Use of --passphrase-file

Brian Minton brian at
Thu Feb 18 23:09:49 CET 2016

A pretty good option is to use gpg-agent. It can keep your passphrase
/secret key in (secure) memory for a few minutes so you can use the key in
scripted tasks.

On Thu, Feb 18, 2016, 4:24 PM Harman, Michael <Michael.Harman at>

> I am attempting to automate a process that decrypts files. The files are
> encrypted with my key which has a passphrase. I have determined I can use
> the “--passphrase-file” option to get the passphrase of my key. In the gpg
> documentation at
> under “--passphrase-file file” it says “Don't use this option if you can
> avoid it”, but I can’t find any alternative solution in the documentation.
> I found one blog that says to just remove the passphrase, however I’d like
> to preserve the passphrase. Do you have any recommendations where I can
> have a passphrase but still use it in an unattended fashion that is secure?
> *Michael W. Harman, MIT* | Senior Application Architect, Information
> Services | *UHS* of Delaware, Inc. | a subsidiary of Universal Health
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