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You are here: manpages





XCRYPT

Section: Linux Programmer's Manual (3)
Updated: 2014-08-19
Index Return to Main Contents
 

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 function 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 functions are available in glibc since version 2.1.  

BUGS

The prototypes are missing from the abovementioned include file.  

SEE ALSO

cbc_crypt(3)  

COLOPHON

This page is part of release 3.81 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
VERSIONS
BUGS
SEE ALSO
COLOPHON


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