DES and Crypt functions in Linux RedHat

 
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Operating Systems Linux Red Hat DES and Crypt functions in Linux RedHat
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Old 08-07-2009
DES and Crypt functions in Linux RedHat

Hi

I wish to encrypt some files in Linux Redhat server using DES and Encrpt functions but I am not able to find such fncs in Linux.

Please help.
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KEY_SETSECRET(3)					     Linux Programmer's Manual						  KEY_SETSECRET(3)

NAME
key_decryptsession, key_encryptsession, key_setsecret, key_gendes, key_secretkey_is_set - interfaces to rpc keyserver daemon SYNOPSIS
#include <rpc/rpc.h> int key_decryptsession(const char *remotename, des_block *deskey); int key_encryptsession(const char *remotename, des_block *deskey); int key_gendes(des_block *deskey); int key_setsecret(const char *key); int key_secretkey_is_set(void); DESCRIPTION
The functions here are used within the RPC's secure authentication mechanism (AUTH_DES). There should be no need for user programs to use this functions. The function key_decryptsession() uses the (remote) server netname and takes the DES key for decrypting. It uses the public key of the server and the secret key associated with the effective UID of the calling process. The function key_encryptsession() is the inverse of key_decryptsession(). It encrypts the DES keys with the public key of the server and the secret key associated with the effective UID of the calling process. The function key_gendes() is used to ask the keyserver for a secure conversation key. The function key_setsecret() is used to set the key for the effective UID of the calling process. The function key_secretkey_is_set() can be used to determine whether a key has been set for the effective UID of the calling process. RETURN VALUE
These functions return 1 on success and 0 on failure. NOTES
Note that we talk about two types of encryption here. One is asymmetric using a public and secret key. The other is symmetric, the 64-bit DES. These routines were part of the Linux/Doors-project, abandoned by now. SEE ALSO
crypt(3) COLOPHON
This page is part of release 3.44 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/. 2002-07-18 KEY_SETSECRET(3)

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