Automate Crypt command

[Chris Campbell 77]

Is it possible to automate the crypt command?
Basically I have a tar file that I want to encrypt before it is FTP to another machine.

[James R. Ferguson · Accepted solution]

Hi Chris:

# echo "hello Chris" > myfile
# crypt jrfkey < myfile > myfile.enc

# cat myfile.enc
[...jibberish...]

# crypt jrfkey < myfile.enc
hello Chris

Regards!

...JRF...

[Chris Campbell 77]

Is it using a key to encrypt?

[James R. Ferguson]

Hi (again) Chris:

> Is it using a key to encrypt?

Yes, in the example I showed, the key was "jrfkey".

Regards!

...JRF...

[Chris Campbell 77]

Sorry just one more question. Is this key generated on the fly (when the command is executed) where is the key stored? or is the key somehow embedded in the encryption of the file?

I am totally new to this..

Thanks

[James R. Ferguson]

Hi (again) Chris:

> Sorry just one more question. Is this key generated on the fly (when the command is executed) where is the key stored? or is the key somehow embedded in the encryption of the file?

Isn't that two questions? :-)

The key is anything you choose to specify. It is not generated on-the-fly. Once encrypted, to read the file, you must supply (know) the key used to encrypt it.

No, the key isn't embedded in the file. The manpages for 'crypt(1)' offer more insight, and you should read them.

Regards!

...JRF...

[James R. Ferguson]

Hi (again):

By the way, if/when you are satisfied with the answers you have received, please read:

http://forums.itrc.hp.com/service/forums/helptips.do?#28

Regards!

...JRF...

[Chris Campbell 77]

James thanks for your help. I just took a look at the man pages. They too were helpful.