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76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
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* UFC-crypt: ultra fast crypt(3) implementation
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*
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* Copyright (C) 1991-2014 Free Software Foundation, Inc.
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*
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* The GNU C Library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* The GNU C Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the GNU C Library; if not, see
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* <http://www.gnu.org/licenses/>.
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*
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* @(#)crypt.h 1.5 12/20/96
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*
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*/
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#ifndef _CRYPT_H
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#define _CRYPT_H 1
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#include <features.h>
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__BEGIN_DECLS
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/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
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extern char *crypt (const char *__key, const char *__salt)
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__THROW __nonnull ((1, 2));
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/* Setup DES tables according KEY. */
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extern void setkey (const char *__key) __THROW __nonnull ((1));
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/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
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block in place. */
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extern void encrypt (char *__glibc_block, int __edflag)
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__THROW __nonnull ((1));
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#ifdef __USE_GNU
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/* Reentrant versions of the functions above. The additional argument
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points to a structure where the results are placed in. */
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struct crypt_data
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{
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char keysched[16 * 8];
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char sb0[32768];
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char sb1[32768];
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char sb2[32768];
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char sb3[32768];
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/* end-of-aligment-critical-data */
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char crypt_3_buf[14];
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char current_salt[2];
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long int current_saltbits;
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int direction, initialized;
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};
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extern char *crypt_r (const char *__key, const char *__salt,
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struct crypt_data * __restrict __data)
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__THROW __nonnull ((1, 2, 3));
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extern void setkey_r (const char *__key,
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struct crypt_data * __restrict __data)
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__THROW __nonnull ((1, 2));
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extern void encrypt_r (char *__glibc_block, int __edflag,
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struct crypt_data * __restrict __data)
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__THROW __nonnull ((1, 3));
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#endif
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__END_DECLS
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#endif /* crypt.h */
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