1 /*
2  * UFC-crypt: ultra fast crypt(3) implementation
3  *
4  * Copyright (C) 1991-2022 Free Software Foundation, Inc.
5  *
6  * The GNU C Library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * The GNU C Library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with the GNU C Library; if not, see
18  * <https://www.gnu.org/licenses/>.
19  *
20  * @(#)crypt-private.h	1.4 12/20/96
21  */
22 
23 /* Prototypes for local functions in libcrypt.a.  */
24 
25 #ifndef CRYPT_PRIVATE_H
26 #define CRYPT_PRIVATE_H	1
27 
28 #include <features.h>
29 #include <stdbool.h>
30 
31 #ifndef DOS
32 #include "ufc-crypt.h"
33 #else
34 /*
35  * Thanks to greg%wind@plains.NoDak.edu (Greg W. Wettstein)
36  * for DOS patches
37  */
38 #include "pl.h"
39 #include "ufc.h"
40 #endif
41 #include "crypt.h"
42 
43 /* crypt.c */
44 extern void _ufc_doit_r (ufc_long itr, struct crypt_data * __restrict __data,
45 			 ufc_long *res);
46 
47 
48 /* crypt_util.c */
49 extern void __init_des_r (struct crypt_data * __restrict __data);
50 extern void __init_des (void);
51 
52 extern bool _ufc_setup_salt_r (const char *s,
53 			       struct crypt_data * __restrict __data);
54 extern void _ufc_mk_keytab_r (const char *key,
55 			      struct crypt_data * __restrict __data);
56 extern void _ufc_dofinalperm_r (ufc_long *res,
57 				struct crypt_data * __restrict __data);
58 extern void _ufc_output_conversion_r (ufc_long v1, ufc_long v2,
59 				      const char *salt,
60 				      struct crypt_data * __restrict __data);
61 
62 extern void __setkey_r (const char *__key,
63 			     struct crypt_data * __restrict __data);
64 extern void __encrypt_r (char * __restrict __block, int __edflag,
65 			      struct crypt_data * __restrict __data);
66 
67 /* crypt-entry.c */
68 extern char *__crypt_r (const char *__key, const char *__salt,
69 			     struct crypt_data * __restrict __data);
70 extern char *fcrypt (const char *key, const char *salt);
71 
72 extern void __b64_from_24bit (char **cp, int *buflen,
73 			      unsigned int b2, unsigned int b1, unsigned int b0,
74 			      int n);
75 
76 #endif  /* crypt-private.h */
77