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Zip a file with password

 
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# 1  
Old 07-02-2014
Zip a file with password
Hi,

newbie to Linux,

is there another way to zip a file with a password other than using 'zip' command?
# 2  
Old 07-02-2014
I am not sure whether you can give a password to file in unix but as a work arround
you can give following permissions to a file
Code:
chmod 700 filename

So only user who have created it , can read ,write and execute that file.
For his group as well as for other users this file is unaccesable.

Regards,
M. D.
# 3  
Old 07-02-2014
I suppose you could cobble something together with the tar command and give a secret blocksize. I'm not sure how robust it would be though.

What is the requirement? Do you have a file that you need to unlock, or one you need to protect?


Robin
# 4  
Old 07-02-2014
You can use something like ccrypt to encrypt a file with a password.
# 5  
Old 07-02-2014
Quote:
Originally Posted by rbatte1
I suppose you could cobble something together with the tar command and give a secret blocksize. I'm not sure how robust it would be though.

What is the requirement? Do you have a file that you need to unlock, or one you need to protect?


Robin
I have a requirement to zip up a compressed file (yes! no joke) with a password & send it thru the network .. not sure if I can do it ..

---------- Post updated at 08:47 PM ---------- Previous update was at 08:47 PM ----------

Quote:
Originally Posted by Makarand Dodmis
I am not sure whether you can give a password to file in unix but as a work arround
you can give following permissions to a file
Code:
chmod 700 filename

So only user who have created it , can read ,write and execute that file.
For his group as well as for other users this file is unaccesable.

Regards,
M. D.
that will not help .. thanx
# 6  
Old 07-02-2014
Quote:
Originally Posted by mined
I have a requirement to zip up a compressed file (yes! no joke) with a password & send it thru the network .. not sure if I can do it ..
It probably makes not too much sense zipping it again, but you could use

Code:
openssl enc

to encode the file with some cipher. The resulting key would serve as a password then. If it should indeed be compressed a second time just send it through gzip before. If your gzip refuses to cooperate (i could sympathize) use a stream:

Code:
cat file.gz | gzip > outfile.gz.gz

I hope this helps.

bakunin
These 2 Users Gave Thanks to bakunin For This Post:
mined rbatte1
# 7  
Old 07-03-2014
the stream method works .. many thanx
 
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