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Date: Sun, 6 Jul 2014 17:40:43 -0700
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Subject: Re: [gentoo-user] How does ssh know to use "pinentry"?
From: Chris Stankevitz <chrisstankevitz@gmail.com>
To: "gentoo-user@lists.gentoo.org" <gentoo-user@lists.gentoo.org>
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On Sun, Jul 6, 2014 at 1:32 PM, Alan McKinnon <alan.mckinnon@gmail.com> wrote:
> Why not do the obvious thing instead?
>
> Run keychain and have it unlock your keys *once* when the workstation
> boots up. ssh then always uses that key as it is unlocked.

Alan,

Thank you.  FYI, I do not have a problem typing my password 100 times
per day.  The only problem I have with "pinentry" is that it doesn't
let me paste.  Does keychain allow me to paste?  If so, I'll consider
it.  However, now that I have killed pinentry from my system I am
happily pasting my passphrase into the ssh console.

On another note, from my OP, I am still curious how the ssh software
knows to use /usr/bin/pinentry to fetch my passphrase.  In a follow-up
post, I discovered that this mechanism only works if an environment
variable called GPG_AGENT_INFO is set.  I doubt the ssh source code
contains the string "/usr/bin/pinentry" or "GPG_AGENT_INFO".

Chris