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Top Forums Shell Programming and Scripting How Do I Hide the Password in a Script Post 302097115 by blowtorch on Tuesday 21st of November 2006 07:09:46 PM
Old 11-21-2006
If the become command just reads from stdin, then all you have to do is something like this:

Code:
crypt key < /path/to/file/with/encrypted_passwd | become username

But if the become command is going to behave like passwd does, then I don't think it will be possible.
 

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PASSWD(1)							      OpenSSL								 PASSWD(1)

NAME
passwd - compute password hashes LIBRARY
libcrypto, -lcrypto 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. 1.0.1i 2009-07-20 PASSWD(1)
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