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Full Discussion: Password hiding in UNIX
Top Forums Shell Programming and Scripting Password hiding in UNIX Post 302863451 by sathyaonnuix on Monday 14th of October 2013 09:22:54 AM
Old 10-14-2013
1. If you are a root and you trying to hide the password from other users, give 400 permission to that flat file.
2. If you have a DB available, create a table and store the password into it rather having that in a flat file.
3. Try your own encoding algorithm something like this. convert your passwd into some code, store it and decode with your logic again.
Code:
echo '73 61 74 68 79 61' |  perl -nE 'say map(chr, map { hex } split)'
sathya

 
Test Your Knowledge in Computers #791
Difficulty: Easy
Logic gates cannot be used to store data.
True or False?

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PASSWD(1)							      OpenSSL								 PASSWD(1)

NAME
passwd - compute password hashes SYNOPSIS
openssl passwd [-crypt] [-1] [-apr1] [-salt string] [-in file] [-stdin] [-noverify] [-quiet] [-table] {password} DESCRIPTION
The passwd command computes the hash of a password typed at run-time or the hash of each password in a list. The password list is taken from the named file for option -in file, from stdin for option -stdin, or from the command line, or from the terminal otherwise. The Unix standard algorithm crypt and the MD5-based BSD password algorithm 1 and its Apache variant apr1 are available. OPTIONS
-crypt Use the crypt algorithm (default). -1 Use the MD5 based BSD password algorithm 1. -apr1 Use the apr1 algorithm (Apache variant of the BSD algorithm). -salt string Use the specified salt. When reading a password from the terminal, this implies -noverify. -in file Read passwords from file. -stdin Read passwords from stdin. -noverify Don't verify when reading a password from the terminal. -quiet Don't output warnings when passwords given at the command line are truncated. -table In the output list, prepend the cleartext password and a TAB character to each password hash. EXAMPLES
openssl passwd -crypt -salt xx password prints xxj31ZMTZzkVA. openssl passwd -1 -salt xxxxxxxx password prints $1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.. openssl passwd -apr1 -salt xxxxxxxx password prints $apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0. 1.0.1e 2013-02-11 PASSWD(1)

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