| 1 | /* |
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| 2 | * crypt(3) implementation for uClibc |
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| 3 | * |
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| 4 | * The uClibc Library is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU Lesser General Public |
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| 6 | * License as published by the Free Software Foundation; either |
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| 7 | * version 2.1 of the License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with the GNU C Library; if not, write to the Free |
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| 16 | * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 17 | * 02111-1307 USA. |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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| 21 | #ifndef _CRYPT_H |
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| 22 | #define _CRYPT_H 1 |
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| 23 | |
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| 24 | #include <features.h> |
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| 25 | |
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| 26 | __BEGIN_DECLS |
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| 27 | |
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| 28 | /* Encrypt characters from KEY using salt to perturb the encryption method. |
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| 29 | * If salt begins with "$1$", MD5 hashing is used instead of DES. */ |
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| 30 | extern char *crypt (const char *__key, const char *__salt); |
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| 31 | |
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| 32 | /* Setup DES tables according KEY. */ |
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| 33 | extern void setkey (const char *__key); |
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| 34 | |
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| 35 | /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt |
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| 36 | block in place. */ |
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| 37 | extern void encrypt (char *__block, int __edflag); |
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| 38 | |
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| 39 | __END_DECLS |
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| 40 | |
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| 41 | #endif /* crypt.h */ |
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