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Linux 2.6 - man page for xcrypt (linux section 3)

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XCRYPT(3)			    Linux Programmer's Manual				XCRYPT(3)

NAME
       xencrypt, xdecrypt, passwd2des - RFS password encryption

SYNOPSIS
       #include <rpc/des_crypt.h>

       void passwd2des(char *passwd, char *key);

       int xencrypt(char *secret, char *passwd);

       int xdecrypt(char *secret, char *passwd);

DESCRIPTION
       The  function passwd2des() takes a character string passwd of arbitrary length and fills a
       character array key of length 8.  The array key is suitable for use as DES  key.   It  has
       odd  parity set in bit 0 of each byte.  Both other functions described here use this func-
       tion to turn their argument passwd into a DES key.

       The xencrypt() function takes the ASCII character string secret given in hex,  which  must
       have  a length that is a multiple of 16, encrypts it using the DES key derived from passwd
       by passwd2des(), and outputs the result again in secret	as  a  hex  string  of	the  same
       length.

       The xdecrypt() function performs the converse operation.

RETURN VALUE
       The functions xencrypt() and xdecrypt() return 1 on success and 0 on error.

VERSIONS
       These routines are present in libc 4.6.27 and later, and in glibc 2.1 and later.

BUGS
       The prototypes are missing from the abovementioned include file.

SEE ALSO
       cbc_crypt(3)

COLOPHON
       This  page  is  part of release 3.55 of the Linux man-pages project.  A description of the
       project,    and	  information	 about	  reporting    bugs,	can    be    found     at
       http://www.kernel.org/doc/man-pages/.

					    2003-04-04					XCRYPT(3)
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