Hi there!
I have system Glibc 2.2.2 with fully integrated crypt_blowfish() in it but
check for Blowfish in ext/standard/config.m4 does not work (it doesn't
detect blowfish on system).
Wouldn't be better to extend this test to actually find blowfish-related
functions in /usr/include/crypt.h in case when sample program using
crypt(3) failed? For example, /usr/include/crypt.h on my system looks as
following one and also libcrypt library contains __crypt_blowfish_rn()
function:
/*
* UFC-crypt: ultra fast crypt(3) implementation
* md5-crypt: one way encryption based on MD5 sum
* blowfish-crypt: compatible with OpenBSD bcrypt (version 2a)
*
* Copyright (C) 1991, 92, 93, 96, 97, 98, 2000, 2001 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the GNU C Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* @(#)crypt.h 1.5 12/20/96
*
*/
#ifndef _CRYPT_H
#define _CRYPT_H 1
#include <features.h>
__BEGIN_DECLS
/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
extern char *crypt (__const char *__key, __const char *__salt) __THROW;
/* Setup DES tables according KEY. */
extern void setkey (__const char *__key) __THROW;
/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
block in place. */
extern void encrypt (char *__block, int __edflag) __THROW;
#ifdef __USE_GNU
/* Reentrant versions of the functions above. The additional argument
points to a structure where the results are placed in. */
struct crypt_data
{
char keysched[16 * 8];
char sb0[32768];
char sb1[32768];
char sb2[32768];
char sb3[32768];
/* end-of-aligment-critical-data */
char crypt_3_buf[14];
char current_salt[2];
long int current_saltbits;
int direction, initialized;
};
/* Encrypt characters from KEY using salt to initialize encryption algorithm.
It's same function as crypt but another call entry. */
extern char *fcrypt (__const char *__key, __const char *__salt) __THROW;
/* Encrypt characters from KEY using salt to initialize encryption algorithm.
It's same function as crypt but another call entry. */
extern char *libc_crypt (__const char *__key, __const char *__salt) __THROW;
extern char *crypt_r (__const char *__key, __const char *__salt,
struct crypt_data * __restrict __data) __THROW;
extern void setkey_r (__const char *__key,
struct crypt_data * __restrict __data) __THROW;
extern void encrypt_r (char *__block, int __edflag,
struct crypt_data * __restrict __data) __THROW;
extern char *crypt_rn (__const char *__key, __const char *__salt,
void *__data, int __size) __THROW;
extern char *crypt_ufc (__const char *__key, __const char *__salt) __THROW;
extern char *crypt_ufc_r (__const char *__key, __const char *__salt,
struct crypt_data * __restrict __data) __THROW;
extern char *crypt_md5 (__const char *__key, __const char *__salt);
extern char *crypt_md5_rn (__const char *__key, __const char *__salt, char *__output,
int __size) __THROW;
extern char *crypt_blowfish_rn(__const char *__key, __const char *__salt, char
*__output, int __size) __THROW;
extern char *crypt_gensalt (__const char *__prefix, unsigned long __count,
__const char *__input, int __size) __THROW;
extern char *crypt_gensalt_rn (__const char *__prefix, unsigned long __count,
__const char *__input, int __isize, char *__output, int __osize) __THROW;
extern char *crypt_gensalt_traditional_rn(unsigned long __count,
__const char *__input, int __isize, char *__output, int __osize) __THROW;
extern char *crypt_gensalt_extended_rn(unsigned long __count,
__const char *__input, int __isize, char *__output, int __osize) __THROW;
extern char *crypt_gensalt_md5_rn(unsigned long __count,
__const char *__input, int __isize, char *__output, int __osize) __THROW;
extern char *crypt_gensalt_blowfish_rn(unsigned long __count,
__const char *__input, int __isize, char *__output, int __osize) __THROW;
#endif
__END_DECLS
#endif /* crypt.h */
--
Sincerely yours, Alexander Bokovoy
The Midgard Project | www.midgard-project.org | ALT Linux Team
Minsk Linux Users Group | www.minsk-lug.net | www.altlinux.ru
-- If you don't do the things that are not worth doing, who will?
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