| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * UFC-crypt: ultra fast crypt(3) implementation |
| 3 | * |
| 4 | * Copyright (C) 1991-2015 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 | * <http://www.gnu.org/licenses/>. |
| 19 | * |
| 20 | * @(#)crypt.h 1.5 12/20/96 |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef _CRYPT_H |
| 25 | #define _CRYPT_H 1 |
| 26 | |
| 27 | #include <features.h> |
| 28 | |
| 29 | __BEGIN_DECLS |
| 30 | |
| 31 | /* Encrypt at most 8 characters from KEY using salt to perturb DES. */ |
| 32 | extern char *crypt (const char *__key, const char *__salt) |
| 33 | __THROW __nonnull ((1, 2)); |
| 34 | |
| 35 | /* Setup DES tables according KEY. */ |
| 36 | extern void setkey (const char *__key) __THROW __nonnull ((1)); |
| 37 | |
| 38 | /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt |
| 39 | block in place. */ |
| 40 | extern void encrypt (char *__glibc_block, int __edflag) |
| 41 | __THROW __nonnull ((1)); |
| 42 | |
| 43 | #ifdef __USE_GNU |
| 44 | /* Reentrant versions of the functions above. The additional argument |
| 45 | points to a structure where the results are placed in. */ |
| 46 | struct crypt_data |
| 47 | { |
| 48 | char keysched[16 * 8]; |
| 49 | char sb0[32768]; |
| 50 | char sb1[32768]; |
| 51 | char sb2[32768]; |
| 52 | char sb3[32768]; |
| 53 | /* end-of-aligment-critical-data */ |
| 54 | char crypt_3_buf[14]; |
| 55 | char current_salt[2]; |
| 56 | long int current_saltbits; |
| 57 | int direction, initialized; |
| 58 | }; |
| 59 | |
| 60 | extern char *crypt_r (const char *__key, const char *__salt, |
| 61 | struct crypt_data * __restrict __data) |
| 62 | __THROW __nonnull ((1, 2, 3)); |
| 63 | |
| 64 | extern void setkey_r (const char *__key, |
| 65 | struct crypt_data * __restrict __data) |
| 66 | __THROW __nonnull ((1, 2)); |
| 67 | |
| 68 | extern void encrypt_r (char *__glibc_block, int __edflag, |
| 69 | struct crypt_data * __restrict __data) |
| 70 | __THROW __nonnull ((1, 3)); |
| 71 | #endif |
| 72 | |
| 73 | __END_DECLS |
| 74 | |
| 75 | #endif /* crypt.h */ |