/* * crypt(3) implementation for uClibc * * The uClibc Library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * The GNU C Library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the GNU C Library; if not, write to the Free * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA. * */ #ifndef _CRYPT_H #define _CRYPT_H 1 #include <features.h> __BEGIN_DECLS /* Encrypt characters from KEY using salt to perturb the encryption method. * If salt begins with "$1$", md5 hashing is used instead of DES. */ extern char *crypt (const char *__key, const char *__salt); /* Setup DES tables according KEY. */ extern void setkey (const char *__key); /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt block in place. */ extern void encrypt (char *__block, int __edflag); /* Reentrant versions of the functions above. The additional argument points to a structure where the results are placed in. */ struct block { unsigned char b_data[64]; }; struct ordering { unsigned char o_data[64]; }; struct crypt_data { /* Stuff used by the des based routines */ struct block key; const struct ordering *EP; /* Stuff used by the md5 based routines */ char *p; const char *sp,*ep; }; extern char *crypt_r (const char *__key, const char *__salt, struct crypt_data * __data); extern void setkey_r (const char *__key, struct crypt_data * __data); extern void encrypt_r (char *__block, int __edflag, struct crypt_data * __data); __END_DECLS #endif /* crypt.h */