Linux cli command xdecrypt

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command xdecrypt and provides detailed information about the command xdecrypt, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the xdecrypt.

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NAME 🖥️ xdecrypt 🖥️

RFS password encryption

LIBRARY

Standard C library (libc, -lc)

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

WARNING: Do not use these functions in new code. They do not achieve any type of acceptable cryptographic security guarantees.

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.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

InterfaceAttributeValue

passwd2des(), xencrypt(), xdecrypt()

Thread safetyMT-Safe

VERSIONS

These functions are available since glibc 2.1.

BUGS

The prototypes are missing from the abovementioned include file.

SEE ALSO

cbc_crypt(3)

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