security - Hide/encrypt password in bash file to stop accidentally seeing it -

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sorry if has been asked before, did check couldn't find anything...

is there function in unix encrypt and decrypt password in batch file can pipe other commands in bash file?

i realise doing provides no real security, more stop accidentally seeing password if looking @ script on shoulder :)

i'm running on red hat 5.3.

i have script similar this:

servercontrol.sh -u admin -p mypassword -c shutdown

and this:

password = decrypt("fgsfkageaivgea", "adecryptionkey") servercontrol.sh -u admin -p $password -c shutdown

this doesn't protect password in way, stop accidentally seeing on shoulder.

openssl provides passwd command can encrypt doesn't decrypt hashes. download aesutil can use capable , well-known symmetric encryption routine.

for example:

#!/bin/sh     # using aesutil salt=$(mkrand 15) # mkrand generates 15-character random passwd myencpass="i/b9pkcpqapy7bzh2jlqhvojc2mntbm=" # echo "passwd" | aes -e -b -b -p $salt  mypass=$(echo "$myencpass" | aes -d -b -p $salt)  # , usage servercontrol.sh -u admin -p $mypass -c shutdown

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