_encrypt(unsigned long *input,unsigned long *output,
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des_key_schedule ks, int enc);
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int des_encrypt2(unsigned long *input,unsigned long *output,
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des_key_schedule ks, int enc);
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int des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
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long length, des_key_schedule ks1, des_key_schedule ks2,
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des_key_schedule ks3, des_cblock *ivec, int enc);
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int des_ede2_cbc_encrypt(des_cblock *input, des_cblock *output,
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long length, des_key_schedule ks1, des_key_schedule ks2,
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des_cblock *ivec, int enc);
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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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#if 0
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#ifdef PERL5
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char *des_crypt(const char *buf,const char *salt);
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#else
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/* some stupid compilers complain because I have declared char instead
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* of const char */
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#ifdef HEADER_DES_LOCL_H
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char *crypt(const char *buf,const char *salt);
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#else
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char *crypt();
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#endif /* HEADER_DES_LOCL_H */
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#endif /* PERL5 */
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#endif /* 0 */
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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 enc);
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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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void des_random_seed(des_cblock key);
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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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int des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
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des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
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int des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
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des_key_schedule schedule, des_cblock *ivec, int *num);
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void des_cblock_print_file(des_cblock *cb, FILE *fp);
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int des_new_random_key(des_cblock *key);
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void des_init_random_number_generator(des_cblock *key);
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void des_set_random_generator_seed(des_cblock *key);
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void des_set_sequence_number(des_cblock new_sequence_number);
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void des_generate_random_block(des_cblock *block);
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#else
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int des_2ecb_encrypt();
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int des_3ecb_encrypt();
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unsigned long des_cbc_cksum();
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int des_cbc_encrypt();
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int des_ncbc_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_encrypt2();
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int des_ede3_cbc_encrypt();
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int des_ede2_cbc_encrypt();
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int des_enc_read();
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int des_enc_write();
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#ifdef PERL5
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char *des_crypt();
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#else
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char *crypt();
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#endif
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int des_ofb_encrypt();
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int des_pcbc_encrypt();
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unsigned long des_quad_cksum();
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void des_random_seed();
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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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void des_set_odd_parity();
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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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int des_cfb64_encrypt();
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int des_ofb64_encrypt();
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void des_cblock_print_file();
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int des_new_random_key();
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void des_init_random_number_generator();
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void des_set_random_generator_seed();
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void des_set_sequence_number();
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void des_generate_random_block();
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#endif
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#endif
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